Municipal solid waste processing facility and commercial ethanol

Details Municipal solid waste processing facility and commercial ethanol Municipal solid waste processing facility and commercial ethanol

1995-04-14

1996-11-05

Lilling, Herbert J.

Chemistry: molecular biology and microbiology

Micro-organism, tissue cell culture or enzyme using process...

Preparing compound containing saccharide radical

435161, 435163, 435165, 435171, 435262, 426 11, 426 14, C12P 1902, C12P 710

Patent

active

055717039

ABSTRACT:
A method of processing waste is disclosed wherein the municipal solid waste is segregated and processed to recover reusable rubber, metal, plastic, glass and the remaining organic portion of the waste stream is used to make ethanol and other chemicals. One process utilizes a pretreatment step with dilute sulfuric acid to reduce the heavy metal content of the cellulosic component of the municipal solid waste which can inhibit the fermentation of the sugars obtained from such waste. In another, the heavy metal content of the cellulosic component of municipal solid waste is removed via an ionic exchange process, after hydrolysis with sulfuric acid. A process for an economical, energy efficient production of ethanol from municipal solid waste is also disclosed.

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