Innovative electromembrane process for recovery of lead from contaminated soils

Conference · Thu Jan 01 00:00:00 EST 1987 · Proceedings, Annual Meeting, Air Pollution Control Association; (USA)

OSTI ID:5029621

Krishnan, E R; Kemner, W F ^[1]

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1. PEI Associates, Inc., Cincinnati, OH (USA)

The authors summarize the alternatives available for treating lead-contaminated soil. It should be noted that only the soil-washing option actually removes the lead from the contaminated soil. This paper describes research conducted to investigate the process characteristics, design, and economics of a soil-washing process employing an electromembrane reactor (EMR) for treatment of contaminated soils for recovery of heavy metals such as lead. It provides a simplified overview of the soil-washing process. The process uses ethylenediaminetetraaceptic acid (EDTA) as the chelating agent and recovers lead by electrodeposition. The primary objective of the research was to optimize, via bench-scale tests, the process variables for the chelation and electroplating (EMR) operations of the process. The classification and dewatering steps, though crucial to the overall process, represent existing technology and were not studied specifically during this research. This process results in a lead product containing about 90 weight percent lead at optimum process conditions.

• OSTI ID: 5029621
• Report Number(s): CONF-870695-; CODEN: PRAPA
• Journal Information: Proceedings, Annual Meeting, Air Pollution Control Association; (USA), Vol. 1; Conference: 80. annual meeting of the Air Pollution Control Association, New York, NY (USA), 21-26 Jun 1987; Other Information: Technical Paper 87-20.5; ISSN 0193-9688
• Country of Publication: United States
• Language: English

Related Subjects

54 ENVIRONMENTAL SCIENCES
32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
99 GENERAL AND MISCELLANEOUS//MATHEMATICS, COMPUTING, AND INFORMATION SCIENCE
29 ENERGY PLANNING
POLICY AND ECONOMY
LEAD
RECOVERY
PUBLIC HEALTH
SAFETY
SANITARY LANDFILLS
LIABILITIES
SOILS
CONTAMINATION
AQUIFERS
CLAYS
CLEANING
ELECTROPLATING
ENERGY RECOVERY
ENVIRONMENTAL TRANSPORT
HAZARDOUS MATERIALS
INDUSTRIAL WASTES
LAND RECLAMATION
SOLUBILITY
UNDERGROUND FACILITIES
USA
DEPOSITION
ELECTRODEPOSITION
ELECTROLYSIS
ELEMENTS
LYSIS
MANAGEMENT
MASS TRANSFER
MATERIALS
METALS
NORTH AMERICA
PLATING
SURFACE COATING
WASTE DISPOSAL
WASTE MANAGEMENT
WASTES
540220* - Environment
Terrestrial- Chemicals Monitoring & Transport- (1990-)
320305 - Energy Conservation
Consumption
& Utilization- Industrial & Agricultural Processes- Industrial Waste Management
552000 - Public Health
290300 - Energy Planning & Policy- Environment
Health
& Safety