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Title:
廃棄物焼却から灰分を回収する方法
Document Type and Number:
Japanese Patent JP6419189
Kind Code:
B2
Abstract:
Methods treat ash from waste incineration, wherein the methods at least comprise: a) the digestion of the ash by a leaching liquor containing phosphate ions in solution such as to form a first solid phase comprising impurities and a first liquid phase comprising phosphate ions; and b) the separation of said first liquid phase comprising phosphate ions from said first solid phase. Step a) is carried out for a duration of less than one hour or at a temperature of more than 40° C.

Inventors:
Mohammed Takim
Application Number:
JP2016539937A
Publication Date:
November 07, 2018
Filing Date:
December 19, 2014
Export Citation:
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Assignee:
Ecofoss A
International Classes:
B09B3/00; B01J49/06; C02F1/26; C02F1/42; C22B3/06; C22B3/24; C22B3/26; C22B7/02
Domestic Patent References:
JP11033594A
JP11092122A
JP6191809A
JP2010522068A
JP55002790A
Other References:
Kazuyuki OSHITA, et al.,Basic Study on Wet Extraction Process of Phosphorous from Sewage Sludge Ash,Environmental Engineering Research,2003年,Vol. 40,p395-404
Attorney, Agent or Firm:
Yasuhiko Murayama
Shinya Mitsuhiro
Tatsuhiko Abe