Process for treating waste materials with concentrated acid and

Details Process for treating waste materials with concentrated acid and Process for treating waste materials with concentrated acid and

1993-11-03

1996-01-23

Suchfield, George A.

Hydraulic and earth engineering

Subterranean waste disposal, containment, or treatment

With treatment of waste

71 23, B09B 300, C05F 1100

Patent

active

054860687

ABSTRACT:
A process for treating wood, particularly wood wastes (such as sawdust and the like), and/or paper, particularly waste paper (such as newsprint), and/or other types of polysaccharides (matter composed essentially of cellulose and lignin), preferably available as "wastes", with concentrated sulfuric acid (93 to 98.5% H.sub.2 SO.sub.4), or with concentrated phosphoric acid (75 to 85% H.sub.3 PO.sub.4), or various mixtures of these acids in their concentrated forms. The product of the process can be used for treating agricultural soils or as a landfill.

REFERENCES:
patent: 128752 (1872-07-01), Pratt et al.
patent: 2362390 (1944-11-01), Millar
patent: 2985643 (1961-05-01), Boomer
patent: 3218149 (1965-11-01), Sproull et al.
patent: 3758287 (1973-09-01), Scheel
patent: 4343646 (1982-08-01), Leonard
patent: 4743287 (1988-05-01), Robinson
patent: 5051031 (1991-09-01), Schumacher et al.
patent: 5161915 (1992-11-01), Hansen

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