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Salt Lake City International Airport
The EQ operations at the SLC International Airport are comprised of:
ADF Collection and Conveyance System
Collection over approx. 100 Acres of new concrete surface:
- Gate side defrosting areas
- Twenty Five (25) dedicated/designated Deicing Stations
- Four (4) "end-of-taxiway" Secondary Deicing Stations
- Two segregated Deicing Stations (East Side) totaling approx. 2.5 acres.
- Two common use/cargo deicing locations
Material Conveyance is accomplished using nine automated pumping stations:
- Six 1200 gpm Ingersoll-Rand Pumps
- Three 800 gpm Ingersoll-Rand Pumps
- Ten 850 gpm Gorman-Rupp Pumps
- Two 1000 gpm Smith-Loveless Pumps
- Two 850 gpm Gorman-Rupp Pumps added in latest construction phase
In conjunction with:
- Approx. 5.5 miles of 18-inch to 28-inch HDPE buried pipeline
- Approx. 1.5 miles of trench drains
- 55 individual gate valves
- and over 125 drop inlet/collection boxes
- GRV and catch basin inserts for fugitive glycol control
Spent ADF/Stormwater Storage
- Material transported via collection system terminate at three, 3.4 Million gallon (approx. 455,000 cubic feet each) covered and lined storage lagoons.
- Additional 2.4 Million gallons available in former collection system lagoons.
Spent ADF (Ethylene and Propylene Glycol) at Reclamation Facility (SLCIA does not mandate any particular ADF type, therefore a mix of EG and PG is received by the facility.)
- 2.75 acre site adjacent to the storage lagoons contains EQ's MVR Evaporator, Distillation Column, storage tanks and ancillary equipment.
- Process Facility Storage consists of over 150,000 gallons of Feed Stock, 150,000 gallons for condensate/wastewater discharge, 52,000 gallons of Distillation Column Feed Stock, 78,000 gallons of Finished Product Storage, and 50,000 gallons of utility (misc.) storage.
- Pretreatment filtering system
- Ion exchange pretreatment
- Reverse osmosis for product concentrating and final effluent polishing
- Mechanical Vapor Recompression Evaporator (MVR) is capable of processing more than 25 Million Gallons of ADF contaminated stormwater (1% or greater glycol concentration) a year to a concentration of 70-80%.
- The condensate removed by this process is discharged to the local Public Utilities Department Wastewater Treatment per an Industrial Wastewater Discharge permit. (Permit held by EQ Airport Services)
- The Distillation Column is then capable of splitting the mixed glycols, forming 99% propylene glycol, 0.5% ethylene glycol and 0.5% water and 99% ethylene glycol and 1.0% propylene glycol mix.
- The process also consists of ultra-filtration and product final polishing systems to enhance product clarity/quality.
- Full service laboratory for ADF-based analytical services: Gas Chromatography, Spectrophotometers (COD, and other analyses), TDS, TSS, pH, color, and clarity.
- The facility and its processes are highly automated and only require a total crew of 5-6 persons, allowing for 7 days a week, 24-hour operation of the facility and the collection systems.
Since the 1998-1999 deicing season, EQ has managed over 37 Million gallons of spent ADF/stormwater ranging in concentration from 0.5% to 5%.
Comprehensive Environmental Management Services for the Aviation Industry
Solutions:
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