CN115321597A - 一种利用含铬废硫酸制备氯化铬晶体的方法 - Google Patents
一种利用含铬废硫酸制备氯化铬晶体的方法 Download PDFInfo
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- CN115321597A CN115321597A CN202210982294.7A CN202210982294A CN115321597A CN 115321597 A CN115321597 A CN 115321597A CN 202210982294 A CN202210982294 A CN 202210982294A CN 115321597 A CN115321597 A CN 115321597A
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- Prior art keywords
- chromium
- sulfuric acid
- iron
- containing waste
- waste sulfuric
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G37/00—Compounds of chromium
- C01G37/04—Chromium halides
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/14—Sulfates
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Removal Of Specific Substances (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
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CN202210982294.7A CN115321597A (zh) | 2022-08-16 | 2022-08-16 | 一种利用含铬废硫酸制备氯化铬晶体的方法 |
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CN202210982294.7A CN115321597A (zh) | 2022-08-16 | 2022-08-16 | 一种利用含铬废硫酸制备氯化铬晶体的方法 |
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CN115321597A true CN115321597A (zh) | 2022-11-11 |
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CN202210982294.7A Pending CN115321597A (zh) | 2022-08-16 | 2022-08-16 | 一种利用含铬废硫酸制备氯化铬晶体的方法 |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01176227A (ja) * | 1987-12-29 | 1989-07-12 | Nippon Chem Ind Co Ltd | 高純度塩化クロム水溶液の製造方法 |
US5380441A (en) * | 1993-09-15 | 1995-01-10 | General Electric Company | Removal of chromium from solution using mechanically agitated iron particles |
JP2006212580A (ja) * | 2005-02-04 | 2006-08-17 | Nippon Steel Corp | 鉄とクロムを含む酸性廃液の処理方法 |
CN111455168A (zh) * | 2020-04-22 | 2020-07-28 | 宝武集团环境资源科技有限公司 | 一种含铬废水的处理方法 |
CN113735172A (zh) * | 2021-10-08 | 2021-12-03 | 上海良仁化工有限公司 | 含铬污泥制备细颗粒氢氧化铬的方法 |
CN114195190A (zh) * | 2021-12-30 | 2022-03-18 | 斯瑞尔环境科技股份有限公司 | 一种易溶于酸的氢氧化铬的制备方法 |
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2022
- 2022-08-16 CN CN202210982294.7A patent/CN115321597A/zh active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01176227A (ja) * | 1987-12-29 | 1989-07-12 | Nippon Chem Ind Co Ltd | 高純度塩化クロム水溶液の製造方法 |
US5380441A (en) * | 1993-09-15 | 1995-01-10 | General Electric Company | Removal of chromium from solution using mechanically agitated iron particles |
JP2006212580A (ja) * | 2005-02-04 | 2006-08-17 | Nippon Steel Corp | 鉄とクロムを含む酸性廃液の処理方法 |
CN111455168A (zh) * | 2020-04-22 | 2020-07-28 | 宝武集团环境资源科技有限公司 | 一种含铬废水的处理方法 |
CN113735172A (zh) * | 2021-10-08 | 2021-12-03 | 上海良仁化工有限公司 | 含铬污泥制备细颗粒氢氧化铬的方法 |
CN114195190A (zh) * | 2021-12-30 | 2022-03-18 | 斯瑞尔环境科技股份有限公司 | 一种易溶于酸的氢氧化铬的制备方法 |
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