Method for treating organic wastes

Details Method for treating organic wastes Method for treating organic wastes

1999-04-26

2000-07-04

Simmons, David A.

Liquid purification or separation

Processes

Chemical treatment

210762, 210763, 210908, C02F 172

Patent

active

060834099

ABSTRACT:
Organic materials such as raw refuse, waste plastics, waste biomass, sludges, etc. are decomposed by the use of supercritical water to selectively produce hydrogen. A thermochemical reaction is promoted to reduce the supercritical water and selectively produce hydrogen, without substantially adding any oxidizing agent to the supercritical water of a specific temperature and pressure, in the presence of a carbon dioxide-absorbing substance in an amount sufficient to absorb all of the generated carbon dioxide, so that carbon contained in the organic wastes reduces the supercritical water, and hence the organic materials are completely decomposed and also hydrogen gas is removed.

REFERENCES:
patent: 5252224 (1993-10-01), Modell et al.
patent: 5460792 (1995-10-01), Rosenbaum
patent: 5492634 (1996-02-01), Hong et al.
patent: 5630854 (1997-05-01), Sealock, Jr. et al.
patent: 5746926 (1998-05-01), Ross et al.
Hydrogen Production from High-Moisture-Content Biomass in Supercritical Water; by Michael Antal, Hodrogen InfoNet, Web Site: http://www.eren.doe.gov/hydrogen/hydprod.htm, May 13, 1998.
Hydrogen Production from Biomass Using Supercritical Water; by Yukihiko Matsumura, (6 pages).

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