CN111228711B - 一种利用石化废碱渣对含汞废盐渣进行稳定化固化的方法 - Google Patents
一种利用石化废碱渣对含汞废盐渣进行稳定化固化的方法 Download PDFInfo
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- CN111228711B CN111228711B CN202010041895.9A CN202010041895A CN111228711B CN 111228711 B CN111228711 B CN 111228711B CN 202010041895 A CN202010041895 A CN 202010041895A CN 111228711 B CN111228711 B CN 111228711B
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- mercury
- slag
- ball milling
- containing waste
- heavy metal
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- 229910052753 mercury Inorganic materials 0.000 title claims abstract description 115
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 title claims abstract description 113
- 239000002699 waste material Substances 0.000 title claims abstract description 105
- 239000002893 slag Substances 0.000 title claims abstract description 80
- 150000003839 salts Chemical class 0.000 title claims abstract description 72
- 238000000034 method Methods 0.000 title claims abstract description 46
- 239000003513 alkali Substances 0.000 title claims abstract description 34
- 230000000087 stabilizing effect Effects 0.000 title claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 62
- 238000000498 ball milling Methods 0.000 claims abstract description 57
- 238000002156 mixing Methods 0.000 claims abstract description 33
- 239000003381 stabilizer Substances 0.000 claims abstract description 26
- 238000003756 stirring Methods 0.000 claims abstract description 20
- 239000002245 particle Substances 0.000 claims abstract description 5
- 239000000203 mixture Substances 0.000 claims abstract description 3
- 229910001385 heavy metal Inorganic materials 0.000 claims description 54
- 239000003795 chemical substances by application Substances 0.000 claims description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 27
- 239000011790 ferrous sulphate Substances 0.000 claims description 16
- 235000003891 ferrous sulphate Nutrition 0.000 claims description 16
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 16
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims description 16
- 239000010440 gypsum Substances 0.000 claims description 15
- 229910052602 gypsum Inorganic materials 0.000 claims description 15
- 238000007711 solidification Methods 0.000 claims description 15
- 230000008023 solidification Effects 0.000 claims description 15
- 239000012990 dithiocarbamate Substances 0.000 claims description 14
- 125000001741 organic sulfur group Chemical group 0.000 claims description 5
- NYVOYAFUSJONHU-UHFFFAOYSA-K trisodium;1,3,5-triazine-2,4,6-trithiolate Chemical compound [Na+].[Na+].[Na+].[S-]C1=NC([S-])=NC([S-])=N1 NYVOYAFUSJONHU-UHFFFAOYSA-K 0.000 claims description 2
- 239000003518 caustics Substances 0.000 claims 1
- 239000010802 sludge Substances 0.000 claims 1
- 239000002920 hazardous waste Substances 0.000 abstract description 23
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000002386 leaching Methods 0.000 description 24
- 239000002689 soil Substances 0.000 description 18
- 238000000889 atomisation Methods 0.000 description 16
- 230000006641 stabilisation Effects 0.000 description 16
- 238000011105 stabilization Methods 0.000 description 16
- 239000004568 cement Substances 0.000 description 13
- 229910021536 Zeolite Inorganic materials 0.000 description 9
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 239000007787 solid Substances 0.000 description 9
- HRXKRNGNAMMEHJ-UHFFFAOYSA-K trisodium citrate Chemical compound [Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O HRXKRNGNAMMEHJ-UHFFFAOYSA-K 0.000 description 9
- 239000010457 zeolite Substances 0.000 description 9
- -1 chlorine ions Chemical class 0.000 description 8
- DKVNPHBNOWQYFE-UHFFFAOYSA-N carbamodithioic acid Chemical compound NC(S)=S DKVNPHBNOWQYFE-UHFFFAOYSA-N 0.000 description 7
- ZODDGFAZWTZOSI-UHFFFAOYSA-N nitric acid;sulfuric acid Chemical compound O[N+]([O-])=O.OS(O)(=O)=O ZODDGFAZWTZOSI-UHFFFAOYSA-N 0.000 description 7
- 230000001988 toxicity Effects 0.000 description 7
- 231100000419 toxicity Toxicity 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 235000013447 Xanthosoma atrovirens Nutrition 0.000 description 4
- 240000001781 Xanthosoma sagittifolium Species 0.000 description 4
- 235000017957 Xanthosoma sagittifolium Nutrition 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000002244 precipitate Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000002351 wastewater Substances 0.000 description 4
- 238000000605 extraction Methods 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 238000011068 loading method Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 229920001021 polysulfide Polymers 0.000 description 3
- 239000005077 polysulfide Substances 0.000 description 3
- 150000008117 polysulfides Polymers 0.000 description 3
- 229910052979 sodium sulfide Inorganic materials 0.000 description 3
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- BVTBRVFYZUCAKH-UHFFFAOYSA-L disodium selenite Chemical compound [Na+].[Na+].[O-][Se]([O-])=O BVTBRVFYZUCAKH-UHFFFAOYSA-L 0.000 description 2
- 239000010881 fly ash Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002516 radical scavenger Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- HYHCSLBZRBJJCH-UHFFFAOYSA-M sodium hydrosulfide Chemical compound [Na+].[SH-] HYHCSLBZRBJJCH-UHFFFAOYSA-M 0.000 description 2
- 229960001471 sodium selenite Drugs 0.000 description 2
- 239000011781 sodium selenite Substances 0.000 description 2
- 235000015921 sodium selenite Nutrition 0.000 description 2
- QXKXDIKCIPXUPL-UHFFFAOYSA-N sulfanylidenemercury Chemical compound [Hg]=S QXKXDIKCIPXUPL-UHFFFAOYSA-N 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- CDMIYIVDILNBIJ-UHFFFAOYSA-N triazinane-4,5,6-trithione Chemical compound SC1=NN=NC(S)=C1S CDMIYIVDILNBIJ-UHFFFAOYSA-N 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- TXUICONDJPYNPY-UHFFFAOYSA-N (1,10,13-trimethyl-3-oxo-4,5,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-17-yl) heptanoate Chemical compound C1CC2CC(=O)C=C(C)C2(C)C2C1C1CCC(OC(=O)CCCCCC)C1(C)CC2 TXUICONDJPYNPY-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- LSDPWZHWYPCBBB-UHFFFAOYSA-N Methanethiol Chemical compound SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 description 1
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 229910021626 Tin(II) chloride Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000012190 activator Substances 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- UYJXRRSPUVSSMN-UHFFFAOYSA-P ammonium sulfide Chemical compound [NH4+].[NH4+].[S-2] UYJXRRSPUVSSMN-UHFFFAOYSA-P 0.000 description 1
- XYXNTHIYBIDHGM-UHFFFAOYSA-N ammonium thiosulfate Chemical compound [NH4+].[NH4+].[O-]S([O-])(=O)=S XYXNTHIYBIDHGM-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000003042 antagnostic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 230000004071 biological effect Effects 0.000 description 1
- 230000033558 biomineral tissue development Effects 0.000 description 1
- 229910021538 borax Inorganic materials 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- FAYYUXPSKDFLEC-UHFFFAOYSA-L calcium;dioxido-oxo-sulfanylidene-$l^{6}-sulfane Chemical compound [Ca+2].[O-]S([O-])(=O)=S FAYYUXPSKDFLEC-UHFFFAOYSA-L 0.000 description 1
- 230000009920 chelation Effects 0.000 description 1
- 239000013064 chemical raw material Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 150000001804 chlorine Chemical class 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- UQGFMSUEHSUPRD-UHFFFAOYSA-N disodium;3,7-dioxido-2,4,6,8,9-pentaoxa-1,3,5,7-tetraborabicyclo[3.3.1]nonane Chemical compound [Na+].[Na+].O1B([O-])OB2OB([O-])OB1O2 UQGFMSUEHSUPRD-UHFFFAOYSA-N 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012847 fine chemical Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 231100000086 high toxicity Toxicity 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 229910052588 hydroxylapatite Inorganic materials 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 229910052945 inorganic sulfide Inorganic materials 0.000 description 1
- 239000002198 insoluble material Substances 0.000 description 1
- 229910021506 iron(II) hydroxide Inorganic materials 0.000 description 1
- NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- XYJRXVWERLGGKC-UHFFFAOYSA-D pentacalcium;hydroxide;triphosphate Chemical compound [OH-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O XYJRXVWERLGGKC-UHFFFAOYSA-D 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000005067 remediation Methods 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 239000011669 selenium Substances 0.000 description 1
- 229940091258 selenium supplement Drugs 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
- 239000004328 sodium tetraborate 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
- 239000002910 solid waste Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000001119 stannous chloride Substances 0.000 description 1
- 235000011150 stannous chloride Nutrition 0.000 description 1
- 150000004763 sulfides Chemical class 0.000 description 1
- 235000001508 sulfur Nutrition 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D3/00—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances
- A62D3/30—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by reacting with chemical agents
- A62D3/33—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by reacting with chemical agents by chemical fixing the harmful substance, e.g. by chelation or complexation
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D2101/00—Harmful chemical substances made harmless, or less harmful, by effecting chemical change
- A62D2101/40—Inorganic substances
- A62D2101/43—Inorganic substances containing heavy metals, in the bonded or free state
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D2101/00—Harmful chemical substances made harmless, or less harmful, by effecting chemical change
- A62D2101/40—Inorganic substances
- A62D2101/47—Inorganic substances containing oxygen, sulfur, selenium or tellurium, i.e. chalcogen
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
Description
Claims (6)
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CN202010041895.9A CN111228711B (zh) | 2020-01-15 | 2020-01-15 | 一种利用石化废碱渣对含汞废盐渣进行稳定化固化的方法 |
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CN111228711A CN111228711A (zh) | 2020-06-05 |
CN111228711B true CN111228711B (zh) | 2021-08-06 |
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CN111672862B (zh) * | 2020-06-12 | 2024-05-31 | 北控城市环境资源(宜昌)有限公司 | 一种含汞灯管的处置结构和处置方法 |
CN113351610A (zh) * | 2021-06-24 | 2021-09-07 | 扬州杰嘉工业固废处置有限公司 | 工业废盐渣固化成型及填埋处置方法 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1992010240A1 (en) * | 1990-12-14 | 1992-06-25 | Platen Magnus H Von | A method for chemical destruction of heavy metals in toxic waste |
JP2894477B2 (ja) * | 1994-07-28 | 1999-05-24 | 日鉱金属株式会社 | 亜鉛、鉛、水銀及び塩素を含有する物質の処理方法 |
CN104032138A (zh) * | 2014-06-05 | 2014-09-10 | 东北大学 | 一种堆浸-沉淀稳定化处理含汞尾渣的方法 |
CN104438285A (zh) * | 2014-11-06 | 2015-03-25 | 中国科学院生态环境研究中心 | 一种以硫为添加剂机械球磨无害化处理废汞触媒的方法 |
CN104475431A (zh) * | 2015-01-01 | 2015-04-01 | 扬州杰嘉工业固废处置有限公司 | 一种高毒废渣的稳定化固化方法 |
CN205740581U (zh) * | 2016-06-28 | 2016-11-30 | 中钢集团天澄环保科技股份有限公司 | 一种氯碱行业含汞废水的处理装置 |
CN106348711A (zh) * | 2016-08-30 | 2017-01-25 | 北京玉锦资源与环境技术研究院(有限合伙) | 一种用于协同处置含汞危险废物的矿山用胶结充填料及其制备方法 |
CN107586224A (zh) * | 2017-09-08 | 2018-01-16 | 大连青松智慧生态科技有限公司 | 一种污泥与碱渣混合方法 |
-
2020
- 2020-01-15 CN CN202010041895.9A patent/CN111228711B/zh active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1992010240A1 (en) * | 1990-12-14 | 1992-06-25 | Platen Magnus H Von | A method for chemical destruction of heavy metals in toxic waste |
JP2894477B2 (ja) * | 1994-07-28 | 1999-05-24 | 日鉱金属株式会社 | 亜鉛、鉛、水銀及び塩素を含有する物質の処理方法 |
CN104032138A (zh) * | 2014-06-05 | 2014-09-10 | 东北大学 | 一种堆浸-沉淀稳定化处理含汞尾渣的方法 |
CN104438285A (zh) * | 2014-11-06 | 2015-03-25 | 中国科学院生态环境研究中心 | 一种以硫为添加剂机械球磨无害化处理废汞触媒的方法 |
CN104475431A (zh) * | 2015-01-01 | 2015-04-01 | 扬州杰嘉工业固废处置有限公司 | 一种高毒废渣的稳定化固化方法 |
CN205740581U (zh) * | 2016-06-28 | 2016-11-30 | 中钢集团天澄环保科技股份有限公司 | 一种氯碱行业含汞废水的处理装置 |
CN106348711A (zh) * | 2016-08-30 | 2017-01-25 | 北京玉锦资源与环境技术研究院(有限合伙) | 一种用于协同处置含汞危险废物的矿山用胶结充填料及其制备方法 |
CN107586224A (zh) * | 2017-09-08 | 2018-01-16 | 大连青松智慧生态科技有限公司 | 一种污泥与碱渣混合方法 |
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