Title:
METHOD AND DEVICE FOR DESULFURIZING DIGESTION GAS
Document Type and Number:
Japanese Patent JP3235131
Kind Code:
B2
Abstract:
PURPOSE: To desulfurize a digestion gas generated by anaerobic digestion at a low cost and with high efficiency, to obtain a treated gas having a high content of methane, to make hydrogen sulfide harmless and to discharge the harmless gas along with a processing soln.
CONSTITUTION: The digestion gas generated in an anaerobic digester 1 is brought into contact with a liq. mixture in an aerobic oxidation device 2 or a processing soln. in an absorber 3 to absorb the hydrogen sulfide in the digeastion gas, the liq. absorbent is aerobically oxidized in the oxidation device 2, and the hydrogen sulfide is oxidized and desulfurized.
Inventors:
Motoyuki Yoda
Application Number:
JP23830891A
Publication Date:
December 04, 2001
Filing Date:
September 18, 1991
Export Citation:
Assignee:
Kurita Water Industries Ltd.
International Classes:
B01D53/52; B01D53/34; B01D53/77; C02F3/12; C02F3/28; C02F11/04; (IPC1-7): B01D53/52; B01D53/77; C02F3/12; C02F11/04
Domestic Patent References:
| JP62149324A |
Attorney, Agent or Firm:
Sei Yanagihara