CN110776128B - Rare earth wastewater treatment and recovery process - Google Patents
Rare earth wastewater treatment and recovery process Download PDFInfo
- Publication number
- CN110776128B CN110776128B CN201810855112.3A CN201810855112A CN110776128B CN 110776128 B CN110776128 B CN 110776128B CN 201810855112 A CN201810855112 A CN 201810855112A CN 110776128 B CN110776128 B CN 110776128B
- Authority
- CN
- China
- Prior art keywords
- rare earth
- wastewater
- nanofiltration
- membrane
- ammonia
- 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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Links
- 229910052761 rare earth metal Inorganic materials 0.000 title claims abstract description 90
- 150000002910 rare earth metals Chemical class 0.000 title claims abstract description 77
- 238000011084 recovery Methods 0.000 title claims abstract description 32
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 12
- 238000001728 nano-filtration Methods 0.000 claims abstract description 90
- 239000002351 wastewater Substances 0.000 claims abstract description 73
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000000706 filtrate Substances 0.000 claims abstract description 28
- 238000000108 ultra-filtration Methods 0.000 claims abstract description 21
- 238000001914 filtration Methods 0.000 claims abstract description 19
- -1 rare earth ions Chemical class 0.000 claims abstract description 17
- 239000006004 Quartz sand Substances 0.000 claims abstract description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 239000012528 membrane Substances 0.000 claims description 75
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 53
- 238000000034 method Methods 0.000 claims description 26
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 24
- 230000008569 process Effects 0.000 claims description 23
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 18
- 229910021529 ammonia Inorganic materials 0.000 claims description 17
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 15
- AJPJDKMHJJGVTQ-UHFFFAOYSA-M sodium dihydrogen phosphate Chemical compound [Na+].OP(O)([O-])=O AJPJDKMHJJGVTQ-UHFFFAOYSA-M 0.000 claims description 13
- 229910000162 sodium phosphate Inorganic materials 0.000 claims description 13
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 12
- 239000003513 alkali Substances 0.000 claims description 12
- 238000010521 absorption reaction Methods 0.000 claims description 11
- 230000004907 flux Effects 0.000 claims description 11
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 claims description 10
- 229910052757 nitrogen Inorganic materials 0.000 claims description 10
- 239000011148 porous material Substances 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 7
- 230000002745 absorbent Effects 0.000 claims description 6
- 239000002250 absorbent Substances 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 6
- 229910052564 epsomite Inorganic materials 0.000 claims description 6
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 claims description 6
- 239000002033 PVDF binder Substances 0.000 claims description 5
- 239000004743 Polypropylene Substances 0.000 claims description 5
- 239000000835 fiber Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 229910052943 magnesium sulfate Inorganic materials 0.000 claims description 5
- 239000012982 microporous membrane Substances 0.000 claims description 5
- 235000006408 oxalic acid Nutrition 0.000 claims description 5
- 229920002401 polyacrylamide Polymers 0.000 claims description 5
- 229920001155 polypropylene Polymers 0.000 claims description 5
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 5
- 238000005086 pumping Methods 0.000 claims description 5
- 238000004064 recycling Methods 0.000 claims description 5
- 239000013049 sediment Substances 0.000 claims description 5
- 238000004062 sedimentation Methods 0.000 claims description 5
- 239000002585 base Substances 0.000 claims 1
- CVTZKFWZDBJAHE-UHFFFAOYSA-N [N].N Chemical compound [N].N CVTZKFWZDBJAHE-UHFFFAOYSA-N 0.000 abstract description 8
- 238000009287 sand filtration Methods 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000009776 industrial production Methods 0.000 abstract description 2
- 238000012545 processing Methods 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 13
- 239000000126 substance Substances 0.000 description 8
- 238000011161 development Methods 0.000 description 4
- 238000001471 micro-filtration Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000009388 chemical precipitation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005374 membrane filtration Methods 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 1
- 235000019270 ammonium chloride Nutrition 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/442—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by nanofiltration
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- 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
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/16—Nature of the water, waste water, sewage or sludge to be treated from metallurgical processes, i.e. from the production, refining or treatment of metals, e.g. galvanic wastes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
Description
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810855112.3A CN110776128B (en) | 2018-07-31 | 2018-07-31 | Rare earth wastewater treatment and recovery process |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810855112.3A CN110776128B (en) | 2018-07-31 | 2018-07-31 | Rare earth wastewater treatment and recovery process |
Publications (2)
Publication Number | Publication Date |
---|---|
CN110776128A CN110776128A (en) | 2020-02-11 |
CN110776128B true CN110776128B (en) | 2022-06-21 |
Family
ID=69382749
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810855112.3A Active CN110776128B (en) | 2018-07-31 | 2018-07-31 | Rare earth wastewater treatment and recovery process |
Country Status (1)
Country | Link |
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CN (1) | CN110776128B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111661953A (en) * | 2020-06-16 | 2020-09-15 | 包头稀土研究院 | Method for separating fluorine and phosphorus in mixed rare earth alkaline wastewater and application |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014044527A1 (en) * | 2012-09-18 | 2014-03-27 | Siemens Aktiengesellschaft | Method for obtaining at least one rare earth metal chloride and a rare earth metal |
CN104724847A (en) * | 2013-12-18 | 2015-06-24 | 上海凯鑫分离技术有限公司 | Ion type rare earth mine runoff wastewater comprehensive treatment method |
CN105293772A (en) * | 2015-11-17 | 2016-02-03 | 中国地质大学(武汉) | Method for recovering of rare earth and resource utilization of ammonia nitrogen from rare earth processing and smelting wastewater |
-
2018
- 2018-07-31 CN CN201810855112.3A patent/CN110776128B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014044527A1 (en) * | 2012-09-18 | 2014-03-27 | Siemens Aktiengesellschaft | Method for obtaining at least one rare earth metal chloride and a rare earth metal |
CN104724847A (en) * | 2013-12-18 | 2015-06-24 | 上海凯鑫分离技术有限公司 | Ion type rare earth mine runoff wastewater comprehensive treatment method |
CN105293772A (en) * | 2015-11-17 | 2016-02-03 | 中国地质大学(武汉) | Method for recovering of rare earth and resource utilization of ammonia nitrogen from rare earth processing and smelting wastewater |
Also Published As
Publication number | Publication date |
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CN110776128A (en) | 2020-02-11 |
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Legal Events
Date | Code | Title | Description |
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PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB02 | Change of applicant information |
Address after: 215500 No.9, Yiyu Road, Changfu street, Changshu City, Suzhou City, Jiangsu Province Applicant after: Zhongxi (Jiangsu) rare earth Co.,Ltd. Address before: 215500 Chinalco rare earth (Jiangsu) Co., Ltd., 5th floor, 58 Lianfeng Road, Yushan Town, Changshu City, Suzhou City, Jiangsu Province Applicant before: CHINALCO RARE EARTH (JIANGSU) Co.,Ltd. |
|
CB02 | Change of applicant information | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20210728 Address after: 222042 room 1225-8, No. 5, Haifeng Road, Shanghai Cooperation Organization (Lianyungang) International Logistics Park, Lianyun District, Lianyungang City, Jiangsu Province Applicant after: Shenghe resources (Jiangsu) rare earth Co.,Ltd. Address before: 215500 No.9, Yiyu Road, Changfu street, Changshu City, Suzhou City, Jiangsu Province Applicant before: Zhongxi (Jiangsu) rare earth Co.,Ltd. |
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TA01 | Transfer of patent application right | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20231028 Address after: 215500 No.9, Yiyu Road, Changfu street, Changshu City, Suzhou City, Jiangsu Province Patentee after: Zhongxi (Jiangsu) rare earth Co.,Ltd. Address before: 222042 room 1225-8, No. 5, Haifeng Road, Shanghai Cooperation Organization (Lianyungang) International Logistics Park, Lianyun District, Lianyungang City, Jiangsu Province Patentee before: Shenghe resources (Jiangsu) rare earth Co.,Ltd. |
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TR01 | Transfer of patent right |