CN102115210B - 用硫酸法生产钛白粉所得废酸生产硝酸亚铁和硫酸钙的方法 - Google Patents
用硫酸法生产钛白粉所得废酸生产硝酸亚铁和硫酸钙的方法 Download PDFInfo
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- CN102115210B CN102115210B CN201010615474A CN201010615474A CN102115210B CN 102115210 B CN102115210 B CN 102115210B CN 201010615474 A CN201010615474 A CN 201010615474A CN 201010615474 A CN201010615474 A CN 201010615474A CN 102115210 B CN102115210 B CN 102115210B
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- CN
- China
- Prior art keywords
- ferrous
- nitrate
- calcium sulfate
- sulfuric acid
- sulfate
- 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.)
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- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 title claims abstract description 46
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 25
- 239000002253 acid Substances 0.000 title claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 title claims abstract description 18
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 title claims abstract description 15
- 229910002651 NO3 Inorganic materials 0.000 title claims abstract 11
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 title claims abstract 11
- 239000002699 waste material Substances 0.000 title abstract description 4
- 239000004408 titanium dioxide Substances 0.000 title abstract 3
- 235000003891 ferrous sulphate Nutrition 0.000 claims abstract description 14
- 239000011790 ferrous sulphate Substances 0.000 claims abstract description 14
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims abstract description 14
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims abstract description 14
- 238000006243 chemical reaction Methods 0.000 claims abstract description 5
- ZCCIPPOKBCJFDN-UHFFFAOYSA-N calcium nitrate Chemical compound [Ca+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ZCCIPPOKBCJFDN-UHFFFAOYSA-N 0.000 claims abstract 10
- 239000007788 liquid Substances 0.000 claims abstract 4
- 238000004821 distillation Methods 0.000 claims abstract 3
- 229910021506 iron(II) hydroxide Inorganic materials 0.000 claims abstract 3
- NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 claims abstract 3
- 235000010215 titanium dioxide Nutrition 0.000 claims description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 235000011132 calcium sulphate Nutrition 0.000 claims description 9
- MVFCKEFYUDZOCX-UHFFFAOYSA-N iron(2+);dinitrate Chemical compound [Fe+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MVFCKEFYUDZOCX-UHFFFAOYSA-N 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims 2
- 238000001914 filtration Methods 0.000 claims 2
- 238000001556 precipitation Methods 0.000 claims 2
- 229910052717 sulfur Inorganic materials 0.000 claims 2
- 239000011593 sulfur Substances 0.000 claims 2
- 239000001175 calcium sulphate Substances 0.000 claims 1
- 238000001816 cooling Methods 0.000 claims 1
- 238000002425 crystallisation Methods 0.000 claims 1
- 230000008021 deposition Effects 0.000 claims 1
- 238000001035 drying Methods 0.000 claims 1
- 229910052739 hydrogen Inorganic materials 0.000 claims 1
- 239000001257 hydrogen Substances 0.000 claims 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims 1
- 239000012535 impurity Substances 0.000 claims 1
- 238000010298 pulverizing process Methods 0.000 claims 1
- 238000003756 stirring Methods 0.000 claims 1
- 238000005406 washing Methods 0.000 claims 1
- 239000012295 chemical reaction liquid Substances 0.000 abstract 3
- 150000007513 acids Chemical class 0.000 abstract 2
- 239000000706 filtrate Substances 0.000 abstract 2
- 239000000047 product Substances 0.000 abstract 2
- 239000002244 precipitate Substances 0.000 abstract 1
- 239000010936 titanium Substances 0.000 description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 229910010413 TiO 2 Inorganic materials 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- -1 metals ions Chemical class 0.000 description 2
- 239000001038 titanium pigment Substances 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical group [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229940095054 ammoniac Drugs 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
Abstract
Description
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CN201010615474A CN102115210B (zh) | 2010-12-31 | 2010-12-31 | 用硫酸法生产钛白粉所得废酸生产硝酸亚铁和硫酸钙的方法 |
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CN201010615474A CN102115210B (zh) | 2010-12-31 | 2010-12-31 | 用硫酸法生产钛白粉所得废酸生产硝酸亚铁和硫酸钙的方法 |
Publications (2)
Publication Number | Publication Date |
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CN102115210A CN102115210A (zh) | 2011-07-06 |
CN102115210B true CN102115210B (zh) | 2012-10-17 |
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CN201010615474A Active CN102115210B (zh) | 2010-12-31 | 2010-12-31 | 用硫酸法生产钛白粉所得废酸生产硝酸亚铁和硫酸钙的方法 |
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6440377B1 (en) * | 1998-03-20 | 2002-08-27 | Bayer Aktiengesellschaft | Method for reprocessing waste acid resulting from TiO2 production |
CN1548363A (zh) * | 2003-05-13 | 2004-11-24 | 铜陵化工集团铜官山化工有限公司 | 一种用钛白废酸生产普钙的方法 |
-
2010
- 2010-12-31 CN CN201010615474A patent/CN102115210B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6440377B1 (en) * | 1998-03-20 | 2002-08-27 | Bayer Aktiengesellschaft | Method for reprocessing waste acid resulting from TiO2 production |
CN1548363A (zh) * | 2003-05-13 | 2004-11-24 | 铜陵化工集团铜官山化工有限公司 | 一种用钛白废酸生产普钙的方法 |
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