Significant Installations

Significant Installations

Over the past twenty years, Hoffland Environmental, Inc. (HEI) has designed, manufactured and installed over 600 industrial wastewater treatment facilities.   Following is a listing of the larger more sophisticated systems.  A complete customer list is available.  This itemization details the customer, contract dollar amount, type of unit, class of industry and a brief list of the components included in the system.  Should you require additional data on any of the installations please feel free to call a company representative.

American Airlines

Alliance Field

Ft. Worth, TX

General Contractor:

Harrison, Walker & Harper

Haslet, TX 76052

Phone: 817-540-4611

Size: $4,600,000.00

Type: Wastewater treatment system for an aircraft overhaul facility.

Industry: Aircraft Overhaul

Plant Manager: Bud Chaffin,

Phone: 817-24-0365

Plant Superintendent: Anthony Koskol, Phone: 817-224-0363

Project Engineer: Jim Brush, Darryl Knowles

Project Completed: December 1991

Bonded by treasury rated surety (payment and performance). 2,000 gpm turn-key wastewater treatment project for engineering, manufacturing and project supervision.  HEI designed and manufactured the following:

1. Two (2) HEI 500 gpm high rate inclined plate clarifiers

2. Two (2) 500 gpm sand filters

3. Four (4) HEI sludge thickeners

4. 16 additional tanks

5. Work platforms & catwalks

6. Two (2) HEI 1,200 gpm oil water separators

7. One (1) VOC air stripper

8. One (1) VOC carbon adsorption unit

9. One (1) aquifer granular activate carbon adsorption system

10. Two (2) 1,600 gpm dissolved air flotation systems

11. Two (2) 500 gpm chromate reduction systems

12. One (1) automatic deoiling system

13. One (1) automatic lime system

14. Two (2) automatic batch treatment systems

15. 76 @ pump systems of varying sizes

16. One (1) computerized central control system to interface with all instruments and automatically control all pumps and mixers, etc.  SCADA control.

The system is fully automatic and controlled by one central computer with colorgraphic presentation of all process parameters, instrument alarms, pumps, mixer and related equipment.

This is the largest totally integrated system HEI has manufactured. It is indicative of HEI’s current capability and an indication of the future market.

Sara Lee Products

1000 East Hanes Mill Road

Winston Salem, NC 27105

Phone: 910-519-5610

Size: Three (3) Systems

Type: Ponce, PR – 600 gpm continuous flow; Winston Salem, NC – 300 gpm continuous flow; Ashbrook, NC – Batch unit.

Industry: Textile Dye Removal

Project Engineer: Don Brown

Project Completion: 1996

HEI supplied three systems for the physical/chemical separation of textile dye waste. HEI designed, manufactured and installed the following:

1. Lift station

2. HEI two stage chemical conditioning

3. HEI 2000/60/MC clarifier

4. HEI 12 x 24 sludge thickener

5. HEI D-100 filter press on an elevated stand

6. SCADA control system, with monitoring from HEI’s Conroe computer center

Western Lithotech

2034 N. Jackson

Jacksonville, TX

Phone: 903-586-9866

Size: $1,673,540.00

Type: Turn-key 600 gpm wastewater treatment system.

Industry: Aluminum Anodizing

Project Engineer: Steven Giesler

Project Completion: July 1996

Bonded by Treasury Rated Surety (payment and performance). 600 gpm turn-key wastewater treatment project for engineering, manufacturing and project supervision. HEI designed and manufactured the following:

1. Three (3) 25,000 equalization tanks

2. One (1) HEI 500 gpm high rate inclined plate clarifier (low density (LD) system)

3. One (1) HEI 100 gpm high rate inclined plate clarifier (high density (HD) system)

4. One (1) 500 gpm two stage neutralization system (LD)

5. One (1) 100 gpm two stage neutralization system (HD)

6. One (1) 500 gpm continuous cleaning sand filter (LD)

7. One (1) 100 gpm continuous cleaning sand filter (HD)

8. One (1) sludge thickener

9. One (1) continuous belt filter press

10. One (1) effluent monitoring station

11. Work platforms and catwalks

12. One (1) computerized central control system to interface with all instruments and automatically control all process parameters

13. 80’ x 100’ insulated building with 16’ x 30’ office/lab/control room

Naval Ordnance

Louisville, KY

General Contractor:

Hensel Phelps

Louisville, KY

Phone: 502-363-5458

Size: $3,460,000.00

Type: New electroplating treatment system.

Industry: Ordnance, Military

Project Adm.: Tom Crane

Project Engineer: Randy Niece

Project Completed: September 1991

HEI provided four major sections of this project:

1. Electroplating tanks and related equipment

2. Wastewater treatment equipment, 200 gpm

3. Control & instrumentation for the electroplating facility – SCADA control

4. Control & instrumentation for the wastewater treatment facility – SCADA control

Bonded Project. HEI supplied 182 various electroplating tanks and equipment – including, stainless steel tank, PVC lined tank, PVDF lined tanks and PP lined tanks.

The contract and instrumentation system is the brain of the project. Twelve individual stand-alone computers are connected through a data highway system to a central unit with monitoring and programming capability. A colorgraphic monitor provides a colorgraphic presentation of all process parameters.

Bell Helicopter

Hwy. 360 & Avenue K.

Grand Prairie, TX

Phone: 817-280-8925

Size: $980,000.00

Type: Chromate reduction, toxic metals removal

.Industry: Aircraft Manufacturing

Project Engineer: Jim Brush

Project Completed: September 1996

Turn-key wastewater treatment system to reduce chromate, remove toxic metals and suspended solids from aircraft manufacturing effluent. HEI designed and manufactured the following:

1. Collection equalization tank

2. Transfer and recirculation pumps

3. 160 gpm chromate reduction

4. HEI 1000/60/MC inclined plate clarifier

5. Two (2) 20 sq. ft. gravity flow sand filters

6. HEI Fifty (50) cu. ft. filter press on a stand

7. Integrated catwalk

8. SCADA control with “Wonderware” MMI screen interactive control

Summitville Consolidated Mining

P. O. Box 2G

Del Norte, CO

Phone: 719-657-2741

Size: $960,000.00

Type: 350 gpm cyanide oxidation and toxic metal removal system.

Industry: Metal Refining, Gold Processing

Project Adm.: Tom Chisolm

Project Engineer: Jeff Clark

Project Completed: April 1989

Turn-key project for cyanide oxidation of spent gold leaching liquor, using gaseous chlorine and precipitation of copper to .010 ppm and silver to .001 ppm with soluble sulfide. The project included six (6) HEI 12,000 gal mixed reaction tanks, two (2) 2,000 ft.2. HEI inclined plate clarifiers, 100 ft.2 automatic media filter, 32,000 gal HEI sludge thickener, HEI 100 ft.3 filter press and automatic process & control instrumentation system.
E-Systems

Majors Field

F.M. 1570

Greenville, TX

Phone: 214-455-3450

Size: $780,000.00

Type: South pre-treatment facility, 120 gpm, chromate reduction/chelation system.

Industry: Military, Aircraft Overhaul

Project Adm.: Randy Green

Project Engineer: Daryl Knowles, Jim Bush

Project Completed: November 1996

Turn-key project involving an HEI 120 gpm wastewater treatment system for chromate and chelating compounds, concrete pad, building, piping, collection system, and 100,000 gallon equalization & storage tankage. Hoffland Environmental was given Contractor of the month award.
E-Systems

Majors Field

F.M. 1570

Greenville, TX

Phone: 214-455-3450

Size: $320,000.00

Type: North pre-treatment facility, 120 gpm, chromate reduction.

Industry: Military, Aircraft Overhaul

Project Adm.: Jack Barnett

Project Engineer: Daryl Knowles

Project Completed: September 1987

HEI designed, fabricated and installed an industrial wastewater treatment plant to reduce chromate and remove phenols, chlorinated hydrocarbons and heavy metal components. The system included a 100,000 gallon collection equalization tank, HEI oil water separator, chemical treatment, HEI clarifier, sand filter, sludge compaction system and sludge drying equipment.
OMC Corporation

200 Sea Horse Drive

Waukegan, IL 60085

Phone: 312-689-6200

Size: $6,200,000.00

Type: 12 plants total (avg. plant 60 gpm).

Industry: Painting, Aluminum Processing

Project Adm.: Roger Crawford

Project Engineer: Larry Keller

HEI has designed, fabricated and installed twelve (12) plants for Outboard Marine Corporation at the following locations: Milwaukee, Wisconsin; Calhoun, Georgia; Burnsville, North Carolina; Sardis, Mississippi; Lexington, Tennessee; Waukegan, Illinois; Andrews, North Carolina; two (2) Rutherfordton, North Carolina; two (2) Manawa, Wisconsin; and Juarez, Mexico. The plants treat hexavalent chromium generated as a waste product from aluminum pre-plant treatment.
Youngstown Airforce Base

3976 King Graves Road

910 AW/COER Youngstown-Warren RGL/ARPT

ARS Vienna, Ohio 44473-0910

Phone:  330-609-1786

Size: $1,297,000.00

Type: Biological oxidation, TTO removal

Industry: Aircraft Overhaul

Project Engineer: Bob Woods

Project Completion: October 1997

Turn-key wastewater treatment installation to include underground collection system with man holes and 40X60 engineered metal building, two @ 20,000 gal below grade collection, equalization tanks, liquid solid separator, treat wastewater from washing and repairing aircraft. Surety bond provided for project. HEI designed, manufactured and installed the following:

1. Collection system from seven buildings

2. Lift station 30’ deep

3. Oil water separator

4. Bio-reactor to remove soluble organic compounds

5. Dissolved air flotation

6. Sand filter

7. Carbon filter

8. Filter press

9. Sludge thickener with motorized rake

Vinnitsa Meat Packing Plant

Kirov Street 1

Vinnitsa, Ukraine 287100

Size: $960,000.00

Type: Turn-key dissolved air flotation to process 500 gpm slaughter house waste.

Industry: Slaughter House

Project Engineer: Abattoir Al Oleinik

Project Completed: 1998

HEI supplied a turn-key wastewater treatment facility with 10,000 sq. ft. pre-engineered metal building to remove fats, oil, grease, and suspended solids from 500m3/hr meat processing wastewater. HEI designed, manufactured and installed the following:

1. Lift station

2. Rotary separating screen

3. Air flotation and recovery of grease

4. Chemical conditioning

5. Two (2) dissolved air flotation units

6. Sludge thickener

7. Two (2) filter presses

White Oaks Farm

604 Benton Pond Road

Fremont, NC

Phone: 919-242-2117

Size: 3750 sows and 4000 finishing hogs

Type: Biological nitrificaiton/denitrification of waste from large scale confinement of swine (CAFO).

Industry: Swine Production

Owner: Todd Ballance

Project Completed: 1998

HEI supplied a turn-key plant to remove suspended solids and nutrients from swine wastewater. The system reduces the available nitrogen in the wastewater by 90%, reducing the land required for nutrient distribution by 90%. HEI designed, manufactured and installed the following:

1. Two (2) lift stations

2. Two (2) HEI conveyorized screen separators

3. Two (2) HEI custom designed clarifiers

4. Converted a anaerobic lagoon into an aerobic treatment plant with blowers and aeration systems.

Natalie Knitting

P. O. Box 722

Hwy 11 East

Chilhowie, VA 24319

Phone: 703-646-8941

Size: $430,000.00

Type: 125 gpm industrial wastewater pre-treatment facility.

Industry: Textile

Project Engineer: Mike Ketner

Project Completion: December 1994

Turn-key wastewater treatment system to remove reactive dye. HEI designed, manufactured and installed the following:

1. Lift station

2. Equalization tanks – (3) 20,000 gallon FRP with secondary containment

3. Clarifier with motorized rake

4. Pressurized sand filter

5. Reaction tanks

6. Filter press

7. Sludge thickener with motorized rake

Moscow Cosmetic Factory

Moscow, Russia

Size: $263,000.00

Type: Turn-key dissolved air flotation system to treat 100 gpm.

Industry: Cosmetic

Project Engineer: Yuriy Golubkov

Project Completed: March 1998

Design, manufacture and install a turn-key dissolved air flotation system to remove oil, grease and suspended solids from 50m3/hr cosmetic manufacturing wastewater. HEI designed, manufactured and installed the following:

1. Lift station

2. Oil water separator

3. Chemical treatment

4. Dissolved air flotation

5. Sludge thickener with heavy duty motorized rake

6. Filter press

Morton International

100 North Riverside Plaza

Chicago, IL 60606-1598

Facility:

Morton International

Goose Farm Site

RR2, Box 154

Cream Ridge, NJ 08266

Size: $138,070.00

Type: Turn-key groundwater remediation facility.

Industry: Chemical Manufacturing

Project Engineer: Pravin Mehta

Phone: 312-807-3284

Project Completion: October 1994

HEI supplied a turn-key groundwater remediation facility to remove soluble ferrous iron from the ground water before air stripping. The system included an equalization tank, chemical treatment, clarification, sludge thickener and filter press mounted on an elevated stand.
Moscow Lubrication Plant

Russian Federation

Rostokino Street

Moscow, 199002

Phone: 095-187-81-81

Size: $286,000.00

Type: Dissolved air flotation system

Industry: Lubrication Oil

Project Engineer: Urie Mirouov

Project Completion: April 1995

HEI with its subsidiary AETE, manufactured and installed a turn-key system to remove oil and suspended solids from 50 cubic meters per hour lubrication oil refinery wastewater. HEI designed, manufactured and installed the following:

1. Lift station

2. Chemical conditioning

3. HEI 20’ DAF

4. HEI 50 sq. ft. gravity flow sand filter

5. HEI 10’ x 12’ sludge thickener

6. HEI B-10 filter press

Mary Kay Cosmetics

1330 Regal Row

Dallas, TX 75247

Phone:  214-905-6322

Size: $148,000.00

Type: Turn-key dissolved air flotation to process 75 gpm cosmetic waste.

Industry: Cosmetic

Project Engineer: Walt Bechtol

Project Completed: December 1996

Turn-key wastewater system to remove cosmetic waste, oil, grease and suspended solids. HEI designed, manufactured and installed the following:

1. Lift station

2. Oil water separator

3. Dissolved air flotation

4. Sludge thickener

5. Filter press

Astrakhangasrom

Astrakhan, Russia

Phone:  011-095-165-02-65

Size: $4,600,000.00

Type: Turn-key dissolved air flotation system to remove oil and grease and suspended solids from 650 gpm.

Industry: Oil & Gas Refining

Project Engineer: Nikolay Kulikov

Project Completed: 1999

HEI supplied a turn-key facility including pre-engineered metal building and dual dissolved air flotation units to remove hydrocarbons and suspended solids from 650 gpm of process water and storm water. HEI designed, manufactured and installed the following:

1. Dual lift station

2. Two (2) HEI rotary screen separators

3. Two (2) HEI corrugated plate oil water separators

4. Two (2) chemical conditioning systems

5. Two (2) HEI dissolved air flotation units

6. Two (2) HEI gravity flow sand filters

7. Two (2) sludge thickeners

8. Two (2) HEI high pressure filter presses

Meredell Farm, Inc.

4656 Ramseur Julian Road

Liberty, NC 27298

Phone:  336-622-2428

Size: 2000 head dairy

Type: Biological nitrification/denitrification of waste from large scale confinement of dairy animals (CAFO).

Industry: Dairy Production

Project Engineer: David Meredith

Project Completed: 1998

HEI supplied a turn-key facility to remove suspended solids and nitrogen from dairy wastewater. The nitrogen was reduced by 90% and therefore the land required to disperse was also reduced by 90%. HEI designed, manufactured and installed the following:

1. Lift station

2. HEI conveyorized screen separator

3. Aeration systems to convert the anaerobic lagoon into an aerobic treatment system.

Kwik Set Lock

500 Industrial Road South

Bristow, OK

Phone:  918-367-5511

Size: $840,000.00

Type: 500 gpm metal finishing wastewater.

Industry: Metal Finishing

Project Engineer: Tom Schmidt

Project Completed: 1995

HEI supplied a turn-key wastewater treatment system for cyanide oxidation, chromate reduction, oil water separation, suspended solids removal, final filtration and sludge dryer. HEI designed, manufactured and installed the following:

1. Lift station

2. Chromate reduction

3. Cyanide oxidation

4. Chemical conditioning

5. HEI 500 gpm clarifier with motorized rake

6. Automatic backflushing sand filter

7. HEI sludge thickener

8. HEI filter press

9. HEI 16 cu. ft./hr. sludge dryer

Rock Island Arsenal

Rock Island, IL

Phone:

Size: $420,000.00

Type: Metal Finishing

Industry: Chromate Reduction, Heavy Metal Removal

Project Engineer: Suzanne Kotrodemos

Project Completed: December 1992

HEI supplied a turn-key wastewater treatment system to reduce chromate and separate suspended solids from 100 gpm metal finishing wastewater. HEI designed, manufactured and installed the following:

1. Lift station

2. Chromate reduction

3. Chemical conditioning

4. HEI 440 inclined plate clarifier with sludge rake

5. Sludge thickener with sludge rake

6. HEI filter press

7. SCADA control system

McDonnell Douglas

Long Beach, CA

General Contractor:

MACCO Phone:  213-630-5801

Size: $480,000.00

Type: 120 gpm chromate reduction wastewater treatment system.

Industry: Aircraft Manufacturer

Project Engineer: John Andressen

Project Completed: 1988

HEI supplied a turn-key wastewater treatment system to reduce chromate, remove ferrous cyanide and remove heavy metals from paint conversion coating wastewater. HEI designed, manufactured and installed the following:

1. Lift station

2. Chromate reduction

3. Chemical conditioning

4. HEI 440/60/MC inclined plate clarifier with motorized rake

5. Continuous backflush sand filter

6. HEI sludge thickener

7. HEI B-10 filter press

Lockheed

1011 Lockheed Way

Palmdale, CA 93550

General Contractor:

W. E. O’Neil Construction Co.

5245 Pacific Concourse Drive Suite 260

Los Angeles, CA 90045

Size: $2,800,000.00

Type: Complete turn-key anodizing facility for aircraft components. Closed loop, zero liquid discharge WWTS.

Industry: Aircraft Manufacturing

Project Engineer: Bret Banks, Env. Control, LADC, Phone: 805-572-4326

Project Manager: Robert Tudhope,

Phone: 310-643-7900

Project Completion: January 1994

Bonded by Treasury Rated Surety. 120 gpm turn-key zero liquid discharge wastewater treatment project and aircraft component anodizing facility. HEI designed and manufactured the following:

1. 28 cleaning and anodizing tanks with all sub-components

2. 5 stainless steel ovens, 8’ x 16’

3. Custom engineered automatic lids for tanks and ovens

4. Special rack and carrying fixtures, custom designed

5. Chromate reduction systems

6. HEI 110/60/MC clarifier

7. HEI sludge thickener

8. HEI B-10 filter press

9. Nano membrane filter

10. Reverse osmosis membrane filter

11. Evaporator crystallizer

12. Treated water reuse system

13. SCADA control system

The system is fully automatic and controlled by one central computer with a colorgraphic presentation of all process parameter instrument alarms, pumps and equipment.

Tubos De Acero De Mexico, S.A.

Carr. Mexico – Veracruz Km. 433.7

91700 Veracruz

Veracruz, Mexico

Phone: 011-522-981-0144

Size: $840,000.00

Type: Dissolved air flotation system.

Industry: Metal Forging

Project Engineer: Armando Martinez

Project Completion: November 1993

HEI supplied a turn-key wastewater treatment system to remove oil and grease, toxic metals and suspended solids. HEI designed and manufactured the following:

1. Lift stations with collection pit agitation

2. Chemical conditioning

3. Two (2) 26 foot dissolved air flotation units

4. Sludge thickener, 12’ x 24’

5. One (1) HEI 100 cubic feet filter press

6. Lime solo with lime slurry make-up system

7. Central PLC control with computerized colorgraphic presentation of process parameter using SCADA system

Singleton Seafood

5024 Uceta

Tampa, FL

Phone: 813-241-1529

Size: $571,000.00

Type: 210 gpm dissolved air flotation system.

Industry: Food Processing

Project Engineer: Mike McLaughlin

Project Completion: May 1996

HEI supplied a 350 gpm turn-key wastewater treatment system to remove oil and grease and suspended solids. HEI designed and manufactured the following:

1. One (1) 25,000 gallon equalization tank

2. Chemical conditioning

3. One (1) HEI 16 ft. diameter dissolved air flotation unit

4. HEI sludge thickener, 10’ x 18’

5. One (1) 100 cubic feet filter press

6. Central PLC control panel

Electroquil

Jose Salcedo No. 410 Y O’Conner

Barrio Del Centenario

Guayaquil, Ecuador

Phone:  011-593-4-87-1005

Size: $369,000.00, (three (3) plants)

Type: 205 gpm reverse osmosis (Nox reduction – turbine).

Industry: Power Generation Plant

Project Engineer: Gustavo Larrea Real

Project Completed: May 1996

HEI supplied three (3) dual pass package reverse osmosis systems that produced purified water of greater than 2,000,000 ohm.

1. HEI 205 gpm reverse osmosis, dual pass

2. Dual carbon filtration system

3. Clean-in-place skid

4. Start-up services

5. SCADA control with supervisory control from HEI’s Conroe central computer

Sherman Wire

Hwy. 56 W. & Gibbons Road

Sherman, TX

Phone: 903-893-0191

Size: $336,000.00

Type: Industrial wastewater pre-treatment facility to neutralize and remove toxic heavy metals.

Industry: Galvanizing Wire

Project Engineer: Al Ryan

Project Completed: Summer 1996

Turn-key wastewater treatment system. HEI designed, engineered, manufactured and installed the following:

1. HEI 40 gpm high rate inclined plate clarifier

2. Continuous sand filter

3. HEI sludge thickener

4. Two (2) HEI filter presses

5. PLC central control panel

6. Two stage neutralization

7. Catwalks and work platforms

Chevron Chemical Company

FM 1066

Orange, TX 77631

Phone: 409-882-6052

Size: $440,000.00

Type: Inclined plate clarifier turn-key installation.

Industry: Petro Chemical, Polyethylene

Project Engineer: Patrick Christman

Project Completion: March 1994

HEI supplied two (2) each HEI 4200/60/MC clarifiers with flocculation tanks. The clarifiers have motorized rakes to assist in the removal of collected solids.
Magnox-Pulaski

720 Commerce Street

Pulaski, VA 24301

Phone: 703-980-3500

Size: $870,000.00

Type: Turn-key wastewater treatment system.

Industry: Inorganic Chemical

Project Engineer: Carmine Dinitto

Project Completion: March 1994

HEI designed and manufactured a turn-key wastewater treatment system including the following:

1. Foundation and metal building, 12,000 sq. ft.

2. Two (2) 2000 sq. ft. HEI inclined plate clarifiers

3. Two (2) 600 sq. ft. gravity filters

4. Two (2) 50 cu. ft. HEI filter presses

5. One (1) 16 cu. ft. per hour HEI sludge dryer

Corpus Christi Naval Air Station

South Texas Area OICC/ROICC

Building 19, Suite 101

8851 Ocean Drive

Corpus Christi, TX 78419-5224

Phone: 512-939-2154

Size: $350,000.00

Type: Turn-key wastewater treatment system.

Industry: Aircraft Overhaul

Project Engineer: Abel DeLeon

Project Completed: October 1994

HEI supplied a turn-key wastewater treatment system to reduce chromate and remove heavy metals, with a dryer to produce dry solids. HEI designed and manufactured the following:

1. Lift station

2. Chromate reduction

3. Chemical conditioning

4. HEI clarifier, 440/60/MC

5. Multi-media polishing filter

6. Sludge thickener

7. HEI filter press, B-10

8. HEI sludge dryer, 2 cu. ft./hr.

Naval Avionics

6000 East 21st. Street

Indianapolis, IN

Phone: 317-353-3222

Size: $795,000.00

Type: Industrial wastewater pre-treatment facility, 190 gpm, chromate reduction, cyanide oxidation and HEI toxic heavy metal removal system.

Industry: Military, Metal Finishing

Project Adm.: Mike Beams

Project Engineer: Christine Ross

Project Completed: May 1991

Turn-key project including engineering, manufacturing and installing a complete wastewater treatment system to automatically oxidize cyanide, reduce chromate, remove heavy metals, compact and dry the resulting condensed toxic metal sludge. Cadmium was removed from ammonical complex to less than 0.010 mg/l.
Anniston Army Depot

Anniston, AL

Size: $896,000.00

Type: Groundwater remediation facility to pump and treat 750 gpm groundwater containing 5 ppm chromium to a discharge level of 30 ppb.

Industry: Military, Vehicle Overhaul, Groundwater Remediation

Project Adm.: Steve Light

Project Engineer: Gary Stokes

Project Completed: March 1992

Turn-key project including engineering, manufacturing and installation of a 750 gpm groundwater remediation system including a building and concrete base. Total chromium was removed to less than 0.005 mg/l.
F.A.A.

Marony Cities

Oklahoma City, OK

Size: $390,100.00

Type: Industrial wastewater pre-treatment facility to oxidize CN and remove toxic heavy metals.

Industry: Aircraft Overhaul

Project Adm.: Glen Obermann

Project Engineer: Mitch Green

Project Completed: March 1992

Turn-key project including engineering, manufacturing and installation of a system to oxidize cyanide and remove toxic heavy metals. A computerized colorgraphic monitor with PLC will be utilized to monitor and control the system. SCADA control system.
MMI

1902 Marine View Drive

Tacoma, WA

Phone: 503-227-5501

Size: $186,000.00

Type: Stormwater run-off facility, 50 gpm neutralization and suspended solids removal.

Industry: Metal Recycling, Stormwater Run-off

Project Adm.: Norm Webb

Project Completed: January 1991

HEI designed, manufactured and installed a wastewater treatment facility to remove oil and grease and suspended solids from stormwater run-off for 200 gpm.
Vulcraft

1601 W. Omaha Avenue

Norfolk, NE

Phone: 402-644-8500

Size: $196,000.00

Type: Toxic heavy metal removal system.

Industry: Coil Coating

Project Completed: November 1990

HEI designed, manufactured and installed a wastewater treatment system to remove copper, zinc, and suspended solids for this coating facility. The process rate was 100 gpm and heavy metals were all reduced to less than 0.100 mg/l.
Master Lock

2600 North 23rd. St.

Milwaukee, WI 53210

Phone: 414-440-2800

Size: $720,000.00

Type: 300 gpm, cyanide oxidation, chromate reduction and toxic metals removal.

Industry: Lock, Metal Finishing

Project Adm.: Jim Kuhnz

Project Engineer: Al Neisen

Project Completed: January 1985

Turn-key project for cyanide waste and chromate waste, 300 gpm, with two HEI inclined plate clarifiers, final filtration, 30 cubic foot filter press, and electronic control system.
S.P.S. Technologies

2701 S. Harbor Blvd.

Santa Ana, CA 92702

Phone: 714-850-3657

Size: $426,000.00

Type: 150 gpm, cyanide oxidation, chromate reduction, and toxic metals removal system.

Industry: Fastener, Aircraft Components

Project Adm.: Martin Ryan

Project Completed: November 1982

Turn-key project for cyanide oxidation and chromate reduction for an aircraft fastener plant including collection system, site preparation, concrete foundation, equipment and installation.
Heraeus Volkert

301 N. Roosevelt Road

Chandler, AZ 85226

Phone: 602-961-9200

Size: $240,000.00

Type: 75 gpm, cyanide oxidation.

Industry: Electronic Lead Frame

Project Engineer: Greg Fisher

Project Completed: December 1985

HEI supplied a high purity water recirculation system (1,000,000 ohm water) for this electronic lead frame manufacturer. A cyanide oxidation system and heavy metal removal system treated the wastewater and R.O. membrane and mixed bed deionization equipment purified the treated water.
Southwest Processors

4120 Bandini Blvd.

Los Angeles, CA 90023

Phone: 213-269-9876

Size: $680,000.00

Type: 300 gpm system.

Industry: Central Waste Processing Plant

Project Engineer: Jeff Jerome

Project Completed: September 1987

HEI designed and installed a system to remove oil & grease and suspended solids from this non-hazardous central collection facility. The equipment includes an HEI 300 gpm CPI oil water separator, 1,000 sq. ft. HEI inclined plate clarifier, and two (2) HEI 60 cu. ft. filter presses.
Menasco

FM 157 & Pipeline Road

Euless, TX 76039

Phone: 817-283-4471

Size: $250,000.00

Type: 25 gpm, automated dual batch treatment system.

Industry: Aluminum Anodizing, Aircraft Mfg.

Project Adm.: Ron Yarbrough

Project Completion: January 1987

HEI supplied a turn-key automatic batch treatment system to oxidize cyanide, reduce chromate, and precipitate chelated heavy metals. The system includes chemical treatment equipment, control instrumentation, inclined plate clarifier, final media filter and an HEI filter press.
El Reno Correctional Institution

El Reno, OK

Size: $764,000.00

Type: Turn-key paint facility.

Industry: Painting

Project Completed: May 1982

Turn-key projects to engineer, manufacture and install a conveyored pre-coat spray washer, dryer ovens, powder paint booth, baking oven and conveyorized welding facility to manufacture institutional beds.
Stanford Applied Engineering

Boulder, CO

Phone:  303-530-1900

Size: $124,000.00

Type: Automatic electroplating machine.

Industry: Printed Circuit Board

Project Engineer: Steve Hodges

Project Completed: October 1988

Design and manufacture of an automatic electroplating facility to apply electroless copper to printed circuit boards, complete with programmable controlled automatic hoist, corrosion resistant chemical tanks and hoist structure, tank controls, filter oven and exhaust system.
Skid Mounted Industrial Treatment Plants Size: 5-25 gpm [$22,000.00 – $45,000.00]

Type: Metal finishing wastewater

HEI has manufactured over 100 small compact pre-engineered industrial wastewater treatment plants for the metal finishing industry.

HEI has engineered and manufactured over 110 @ factory assembled package skid mounted water treatment systems that are shipped fully assembled, requiring one to connect 110 volt power, connect gravity flow influent and effluent lines.

The package unit is manufactured for 5, 10 & 20 gpm flow rate and may include cyanide oxidation and chromate reduction.

The unit to include:

1. Lift station

2. Chemical treatment

3. Inclined plate clarifier

4. Sludge thickener

5. Filter press

6. Chemical make-up and additions system

© Hoffland Environmental Inc, 2012