Title:
PRODUCTION OF ORGANIC SUBSTANCE AND HYDROLYSATE FROM WASTE WATER SLUDGE FOR RECOVERING BIOLOGICALLY UTILIZABLE SUBSTANCE
Document Type and Number:
Japanese Patent JPS60118210
Kind Code:
A
Abstract:
1. A process for producing hydrolysates from sewage sludge and organic substances or waste to obtain substances for use in biotechnology, wherein the sewage sludge to be treated is condensed or dehydrated, characterised in that the condensed or dehydrated sewage sludge or the organic substances or waste are loaded into a sieve drum (3) and the material placed therein is placed under saturated steam or superheated steam at 1 to 40 bar, more particularly 1 to 15 bar, and rolled in the steam atmosphere, and that the hydrolysate obtained is collected separately in zones which are disposed one behind another in the axial direction of the sieve drum(s) and drawn off.
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Inventors:
AROISU YANUTSUSHIYU
RAINHARUTO HANKE
RAINHARUTO HANKE
Application Number:
JP23820884A
Publication Date:
June 25, 1985
Filing Date:
November 12, 1984
Export Citation:
Assignee:
VOEST AG
International Classes:
C09K17/00; B01D33/06; B01D35/12; B01D35/18; C02F11/02; C02F11/18; C09K17/32; B01D33/74; C09K101/00; (IPC1-7): B01D33/18; C02F11/12; C09K17/00
Attorney, Agent or Firm:
Minoru Nakamura