Chemistry: molecular biology and microbiology – Process of utilizing an enzyme or micro-organism to destroy... – Destruction of hazardous or toxic waste
Patent
1994-10-28
1997-02-11
Yeung, George
Chemistry: molecular biology and microbiology
Process of utilizing an enzyme or micro-organism to destroy...
Destruction of hazardous or toxic waste
4221841, 4352891, 4352971, 4352902, C12M 100
Patent
active
056020350
ABSTRACT:
An apparatus and method is described for treatment of organically contaminated soil in which a modular structure having a plurality of interconnected segments with two end segments and at least one intermediate segment, allows for the formation of a system closed off from the outside atmosphere such that a vacuum can be maintained in the system and one or more gases can be supplied to the system, and in which at least one conduit interconnecting the gas supply with the vacuum such that a circuit is established for circulating the gas in the closed system.
REFERENCES:
patent: 4457441 (1984-07-01), McCloughan
patent: 4962034 (1990-10-01), Khan
Sonnen et al. "Acts for Biological Treatment" WPIDS (Derwent) Abstract for DE 4229926, Mar. 1994.
Sonnen Hans
Sonnen Klaus
Meller Michael N.
Yeung George
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