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SOLIDIFIED BODY OF NEUTRALIZED SCHWERTMANNITE AND ITS PRODUCTION METHOD, AS WELL AS CLEANING METHOD WITH SOLIDIFIED BODY OF NEUTRALIZED SCHWERTMANNITE
To provide an absorbent of a heavy metal, which can be readily separated from an object to be treated, after solidifying the heavy metal in a substance to be treated, and, can be readily produced and its production method, as well as, a cleaning method used in the absorbent.SOLUTION: A production method of a solidified body includes steps of: obtaining a mixture by mixing a solidified body containing neutralized schwertmannite and gypsum, and, the neutralized schwertmannite and gypsum hemihydrate; obtaining a slurry by mixing after adding water to the mixture; and solidifying the slurry to obtain the solidified body containing the neutralized schwertmannite and gypsum.SELECTED DRAWING: Figure 1
【課題】処理対象物中の重金属を固定した後、当該処理対象物から容易に分離出来、且つ、製造も容易な重金属の吸着材とその製造方法、並びに当該吸着材を用いた浄化方法と提供する。【解決手段】中和シュベルトマナイトと石膏とを含む固化体、および、中和シュベルトマナイトと半水石膏とを混合して混合物を得る工程と、前記混合物へ水を添加した後、混合してスラリーを得る工程と、前記スラリーを固化させて、中和シュベルトマナイトと石膏とを含む固化体を得る工程と、を有する固化体の製造方法を提供する。【選択図】図１
SOLIDIFIED BODY OF NEUTRALIZED SCHWERTMANNITE AND ITS PRODUCTION METHOD, AS WELL AS CLEANING METHOD WITH SOLIDIFIED BODY OF NEUTRALIZED SCHWERTMANNITE
To provide an absorbent of a heavy metal, which can be readily separated from an object to be treated, after solidifying the heavy metal in a substance to be treated, and, can be readily produced and its production method, as well as, a cleaning method used in the absorbent.SOLUTION: A production method of a solidified body includes steps of: obtaining a mixture by mixing a solidified body containing neutralized schwertmannite and gypsum, and, the neutralized schwertmannite and gypsum hemihydrate; obtaining a slurry by mixing after adding water to the mixture; and solidifying the slurry to obtain the solidified body containing the neutralized schwertmannite and gypsum.SELECTED DRAWING: Figure 1
【課題】処理対象物中の重金属を固定した後、当該処理対象物から容易に分離出来、且つ、製造も容易な重金属の吸着材とその製造方法、並びに当該吸着材を用いた浄化方法と提供する。【解決手段】中和シュベルトマナイトと石膏とを含む固化体、および、中和シュベルトマナイトと半水石膏とを混合して混合物を得る工程と、前記混合物へ水を添加した後、混合してスラリーを得る工程と、前記スラリーを固化させて、中和シュベルトマナイトと石膏とを含む固化体を得る工程と、を有する固化体の製造方法を提供する。【選択図】図１
SOLIDIFIED BODY OF NEUTRALIZED SCHWERTMANNITE AND ITS PRODUCTION METHOD, AS WELL AS CLEANING METHOD WITH SOLIDIFIED BODY OF NEUTRALIZED SCHWERTMANNITE
中和シュベルトマナイトの固化体およびその製造方法、並びに中和シュベルトマナイトの固化体を用いた浄化方法
KAMESHIMA KINICHI (author) / ISHIKAWA AKIHIKO (author) / FUKUDA KENSAKU (author)
2020-08-31
Patent
Electronic Resource
Japanese
IPC:
C04B
Kalk
,
LIME
/
B01J
Chemische oder physikalische Verfahren, z.B. Katalyse oder Kolloidchemie
,
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY
/
C02F
Behandlung von Wasser, Schmutzwasser, Abwasser oder von Abwasserschlamm
,
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
| European Patent Office | 2021
European Patent Office | 2021