METHOD AND SYSTEM FOR UTILIZING COMPONENTS CONTAINED IN HEAVY OIL-BASED COMBUSTION ASH

WIPO Patent Application WO/2010/143270

A1

Provided is a method by which all of various types of components separated and recovered from heavy oil-based combustion ash can be recycled and used while the burden of transportation cost and the like is reduced. A method for utilizing components contained in heavy oil-based combustion ash comprises (A) a separation/recovery step of separating and recovering a nonferrous metal compound, ammonia, gypsum, and a residue from the heavy oil-based combustion ash, (B) a denitration step of denitrating nitrogen oxide in exhaust gas containing the nitrogen oxide by doping the exhaust gas with the ammonia, (C) a gypsum utilizing step of manufacturing gypsum products and/or cement by utilizing the gypsum, and (D) a residue utilizing step of utilizing the residue as part of a raw material for cement clinker.

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MIURA, Keiichi (4-2 Osaku 2-chome, Sakura-sh, Chiba 55, 〒2858655, JP)
三浦　啓一 (〒55 千葉県佐倉市大作二丁目４番２　太平洋セメント株式会社中央研究所内 Chiba, 〒2858655, JP)

JP2009/060561

December 16, 2010

June 09, 2009

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TAIHEIYO CEMENT CORPORATION (8-1 Akashi-cho, Chuo-ku Tokyo, 18, 〒1048518, JP)
太平洋セメント株式会社 (〒18 東京都中央区明石町８番１号 Tokyo, 〒1048518, JP)
MIURA, Keiichi (4-2 Osaku 2-chome, Sakura-sh, Chiba 55, 〒2858655, JP)

B09B5/00; B01D53/56; C04B7/38

HIRATA, Naoyuki (LEAD INTERNATIONAL PATENT OFFICE, Takou Building Kudan 4F 8-5, Iidabashi 2-chome, Chiyoda-k, Tokyo 72, 〒1020072, JP)

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