CN1513766A - Techlogogy for making alpha semi-water desulfur gypsum using normal pressure salt solution method - Google Patents
Techlogogy for making alpha semi-water desulfur gypsum using normal pressure salt solution method Download PDFInfo
- Publication number
- CN1513766A CN1513766A CNA031426077A CN03142607A CN1513766A CN 1513766 A CN1513766 A CN 1513766A CN A031426077 A CNA031426077 A CN A031426077A CN 03142607 A CN03142607 A CN 03142607A CN 1513766 A CN1513766 A CN 1513766A
- Authority
- CN
- China
- Prior art keywords
- slurries
- tank
- desulfurated plaster
- normal pressure
- gypsum
- 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
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 229910052602 gypsum Inorganic materials 0.000 title abstract description 72
- 239000010440 gypsum Substances 0.000 title abstract description 72
- 238000000034 method Methods 0.000 title abstract description 52
- 239000012266 salt solution Substances 0.000 title abstract 4
- 239000002002 slurry Substances 0.000 claims abstract description 149
- 238000005406 washing Methods 0.000 claims abstract description 30
- 239000007788 liquid Substances 0.000 claims abstract description 18
- 238000000926 separation method Methods 0.000 claims abstract description 18
- GBAOBIBJACZTNA-UHFFFAOYSA-L calcium sulfite Chemical compound [Ca+2].[O-]S([O-])=O GBAOBIBJACZTNA-UHFFFAOYSA-L 0.000 claims abstract description 8
- 235000010261 calcium sulphite Nutrition 0.000 claims abstract description 7
- 238000001035 drying Methods 0.000 claims abstract description 4
- 230000008719 thickening Effects 0.000 claims abstract description 3
- 230000003647 oxidation Effects 0.000 claims description 88
- 238000007254 oxidation reaction Methods 0.000 claims description 88
- 239000011505 plaster Substances 0.000 claims description 46
- 239000013078 crystal Substances 0.000 claims description 43
- 238000002425 crystallisation Methods 0.000 claims description 34
- 230000008025 crystallization Effects 0.000 claims description 33
- 239000003795 chemical substances by application Substances 0.000 claims description 32
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 28
- 238000005516 engineering process Methods 0.000 claims description 28
- 239000003546 flue gas Substances 0.000 claims description 28
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 24
- 150000003839 salts Chemical class 0.000 claims description 22
- 239000002562 thickening agent Substances 0.000 claims description 19
- 239000000203 mixture Substances 0.000 claims description 15
- VBICKXHEKHSIBG-UHFFFAOYSA-N 1-monostearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(O)CO VBICKXHEKHSIBG-UHFFFAOYSA-N 0.000 claims description 14
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 claims description 13
- 239000000243 solution Substances 0.000 claims description 11
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 7
- 229940075507 glyceryl monostearate Drugs 0.000 claims description 7
- 239000001788 mono and diglycerides of fatty acids Substances 0.000 claims description 7
- 239000011593 sulfur Substances 0.000 claims description 7
- 229910052717 sulfur Inorganic materials 0.000 claims description 7
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 claims description 5
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 claims description 5
- 238000012856 packing Methods 0.000 claims description 4
- 238000001556 precipitation Methods 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 3
- 239000013543 active substance Substances 0.000 claims description 3
- 239000012141 concentrate Substances 0.000 claims description 3
- 239000006200 vaporizer Substances 0.000 claims description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 2
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 2
- 239000007864 aqueous solution Substances 0.000 claims description 2
- 229910052728 basic metal Inorganic materials 0.000 claims description 2
- 150000003818 basic metals Chemical class 0.000 claims description 2
- 230000005484 gravity Effects 0.000 claims description 2
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 claims 1
- 230000008676 import Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000003009 desulfurizing effect Effects 0.000 abstract 1
- 239000003517 fume Substances 0.000 abstract 1
- 230000001590 oxidative effect Effects 0.000 abstract 1
- 230000008569 process Effects 0.000 description 22
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 20
- 230000004048 modification Effects 0.000 description 17
- 238000012986 modification Methods 0.000 description 17
- 238000012544 monitoring process Methods 0.000 description 15
- 210000002966 serum Anatomy 0.000 description 15
- 239000007787 solid Substances 0.000 description 15
- 238000010792 warming Methods 0.000 description 15
- 238000000605 extraction Methods 0.000 description 14
- 238000006477 desulfuration reaction Methods 0.000 description 10
- 230000023556 desulfurization Effects 0.000 description 10
- 235000011187 glycerol Nutrition 0.000 description 10
- 239000004575 stone Substances 0.000 description 9
- 239000001384 succinic acid Substances 0.000 description 6
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 150000004683 dihydrates Chemical class 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- ZOMBKNNSYQHRCA-UHFFFAOYSA-J calcium sulfate hemihydrate Chemical compound O.[Ca+2].[Ca+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZOMBKNNSYQHRCA-UHFFFAOYSA-J 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000011507 gypsum plaster Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000006210 lotion Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011020 pilot scale process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB031426077A CN100382873C (en) | 2003-06-06 | 2003-06-06 | Techlogogy for making alpha semi-water desulfur gypsum using normal pressure salt solution method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB031426077A CN100382873C (en) | 2003-06-06 | 2003-06-06 | Techlogogy for making alpha semi-water desulfur gypsum using normal pressure salt solution method |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1513766A true CN1513766A (en) | 2004-07-21 |
CN100382873C CN100382873C (en) | 2008-04-23 |
Family
ID=34240366
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB031426077A Expired - Lifetime CN100382873C (en) | 2003-06-06 | 2003-06-06 | Techlogogy for making alpha semi-water desulfur gypsum using normal pressure salt solution method |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN100382873C (en) |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1325419C (en) * | 2005-12-19 | 2007-07-11 | 北京朗新明环保科技有限公司 | Dehydration method and apparatus of flue gas desulfurization gypsum slurry |
CN100371279C (en) * | 2006-06-06 | 2008-02-27 | 宁夏建筑材料研究院 | Method for producing alpha semi-hydrated gypsum in high intensity, and low expansion |
CN102173621A (en) * | 2011-01-31 | 2011-09-07 | 上海市建筑科学研究院(集团)有限公司 | Short column-shaped high-strength desulfurized alpha-gypsum |
CN102432211A (en) * | 2011-12-26 | 2012-05-02 | 浙江天蓝环保技术股份有限公司 | Method for preparing desulfurized gypsum |
CN102527196A (en) * | 2012-02-13 | 2012-07-04 | 浙江天蓝环保技术股份有限公司 | Process for improving quality of phosphorus chemical industry waste smoke desulfurization gypsum |
CN105152614A (en) * | 2015-08-03 | 2015-12-16 | 湖南安雅达建材科技有限公司 | Ultrastrong gypsum material-ceramic stone and preparation method thereof |
CN105776303A (en) * | 2016-01-30 | 2016-07-20 | 瓮福(集团)有限责任公司 | Production method of alpha-hemihydrate gypsum |
CN106517291A (en) * | 2016-10-20 | 2017-03-22 | 武汉理工大学 | Method for producing high strength gypsum from paper making white mud |
CN109280979A (en) * | 2017-07-19 | 2019-01-29 | 北新集团建材股份有限公司 | A method of preparing semi-hydrated gypsum whisker |
CN109280959A (en) * | 2017-07-19 | 2019-01-29 | 北新集团建材股份有限公司 | A method of semi-hydrated gypsum fiber is prepared by desulfurized gypsum |
CN109734118A (en) * | 2018-08-15 | 2019-05-10 | 长沙湘朴科技有限公司 | A kind of Phosphogypsum-modifymethod method for beneficiation wastewater processing |
CN111187016A (en) * | 2020-01-15 | 2020-05-22 | 浙江天蓝环保技术股份有限公司 | System and process for preparing high-strength α -semi-hydrated gypsum from desulfurized gypsum and product thereof |
CN114920277A (en) * | 2022-05-07 | 2022-08-19 | 昆明理工大学 | Method and device for preparing alpha-semi-hydrated gypsum by dry desulphurization slag elution crystallization |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102992375B (en) * | 2011-09-15 | 2014-12-24 | 北京朗新明环保科技有限公司 | Alpha type ultra-high strength gypsum preparation method |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5140399A (en) * | 1974-10-03 | 1976-04-05 | Taki Chemical | Aryusankarushiumuno shorihoho |
US5312609A (en) * | 1992-12-31 | 1994-05-17 | Dravo Lime Company | Method of sulfur dioxide removal from gaseous streams with α-hemihydrate gypsum product formation |
US6197200B1 (en) * | 1999-05-11 | 2001-03-06 | Eastroc Llc | Method of purifying flue gas waste slurries for use in gypsum production |
US6254843B1 (en) * | 1999-11-19 | 2001-07-03 | Marsulex Environmental Technologies, Llc | Process for the reclamation of calcium sulfite produced by a calcium-based FGD system |
-
2003
- 2003-06-06 CN CNB031426077A patent/CN100382873C/en not_active Expired - Lifetime
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1325419C (en) * | 2005-12-19 | 2007-07-11 | 北京朗新明环保科技有限公司 | Dehydration method and apparatus of flue gas desulfurization gypsum slurry |
CN100371279C (en) * | 2006-06-06 | 2008-02-27 | 宁夏建筑材料研究院 | Method for producing alpha semi-hydrated gypsum in high intensity, and low expansion |
CN102173621A (en) * | 2011-01-31 | 2011-09-07 | 上海市建筑科学研究院(集团)有限公司 | Short column-shaped high-strength desulfurized alpha-gypsum |
CN102173621B (en) * | 2011-01-31 | 2013-05-08 | 上海市建筑科学研究院(集团)有限公司 | Short column-shaped high-strength desulfurized alpha-gypsum |
CN102432211A (en) * | 2011-12-26 | 2012-05-02 | 浙江天蓝环保技术股份有限公司 | Method for preparing desulfurized gypsum |
CN102527196A (en) * | 2012-02-13 | 2012-07-04 | 浙江天蓝环保技术股份有限公司 | Process for improving quality of phosphorus chemical industry waste smoke desulfurization gypsum |
CN105152614B (en) * | 2015-08-03 | 2018-03-13 | 湖南安雅达建材科技有限公司 | A kind of superpower gypsum material porcelain skill stone and preparation method thereof |
CN105152614A (en) * | 2015-08-03 | 2015-12-16 | 湖南安雅达建材科技有限公司 | Ultrastrong gypsum material-ceramic stone and preparation method thereof |
CN105776303A (en) * | 2016-01-30 | 2016-07-20 | 瓮福(集团)有限责任公司 | Production method of alpha-hemihydrate gypsum |
CN106517291A (en) * | 2016-10-20 | 2017-03-22 | 武汉理工大学 | Method for producing high strength gypsum from paper making white mud |
CN109280979A (en) * | 2017-07-19 | 2019-01-29 | 北新集团建材股份有限公司 | A method of preparing semi-hydrated gypsum whisker |
CN109280959A (en) * | 2017-07-19 | 2019-01-29 | 北新集团建材股份有限公司 | A method of semi-hydrated gypsum fiber is prepared by desulfurized gypsum |
CN109734118A (en) * | 2018-08-15 | 2019-05-10 | 长沙湘朴科技有限公司 | A kind of Phosphogypsum-modifymethod method for beneficiation wastewater processing |
CN111187016A (en) * | 2020-01-15 | 2020-05-22 | 浙江天蓝环保技术股份有限公司 | System and process for preparing high-strength α -semi-hydrated gypsum from desulfurized gypsum and product thereof |
CN111187016B (en) * | 2020-01-15 | 2022-04-29 | 浙江天蓝环保技术股份有限公司 | System and process for preparing high-strength alpha-semi-hydrated gypsum from desulfurized gypsum and product thereof |
CN114920277A (en) * | 2022-05-07 | 2022-08-19 | 昆明理工大学 | Method and device for preparing alpha-semi-hydrated gypsum by dry desulphurization slag elution crystallization |
Also Published As
Publication number | Publication date |
---|---|
CN100382873C (en) | 2008-04-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR102093004B1 (en) | Method for comprehensive recovery of magnesium-containing smelting wastewater | |
CN1513766A (en) | Techlogogy for making alpha semi-water desulfur gypsum using normal pressure salt solution method | |
CN109095732B (en) | Process for preparing high-purity magnesium hydroxide based on magnesium-method desulfurization wastewater | |
CN1618997A (en) | Method for combined extraction of magnesium and lithium from salt lake brine | |
CN101020182A (en) | Process of comprehensively utilizing caustic sludge from papermaking industry | |
CN1314628C (en) | Low temperature decomposition method for potassium feldspar | |
CN101823822A (en) | Method for treating waste brine sludge of soda by hydrochloric acid | |
CN113477670A (en) | Carbon neutralization-based household garbage incineration fly ash resource utilization process | |
CN101182079A (en) | Citric acid mother liquor treatment process | |
CN112830505A (en) | Method for purifying salt mother liquor slurry by flue gas method | |
CN112520761A (en) | System and method for high-efficiency recycling of flue gas desulfurization by magnesium method | |
EP2139831A2 (en) | Method for the purification of biogas, and biogas produced using said method | |
CN1128760C (en) | Method for preparing potassium sulfate by using sulfate type potassium-containing bittern | |
CN1027883C (en) | Pren. method of potassium sulfate from bittern and potassium chloride | |
CN1686816A (en) | Method for multipurpose use of material of acid split phosphate ore and associated production of high purified microsphere nano calcium carbonate | |
CN101941783B (en) | Method for washing carbon for removing sodium from silicon-removed alkaline residues of coal ash or basic red mud after process of extracting Al2O3 | |
CN102671523A (en) | Method for fixing light calcium carbonate as CO2 byproduct by using humate and desulfurization gypsum | |
CN114477816B (en) | Phosphogypsum and byproduct full-cycle comprehensive utilization integrated complete production line thereof | |
CN107459176B (en) | Harmless treatment process for salt-containing wastewater near-zero discharge crystallization mother liquor | |
CN105271290A (en) | Method for preparing analcite through high-alumina fly ash | |
CN1392109A (en) | Process for coproducing electrisity, aluminium and cement by comprehesively using gangue | |
CN1810993A (en) | Efficient lime clarifier for sugar solution and its prepn and use | |
CN1245331C (en) | Process for preparing alpha-semi-hydrated gypsum from modified gypsum at normal pressure | |
CN209338137U (en) | A kind of system using desulfurization wastewater preparing magnesium hydroxide | |
CN1014695B (en) | Process for producing safety powder by zinc method and method for recovering sodium sulfite and common salt from waste liguor |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
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 | ||
ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: ZHEJIANG TIANLAN ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD. WU ZHONGBIAO Owner name: ZHEJIANG TIANLAN ENVIRONMENTAL PROTECTION TECHNOLO Free format text: FORMER OWNER: ZHEJIANG UNIVERSITY Effective date: 20110317 |
|
C41 | Transfer of patent application or patent right or utility model | ||
C56 | Change in the name or address of the patentee | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 310027 NO. 38, ZHEDA ROAD, HANGZHOU CITY, ZHEJIANG PROVINCE TO: 311202 XINGYI VILLAGE, BEIGAN SUBDISTRICT, XIAOSHAN DISTRICT, HANGZHOU CITY, ZHEJIANG PROVINCE |
|
CP01 | Change in the name or title of a patent holder |
Address after: 310027 Hangzhou, Zhejiang Province, Zhejiang Road, No. 38 Co-patentee after: ZHEJIANG TIANLAN ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Patentee after: ZHEJIANG University Co-patentee after: Wu Zhongbiao Address before: 310027 Hangzhou, Zhejiang Province, Zhejiang Road, No. 38 Co-patentee before: Zhejiang Tianlan Desulphurization & Dust-Removal Co.,Ltd. Patentee before: Zhejiang University Co-patentee before: Wu Zhongbiao |
|
TR01 | Transfer of patent right |
Effective date of registration: 20110317 Address after: Hangzhou City, Zhejiang province Xiaoshan District 311202 North Street Xingyi Village Patentee after: ZHEJIANG TIANLAN ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Address before: 310027 Hangzhou, Zhejiang Province, Zhejiang Road, No. 38 Co-patentee before: ZHEJIANG TIANLAN ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Patentee before: Zhejiang University Co-patentee before: Wu Zhongbiao |
|
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: Hangzhou City, Zhejiang province Xiaoshan District 311202 North Street Xingyi Village Patentee after: ZHEJIANG TIANLAN ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Address before: Hangzhou City, Zhejiang province Xiaoshan District 311202 North Street Xingyi Village Patentee before: ZHEJIANG TIANLAN ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. |
|
CX01 | Expiry of patent term |
Granted publication date: 20080423 |
|
CX01 | Expiry of patent term |