CN1066132C - 用过磷酸酸化甲酸钠生产甲酸联产各种磷酸盐的方法 - Google Patents
用过磷酸酸化甲酸钠生产甲酸联产各种磷酸盐的方法 Download PDFInfo
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- CN1066132C CN1066132C CN97103209A CN97103209A CN1066132C CN 1066132 C CN1066132 C CN 1066132C CN 97103209 A CN97103209 A CN 97103209A CN 97103209 A CN97103209 A CN 97103209A CN 1066132 C CN1066132 C CN 1066132C
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- acid
- formic acid
- sodium
- formate
- acidifying
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN97103209A CN1066132C (zh) | 1997-03-18 | 1997-03-18 | 用过磷酸酸化甲酸钠生产甲酸联产各种磷酸盐的方法 |
Applications Claiming Priority (1)
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CN97103209A CN1066132C (zh) | 1997-03-18 | 1997-03-18 | 用过磷酸酸化甲酸钠生产甲酸联产各种磷酸盐的方法 |
Publications (2)
Publication Number | Publication Date |
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CN1179413A CN1179413A (zh) | 1998-04-22 |
CN1066132C true CN1066132C (zh) | 2001-05-23 |
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CN97103209A Expired - Lifetime CN1066132C (zh) | 1997-03-18 | 1997-03-18 | 用过磷酸酸化甲酸钠生产甲酸联产各种磷酸盐的方法 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100540520C (zh) * | 2007-08-24 | 2009-09-16 | 宜宾天原集团股份有限公司 | 用萃取磷酸和甲酸钠制备甲酸的方法 |
CN101475463B (zh) * | 2009-01-21 | 2011-09-21 | 曹勇 | 甲酸钙和过磷酸反应联产高纯甲酸和磷酸二氢钙的方法 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101362682B (zh) * | 2008-09-23 | 2011-02-09 | 余华强 | 用过磷酸和甲酸钠生产甲酸联产磷酸钠盐的方法 |
CN101665423B (zh) * | 2009-08-11 | 2012-11-21 | 绵阳启明星磷化工有限公司 | 一种用磷酸酸化甲酸钾制备甲酸的方法 |
CN102951625A (zh) * | 2011-08-25 | 2013-03-06 | 贵州省惠水磷酸盐厂 | 焦磷酸钠制备技术 |
CN105084335B (zh) * | 2014-05-12 | 2017-04-12 | 天津市碳一有机合成工程设计有限公司 | 生产磷酸二氢钾联产二甲酸钾的方法 |
CN106241767A (zh) * | 2016-08-29 | 2016-12-21 | 武汉东晟捷能科技有限公司 | 一种制备磷酸二氢钾的方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1049013A (en) * | 1964-04-03 | 1966-11-23 | Skanska Attikfabriken Ab | Process and apparatus for the manufacture of formic acid |
DE3137356A1 (de) * | 1981-09-19 | 1983-04-07 | Davy McKee AG, 6000 Frankfurt | Verfahren zur herstellung von ameisensaeure |
-
1997
- 1997-03-18 CN CN97103209A patent/CN1066132C/zh not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1049013A (en) * | 1964-04-03 | 1966-11-23 | Skanska Attikfabriken Ab | Process and apparatus for the manufacture of formic acid |
DE3137356A1 (de) * | 1981-09-19 | 1983-04-07 | Davy McKee AG, 6000 Frankfurt | Verfahren zur herstellung von ameisensaeure |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100540520C (zh) * | 2007-08-24 | 2009-09-16 | 宜宾天原集团股份有限公司 | 用萃取磷酸和甲酸钠制备甲酸的方法 |
CN101475463B (zh) * | 2009-01-21 | 2011-09-21 | 曹勇 | 甲酸钙和过磷酸反应联产高纯甲酸和磷酸二氢钙的方法 |
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Publication number | Publication date |
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CN1179413A (zh) | 1998-04-22 |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: HUISHUI YUYANG PHOSPHORUS CHEMICAL CO., LTD., GUI Free format text: FORMER OWNER: GUIZHOU PHOSPHATE PLANT Effective date: 20060915 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20060915 Address after: 550600 Heping Town, Huishui County, Guizhou Patentee after: Huishui Guizhou Yuyang Phosphorus Chemical Co., Ltd. Address before: 550018 Guiyang Bay Guizhou phosphate factory, Guizhou, China Patentee before: Guizhou Phosphate Plant |
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ASS | Succession or assignment of patent right |
Owner name: CHONGQING CHUANDONG CHEMICAL ENGINEERING ( GROUP Free format text: FORMER OWNER: HUISHUI YUYANG PHOSPHORUS CHEMICAL CO., LTD., GUIZHOU PROVINCE Effective date: 20071019 |
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Effective date of registration: 20071019 Address after: 400061 No. 70 marble stone street, Nan'an District, Chongqing Patentee after: Chongqing Chuan Dong chemical industry (group) company limited Address before: 550600 Heping Town, Huishui County, Guizhou Patentee before: Huishui Guizhou Yuyang Phosphorus Chemical Co., Ltd. |
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CX01 | Expiry of patent term |
Granted publication date: 20010523 |
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