Global Patent Index - EP 0979262 A1

EP 0979262 A1 20000216 - METHOD AND APPARATUS FOR TREATING WASTES BY GASIFICATION

Title (en)

METHOD AND APPARATUS FOR TREATING WASTES BY GASIFICATION

Title (de)

VERFAHREN UND VORRICHTUNG ZUR BEHANDLUNG VON ABÄLLEN DURCH VERGASUNG

Title (fr)

PROCEDE ET DISPOSITIF SERVANT A TRAITER DES DECHETS PAR GAZEIFICATION

Publication

EP 0979262 A1 (EN)

Application

EP 97909579 A

Priority

  • JP 9703814 W
  • JP 11743497 A

Abstract (en)

[origin: WO9847985A1] A method and apparatus for treating wastes by two-stage gasification recovers metals or ash content in the wastes in such a state that they can be recycled, and gases containing carbon monoxide (CO) and hydrogen gas (H2) for use as synthesis gas of ammonia (NH3) or production of hydrogen gas. The wastes are gasified in a fluidized-bed reactor (3) at a low temperature. Then, gaseous material and char produced in the fluidized-bed reactor (3) are introduced into the high-temperature combustor (17), and gasified at a high temperature and ash content is converted into molten slag. After water scrubbing and CO conversion reaction, the gas is separated into H2 and residual gas. The residual gas is then supplied to the fluidized-bed reactor (3) as a fluidizing gas.

IPC 1-7

C10J 3/54; C10J 3/56; C10J 3/66

IPC 8 full level

C10J 3/54 (2006.01); C10J 3/56 (2006.01); C10J 3/66 (2006.01)

CPC (source: EP)

C10J 3/482 (2013.01); C10J 3/54 (2013.01); C10J 3/56 (2013.01); C10J 3/66 (2013.01); C10J 3/721 (2013.01); C10J 3/84 (2013.01); C10K 1/101 (2013.01); C10K 3/04 (2013.01); C10G 2300/1003 (2013.01); C10J 2300/0946 (2013.01); C10J 2300/1606 (2013.01); C10J 2300/1693 (2013.01); C10J 2300/1823 (2013.01); C10J 2300/1861 (2013.01); C10J 2300/1884 (2013.01)

Citation (search report)

See references of WO 9847985A1

Designated contracting state (EPC)

DE ES FR GB IT

DOCDB simple family (publication)

WO 9847985 A1 19981029; CN 1137249 C 20040204; CN 1253577 A 20000517; DE 69730870 D1 20041028; DE 69730870 T2 20050929; EP 0979262 A1 20000216; EP 0979262 B1 20040922; ES 2229339 T3 20050416

DOCDB simple family (application)

JP 9703814 W 19971022; CN 97182129 A 19971022; DE 69730870 T 19971022; EP 97909579 A 19971022; ES 97909579 T 19971022