CN105413481A - Modified polyurethane plate ultrafiltration membrane used in industrial water processing - Google Patents
Modified polyurethane plate ultrafiltration membrane used in industrial water processing Download PDFInfo
- Publication number
- CN105413481A CN105413481A CN201511013556.5A CN201511013556A CN105413481A CN 105413481 A CN105413481 A CN 105413481A CN 201511013556 A CN201511013556 A CN 201511013556A CN 105413481 A CN105413481 A CN 105413481A
- Authority
- CN
- China
- Prior art keywords
- surface layer
- membrane
- ultrafiltration membrane
- polyethylene glycol
- plate ultrafiltration
- 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
- 239000012528 membrane Substances 0.000 title claims abstract description 34
- 229920002635 polyurethane Polymers 0.000 title claims abstract description 23
- 239000004814 polyurethane Substances 0.000 title claims abstract description 23
- 238000000108 ultra-filtration Methods 0.000 title claims abstract description 18
- 239000008235 industrial water Substances 0.000 title abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000002202 Polyethylene glycol Substances 0.000 claims abstract description 20
- 229920001223 polyethylene glycol Polymers 0.000 claims abstract description 20
- 239000002344 surface layer Substances 0.000 claims abstract description 20
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000002994 raw material Substances 0.000 claims abstract description 18
- 239000000835 fiber Substances 0.000 claims abstract description 11
- 229920005749 polyurethane resin Polymers 0.000 claims abstract description 11
- 244000198134 Agave sisalana Species 0.000 claims abstract description 10
- 239000000020 Nitrocellulose Substances 0.000 claims abstract description 10
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229920001220 nitrocellulos Polymers 0.000 claims abstract description 10
- 239000010410 layer Substances 0.000 claims abstract description 9
- 229920000058 polyacrylate Polymers 0.000 claims abstract description 7
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims abstract description 6
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims abstract description 6
- SLINHMUFWFWBMU-UHFFFAOYSA-N Triisopropanolamine Chemical compound CC(O)CN(CC(C)O)CC(C)O SLINHMUFWFWBMU-UHFFFAOYSA-N 0.000 claims abstract description 6
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000004327 boric acid Substances 0.000 claims abstract description 6
- YACLQRRMGMJLJV-UHFFFAOYSA-N chloroprene Chemical compound ClC(=C)C=C YACLQRRMGMJLJV-UHFFFAOYSA-N 0.000 claims abstract description 6
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 6
- 229940070765 laurate Drugs 0.000 claims abstract description 6
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 claims abstract description 6
- 239000011976 maleic acid Substances 0.000 claims abstract description 6
- 229920000728 polyester Polymers 0.000 claims abstract description 6
- 229920001169 thermoplastic Polymers 0.000 claims abstract description 6
- 239000004416 thermosoftening plastic Substances 0.000 claims abstract description 6
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims abstract description 6
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 claims abstract description 5
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 claims abstract description 5
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 24
- 238000003756 stirring Methods 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 14
- 230000008569 process Effects 0.000 claims description 13
- 239000004417 polycarbonate Substances 0.000 claims description 10
- 229920000515 polycarbonate Polymers 0.000 claims description 10
- 240000007817 Olea europaea Species 0.000 claims description 8
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 8
- 238000011144 upstream manufacturing Methods 0.000 claims description 8
- 239000002253 acid Substances 0.000 claims description 5
- POULHZVOKOAJMA-UHFFFAOYSA-M dodecanoate Chemical compound CCCCCCCCCCCC([O-])=O POULHZVOKOAJMA-UHFFFAOYSA-M 0.000 claims description 5
- 150000002148 esters Chemical class 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 4
- 239000002352 surface water Substances 0.000 claims description 4
- 230000004907 flux Effects 0.000 abstract description 5
- 229920002521 macromolecule Polymers 0.000 abstract description 3
- 239000003344 environmental pollutant Substances 0.000 abstract description 2
- -1 laurate diester Chemical class 0.000 abstract description 2
- 231100000719 pollutant Toxicity 0.000 abstract description 2
- 239000010865 sewage Substances 0.000 abstract description 2
- FJWGYAHXMCUOOM-QHOUIDNNSA-N [(2s,3r,4s,5r,6r)-2-[(2r,3r,4s,5r,6s)-4,5-dinitrooxy-2-(nitrooxymethyl)-6-[(2r,3r,4s,5r,6s)-4,5,6-trinitrooxy-2-(nitrooxymethyl)oxan-3-yl]oxyoxan-3-yl]oxy-3,5-dinitrooxy-6-(nitrooxymethyl)oxan-4-yl] nitrate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O)O[C@H]1[C@@H]([C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@@H](CO[N+]([O-])=O)O1)O[N+]([O-])=O)CO[N+](=O)[O-])[C@@H]1[C@@H](CO[N+]([O-])=O)O[C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O FJWGYAHXMCUOOM-QHOUIDNNSA-N 0.000 abstract 1
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 abstract 1
- 235000019439 ethyl acetate Nutrition 0.000 abstract 1
- 230000014759 maintenance of location Effects 0.000 abstract 1
- 229910052901 montmorillonite Inorganic materials 0.000 abstract 1
- 238000001179 sorption measurement Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 238000001914 filtration Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 150000002605 large molecules Chemical class 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000004695 Polyether sulfone Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- HCOLPNRPCMFHOH-UHFFFAOYSA-N Prodigiosin Natural products CCCCCC1C=C(C=C/2N=C(C=C2OC)c3ccc[nH]3)N=C1C HCOLPNRPCMFHOH-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 229920002301 cellulose acetate Polymers 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000000149 chemical water pollutant Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009881 electrostatic interaction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012510 hollow fiber Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 229920006393 polyether sulfone Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920006264 polyurethane film Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- TWFGRJUTAULJPZ-USZBIXTISA-N prodigiosin Chemical compound N1=C(C)C(CCCCC)=C\C1=C/C1=NC(C=2[N]C=CC=2)=C[C]1OC TWFGRJUTAULJPZ-USZBIXTISA-N 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0079—Manufacture of membranes comprising organic and inorganic components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/50—Polycarbonates
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/12—Specific ratios of components used
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/26—Electrical properties
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention relates to a modified polyurethane plate ultrafiltration membrane used in industrial water processing. The plate ultrafiltration membrane comprises a water input surface layer and a water output surface layer. The water input surface layer comprises the following raw materials: polycarbonate-type polyurethane resin, chloroprene, polyacrylate, polyurethane, triethanolamine, dibutyl phthalate, sisal fiber, acetic ester and boric acid. The water output surface layer comprises the following raw materials: polycarbonate-type polyurethane resin, nitrocellulose, maleic acid, hydroxyl terminated thermoplastic polyester, montmorillonite, polyethylene glycol, triisopropanolamine, polyethylene glycol laurate diester and butyl acetate. The prepared modified polyurethane plate ultrafiltration membrane raises the retention rate of macro-molecule organic matters, the COD removal rate of sewage is raised greatly, the membrane surface electrostatic effect is changed, adsorption of the membrane surface to pollutants is stopped, the micropore number and the connectivity of the membrane layer are raised, thus the pure water flux of the plate ultrafiltration membrane is raised greatly, the membrane elasticity is raised, and the high-elasticity membrane die with the structure can be suitable for large-flow current impact.
Description
Technical field
The present invention relates to a kind of flat plate ultrafiltration membrane, be specifically related to the modified polyurethane flat plate ultrafiltration membrane used in a kind of water for industrial use process, belong to water treatment field.
Background technology
Membrane separation technique is a kind ofly widely used in that solution or gaseous matter are separated, the concentrated and isolation technics of purifying.Membranous wall micropore gathers, and stoste is under a certain pressure by the side of film, and solvent and Small molecular solute are filter liquor through membranous wall, and large molecule solute tunicle retains, and reaches separating substances and concentrated object.Membrane separating process is dynamic filtration process, and large molecule solute is intercepted by membranous wall, flows out with concentrate, can Long-Time Service continuously.Filter process can run under normal temperature, low pressure, without phase-state change, energy-efficient.
The micropore filtering film of milipore filter to be nominal pore scope be 0.001-0.02 micron, its in water for industrial use process should be very extensive.Can be divided into inoranic membrane and organic film according to material, wherein inoranic membrane mainly ceramic membrane and metal film, organic film is made up of macromolecular material, as cellulose acetate, polyether sulfone, aromatic polyamide, polyurethane etc.Shape difference according to film can be divided into Flat Membrane, tubular membrane, capillary-pipe film and hollow-fibre membrane.Wherein polyurethane material has diversity and controllability, good biocompatibility and chemical stability, the resistance to water of performance, is one of a kind of novel film materials day by day come into one's own.
But mainly there is following shortcoming in existing polyurethane flat plate ultrafiltration membrane:
1, in the former water process of separation, surface can deposit a large amount of impurity and particle, and along with the accumulation of impurity particle, the effective area of film diminishes gradually, and membrane flux reduces, and filter efficiency is deteriorated;
2, the poor flexibility of film, is difficult to the purified treatment of large discharge water body;
3, traditional polypropylene hollow fiber milipore filter cleaning method adopts gas or liquid backwash, and such action need introduces external equipment, and filter process must stop, and improves operating cost, and easily causes the damage of film.
Summary of the invention
The object of the invention is the defect overcoming prior art, the modified polyurethane flat plate ultrafiltration membrane used in a kind of water for industrial use process is provided, include water surface layer and water outlet surface layer.
Described upstream face layer comprises the raw material of following weight portion:
Polycarbonate polyurethane resin 60-80,
Chlorobutadiene 2-4,
Polyacrylate 3-8,
Polyurethanes 1-2,
Triethanolamine 2-5,
Dibutyl phthalate 0.5-4,
Sisal fiber 2-5;
Ethyl acetate 6-10,
Boric acid 4-8;
Described water outlet surface layer comprises the raw material of following weight portion:
Polycarbonate polyurethane resin 60-80,
Nitrocellulose 1-2,
Maleic acid 3-6,
Terminal hydroxy group thermoplastic polyester 1-2,
Cover the native 5-10 of holder,
Polyethylene glycol 6-12,
Triisopropanolamine 3-6,
Polyethylene glycol laurate dibasic acid esters 2-10
Butyl acetate 5-10.
Preferably, imvite, nitrocellulose are ground to 60-100 order according to after the weight mixing of 5:1, add polyethylene glycol, Silane coupling agent KH550 again, 80 DEG C, stir 30min under 500r/min condition, about 600 orders are ground to after drying, add citric acid and olive wet goods again, under about 160 DEG C of rotating speed 500r/min, stir 5-10h, namely can be used as water outlet surface layer after cooling raw materials used.
Preferably, sisal fiber is ground to 60-100 order, add polyethylene glycol, Silane coupling agent KH550 again, 80 DEG C, stir 30min under 500r/min condition, about 600 orders are ground to after drying, add citric acid and olive wet goods again, under about 160 DEG C of rotating speed 500r/min, stir 5-10h, after cooling, namely can be used as the raw materials used product of upstream face layer.
The present invention has the following advantages:
(1) polycarbonate polyurethane resinous coat has very high elasticity, and in polycarbonate polyurethane resin, add the elasticity that the modified additives such as polyacrylate, polyurethanes, polyethylene glycol laurate dibasic acid esters, terminal hydroxy group thermoplastic polyester can improve film further, the highly elastic film prodigiosin of this structure adapts to the water impact of large discharge, improves film strength and service life.
(2) in polyurethane film, add nitrocellulose, sisal fiber, Meng Tuo local soil type divide the micropore quantity and connectedness that add rete, and the distribution of micropore is uniformly dispersed more, and the pure water flux of flat plate ultrafiltration membrane is significantly promoted.
(3) the composite generation synergy of these five kinds of materials of chlorobutadiene, polyacrylate, ethyl acetate, boric acid and maleic acid, improves the rejection of film to larger molecular organics, the COD clearance of sewage is significantly improved.
(4) triisopropanolamine, triethanolamine, polyethylene glycol change the electrostatic interaction on film surface, prevent the absorption of film surface to pollutant.
Detailed description of the invention
Below by embodiment, technical scheme of the present invention is described in further detail.
Embodiment 1:
The modified polyurethane flat plate ultrafiltration membrane used in water for industrial use process, includes water surface layer and water outlet surface layer.
Described upstream face layer comprises the raw material of following weight portion:
Polycarbonate polyurethane resin 60,
Chlorobutadiene 2,
Polyacrylate 3,
Polyurethanes 1,
Triethanolamine 2,
Dibutyl phthalate 0.5,
Sisal fiber 2;
Ethyl acetate 6,
Boric acid 4;
Sisal fiber is ground to 60-100 order, add polyethylene glycol, Silane coupling agent KH550 again, 80 DEG C, stir 30min under 500r/min condition, about 600 orders are ground to after drying, add citric acid and olive wet goods again, under about 160 DEG C of rotating speed 500r/min, stir 5-10h, after cooling, namely can be used as the raw materials used product of upstream face layer.
Described water outlet surface layer comprises the raw material of following weight portion:
Polycarbonate polyurethane resin 60,
Nitrocellulose 1,
Maleic acid 3,
Terminal hydroxy group thermoplastic polyester 1,
Cover holder soil 5,
Polyethylene glycol 6,
Triisopropanolamine 3,
Polyethylene glycol laurate dibasic acid esters 2,
Butyl acetate 5.
Imvite, nitrocellulose are ground to 60-100 order according to after the weight mixing of 5:1, add polyethylene glycol, Silane coupling agent KH550 again, 80 DEG C, stir 30min under 500r/min condition, about 600 orders are ground to after drying, add citric acid and olive wet goods again, under about 160 DEG C of rotating speed 500r/min, stir 5-10h, namely can be used as water outlet surface layer after cooling raw materials used.
Above-mentioned modified polyurethane flat plate ultrafiltration membrane is applied to the process of certain animal farm wastewater, after pretreatment, the COD entering water is 3600-5200mg/L, the COD of water outlet is 120-210mg/L, clearance is 96.0-96.7%, and treating capacity is 2000L/d, and membrane flux during operation on average can reach 20L/(m
2.h)
Embodiment 2:
The modified polyurethane flat plate ultrafiltration membrane used in water for industrial use process, includes water surface layer and water outlet surface layer.
Described upstream face layer comprises the raw material of following weight portion:
Polycarbonate polyurethane resin 80,
Chlorobutadiene 4,
Polyacrylate 8,
Polyurethanes 2,
Triethanolamine 5,
Dibutyl phthalate 4,
Sisal fiber 5;
Ethyl acetate 10,
Boric acid 8;
Sisal fiber is ground to 60-100 order, add polyethylene glycol, Silane coupling agent KH550 again, 80 DEG C, stir 30min under 500r/min condition, about 600 orders are ground to after drying, add citric acid and olive wet goods again, under about 160 DEG C of rotating speed 500r/min, stir 5-10h, after cooling, namely can be used as the raw materials used product of upstream face layer.
Described water outlet surface layer comprises the raw material of following weight portion:
Polycarbonate polyurethane resin 80,
Nitrocellulose 2,
Maleic acid 6,
Terminal hydroxy group thermoplastic polyester 2,
Cover holder soil 10,
Polyethylene glycol 12,
Triisopropanolamine 6,
Polyethylene glycol laurate dibasic acid esters 10
Butyl acetate 10.
Imvite, nitrocellulose are ground to 60-100 order according to after the weight mixing of 5:1, add polyethylene glycol, Silane coupling agent KH550 again, 80 DEG C, stir 30min under 500r/min condition, about 600 orders are ground to after drying, add citric acid and olive wet goods again, under about 160 DEG C of rotating speed 500r/min, stir 5-10h, namely can be used as water outlet surface layer after cooling raw materials used.
Above-mentioned painting modified polyurethane flat plate ultrafiltration membrane is applied to the process of certain landfill leachate, after pretreatment, the COD entering water is 2400-4100mg/L, the COD of water outlet is 120-220mg/L, clearance is 94.4-95%, treating capacity is 1500L/d, and membrane flux during operation on average can reach 20L/(m
2.h)
The above; be only the specific embodiment of the present invention; but protection scope of the present invention is not limited thereto; any those of ordinary skill in the art are in the technical scope disclosed by the present invention; the change can expected without creative work or replacement, all should be encompassed within protection scope of the present invention.Therefore, the protection domain that protection scope of the present invention should limit with claims is as the criterion.
Claims (3)
1. the modified polyurethane flat plate ultrafiltration membrane used in water for industrial use process, includes water surface layer and water outlet surface layer, it is characterized in that:
Described upstream face layer comprises the raw material of following weight portion:
Polycarbonate polyurethane resin 60-80,
Chlorobutadiene 2-4,
Polyacrylate 3-8,
Polyurethanes 1-2,
Triethanolamine 2-5,
Dibutyl phthalate 0.5-4,
Sisal fiber 2-5,
Ethyl acetate 6-10,
Boric acid 4-8;
Described water outlet surface layer comprises the raw material of following weight portion:
Polycarbonate polyurethane resin 60-80,
Nitrocellulose 1-2,
Maleic acid 3-6,
Terminal hydroxy group thermoplastic polyester 1-2,
Cover the native 5-10 of holder,
Polyethylene glycol 6-12,
Triisopropanolamine 3-6,
Polyethylene glycol laurate dibasic acid esters 2-10
Butyl acetate is about 5-10.
2. modified polyurethane flat plate ultrafiltration membrane according to claim 1, it is characterized in that, imvite, nitrocellulose are ground to 60-100 order according to after the weight mixing of 5:1, add polyethylene glycol, Silane coupling agent KH550 again, 80 DEG C, stir 30min under 500r/min condition, be ground to about 600 orders after drying, then add citric acid and olive wet goods, under about 160 DEG C of rotating speed 500r/min, stir 5-10h, namely can be used as water outlet surface layer after cooling raw materials used.
3. modified polyurethane flat plate ultrafiltration membrane according to claim 1, it is characterized in that, sisal fiber is ground to 60-100 order, add polyethylene glycol, Silane coupling agent KH550 again, 80 DEG C, stir 30min under 500r/min condition, be ground to about 600 orders after drying, then add citric acid and olive wet goods, under about 160 DEG C of rotating speed 500r/min, stir 5-10h, namely can be used as upstream face layer after cooling raw materials used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511013556.5A CN105413481B (en) | 2015-12-31 | 2015-12-31 | A kind of modified polyurethane flat plate ultrafiltration membrane used in industrial water processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511013556.5A CN105413481B (en) | 2015-12-31 | 2015-12-31 | A kind of modified polyurethane flat plate ultrafiltration membrane used in industrial water processing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105413481A true CN105413481A (en) | 2016-03-23 |
| CN105413481B CN105413481B (en) | 2017-10-10 |
Family
ID=55492285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511013556.5A Expired - Fee Related CN105413481B (en) | 2015-12-31 | 2015-12-31 | A kind of modified polyurethane flat plate ultrafiltration membrane used in industrial water processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105413481B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10180254A (en) * | 1996-12-24 | 1998-07-07 | Nomura Micro Sci Co Ltd | Method and device for producing pure water |
| WO2008030652A1 (en) * | 2006-09-07 | 2008-03-13 | Nalco Company | Method of heavy metal removal from industrial wastewater using submerged ultrafiltration or microfiltration membranes |
| CN105126644A (en) * | 2015-08-20 | 2015-12-09 | 张哲夫 | Preparation method for polypropylene hollow fiber ultrafiltration membrane coated with high-molecular composite coating |
-
2015
- 2015-12-31 CN CN201511013556.5A patent/CN105413481B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10180254A (en) * | 1996-12-24 | 1998-07-07 | Nomura Micro Sci Co Ltd | Method and device for producing pure water |
| WO2008030652A1 (en) * | 2006-09-07 | 2008-03-13 | Nalco Company | Method of heavy metal removal from industrial wastewater using submerged ultrafiltration or microfiltration membranes |
| CA2663138C (en) * | 2006-09-07 | 2015-04-28 | Nalco Company | Method of heavy metal removal from industrial wastewater using submerged ultrafiltration or microfiltration membranes |
| CN105126644A (en) * | 2015-08-20 | 2015-12-09 | 张哲夫 | Preparation method for polypropylene hollow fiber ultrafiltration membrane coated with high-molecular composite coating |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105413481B (en) | 2017-10-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105080361A (en) | Polypropylene hollow fiber ultrafiltration membrane coated with polymer composite coating | |
| CN205323548U (en) | Filtration membrane group spare for activated sludge process sewage treatment | |
| CN204447751U (en) | A kind of labyrinth type biological purification plant | |
| CN101417187A (en) | Automatic back-flush, regeneration filter | |
| CN104030521A (en) | Wastewater treatment device | |
| CN105413481A (en) | Modified polyurethane plate ultrafiltration membrane used in industrial water processing | |
| CN206255958U (en) | One kind is applied to sponge urban ecology ground sewage processing unit | |
| CN210356664U (en) | Device for treating VOCs (volatile organic chemicals) generated in use process of water-based paint | |
| CN105642128B (en) | A kind of modified polyurethane hollow-fibre membrane used in industrial water processing | |
| CN105126644A (en) | Preparation method for polypropylene hollow fiber ultrafiltration membrane coated with high-molecular composite coating | |
| CN211896135U (en) | Non-woven composite active carbon mixing filter element | |
| CN210206463U (en) | Fermentation liquor separation and concentration device | |
| CN211896455U (en) | Reverse osmosis water treatment equipment | |
| CN209010331U (en) | A kind of sludge drying Wastewater zero-discharge treatment system | |
| CN207748963U (en) | A kind of sewage purifier | |
| CN206751574U (en) | A kind of medicinal purified water processing system | |
| CN110898599A (en) | Environment-friendly plastics exhaust gas purification device | |
| CN111285548A (en) | Sewage treatment equipment and using method thereof | |
| CN110898480B (en) | Waste water standing and flowing purification device | |
| CN104959036A (en) | Immersion ultrafiltration system for preparing reclaimed water, and application thereof | |
| CN108423892A (en) | Combined ceramic film and its component and ultrafiltration apparatus | |
| CN111888949B (en) | MOFs mixed matrix filtering material for sewage treatment and preparation method thereof | |
| CN212833338U (en) | Microbial degradation treatment equipment for domestic wastewater | |
| CN107364984A (en) | A kind of multi-stage, efficient water purification apparatus | |
| CN215439894U (en) | Ultrafiltration equipment easy to purify and separate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Tu Ruiqiang Inventor before: Wang Chunwang |
|
| TA01 | Transfer of patent application right |
Effective date of registration: 20170731 Address after: 325055 Zhejiang, Wenzhou, Longwan District, Haicheng street, Central South Road, No. 81 Applicant after: Tu Ruiqiang Address before: 362235, No. 50, South District, Yuxi village, Yonghe Town, Jinjiang, Fujian, Quanzhou Applicant before: Wang Chunwang |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190716 Address after: 300190 No. 601, 5th Gate, Building 6, Yunlongli, Xihu Road, Nankai District, Tianjin Patentee after: Ren Yayuan Address before: 325055 Zhejiang, Wenzhou, Longwan District, Haicheng street, Central South Road, No. 81 Patentee before: Tu Ruiqiang |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171010 Termination date: 20191231 |