CN1114579C - Method for preparing ferrous ammonium sulfate by using waste water from sulfuric acid method prodn. of titanium dioxide - Google Patents
Method for preparing ferrous ammonium sulfate by using waste water from sulfuric acid method prodn. of titanium dioxide Download PDFInfo
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- CN1114579C CN1114579C CN 97106429 CN97106429A CN1114579C CN 1114579 C CN1114579 C CN 1114579C CN 97106429 CN97106429 CN 97106429 CN 97106429 A CN97106429 A CN 97106429A CN 1114579 C CN1114579 C CN 1114579C
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- reaction
- ammonium sulphate
- acid
- content
- ferrous sulfate
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 97106429 CN1114579C (en) | 1997-05-22 | 1997-05-22 | Method for preparing ferrous ammonium sulfate by using waste water from sulfuric acid method prodn. of titanium dioxide |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN 97106429 CN1114579C (en) | 1997-05-22 | 1997-05-22 | Method for preparing ferrous ammonium sulfate by using waste water from sulfuric acid method prodn. of titanium dioxide |
Publications (2)
Publication Number | Publication Date |
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CN1200364A CN1200364A (en) | 1998-12-02 |
CN1114579C true CN1114579C (en) | 2003-07-16 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN 97106429 Expired - Fee Related CN1114579C (en) | 1997-05-22 | 1997-05-22 | Method for preparing ferrous ammonium sulfate by using waste water from sulfuric acid method prodn. of titanium dioxide |
Country Status (1)
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CN (1) | CN1114579C (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008034921A1 (en) | 2006-09-18 | 2008-03-27 | Fertinagro Nutrientes, S.L. | Process for obtaining fertilizers from tio2 subproducts, and products obtained in this manner |
CN101935071B (en) * | 2010-07-23 | 2012-05-02 | 河南佰利联化学股份有限公司 | Novel crystallization method for recycling thermal-sensitive dissolving solution-containing medium |
CN102060335B (en) * | 2010-10-29 | 2012-12-05 | 华南理工大学 | Method for preparing ammonium ferrous sulfate from waste ferrous slag in sulfuric acid process titanium dioxide industry |
CN102556981B (en) * | 2010-12-24 | 2013-10-09 | 漯河市兴茂钛业有限公司 | Comprehensive utilization method for solid wastes and waste acid in production process of titanium dioxide |
CN102115206B (en) * | 2010-12-31 | 2012-06-06 | 谢善情 | Method for producing ferrous carbonate and sodium sulfate from waste acid generated during titanium dioxide production through sulfuric acid method |
CN112299491B (en) * | 2019-07-30 | 2023-01-24 | 中冶长天国际工程有限责任公司 | Method for synthesizing ferrous ammonium sulfite |
CN111847520A (en) * | 2020-08-07 | 2020-10-30 | 攀枝花学院 | Preparation method of ammonium ferrous sulfate |
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1997
- 1997-05-22 CN CN 97106429 patent/CN1114579C/en not_active Expired - Fee Related
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Publication number | Publication date |
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CN1200364A (en) | 1998-12-02 |
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Owner name: SHANGHAI COKING CO., LTD. Free format text: FORMER OWNER: SHANGHAI PACIFIC CHEMICAL CO., LTD. Effective date: 20030912 |
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C41 | Transfer of patent application or patent right or utility model | ||
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Owner name: SHANGHAI PACIFIC CHEMICAL CO., LTD. Free format text: FORMER NAME OR ADDRESS: TAIPINGYANG CHEMICAL (GROUP) CO., LTD., SHANGHAI |
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CP01 | Change in the name or title of a patent holder |
Address after: 200241 No. 4280 Wu Long Road, Shanghai Patentee after: Shanghai Pacific Chemical Co.,Ltd. Address before: 200241 No. 4280 Wu Long Road, Shanghai Patentee before: SHANGHAI TAIPINGYANG CHEMICAL (Group) Co.,Ltd. |
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TR01 | Transfer of patent right |
Effective date of registration: 20030912 Address after: 200241 No. 4280 Wu Long Road, Shanghai Patentee after: Shanghai Coking & Chemical Corp. Address before: 200241 No. 4280 Wu Long Road, Shanghai Patentee before: Shanghai Pacific Chemical Co.,Ltd. |
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