CN102897991B - 一种不锈钢污泥的脱水方法 - Google Patents
一种不锈钢污泥的脱水方法 Download PDFInfo
- Publication number
- CN102897991B CN102897991B CN 201210393677 CN201210393677A CN102897991B CN 102897991 B CN102897991 B CN 102897991B CN 201210393677 CN201210393677 CN 201210393677 CN 201210393677 A CN201210393677 A CN 201210393677A CN 102897991 B CN102897991 B CN 102897991B
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- CN
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- Prior art keywords
- stainless steel
- sludge
- steel sludge
- dewatering
- mud
- 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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- 239000010802 sludge Substances 0.000 title claims abstract description 58
- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 50
- 239000010935 stainless steel Substances 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 title abstract description 14
- 229920002401 polyacrylamide Polymers 0.000 claims abstract description 20
- 239000001506 calcium phosphate Substances 0.000 claims abstract description 11
- 229910000389 calcium phosphate Inorganic materials 0.000 claims abstract description 11
- 235000011010 calcium phosphates Nutrition 0.000 claims abstract description 11
- GVALZJMUIHGIMD-UHFFFAOYSA-H magnesium phosphate Chemical compound [Mg+2].[Mg+2].[Mg+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O GVALZJMUIHGIMD-UHFFFAOYSA-H 0.000 claims abstract description 11
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 claims abstract description 11
- 238000006243 chemical reaction Methods 0.000 claims abstract description 9
- 238000003756 stirring Methods 0.000 claims abstract description 9
- 238000003825 pressing Methods 0.000 claims abstract description 7
- 239000007787 solid Substances 0.000 claims abstract description 7
- 239000000203 mixture Substances 0.000 claims abstract description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 12
- 230000018044 dehydration Effects 0.000 claims description 10
- 238000006297 dehydration reaction Methods 0.000 claims description 10
- 229910000400 magnesium phosphate tribasic Inorganic materials 0.000 claims description 9
- 238000009854 hydrometallurgy Methods 0.000 claims description 7
- 239000012467 final product Substances 0.000 claims description 5
- 230000002349 favourable effect Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 239000004137 magnesium phosphate Substances 0.000 abstract 2
- 229910000157 magnesium phosphate Inorganic materials 0.000 abstract 2
- 229960002261 magnesium phosphate Drugs 0.000 abstract 2
- 235000010994 magnesium phosphates Nutrition 0.000 abstract 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 1
- 238000003723 Smelting Methods 0.000 abstract 1
- 229910052739 hydrogen Inorganic materials 0.000 abstract 1
- 239000001257 hydrogen Substances 0.000 abstract 1
- 238000003672 processing method Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 11
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 8
- 229910001385 heavy metal Inorganic materials 0.000 description 6
- 238000001914 filtration Methods 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 229910052759 nickel Inorganic materials 0.000 description 4
- 238000005097 cold rolling Methods 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 239000004615 ingredient Substances 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 3
- 239000011236 particulate material Substances 0.000 description 3
- 230000035484 reaction time Effects 0.000 description 3
- 239000010801 sewage sludge Substances 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000005496 tempering Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 1
- 229910001634 calcium fluoride Inorganic materials 0.000 description 1
- 159000000007 calcium salts Chemical class 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 230000001089 mineralizing effect Effects 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
Landscapes
- Treatment Of Sludge (AREA)
Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 201210393677 CN102897991B (zh) | 2012-10-17 | 2012-10-17 | 一种不锈钢污泥的脱水方法 |
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CN 201210393677 CN102897991B (zh) | 2012-10-17 | 2012-10-17 | 一种不锈钢污泥的脱水方法 |
Publications (2)
Publication Number | Publication Date |
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CN102897991A CN102897991A (zh) | 2013-01-30 |
CN102897991B true CN102897991B (zh) | 2013-09-18 |
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CN 201210393677 Expired - Fee Related CN102897991B (zh) | 2012-10-17 | 2012-10-17 | 一种不锈钢污泥的脱水方法 |
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CN (1) | CN102897991B (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106830621B (zh) * | 2017-02-27 | 2021-01-01 | 河海大学 | 一种复合污泥脱水剂及其制备方法和应用 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101618892A (zh) * | 2009-07-31 | 2010-01-06 | 东南大学 | 不锈钢酸洗废水污泥中重金属的回收及综合利用方法 |
CN101863516A (zh) * | 2010-05-26 | 2010-10-20 | 松阳县环境监测站 | 不锈钢酸洗废水污泥中含铬镍铁氧体的回收方法 |
CN102284464A (zh) * | 2010-12-28 | 2011-12-21 | 陈启松 | 不锈钢酸洗残渣的无害化处置方法 |
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2012
- 2012-10-17 CN CN 201210393677 patent/CN102897991B/zh not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101618892A (zh) * | 2009-07-31 | 2010-01-06 | 东南大学 | 不锈钢酸洗废水污泥中重金属的回收及综合利用方法 |
CN101863516A (zh) * | 2010-05-26 | 2010-10-20 | 松阳县环境监测站 | 不锈钢酸洗废水污泥中含铬镍铁氧体的回收方法 |
CN102284464A (zh) * | 2010-12-28 | 2011-12-21 | 陈启松 | 不锈钢酸洗残渣的无害化处置方法 |
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Owner name: SONGYANG COUNTY ZHONGQI ENVIRONMENTAL ENGINEERING Free format text: FORMER OWNER: CHEN QISONG Effective date: 20150715 |
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Effective date of registration: 20150715 Address after: 323400 Songyang County Industrial Park, Zhejiang, Lishui Patentee after: Songyang County Zhong Qi Genie et Environnement Address before: 310030, Zhejiang, Xihu District, West Lake science and Technology Park, Zhenhua West Road, Hong Kong, 8 New Territories, block E, 601, Hangzhou Patentee before: Chen Qisong |
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Effective date of registration: 20171114 Address after: Hangzhou City, Zhejiang province Xihu District 310024 North building 14, unit 4, Jia Garden Room 501 Patentee after: Chen Yuqing Address before: 323400 Songyang County Industrial Park, Zhejiang, Lishui Patentee before: Songyang County Zhong Qi Genie et Environnement |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130918 Termination date: 20201017 |
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CF01 | Termination of patent right due to non-payment of annual fee |