Title: Landfill material

Abstract: A method for treating arsenic-containing waste materials for disposal in landfill sites comprises admixing an arsenic waste, Portland cement, sand, one or more water-soluble manganese or alkaline earth metal salts, and water, thereby producing a slurry similar to wet concrete, which slurry, when cured, leaves a rock-like material containing entrapped arsenic. This material may be used for landfill without danger of ground or rain waters leaching arsenic therefrom.

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Inventors: Young, Dean A. (Yorba Linda, CA, US)

Application Number: 924897
Filing Date: 1978-07-17
Publication_date: 1979-03-06
Assignee: Union Oil Company of California (Los Angeles, CA)
Primary Class(es): 588/252 106/721, 106/733, 210/911, 210/912, 405/129.3, 588/236, 588/256, 588/901
Other Classes:
US Patent Ref:

254530	Mar, 1882	Budlong	106/98.
954692	Apr, 1910	Phillips	106/98.
1875897	Sep, 1932	Stalhane	106/89.
3980558	Sep, 1976	Thompson	210/59.
4046674	Sep, 1977	Young	208/251.

Other Refs:
Primary Examiner: McCarthy, Helen
Assistant Examiner:
Attorney: Hartman; Richard C., Henderson; Lannas S., Wirzbicki; Gregory F.