| 发明名称 |
METHOD FOR PRODUCING ORGANIC ACID, ORGANIC ACID PRODUCTION DEVICE AND WASTE WATER TREATMENT EQUIPMENT |
| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method for producing organic acid, an organic acid production device and waste water treatment equipment capable of attaining the saving of energy. <P>SOLUTION: The organic acid production device 1 is provided with: a temperature control part 2 for controlling the temperature of raw sludge; and a fermentation tank 27 where raw sludge whose temperature is controlled is anaerobically fermented, so as to obtain organic acid. The temperature control part 2 has a heat pump 51 for making treated water obtained by waste water treatment using organic acid into a hot energy source or a cold energy source, and performs warming or cooling for raw sludge using the heat pump 51. <P>COPYRIGHT: (C)2008,JPO&INPIT |
| 申请公布号 |
JP2007260604(A) |
申请公布日期 |
2007.10.11 |
| 申请号 |
JP20060091139 |
申请日期 |
2006.03.29 |
| 申请人 |
SUMITOMO HEAVY INDUSTRIES ENVIRONMENT CO LTD;TOKYO METROPOLIS |
发明人 |
OKATA MASANOBU;YAMAMURA KENJI;TAKAHASHI JUNJI |
| 分类号 |
C02F11/04;C02F3/30;C02F3/34 |
主分类号 |
C02F11/04 |
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