CN101891160A - Method for directly preparing sulfur trioxide and sulfuric acid from plaster - Google Patents
Method for directly preparing sulfur trioxide and sulfuric acid from plaster Download PDFInfo
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- CN101891160A CN101891160A CN 201010204318 CN201010204318A CN101891160A CN 101891160 A CN101891160 A CN 101891160A CN 201010204318 CN201010204318 CN 201010204318 CN 201010204318 A CN201010204318 A CN 201010204318A CN 101891160 A CN101891160 A CN 101891160A
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- gypsum
- sulphur trioxide
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- sulfuric acid
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Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2010102043183A CN101891160B (en) | 2010-06-21 | 2010-06-21 | Method for directly preparing sulfur trioxide and sulfuric acid from plaster |
Applications Claiming Priority (1)
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CN2010102043183A CN101891160B (en) | 2010-06-21 | 2010-06-21 | Method for directly preparing sulfur trioxide and sulfuric acid from plaster |
Publications (2)
Publication Number | Publication Date |
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CN101891160A true CN101891160A (en) | 2010-11-24 |
CN101891160B CN101891160B (en) | 2011-10-26 |
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CN2010102043183A Active CN101891160B (en) | 2010-06-21 | 2010-06-21 | Method for directly preparing sulfur trioxide and sulfuric acid from plaster |
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CN (1) | CN101891160B (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012003619A1 (en) * | 2010-07-05 | 2012-01-12 | Yin Xiaolin | Process for directly producing sulfur trioxide and sulfuric acid using gypsum as raw material |
CN102976285A (en) * | 2012-12-03 | 2013-03-20 | 华南师范大学 | Method for preparing sulfuric acid from desulfurized gypsum in secondary lead smelting process as raw material |
CN103508426A (en) * | 2013-01-03 | 2014-01-15 | 刘立文 | Equipment and process for producing sulfur trioxide by using gypsum |
CN105218063A (en) * | 2015-10-30 | 2016-01-06 | 武汉科技大学 | A kind of decomposing phosphogypsum prepares the method for lightweight Si-Ca brick and sulfuric acid |
CN105272110A (en) * | 2015-10-30 | 2016-01-27 | 武汉科技大学 | Method of preparing porous building blocks and sulphuric acid by decomposing phosphogypsum |
CN105272340A (en) * | 2015-10-30 | 2016-01-27 | 武汉科技大学 | Method of preparing siliceous and calcareous porous ceramsite and sulphuric acid by decomposing phosphogypsum |
CN111453702A (en) * | 2020-03-04 | 2020-07-28 | 西南科技大学 | Method for recovering sulfur in industrial byproduct calcium sulfide slag by fixed bed |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5049198A (en) * | 1988-06-10 | 1991-09-17 | Ribas Roger S | Calcium sulfate process for the coproduction of Portland cement clinker and concentrated sulfur dioxide adequate to manufacture sulfuric acid |
CN1775660A (en) * | 2005-11-18 | 2006-05-24 | 四川省犍为明丰化工有限公司 | Method for producing sulfuric acid utilizing phosphogypsum slag |
CN101041439A (en) * | 2007-03-01 | 2007-09-26 | 武汉理工大学 | Method for preparing grammite and sulfuric acid by employing waste slag phosphogypsum |
-
2010
- 2010-06-21 CN CN2010102043183A patent/CN101891160B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5049198A (en) * | 1988-06-10 | 1991-09-17 | Ribas Roger S | Calcium sulfate process for the coproduction of Portland cement clinker and concentrated sulfur dioxide adequate to manufacture sulfuric acid |
CN1775660A (en) * | 2005-11-18 | 2006-05-24 | 四川省犍为明丰化工有限公司 | Method for producing sulfuric acid utilizing phosphogypsum slag |
CN101041439A (en) * | 2007-03-01 | 2007-09-26 | 武汉理工大学 | Method for preparing grammite and sulfuric acid by employing waste slag phosphogypsum |
Non-Patent Citations (1)
Title |
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《岩石矿物学杂志》 20051130 梅林等 氧化物及复合添加剂对硫酸钙高温稳定性的影响 587-590 1-7 第24卷, 第6期 2 * |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012003619A1 (en) * | 2010-07-05 | 2012-01-12 | Yin Xiaolin | Process for directly producing sulfur trioxide and sulfuric acid using gypsum as raw material |
US8623319B2 (en) | 2010-07-05 | 2014-01-07 | Xiaolin Yin | Process for directly producing sulfur trioxide and sulfuric acid using gypsum as raw material |
CN102976285A (en) * | 2012-12-03 | 2013-03-20 | 华南师范大学 | Method for preparing sulfuric acid from desulfurized gypsum in secondary lead smelting process as raw material |
CN102976285B (en) * | 2012-12-03 | 2014-11-19 | 华南师范大学 | Method for preparing sulfuric acid from desulfurized gypsum in secondary lead smelting process as raw material |
CN103508426A (en) * | 2013-01-03 | 2014-01-15 | 刘立文 | Equipment and process for producing sulfur trioxide by using gypsum |
CN105218063A (en) * | 2015-10-30 | 2016-01-06 | 武汉科技大学 | A kind of decomposing phosphogypsum prepares the method for lightweight Si-Ca brick and sulfuric acid |
CN105272110A (en) * | 2015-10-30 | 2016-01-27 | 武汉科技大学 | Method of preparing porous building blocks and sulphuric acid by decomposing phosphogypsum |
CN105272340A (en) * | 2015-10-30 | 2016-01-27 | 武汉科技大学 | Method of preparing siliceous and calcareous porous ceramsite and sulphuric acid by decomposing phosphogypsum |
CN105218063B (en) * | 2015-10-30 | 2017-07-11 | 武汉科技大学 | A kind of method that decomposing phosphogypsum prepares lightweight Si-Ca brick and sulfuric acid |
CN111453702A (en) * | 2020-03-04 | 2020-07-28 | 西南科技大学 | Method for recovering sulfur in industrial byproduct calcium sulfide slag by fixed bed |
CN111453702B (en) * | 2020-03-04 | 2022-03-04 | 西南科技大学 | Method for recovering sulfur in industrial byproduct calcium sulfide slag by fixed bed |
Also Published As
Publication number | Publication date |
---|---|
CN101891160B (en) | 2011-10-26 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: CHANGSHA ZICHEN TECHNOLOGY DEVELOPMENT CO., LTD. Assignor: Yin Xiaolin Contract record no.: 2012430000098 Denomination of invention: Method for directly preparing sulfur trioxide and sulfuric acid from plaster Granted publication date: 20111026 License type: Exclusive License Open date: 20101124 Record date: 20120521 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20161201 Address after: 410000 Hunan province Changsha Wenxuan High-tech Development Zone, Road No. 27 Lu Valley Yuyuan D District 3 building 101 floor, No. two Patentee after: CHANGSHA ZICHEN TECHNOLOGY DEVELOPMENT CO., LTD. Address before: 410013 C2 group, Binjiang hi tech Development Zone, Hunan, Changsha, five floor, Silicon Valley building Patentee before: Yin Xiaolin |