JPWO2023026931A5 - - Google Patents

Download PDF

Info

Publication number
JPWO2023026931A5
JPWO2023026931A5 JP2022564118A JP2022564118A JPWO2023026931A5 JP WO2023026931 A5 JPWO2023026931 A5 JP WO2023026931A5 JP 2022564118 A JP2022564118 A JP 2022564118A JP 2022564118 A JP2022564118 A JP 2022564118A JP WO2023026931 A5 JPWO2023026931 A5 JP WO2023026931A5
Authority
JP
Japan
Prior art keywords
manganese
solution
ions
iron oxide
oxidizing agent
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2022564118A
Other languages
Japanese (ja)
Other versions
JP7276626B1 (en
JPWO2023026931A1 (en
Filing date
Publication date
Application filed filed Critical
Priority claimed from PCT/JP2022/031111 external-priority patent/WO2023026931A1/en
Publication of JPWO2023026931A1 publication Critical patent/JPWO2023026931A1/ja
Application granted granted Critical
Publication of JP7276626B1 publication Critical patent/JP7276626B1/en
Publication of JPWO2023026931A5 publication Critical patent/JPWO2023026931A5/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Claims (8)

三価の鉄イオンを含む溶液に含まれるマンガンイオンを除去するマンガンの除去方法であって、
前記溶液中の三価の鉄イオンに対するマンガンイオンの質量比率（マンガンイオンの質量／三価の鉄イオンの質量）が、２／９８以下であり、
アルカリ溶液と酸化剤を使用して前記溶液のｐＨを０以上２．０以下、かつ、酸化還元電位を８００ｍＶ以上１２００ｍＶ以下に調整し、
前記溶液中に含まれる前記マンガンイオンをマンガン含有沈殿物として分離する、マンガンの除去方法。 A manganese removal method for removing manganese ions contained in a solution containing trivalent iron ions,
The mass ratio of manganese ions to trivalent iron ions in the solution (mass of manganese ions/mass of trivalent iron ions) is 2/98 or less,
Adjusting the pH of the solution to 0 or more and 2.0 or less and the oxidation-reduction potential to 800 mV or more and 1200 mV or less using an alkaline solution and an oxidizing agent;
A method for removing manganese, wherein the manganese ions contained in the solution are separated as a manganese-containing precipitate. 前記酸化剤として、強酸化剤を用いる、請求項１に記載のマンガンの除去方法。 2. The method for removing manganese according to claim 1, wherein a strong oxidizing agent is used as the oxidizing agent. 前記強酸化剤が、オゾン、次亜塩素酸、過酸化水素水のなかから選ばれる１種以上である、請求項２に記載のマンガンの除去方法。 3. The method for removing manganese according to claim 2, wherein said strong oxidizing agent is one or more selected from ozone, hypochlorous acid and hydrogen peroxide water. 前記アルカリ溶液の溶質が、アルカリ金属の水酸化物、アンモニアのなかから選ばれる１種以上である、請求項１～３のいずれかに記載のマンガンの除去方法。 The method for removing manganese according to any one of claims 1 to 3, wherein the solute of the alkaline solution is one or more selected from alkali metal hydroxides and ammonia. 請求項１～３のいずれかに記載のマンガンの除去方法によりマンガンを除去した後の溶液を、噴霧焙焼して酸化鉄を製造する、酸化鉄の製造方法。 A method for producing iron oxide, comprising spray-roasting the solution from which manganese has been removed by the method for removing manganese according to any one of claims 1 to 3 to produce iron oxide. 請求項４に記載のマンガンの除去方法によりマンガンを除去した後の溶液を、噴霧焙焼して酸化鉄を製造する、酸化鉄の製造方法。A method for producing iron oxide, comprising spray-roasting the solution from which manganese has been removed by the method for removing manganese according to claim 4 to produce iron oxide. 三価の鉄イオンを含む溶液からの鉄回収率が２０％以上である、請求項５に記載の酸化鉄の製造方法。 6. The method for producing iron oxide according to claim 5, wherein the iron recovery rate from the solution containing trivalent iron ions is 20% or more. 三価の鉄イオンを含む溶液からの鉄回収率が２０％以上である、請求項６に記載の酸化鉄の製造方法。7. The method for producing iron oxide according to claim 6, wherein the iron recovery rate from the solution containing trivalent iron ions is 20% or more.
JP2022564118A 2021-08-26 2022-08-17 Method for removing manganese and method for producing iron oxide Active JP7276626B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021137793 2021-08-26
JP2021137793 2021-08-26
PCT/JP2022/031111 WO2023026931A1 (en) 2021-08-26 2022-08-17 Manganese removal method and ferric oxide production method

Publications (3)

Publication Number Publication Date
JPWO2023026931A1 JPWO2023026931A1 (en) 2023-03-02
JP7276626B1 JP7276626B1 (en) 2023-05-18
JPWO2023026931A5 true JPWO2023026931A5 (en) 2023-08-01

Family

ID=85321950

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022564118A Active JP7276626B1 (en) 2021-08-26 2022-08-17 Method for removing manganese and method for producing iron oxide

Country Status (4)

Country Link
JP (1) JP7276626B1 (en)
KR (1) KR20230162097A (en)
CN (1) CN117242196A (en)
WO (1) WO2023026931A1 (en)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19812260A1 (en) * 1998-03-20 1999-09-23 Bayer Ag Production of iron oxide pigments from dilute acid formed in manufacture of titanium dioxide
US6682644B2 (en) * 2002-05-31 2004-01-27 Midamerican Energy Holdings Company Process for producing electrolytic manganese dioxide from geothermal brines
JP3843052B2 (en) * 2002-09-20 2006-11-08 新日本製鐵株式会社 Method for recovering and using valuable metals in metal-containing wastewater
JP5444024B2 (en) * 2010-01-29 2014-03-19 Ｊｆｅエンジニアリング株式会社 Recycling of zinc plating waste liquid
JP5229416B1 (en) 2011-06-29 2013-07-03 Ｊｆｅスチール株式会社 Manganese recovery method
EP2882880B1 (en) * 2012-08-09 2017-10-11 Deepgreen Engineering Pte. Ltd. Treatment of manganese-containing materials
JP6125458B2 (en) 2014-04-21 2017-05-10 Ｊｆｅスチール株式会社 Resource recovery method and separation / recovery equipment from waste dry batteries
JP6289411B2 (en) * 2015-03-31 2018-03-07 Ｊｘ金属株式会社 Method for removing iron from iron-containing solution and method for recovering valuable metals
JP7232119B2 (en) * 2019-04-26 2023-03-02 Ｊｘ金属株式会社 Method for processing lithium-ion battery waste and method for producing sulfate
CN110066925A (en) * 2019-04-28 2019-07-30 浙江天能新材料有限公司 The recovery method of valuable metal in a kind of waste and old nickel-cobalt-manganese ternary lithium battery

Similar Documents

Publication Publication Date Title
JP4894403B2 (en) Cyanide-containing wastewater treatment method and apparatus
JP2010209384A (en) Method for recovering manganese
JP7283720B2 (en) Method for preparing battery grade Ni-Co-Mn mixture and battery grade Mn solution
JP6904525B2 (en) How to remove chloride in water
JPWO2023026931A5 (en)
CN104030510B (en) A kind of method of acid and heavy metal recovery in gold smelting acid waste water
JP4951104B2 (en) Method for recovering nitric acid from waste liquid
DE60223399D1 (en) RECYCLING USED ELECTRIC CELLS BY HYDROMETALLURGIC TREATMENT
CN107935058B (en) Preparation method of battery-grade cobalt sulfate
JP2001010815A (en) Recovery of cerium from solution containing both chromium and cerium
TW583342B (en) Method for recovering cerium from chromium etchant
CN110983039B (en) Method for removing impurities in pyrolusite sulfur dioxide leaching solution
CN103521078A (en) Preparation method of membrane element of reverse osmosis membrane capable of quickly improving flux
JPH10226831A (en) Treatment of waste liquid of molybdenum dissolution
JP6572534B2 (en) Peracetic acid-containing wastewater treatment device and treatment method
JP2002322581A (en) Method for regenerating waste solution of nitric- hydrofluoric acid and method for pickling stainless steel
JP2007275713A (en) Oxidization method for removing of metal in liquid
JPS6058796B2 (en) Treatment method for nitric acid waste liquid containing iron
JP2003104728A (en) Method for treating iron-containing sulfuric acid solution
JP2005514372A5 (en)
JP7470977B2 (en) Hydrogen generating agent and method for producing hydrogen using the same
WO2023074442A1 (en) Method for producing lithium-containing solution and method for producing lithium hydroxide
US1542928A (en) Process for the production of disinfecting solutions which are capable of being regenerated
JP2002322582A (en) Method for regenerating waste solution of nitric- hydrofluoric acid and method for pickling stainless steel
JP6828400B2 (en) Manufacturing method of scrodite