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Title: Process for treating waste water having low concentrations of metallic contaminants

Patent ·
OSTI ID:1165446

A process for treating waste water having a low level of metallic contaminants by reducing the toxicity level of metallic contaminants to an acceptable level and subsequently discharging the treated waste water into the environment without removing the treated contaminants.

Research Organization:
Savannah River Ecology Laboratory (SREL), Aiken, SC (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC 09-96SR18500
Assignee:
Savannah River Nuclear Solutions, LLC (Aiken, SC)
Patent Number(s):
8,911,630
Application Number:
12/319,966
OSTI ID:
1165446
Resource Relation:
Patent File Date: 2009 Jan 14
Country of Publication:
United States
Language:
English

References (19)

Thiohumic acid, a process for preparing same, and its use for absorbing heavy metal ions patent January 1976
Adsorbent for the treatment of waste water patent March 1978
Insoluble compositions for removing mercury from a liquid medium patent March 1987
Process for the removal of metals from waters containing them patent May 1988
Method for removing mercury and other related metals from a liquid medium patent June 1988
Treatment of bayer process red mud slurries patent August 1991
Method for reducing industrial or urban effluent COD patent May 1992
Method for on site cleaning of soil contaminated with metal compounds, sulfides and cyanogen derivatives patent April 1994
Method and related product for purification of waste water patent May 1995
Barrier to prevent spread of soil contamination patent May 1996
Adsorbent patent May 1999
Compositions and methods for the remediation of chemical contamination in subsurface water bearing geological formations patent December 1999
Imaging member with catalytic centers patent November 2000
Reverse osmosis process and equipment patent October 2001
Isotropically expansible balloon articles useful in in vivo lumenal procedures, and method of making such balloon articles patent December 2003
Humic mineral reagent and method for the production thereof, method for rehabilitating polluted soils, method for detoxification of wastes of extracted and processed mineral products and recultivating rock dumps and tailing storages, method for sewage water treatment and method for sludge utilisation patent-application March 2006
Method for treating metal-contaminated water and soil patent-application June 2006
Humic Derivatives Methods of Preparation and Use patent-application February 2011
The Effects of pH and Dissolved Organic Carbon on the Toxicity of Cadmium and Copper to a Freshwater Bivalve: Further Support for the Extended Free Ion Activity Model journal December 2003