Liquid purification or separation – Processes – Using magnetic force
Patent
1996-04-02
1999-02-09
Reifsnyder, David A.
Liquid purification or separation
Processes
Using magnetic force
210737, 210747, 210748, 210749, 210766, 210770, 210772, 210774, 210781, 210800, 106723, 106739, 106746, 134 4, 134 10, 264420, 34259, B01D 3506, C04B 1402, F26B 3347
Patent
active
058689400
ABSTRACT:
Methods for on-site remediation of contaminated natural resources and fabrication of construction products therefrom. A mobile treatment facility is provided at the site of the contaminated natural resources. Contaminated sediment, soil, pulp and/or liquids are obtained from the site and processed on-site to obtain a variety of construction materials, including coarse and fine particulate material, bricks, concrete products, pellets and aggregate material. Coarse, sand-like materials are fabricated from decontaminated clay-based based materials and used in the fabrication of concrete products. Waste streams are combined to optimize their mutually neutralizing properties. Contaminants such as inorganics and heavy metals are immobilized as water-insoluble complexes in the matrix of the resulting products. Organic contaminants are volatilized and/or burned off, and thermochemical reactions of inorganic contaminants are induced, in a high-temperature irradiation treatment. Contaminated sediments and soils can be substantially reduced in weight and volume, with or without remediation, so that they can be transported in compact form to disposal and storage sites.
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