CN114247556A - 一种工业副产石膏相变净化的方法及相变净化的石膏 - Google Patents
一种工业副产石膏相变净化的方法及相变净化的石膏 Download PDFInfo
- Publication number
- CN114247556A CN114247556A CN202111585818.0A CN202111585818A CN114247556A CN 114247556 A CN114247556 A CN 114247556A CN 202111585818 A CN202111585818 A CN 202111585818A CN 114247556 A CN114247556 A CN 114247556A
- Authority
- CN
- China
- Prior art keywords
- gypsum
- industrial
- phase change
- agent
- chelating
- 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
- 229910052602 gypsum Inorganic materials 0.000 title claims abstract description 171
- 239000010440 gypsum Substances 0.000 title claims abstract description 169
- 239000006227 byproduct Substances 0.000 title claims abstract description 69
- 230000008859 change Effects 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 44
- 238000000746 purification Methods 0.000 title claims abstract description 37
- 239000008396 flotation agent Substances 0.000 claims abstract description 68
- 239000012535 impurity Substances 0.000 claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000002002 slurry Substances 0.000 claims abstract description 29
- 238000000926 separation method Methods 0.000 claims abstract description 24
- 229910001385 heavy metal Inorganic materials 0.000 claims abstract description 22
- 238000005188 flotation Methods 0.000 claims abstract description 16
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims abstract description 13
- 239000000126 substance Substances 0.000 claims abstract description 11
- 239000000654 additive Substances 0.000 claims abstract description 7
- 230000000996 additive effect Effects 0.000 claims abstract description 7
- 230000008569 process Effects 0.000 claims abstract description 6
- 239000002994 raw material Substances 0.000 claims abstract description 4
- 239000012071 phase Substances 0.000 claims description 57
- 239000002738 chelating agent Substances 0.000 claims description 46
- 238000003756 stirring Methods 0.000 claims description 25
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 22
- 239000008394 flocculating agent Substances 0.000 claims description 18
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 13
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 claims description 12
- 238000001914 filtration Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 238000004537 pulping Methods 0.000 claims description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 6
- 239000008346 aqueous phase Substances 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 6
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 claims description 6
- 150000003839 salts Chemical class 0.000 claims description 6
- 239000004094 surface-active agent Substances 0.000 claims description 6
- 230000007704 transition Effects 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 5
- 229920002401 polyacrylamide Polymers 0.000 claims description 5
- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical compound C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 claims description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 3
- 229910052791 calcium Inorganic materials 0.000 claims description 3
- 239000011575 calcium Substances 0.000 claims description 3
- 239000004310 lactic acid Substances 0.000 claims description 3
- 235000014655 lactic acid Nutrition 0.000 claims description 3
- 238000007885 magnetic separation Methods 0.000 claims description 3
- 125000000101 thioether group Chemical group 0.000 claims description 3
- 239000004408 titanium dioxide Substances 0.000 claims description 3
- 150000002500 ions Chemical class 0.000 abstract description 4
- 150000004683 dihydrates Chemical class 0.000 abstract description 2
- 231100000331 toxic Toxicity 0.000 abstract description 2
- 230000002588 toxic effect Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 12
- 235000019198 oils Nutrition 0.000 description 12
- 239000007787 solid Substances 0.000 description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 7
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 229910052731 fluorine Inorganic materials 0.000 description 4
- 239000011701 zinc Substances 0.000 description 4
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 210000003298 dental enamel Anatomy 0.000 description 3
- 239000011737 fluorine Substances 0.000 description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 239000011133 lead Substances 0.000 description 3
- 239000011777 magnesium Substances 0.000 description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 229910052725 zinc Inorganic materials 0.000 description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 229910052785 arsenic Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000013522 chelant Substances 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 229910052681 coesite Inorganic materials 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 229910052593 corundum Inorganic materials 0.000 description 2
- 229910052906 cristobalite Inorganic materials 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 239000012990 dithiocarbamate Substances 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 229920000136 polysorbate Polymers 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 238000001953 recrystallisation Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 229910052682 stishovite Inorganic materials 0.000 description 2
- 229910052905 tridymite Inorganic materials 0.000 description 2
- 235000015112 vegetable and seed oil Nutrition 0.000 description 2
- 239000008158 vegetable oil Substances 0.000 description 2
- 229910001845 yogo sapphire Inorganic materials 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 229910052925 anhydrite Inorganic materials 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- SRSXLGNVWSONIS-UHFFFAOYSA-M benzenesulfonate Chemical compound [O-]S(=O)(=O)C1=CC=CC=C1 SRSXLGNVWSONIS-UHFFFAOYSA-M 0.000 description 1
- 229940077388 benzenesulfonate Drugs 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- DKVNPHBNOWQYFE-UHFFFAOYSA-N carbamodithioic acid Chemical compound NC(S)=S DKVNPHBNOWQYFE-UHFFFAOYSA-N 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 150000004659 dithiocarbamates Chemical group 0.000 description 1
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 238000010979 pH adjustment Methods 0.000 description 1
- 239000002686 phosphate fertilizer Substances 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 description 1
- YQHCWFVOBRIHOM-UHFFFAOYSA-N sodium;1,3,5-triazinane-2,4,6-trithione Chemical group [Na].[Na].[Na].S=C1NC(=S)NC(=S)N1 YQHCWFVOBRIHOM-UHFFFAOYSA-N 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000001038 titanium pigment Substances 0.000 description 1
- 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 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B7/00—Combinations of wet processes or apparatus with other processes or apparatus, e.g. for dressing ores or garbage
-
- 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
- C01F11/46—Sulfates
- C01F11/468—Purification of calcium sulfates
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B11/00—Calcium sulfate cements
- C04B11/26—Calcium sulfate cements strating from chemical gypsum; starting from phosphogypsum or from waste, e.g. purification products of smoke
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
Description
指标 | 净化前含量 | 净化后含量 |
镁/Mg(ug/g) | 300 | 152 |
铝/Al(ug/g) | 4800 | 380 |
铁/Fe(ug/g) | 2870 | 306 |
镍/Ni(ug/g) | 6.43 | 0.643 |
铜/Cu(ug/g) | 5.13 | 0.92 |
锌/Zn(ug/g) | 3.25 | 0.33 |
铅/Pb(ug/g) | 12.5 | 1.25 |
CaSO<sub>4</sub>·2H<sub>2</sub>O | 90.1% | 97.3% |
白度 | 67 | 90 |
指标 | 净化前质量含量 | 净化后质量含量 |
SiO<sub>2</sub> | 0.82% | 0.57% |
Fe<sub>2</sub>O<sub>3</sub> | 0.56% | 0.18% |
Al<sub>2</sub>O<sub>3</sub> | 0.23% | 0.14% |
MgO | 0.16% | 0 |
CaO | 27.62% | 31.4% |
SO<sub>3</sub> | 24.23% | 25.7% |
As | 10ppm | 0 |
P | 1.14×10<sup>4</sup>ppm | 514ppm |
Ba | 18000ppm | 975ppm |
F | 0.3% | 9ppm |
CaSO<sub>4</sub>·2H<sub>2</sub>O | 92.1% | 98.2% |
白度 | 60 | 91 |
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111585818.0A CN114247556B (zh) | 2021-12-23 | 2021-12-23 | 一种工业副产石膏相变净化的方法及相变净化的石膏 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111585818.0A CN114247556B (zh) | 2021-12-23 | 2021-12-23 | 一种工业副产石膏相变净化的方法及相变净化的石膏 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN114247556A true CN114247556A (zh) | 2022-03-29 |
CN114247556B CN114247556B (zh) | 2023-06-09 |
Family
ID=80796990
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202111585818.0A Active CN114247556B (zh) | 2021-12-23 | 2021-12-23 | 一种工业副产石膏相变净化的方法及相变净化的石膏 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN114247556B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116812961A (zh) * | 2023-06-25 | 2023-09-29 | 安徽科博新材料有限公司 | 一种工业副产品石膏的清洁化处理方法 |
Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4136151A (en) * | 1974-07-06 | 1979-01-23 | Fisons Limited | Phosphoric acid production |
CN101397148A (zh) * | 2007-09-24 | 2009-04-01 | 宝山钢铁股份有限公司 | 一种烧结烟气脱硫石膏的纯化方法 |
CN101870494A (zh) * | 2010-06-12 | 2010-10-27 | 上海大学 | 重结晶提纯脱硫石膏的方法 |
CN102319633A (zh) * | 2011-10-09 | 2012-01-18 | 中蓝连海设计研究院 | 一种磷石膏废渣的浮选方法 |
CN102616825A (zh) * | 2012-04-17 | 2012-08-01 | 河南城建学院 | 脱硫石膏的提纯工艺及其提纯出的石膏原料 |
CN102731001A (zh) * | 2012-07-25 | 2012-10-17 | 广西鹿寨凯浩鹿宝新型建材有限公司 | 磷石膏复合预处理工艺 |
CN102875359A (zh) * | 2012-10-23 | 2013-01-16 | 南京工业大学 | 一种利用胺类萃取剂连续逆流萃取发酵液中富马酸的方法及其装置和其耦合发酵技术的应用 |
CN103143433A (zh) * | 2013-03-06 | 2013-06-12 | 瓮福(集团)有限责任公司 | 一种磷石膏和磷矿反浮选尾矿联合加工的方法 |
CN105859167A (zh) * | 2015-01-21 | 2016-08-17 | 中国科学院过程工程研究所 | 一种由磷石膏制备高白、高纯无水硫酸钙的方法 |
CN106315652A (zh) * | 2016-08-02 | 2017-01-11 | 中国环境科学研究院 | 一种分离提纯脱硫石膏的方法及实现该方法的装置 |
CN110451828A (zh) * | 2019-08-20 | 2019-11-15 | 昆明理工大学 | 电磁强化磷石膏除杂的方法和装置 |
CN112808736A (zh) * | 2020-12-21 | 2021-05-18 | 贵州昊华工程技术有限公司 | 一种磷石膏的净化和无害化处理方法 |
-
2021
- 2021-12-23 CN CN202111585818.0A patent/CN114247556B/zh active Active
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4136151A (en) * | 1974-07-06 | 1979-01-23 | Fisons Limited | Phosphoric acid production |
CN101397148A (zh) * | 2007-09-24 | 2009-04-01 | 宝山钢铁股份有限公司 | 一种烧结烟气脱硫石膏的纯化方法 |
CN101870494A (zh) * | 2010-06-12 | 2010-10-27 | 上海大学 | 重结晶提纯脱硫石膏的方法 |
CN102319633A (zh) * | 2011-10-09 | 2012-01-18 | 中蓝连海设计研究院 | 一种磷石膏废渣的浮选方法 |
CN102616825A (zh) * | 2012-04-17 | 2012-08-01 | 河南城建学院 | 脱硫石膏的提纯工艺及其提纯出的石膏原料 |
CN102731001A (zh) * | 2012-07-25 | 2012-10-17 | 广西鹿寨凯浩鹿宝新型建材有限公司 | 磷石膏复合预处理工艺 |
CN102875359A (zh) * | 2012-10-23 | 2013-01-16 | 南京工业大学 | 一种利用胺类萃取剂连续逆流萃取发酵液中富马酸的方法及其装置和其耦合发酵技术的应用 |
CN103143433A (zh) * | 2013-03-06 | 2013-06-12 | 瓮福(集团)有限责任公司 | 一种磷石膏和磷矿反浮选尾矿联合加工的方法 |
CN105859167A (zh) * | 2015-01-21 | 2016-08-17 | 中国科学院过程工程研究所 | 一种由磷石膏制备高白、高纯无水硫酸钙的方法 |
CN106315652A (zh) * | 2016-08-02 | 2017-01-11 | 中国环境科学研究院 | 一种分离提纯脱硫石膏的方法及实现该方法的装置 |
CN110451828A (zh) * | 2019-08-20 | 2019-11-15 | 昆明理工大学 | 电磁强化磷石膏除杂的方法和装置 |
CN112808736A (zh) * | 2020-12-21 | 2021-05-18 | 贵州昊华工程技术有限公司 | 一种磷石膏的净化和无害化处理方法 |
Non-Patent Citations (1)
Title |
---|
桂明生等: ""脱色磷石膏制备硫酸钙晶须的研究"", vol. 1, pages 263 - 266 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116812961A (zh) * | 2023-06-25 | 2023-09-29 | 安徽科博新材料有限公司 | 一种工业副产品石膏的清洁化处理方法 |
Also Published As
Publication number | Publication date |
---|---|
CN114247556B (zh) | 2023-06-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN108698827B (zh) | 用于从废水中生产磷产品的方法 | |
CN107188361B (zh) | 一种缓释硫化剂及其制备方法和缓释硫化剂用于净化酸性溶液中重金属和砷的方法 | |
CN108584901B (zh) | 一种从多金属危险废物中回收陶瓷级磷酸铁的方法 | |
CN108396158A (zh) | 一种电解锰过程的复盐结晶物的处理方法 | |
CN101445446A (zh) | 用无钙铬渣生产草酸亚铁副产金属铬和铬酸的方法 | |
CN112442598A (zh) | 一种铝灰的资源化处理方法 | |
CN114247556B (zh) | 一种工业副产石膏相变净化的方法及相变净化的石膏 | |
CN111170349A (zh) | 一种适用于萤石矿的酸浸提纯方法 | |
CN101759315B (zh) | 钢材酸洗废稀硫酸的循环利用方法 | |
CN113120938A (zh) | 一种利用含氟废水制备氟化钙的方法 | |
CN101760638B (zh) | 从硫酸镁溶液中回收镁的方法 | |
CN114314540A (zh) | 一种利用磷尾矿生产磷酸氢镁的方法 | |
CN112553470B (zh) | 一种利用钛白废酸和二次铝灰回收氢氧化铝粉的方法 | |
CN113548680A (zh) | 一种水泥窑旁路放风脱氯灰提钾方法和系统 | |
CN102276031A (zh) | 一种生产高浓度铝锌镁多离子复合净水剂的方法 | |
CN101760643B (zh) | 从硫酸镁溶液中回收镁的改进方法 | |
CN106745139A (zh) | 一种含氟废盐酸的处理方法 | |
CN111424168A (zh) | 一种冶金除尘灰水洗脱氯系统及方法 | |
JPH0952716A (ja) | めっき廃液からのソフトフェライト用複合酸化物粉末の製造方法 | |
CN115231602B (zh) | 一种铅锌冶炼废酸资源化利用的方法 | |
CN113174490B (zh) | 一种硫酸镍生产过程产生的除杂渣的资源化处置方法 | |
CN114538474A (zh) | 一种飞灰综合处理及应用方法 | |
CN114956126A (zh) | 一种钠法磷酸铁生产过程中母液的回收利用方法 | |
CN114592130A (zh) | 铅锌冶炼水淬渣的资源化处理方法及系统 | |
CN101760642B (zh) | 一种从硫酸镁溶液中回收镁的工艺 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20230922 Address after: 2108, Haofang Tianji Square Office Building, No. 11008 Beihuan Avenue, Nanlian Community, Nanshan District, Shenzhen City, Guangdong Province, 518000 Patentee after: Zeyu Technology (Shenzhen) Co.,Ltd. Address before: No. 180, Huidong Xueyuan street, Ziliujing District, Zigong City, Sichuan Province Patentee before: Sichuan University of Science & Engineering |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20240606 Address after: 434000 East of Chuangye Avenue, Lingang Industrial Park, Lexiang Street, Songzi City, Jingzhou City, Hubei Province (Room 501, Yuntu New Energy Company) (self declared) Patentee after: Hubei Yuntu Zeyu New Materials Co.,Ltd. Country or region after: China Address before: 2108, Haofang Tianji Square Office Building, No. 11008 Beihuan Avenue, Nanlian Community, Nanshan District, Shenzhen City, Guangdong Province, 518000 Patentee before: Zeyu Technology (Shenzhen) Co.,Ltd. Country or region before: China |