CN109110886B - 一种用于电渗析处理氨氮废水的阳离子交换膜及制备方法 - Google Patents
一种用于电渗析处理氨氮废水的阳离子交换膜及制备方法 Download PDFInfo
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- CN109110886B CN109110886B CN201811016086.1A CN201811016086A CN109110886B CN 109110886 B CN109110886 B CN 109110886B CN 201811016086 A CN201811016086 A CN 201811016086A CN 109110886 B CN109110886 B CN 109110886B
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- China
- Prior art keywords
- cation exchange
- exchange membrane
- sodium alginate
- biological
- nitrogen wastewater
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- 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
- 239000012528 membrane Substances 0.000 title claims abstract description 71
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 title claims abstract description 58
- 238000005341 cation exchange Methods 0.000 title claims abstract description 58
- 239000002351 wastewater Substances 0.000 title claims abstract description 38
- 238000000909 electrodialysis Methods 0.000 title claims abstract description 35
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 239000000843 powder Substances 0.000 claims abstract description 66
- 239000010455 vermiculite Substances 0.000 claims abstract description 66
- 229910052902 vermiculite Inorganic materials 0.000 claims abstract description 66
- 235000019354 vermiculite Nutrition 0.000 claims abstract description 66
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 claims abstract description 59
- 235000010413 sodium alginate Nutrition 0.000 claims abstract description 59
- 229940005550 sodium alginate Drugs 0.000 claims abstract description 59
- 239000000661 sodium alginate Substances 0.000 claims abstract description 59
- 238000001035 drying Methods 0.000 claims abstract description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000000084 colloidal system Substances 0.000 claims abstract description 28
- 239000000463 material Substances 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 24
- 238000005406 washing Methods 0.000 claims abstract description 19
- 239000011248 coating agent Substances 0.000 claims abstract description 18
- 238000000576 coating method Methods 0.000 claims abstract description 18
- -1 iron ions Chemical class 0.000 claims abstract description 15
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052742 iron Inorganic materials 0.000 claims abstract description 10
- 239000008367 deionised water Substances 0.000 claims description 32
- 229910021641 deionized water Inorganic materials 0.000 claims description 32
- 238000010438 heat treatment Methods 0.000 claims description 17
- 238000003756 stirring Methods 0.000 claims description 17
- 239000002245 particle Substances 0.000 claims description 16
- 239000000758 substrate Substances 0.000 claims description 14
- 239000004793 Polystyrene Substances 0.000 claims description 8
- 238000000227 grinding Methods 0.000 claims description 8
- 229920002223 polystyrene Polymers 0.000 claims description 8
- 238000005507 spraying Methods 0.000 claims description 8
- 229910021578 Iron(III) chloride Inorganic materials 0.000 claims description 6
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 claims description 6
- 238000007872 degassing Methods 0.000 claims description 3
- 238000009849 vacuum degassing Methods 0.000 claims description 3
- 239000004642 Polyimide Substances 0.000 claims description 2
- 230000006855 networking Effects 0.000 claims description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 2
- 239000004417 polycarbonate Substances 0.000 claims description 2
- 229920000515 polycarbonate Polymers 0.000 claims description 2
- 229920001721 polyimide Polymers 0.000 claims description 2
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 2
- 238000004064 recycling Methods 0.000 abstract description 9
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 abstract description 7
- 244000005700 microbiome Species 0.000 abstract description 7
- 238000003795 desorption Methods 0.000 abstract description 4
- 230000008929 regeneration Effects 0.000 abstract description 4
- 238000011069 regeneration method Methods 0.000 abstract description 4
- 238000004065 wastewater treatment Methods 0.000 abstract description 4
- 230000002195 synergetic effect Effects 0.000 abstract description 3
- 230000007774 longterm Effects 0.000 abstract description 2
- 238000011084 recovery Methods 0.000 abstract description 2
- 238000001179 sorption measurement Methods 0.000 abstract description 2
- 238000009740 moulding (composite fabrication) Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 7
- 238000010907 mechanical stirring Methods 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 239000003344 environmental pollutant Substances 0.000 description 4
- 238000005342 ion exchange Methods 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000004132 cross linking Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000178 monomer Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229920001169 thermoplastic Polymers 0.000 description 3
- 239000004416 thermosoftening plastic Substances 0.000 description 3
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical group [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 229940092714 benzenesulfonic acid Drugs 0.000 description 2
- 239000003729 cation exchange resin Substances 0.000 description 2
- 238000005660 chlorination reaction Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000012851 eutrophication Methods 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 229920001002 functional polymer Polymers 0.000 description 2
- 239000012982 microporous membrane Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- AOJFQRQNPXYVLM-UHFFFAOYSA-N pyridin-1-ium;chloride Chemical compound [Cl-].C1=CC=[NH+]C=C1 AOJFQRQNPXYVLM-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N pyridine Substances C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- IAJILQKETJEXLJ-UHFFFAOYSA-N Galacturonsaeure Natural products O=CC(O)C(O)C(O)C(O)C(O)=O IAJILQKETJEXLJ-UHFFFAOYSA-N 0.000 description 1
- 241000282414 Homo sapiens Species 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229920002367 Polyisobutene Polymers 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 235000019270 ammonium chloride Nutrition 0.000 description 1
- 239000003957 anion exchange resin Substances 0.000 description 1
- 229910001423 beryllium ion Inorganic materials 0.000 description 1
- AEMOLEFTQBMNLQ-UHFFFAOYSA-N beta-D-galactopyranuronic acid Natural products OC1OC(C(O)=O)C(O)C(O)C1O AEMOLEFTQBMNLQ-UHFFFAOYSA-N 0.000 description 1
- 230000009920 chelation Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000009615 deamination Effects 0.000 description 1
- 238000006481 deamination reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000666 effect on cation Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- ZHUXMBYIONRQQX-UHFFFAOYSA-N hydroxidodioxidocarbon(.) Chemical compound [O]C(O)=O ZHUXMBYIONRQQX-UHFFFAOYSA-N 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 239000003014 ion exchange membrane Substances 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229920001467 poly(styrenesulfonates) Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- POSICDHOUBKJKP-UHFFFAOYSA-N prop-2-enoxybenzene Chemical compound C=CCOC1=CC=CC=C1 POSICDHOUBKJKP-UHFFFAOYSA-N 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- BYMHXIQVEAYSJD-UHFFFAOYSA-M sodium;4-sulfophenolate Chemical compound [Na+].OC1=CC=C(S([O-])(=O)=O)C=C1 BYMHXIQVEAYSJD-UHFFFAOYSA-M 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 238000004154 testing of material Methods 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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/469—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
- C02F1/4693—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis electrodialysis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/42—Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
- B01D61/44—Ion-selective electrodialysis
- B01D61/46—Apparatus therefor
- B01D61/48—Apparatus therefor having one or more compartments filled with ion-exchange material, e.g. electrodeionisation
- B01D61/485—Specific features relating to the ion-exchange material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/12—Composite membranes; Ultra-thin membranes
- B01D69/125—In situ manufacturing by polymerisation, polycondensation, cross-linking or chemical reaction
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Water Supply & Treatment (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- General Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
- Molecular Biology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- Organic Chemistry (AREA)
- Urology & Nephrology (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
Description
Claims (9)
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CN201811016086.1A CN109110886B (zh) | 2018-09-01 | 2018-09-01 | 一种用于电渗析处理氨氮废水的阳离子交换膜及制备方法 |
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CN201811016086.1A CN109110886B (zh) | 2018-09-01 | 2018-09-01 | 一种用于电渗析处理氨氮废水的阳离子交换膜及制备方法 |
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CN109110886A CN109110886A (zh) | 2019-01-01 |
CN109110886B true CN109110886B (zh) | 2021-05-04 |
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CN201811016086.1A Active CN109110886B (zh) | 2018-09-01 | 2018-09-01 | 一种用于电渗析处理氨氮废水的阳离子交换膜及制备方法 |
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CN110318066A (zh) * | 2019-06-20 | 2019-10-11 | 青岛鼎海电化学科技有限公司 | 一种四烷基氢氧化铵的制备方法 |
CN111249928B (zh) * | 2020-02-27 | 2021-06-08 | 山东科技大学 | 一种基于金属有机框架化合物的混合基质阳离子交换膜及其制备方法 |
CN113457473B (zh) * | 2021-06-24 | 2022-08-19 | 同济大学 | 一种天然蛭石纳米颗粒改性pvdf超滤膜的制备方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103232989A (zh) * | 2013-04-23 | 2013-08-07 | 天津工业大学 | 一种固定化生物大分子的海藻酸盐杂化水凝胶膜及接枝材料的制备方法 |
TW201425226A (zh) * | 2012-12-27 | 2014-07-01 | Univ Kun Shan | 海藻膠類包覆沸石之組成物及其製備方法 |
CN105884040A (zh) * | 2016-05-11 | 2016-08-24 | 长沙学院 | 一种水体脱氮材料的制备方法 |
EP3098203B1 (en) * | 2015-05-26 | 2017-12-06 | Roberto Dal Maschio | Process for ammonia removal from wastewater |
CN107561138A (zh) * | 2017-07-31 | 2018-01-09 | 河海大学 | 一种铁交联氧化海藻酸钠修饰玻碳电极的制备方法及应用 |
CN108097056A (zh) * | 2017-12-13 | 2018-06-01 | 河南工程学院 | 一种阳离子交换膜的制备方法 |
-
2018
- 2018-09-01 CN CN201811016086.1A patent/CN109110886B/zh active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW201425226A (zh) * | 2012-12-27 | 2014-07-01 | Univ Kun Shan | 海藻膠類包覆沸石之組成物及其製備方法 |
CN103232989A (zh) * | 2013-04-23 | 2013-08-07 | 天津工业大学 | 一种固定化生物大分子的海藻酸盐杂化水凝胶膜及接枝材料的制备方法 |
EP3098203B1 (en) * | 2015-05-26 | 2017-12-06 | Roberto Dal Maschio | Process for ammonia removal from wastewater |
CN105884040A (zh) * | 2016-05-11 | 2016-08-24 | 长沙学院 | 一种水体脱氮材料的制备方法 |
CN107561138A (zh) * | 2017-07-31 | 2018-01-09 | 河海大学 | 一种铁交联氧化海藻酸钠修饰玻碳电极的制备方法及应用 |
CN108097056A (zh) * | 2017-12-13 | 2018-06-01 | 河南工程学院 | 一种阳离子交换膜的制备方法 |
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Address after: 314500 Building 1, 3, 4 and 5, No. 296 Huaye Road, Fengming street, Tongxiang City, Jiaxing City, Zhejiang Province Patentee after: Zhejiang Zhiyuan Environmental Technology Co.,Ltd. Address before: 314500 Building 1, 3, 4 and 5, No. 296 Huaye Road, Fengming street, Tongxiang City, Jiaxing City, Zhejiang Province Patentee before: Zhejiang Zhiyuan Environmental Technology Co.,Ltd. |
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Date of cancellation: 20230517 Granted publication date: 20210504 Pledgee: Zhejiang Tongxiang rural commercial bank Limited by Share Ltd. Feng Ming sub branch Pledgor: Zhejiang Zhiyuan Environmental Technology Co.,Ltd. Registration number: Y2021330001838 |