CN109626443B - 一种含铬酸洗污泥资源化利用的方法 - Google Patents
一种含铬酸洗污泥资源化利用的方法 Download PDFInfo
- Publication number
- CN109626443B CN109626443B CN201811545132.7A CN201811545132A CN109626443B CN 109626443 B CN109626443 B CN 109626443B CN 201811545132 A CN201811545132 A CN 201811545132A CN 109626443 B CN109626443 B CN 109626443B
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- CN
- China
- Prior art keywords
- chromium
- sludge
- iron
- acid
- washing
- Prior art date
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- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 title claims abstract description 89
- 229910052804 chromium Inorganic materials 0.000 title claims abstract description 89
- 239000011651 chromium Substances 0.000 title claims abstract description 89
- 239000010802 sludge Substances 0.000 title claims abstract description 73
- 238000005406 washing Methods 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims abstract description 42
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 123
- 229910052742 iron Inorganic materials 0.000 claims abstract description 61
- 229910021578 Iron(III) chloride Inorganic materials 0.000 claims abstract description 39
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000000706 filtrate Substances 0.000 claims abstract description 22
- 239000012629 purifying agent Substances 0.000 claims abstract description 21
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 17
- 230000003647 oxidation Effects 0.000 claims abstract description 16
- 239000007788 liquid Substances 0.000 claims abstract description 15
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 38
- 239000012065 filter cake Substances 0.000 claims description 25
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 18
- 239000002002 slurry Substances 0.000 claims description 17
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 238000011084 recovery Methods 0.000 claims description 7
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 4
- 230000035484 reaction time Effects 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 2
- 238000001035 drying Methods 0.000 claims 1
- 238000005554 pickling Methods 0.000 abstract description 23
- 239000002253 acid Substances 0.000 abstract description 15
- 238000004064 recycling Methods 0.000 abstract description 7
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 abstract description 6
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 4
- 238000000926 separation method Methods 0.000 abstract description 3
- 241000950638 Symphysodon discus Species 0.000 abstract 1
- UPHIPHFJVNKLMR-UHFFFAOYSA-N chromium iron Chemical compound [Cr].[Fe] UPHIPHFJVNKLMR-UHFFFAOYSA-N 0.000 abstract 1
- HOQADATXFBOEGG-UHFFFAOYSA-N isofenphos Chemical compound CCOP(=S)(NC(C)C)OC1=CC=CC=C1C(=O)OC(C)C HOQADATXFBOEGG-UHFFFAOYSA-N 0.000 abstract 1
- 238000004065 wastewater treatment Methods 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 22
- 239000002699 waste material Substances 0.000 description 9
- PXLIDIMHPNPGMH-UHFFFAOYSA-N sodium chromate Chemical compound [Na+].[Na+].[O-][Cr]([O-])(=O)=O PXLIDIMHPNPGMH-UHFFFAOYSA-N 0.000 description 8
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 7
- 239000013078 crystal Substances 0.000 description 7
- 239000007787 solid Substances 0.000 description 7
- 238000004090 dissolution Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 238000001514 detection method Methods 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 229910000859 α-Fe Inorganic materials 0.000 description 5
- 229910001430 chromium ion Inorganic materials 0.000 description 4
- 238000003912 environmental pollution Methods 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 239000002351 wastewater Substances 0.000 description 4
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 3
- 235000011941 Tilia x europaea Nutrition 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- -1 iron ions Chemical class 0.000 description 3
- 239000004571 lime Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 229910000029 sodium carbonate Inorganic materials 0.000 description 3
- 235000017550 sodium carbonate Nutrition 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000011449 brick Substances 0.000 description 2
- 239000004566 building material Substances 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002920 hazardous waste Substances 0.000 description 2
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000002910 solid waste Substances 0.000 description 2
- 239000012086 standard solution Substances 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- 238000004448 titration Methods 0.000 description 2
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 1
- 206010064147 Gastrointestinal inflammation Diseases 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 241000722088 Synanceia Species 0.000 description 1
- 238000001479 atomic absorption spectroscopy Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002308 calcification Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 description 1
- 235000019345 sodium thiosulphate Nutrition 0.000 description 1
- 238000004927 wastewater treatment sludge Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/10—Halides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G37/00—Compounds of chromium
- C01G37/14—Chromates; Bichromates
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Treatment Of Sludge (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
Description
Claims (7)
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CN201811545132.7A CN109626443B (zh) | 2018-12-17 | 2018-12-17 | 一种含铬酸洗污泥资源化利用的方法 |
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CN201811545132.7A CN109626443B (zh) | 2018-12-17 | 2018-12-17 | 一种含铬酸洗污泥资源化利用的方法 |
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CN109626443A CN109626443A (zh) | 2019-04-16 |
CN109626443B true CN109626443B (zh) | 2021-08-06 |
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CN113998741A (zh) * | 2021-11-12 | 2022-02-01 | 单淼 | 一种以废旧铁皮为原料制备铁基电极材料的方法 |
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CN101570372B (zh) * | 2009-05-05 | 2011-06-08 | 中国科学院长春应用化学研究所 | 一种电镀废水净化、资源综合利用的方法 |
CN101618892B (zh) * | 2009-07-31 | 2011-06-08 | 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 |
CN101643243B (zh) * | 2009-08-14 | 2014-01-15 | 扬州宁达贵金属有限公司 | 从电镀污泥中回收铜、镍、铬、锌、铁的方法 |
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Address after: 213119 west side of Chaoyang Road, Hengshan Bridge Town, Wujin District, Changzhou, Jiangsu, China Patentee after: JIANGSU YONGBAO ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Address before: 213119 west side of Chaoyang Road, Hengshan Bridge Town, Wujin District, Changzhou, Jiangsu, China Patentee before: JIANGSU YONGBAO ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A method for resource utilization of chromic acid washed sludge Granted publication date: 20210806 Pledgee: Zijin Trust Co.,Ltd. Pledgor: JIANGSU YONGBAO ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Registration number: Y2024980002882 |