CN109052331A - 一种含砷石膏渣的资源化方法 - Google Patents
一种含砷石膏渣的资源化方法 Download PDFInfo
- Publication number
- CN109052331A CN109052331A CN201810960317.8A CN201810960317A CN109052331A CN 109052331 A CN109052331 A CN 109052331A CN 201810960317 A CN201810960317 A CN 201810960317A CN 109052331 A CN109052331 A CN 109052331A
- Authority
- CN
- China
- Prior art keywords
- arsenic
- gypsum tailings
- containing arsenic
- resource
- 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
- 229910052785 arsenic Inorganic materials 0.000 title claims abstract description 85
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 title claims abstract description 84
- 239000010440 gypsum Substances 0.000 title claims abstract description 66
- 229910052602 gypsum Inorganic materials 0.000 title claims abstract description 66
- 238000000034 method Methods 0.000 title claims abstract description 40
- 239000002893 slag Substances 0.000 title claims abstract description 26
- 238000004064 recycling Methods 0.000 title abstract description 6
- 239000002699 waste material Substances 0.000 claims abstract description 26
- JGIATAMCQXIDNZ-UHFFFAOYSA-N calcium sulfide Chemical compound [Ca]=S JGIATAMCQXIDNZ-UHFFFAOYSA-N 0.000 claims abstract description 25
- 238000005188 flotation Methods 0.000 claims abstract description 25
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000003546 flue gas Substances 0.000 claims abstract description 24
- 239000002253 acid Substances 0.000 claims abstract description 23
- 229910052751 metal Inorganic materials 0.000 claims abstract description 19
- 239000002184 metal Substances 0.000 claims abstract description 19
- 239000012141 concentrate Substances 0.000 claims abstract description 12
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 8
- 238000000926 separation method Methods 0.000 claims abstract description 8
- 239000000428 dust Substances 0.000 claims description 30
- 230000009467 reduction Effects 0.000 claims description 16
- 239000011133 lead Substances 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 11
- 239000011701 zinc Substances 0.000 claims description 11
- 238000003723 Smelting Methods 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 10
- 239000000779 smoke Substances 0.000 claims description 10
- 229910052725 zinc Inorganic materials 0.000 claims description 10
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 9
- 229910052793 cadmium Inorganic materials 0.000 claims description 7
- 239000003517 fume Substances 0.000 claims description 7
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 6
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 6
- 229910052787 antimony Inorganic materials 0.000 claims description 6
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 claims description 6
- 239000003245 coal Substances 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 239000004571 lime Substances 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 claims description 5
- 229910052738 indium Inorganic materials 0.000 claims description 5
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 claims description 5
- 229910000765 intermetallic Inorganic materials 0.000 claims description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 4
- TUZCOAQWCRRVIP-UHFFFAOYSA-N butoxymethanedithioic acid Chemical compound CCCCOC(S)=S TUZCOAQWCRRVIP-UHFFFAOYSA-N 0.000 claims description 4
- 229940116901 diethyldithiocarbamate Drugs 0.000 claims description 3
- LMBWSYZSUOEYSN-UHFFFAOYSA-N diethyldithiocarbamic acid Chemical compound CCN(CC)C(S)=S LMBWSYZSUOEYSN-UHFFFAOYSA-N 0.000 claims description 3
- 229910021645 metal ion Inorganic materials 0.000 claims description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims description 2
- 229940000488 arsenic acid Drugs 0.000 claims description 2
- 239000003610 charcoal Substances 0.000 claims description 2
- 229910017052 cobalt Inorganic materials 0.000 claims description 2
- 239000010941 cobalt Substances 0.000 claims description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 2
- 239000000571 coke Substances 0.000 claims description 2
- 239000006071 cream Substances 0.000 claims description 2
- 239000003792 electrolyte Substances 0.000 claims description 2
- ZOOODBUHSVUZEM-UHFFFAOYSA-N ethoxymethanedithioic acid Chemical compound CCOC(S)=S ZOOODBUHSVUZEM-UHFFFAOYSA-N 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 230000003647 oxidation Effects 0.000 claims description 2
- 238000007254 oxidation reaction Methods 0.000 claims description 2
- 238000000746 purification Methods 0.000 claims description 2
- 238000010791 quenching Methods 0.000 claims description 2
- 230000000171 quenching effect Effects 0.000 claims description 2
- 239000004575 stone Substances 0.000 claims description 2
- 238000005406 washing Methods 0.000 claims description 2
- DJHGAFSJWGLOIV-UHFFFAOYSA-N Arsenic acid Chemical compound O[As](O)(O)=O DJHGAFSJWGLOIV-UHFFFAOYSA-N 0.000 claims 1
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 claims 1
- 239000003830 anthracite Substances 0.000 claims 1
- 239000000843 powder Substances 0.000 claims 1
- 230000001681 protective effect Effects 0.000 claims 1
- 150000005837 radical ions Chemical class 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 10
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 5
- 239000011737 fluorine Substances 0.000 abstract description 5
- 229910052731 fluorine Inorganic materials 0.000 abstract description 5
- 238000006386 neutralization reaction Methods 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 238000011084 recovery Methods 0.000 abstract description 4
- 150000002739 metals Chemical class 0.000 abstract description 3
- 229910001634 calcium fluoride Inorganic materials 0.000 abstract description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 1
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 abstract 1
- 229910052799 carbon Inorganic materials 0.000 abstract 1
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 8
- 238000001914 filtration Methods 0.000 description 8
- 229910001385 heavy metal Inorganic materials 0.000 description 7
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 6
- 238000004458 analytical method Methods 0.000 description 6
- 229910052791 calcium Inorganic materials 0.000 description 6
- 239000011575 calcium Substances 0.000 description 6
- 239000002994 raw material Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 229910044991 metal oxide Inorganic materials 0.000 description 5
- HJTAZXHBEBIQQX-UHFFFAOYSA-N 1,5-bis(chloromethyl)naphthalene Chemical compound C1=CC=C2C(CCl)=CC=CC2=C1CCl HJTAZXHBEBIQQX-UHFFFAOYSA-N 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 4
- 239000005864 Sulphur Substances 0.000 description 4
- GOLCXWYRSKYTSP-UHFFFAOYSA-N arsenic trioxide Inorganic materials O1[As]2O[As]1O2 GOLCXWYRSKYTSP-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 150000004706 metal oxides Chemical class 0.000 description 4
- WVYWICLMDOOCFB-UHFFFAOYSA-N 4-methyl-2-pentanol Chemical compound CC(C)CC(C)O WVYWICLMDOOCFB-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000004088 foaming agent Substances 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 239000002918 waste heat Substances 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- 239000000292 calcium oxide Substances 0.000 description 2
- 235000019504 cigarettes Nutrition 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000002910 solid waste Substances 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- -1 arsenic acid radical ion Chemical class 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010310 metallurgical process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- HNBFUFIYQWYCDM-UHFFFAOYSA-N oxygen(2-) sulfane titanium(4+) Chemical compound [O--].[O--].S.[Ti+4] HNBFUFIYQWYCDM-UHFFFAOYSA-N 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/42—Sulfides or polysulfides of magnesium, calcium, strontium, or barium
- C01B17/44—Sulfides or polysulfides of magnesium, calcium, strontium, or barium by reduction of sulfates
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/20—Halides
- C01F11/22—Fluorides
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/02—Roasting processes
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
- C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Inorganic Chemistry (AREA)
- Geology (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
Description
元素 | Ca | S | F | O | As | Pb | Zn | Cd | Cu |
含量/% | 28.35 | 8.5 | 5.65 | 40.26 | 7.54 | 0.24 | 0.96 | 0.09 | 0.36 |
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810960317.8A CN109052331B (zh) | 2018-08-22 | 2018-08-22 | 一种含砷石膏渣的资源化方法 |
Applications Claiming Priority (1)
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CN201810960317.8A CN109052331B (zh) | 2018-08-22 | 2018-08-22 | 一种含砷石膏渣的资源化方法 |
Publications (2)
Publication Number | Publication Date |
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CN109052331A true CN109052331A (zh) | 2018-12-21 |
CN109052331B CN109052331B (zh) | 2022-01-21 |
Family
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Family Applications (1)
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CN201810960317.8A Active CN109052331B (zh) | 2018-08-22 | 2018-08-22 | 一种含砷石膏渣的资源化方法 |
Country Status (1)
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CN (1) | CN109052331B (zh) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110144463A (zh) * | 2019-05-21 | 2019-08-20 | 铜仁学院 | 一种处理砷钙渣资源化利用的方法 |
CN111020175A (zh) * | 2019-11-18 | 2020-04-17 | 中南大学 | 一种富锌石膏渣资源综合回收的方法 |
CN112080642A (zh) * | 2020-09-25 | 2020-12-15 | 中南大学 | 一种脱硫石膏渣与废弃镁铬耐火砖协同处置综合回收的方法 |
CN113277542A (zh) * | 2021-02-28 | 2021-08-20 | 昆明理工大学 | 一种污酸中和渣固碳的方法 |
CN113860365A (zh) * | 2021-09-26 | 2021-12-31 | 云南锡业股份有限公司锡业分公司 | 一种用炼锡烟化炉处理含砷石膏渣的方法 |
CN114477818A (zh) * | 2022-01-05 | 2022-05-13 | 中国科学院大学 | 一种常温常压下实现重金属石膏渣高效脱毒的方法 |
Citations (4)
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JPS5767008A (en) * | 1980-10-07 | 1982-04-23 | Asahi Chem Ind Co Ltd | Treatment of waste sulfuric acid containing organic sludge |
CN102765831A (zh) * | 2012-07-25 | 2012-11-07 | 中南大学 | 一种含重金属及砷的废水净化方法 |
CN105130160A (zh) * | 2015-07-14 | 2015-12-09 | 中南大学 | 一种冶炼废渣协同固化含砷及其它重金属污泥的方法 |
CN108273830A (zh) * | 2018-01-26 | 2018-07-13 | 中南大学 | 一种铜冶炼典型废渣协同固化/稳定化处理方法 |
-
2018
- 2018-08-22 CN CN201810960317.8A patent/CN109052331B/zh active Active
Patent Citations (4)
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JPS5767008A (en) * | 1980-10-07 | 1982-04-23 | Asahi Chem Ind Co Ltd | Treatment of waste sulfuric acid containing organic sludge |
CN102765831A (zh) * | 2012-07-25 | 2012-11-07 | 中南大学 | 一种含重金属及砷的废水净化方法 |
CN105130160A (zh) * | 2015-07-14 | 2015-12-09 | 中南大学 | 一种冶炼废渣协同固化含砷及其它重金属污泥的方法 |
CN108273830A (zh) * | 2018-01-26 | 2018-07-13 | 中南大学 | 一种铜冶炼典型废渣协同固化/稳定化处理方法 |
Non-Patent Citations (4)
Title |
---|
姚亮: "有色冶炼烟气骤冷收砷技术的研究与应用", 《中国有色冶金》 * |
孙祖眉: "硫酸生产中砷的污染治理", 《硫酸工业》 * |
赵占冲: "含砷石膏渣还原分解行为及砷迁移规律", 《中国有色金属学报》 * |
龚明光: "《浮选技术问答》", 31 October 2012, 北京 冶金工业出版社 * |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110144463A (zh) * | 2019-05-21 | 2019-08-20 | 铜仁学院 | 一种处理砷钙渣资源化利用的方法 |
CN111020175A (zh) * | 2019-11-18 | 2020-04-17 | 中南大学 | 一种富锌石膏渣资源综合回收的方法 |
CN112080642A (zh) * | 2020-09-25 | 2020-12-15 | 中南大学 | 一种脱硫石膏渣与废弃镁铬耐火砖协同处置综合回收的方法 |
CN112080642B (zh) * | 2020-09-25 | 2021-08-27 | 中南大学 | 一种脱硫石膏渣与废弃镁铬耐火砖协同处置综合回收的方法 |
CN113277542A (zh) * | 2021-02-28 | 2021-08-20 | 昆明理工大学 | 一种污酸中和渣固碳的方法 |
CN113860365A (zh) * | 2021-09-26 | 2021-12-31 | 云南锡业股份有限公司锡业分公司 | 一种用炼锡烟化炉处理含砷石膏渣的方法 |
CN114477818A (zh) * | 2022-01-05 | 2022-05-13 | 中国科学院大学 | 一种常温常压下实现重金属石膏渣高效脱毒的方法 |
CN114477818B (zh) * | 2022-01-05 | 2024-01-19 | 中国科学院大学 | 一种常温常压下实现重金属石膏渣高效脱毒的方法 |
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