CN106861666A - A kind of electro-catalysis membrane and preparation method thereof, wastewater treatment equipment - Google Patents
A kind of electro-catalysis membrane and preparation method thereof, wastewater treatment equipment Download PDFInfo
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- CN106861666A CN106861666A CN201710086079.8A CN201710086079A CN106861666A CN 106861666 A CN106861666 A CN 106861666A CN 201710086079 A CN201710086079 A CN 201710086079A CN 106861666 A CN106861666 A CN 106861666A
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- porous titanium
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- 238000006555 catalytic reaction Methods 0.000 title claims abstract description 63
- 239000012528 membrane Substances 0.000 title claims abstract description 63
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 24
- 238000002360 preparation method Methods 0.000 title claims abstract description 23
- 239000010936 titanium Substances 0.000 claims abstract description 51
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 45
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 38
- 229910052751 metal Inorganic materials 0.000 claims abstract description 18
- 239000002184 metal Substances 0.000 claims abstract description 18
- 229910044991 metal oxide Inorganic materials 0.000 claims abstract description 18
- 150000004706 metal oxides Chemical class 0.000 claims abstract description 15
- 239000002131 composite material Substances 0.000 claims abstract description 14
- QDZRBIRIPNZRSG-UHFFFAOYSA-N titanium nitrate Chemical compound [O-][N+](=O)O[Ti](O[N+]([O-])=O)(O[N+]([O-])=O)O[N+]([O-])=O QDZRBIRIPNZRSG-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910002651 NO3 Inorganic materials 0.000 claims abstract description 9
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000002253 acid Substances 0.000 claims abstract description 9
- 238000004140 cleaning Methods 0.000 claims abstract description 4
- 230000001681 protective effect Effects 0.000 claims abstract description 4
- 239000002351 wastewater Substances 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 9
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 6
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 3
- 229910052787 antimony Inorganic materials 0.000 claims description 3
- 229910052789 astatine Inorganic materials 0.000 claims description 3
- 229910052797 bismuth Inorganic materials 0.000 claims description 3
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 229910052733 gallium Inorganic materials 0.000 claims description 3
- 229910052732 germanium Inorganic materials 0.000 claims description 3
- 229910052735 hafnium Inorganic materials 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 229910052738 indium Inorganic materials 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 229910052747 lanthanoid Inorganic materials 0.000 claims description 3
- 150000002602 lanthanoids Chemical class 0.000 claims description 3
- 229910052749 magnesium Inorganic materials 0.000 claims description 3
- 229910052748 manganese Inorganic materials 0.000 claims description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 229910052758 niobium Inorganic materials 0.000 claims description 3
- 235000006408 oxalic acid Nutrition 0.000 claims description 3
- 229910052763 palladium Inorganic materials 0.000 claims description 3
- 229910052703 rhodium Inorganic materials 0.000 claims description 3
- 229910052707 ruthenium Inorganic materials 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 229910052715 tantalum Inorganic materials 0.000 claims description 3
- 229910052718 tin Inorganic materials 0.000 claims description 3
- 229910052721 tungsten Inorganic materials 0.000 claims description 3
- 229910052720 vanadium Inorganic materials 0.000 claims description 3
- 229910052727 yttrium Inorganic materials 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- 229910052726 zirconium Inorganic materials 0.000 claims description 3
- 230000003197 catalytic effect Effects 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims 1
- 238000001035 drying Methods 0.000 claims 1
- 230000005611 electricity Effects 0.000 claims 1
- 150000002500 ions Chemical class 0.000 abstract description 8
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 6
- 229910000000 metal hydroxide Inorganic materials 0.000 abstract description 6
- 150000004692 metal hydroxides Chemical class 0.000 abstract description 6
- 239000000126 substance Substances 0.000 abstract description 6
- 239000002244 precipitate Substances 0.000 abstract description 5
- 230000009467 reduction Effects 0.000 abstract description 3
- 239000010865 sewage Substances 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 7
- 229910002451 CoOx Inorganic materials 0.000 description 6
- 238000001914 filtration Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 229910007667 ZnOx Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000005202 decontamination Methods 0.000 description 2
- 230000003588 decontaminative effect Effects 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000010842 industrial wastewater Substances 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000010944 silver (metal) Substances 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- ONDPHDOFVYQSGI-UHFFFAOYSA-N zinc nitrate Chemical compound [Zn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ONDPHDOFVYQSGI-UHFFFAOYSA-N 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- UFMZWBIQTDUYBN-UHFFFAOYSA-N cobalt dinitrate Chemical compound [Co+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O UFMZWBIQTDUYBN-UHFFFAOYSA-N 0.000 description 1
- 229910001981 cobalt nitrate Inorganic materials 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000001027 hydrothermal synthesis Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
- B01J21/063—Titanium; Oxides or hydroxides thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/06—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of zinc, cadmium or mercury
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/74—Iron group metals
- B01J23/75—Cobalt
-
- B01J35/33—
-
- B01J35/59—
-
- 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
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
- C02F1/4676—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electroreduction
- C02F1/4678—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electroreduction of metals
-
- 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
- C02F2101/20—Heavy metals or heavy metal compounds
-
- 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
- C02F2101/30—Organic compounds
Abstract
The present invention is applied to field of environment protection, there is provided a kind of electro-catalysis membrane and preparation method thereof, wastewater treatment equipment.The preparation method is comprised the following steps：POROUS TITANIUM model is prepared, is placed in acid solution and is pre-processed, cleaned, the length of the POROUS TITANIUM is 400~700mm, and width is 230~350mm, and thickness is 3~5mm；Prepare the nitrate solution of the metal；POROUS TITANIUM after cleaning is placed in the nitrate solution carries out ultrasonically treated, dry, acquisition POROUS TITANIUM nitric acid salt composite；The POROUS TITANIUM nitric acid salt composite is placed in protective gas and is calcined, obtain electro-catalysis membrane.The electro-catalysis membrane that the present invention is provided is nano level POROUS TITANIUM structure, metal oxide is filled at its POROUS TITANIUM hole, it is derived from a kind of new Subjective and Objective electro-catalysis membrane with catalysis reduction, a large amount of macromolecular organic pollutions for being difficult to decompose in sewage can be decomposed into simple organic, heavy metal ion is converted into metal simple-substance and precipitate metal hydroxides.
Description
Technical field
The invention belongs to field of environment protection, more particularly to a kind of electro-catalysis membrane and preparation method thereof, wastewater treatment equipment.
Background technology
With the development of society and economy, family and industrial wastewater yield increase year by year, containing big especially in industrial wastewater
The larger molecular organicses and heavy metal ion of amount, if arbitrarily discharge, not only pollutes environment, and waste water is into following in underground water
Ring, can in turn influence the health of the mankind.In recent years, waste water handling problem has turned into puzzlement the important of socio-economic development and has asked
Topic.
Existing wastewater treatment equipment simply simply carries out solid recycling and electrolysis treatment, and such device is not
Only volume is too big, bad handling, and cost is high, cost is expensive, and treatment effeciency is low, it is also difficult to maintain.
Therefore, the prior art is defective, need to improve.
The content of the invention
In order to solve the above technical problems, the invention provides a kind of electro-catalysis membrane and preparation method thereof, wastewater treatment equipment.
The present invention is achieved in that a kind of preparation method of electro-catalysis membrane, comprises the following steps：
Prepare POROUS TITANIUM model, be placed in acid solution and pre-processed, clean, the length of the POROUS TITANIUM for 400~
700mm, width is 230~350mm, and thickness is 3~5mm；
Prepare the nitrate solution of the metal, the metal be Mg, Zn, Cu, Ag, Ti, Zr, Hf, V, Nb, Ta, Cr,
At least one in Mo, W, Mn, Fe, Co, Ni, Ru, Rh, Pd, Os, Sc, Y, lanthanide series metal, Sn, Sb, Bi, In, Ga, Ge；
POROUS TITANIUM after cleaning is placed in the nitrate solution carries out ultrasonically treated, dry, acquisition POROUS TITANIUM-nitric acid
Salt composite；
The POROUS TITANIUM-nitric acid salt composite is placed in protective gas and is calcined, obtain electro-catalysis membrane.
Present invention also offers a kind of electro-catalysis membrane, it is made of the preparation method of electro-catalysis membrane described above.
Present invention also offers a kind of wastewater treatment equipment, including water inlet, delivery port, the wastewater treatment equipment is also wrapped
The electro-catalysis membrane and dc source of interconnection are included, the electro-catalysis membrane is installed on the delivery port；The electro-catalysis membrane is
Electro-catalysis membrane described above.
Compared with prior art, beneficial effect is the present invention：Electro-catalysis membrane provided in an embodiment of the present invention is nanoscale
POROUS TITANIUM structure, at its POROUS TITANIUM hole fill metal oxide, be derived from it is a kind of with catalysis reduction it is new
Type Subjective and Objective electro-catalysis membrane, well can be decomposed into a large amount of macromolecular organic pollutions for being difficult to decompose in sewage simply has
Machine thing, heavy metal ion is converted into metal simple-substance and precipitate metal hydroxides, and pollutants removal rate is high, decontamination thoroughly,
Efficiency high.
Wastewater treatment equipment provided in an embodiment of the present invention, including above-mentioned offer electro-catalysis membrane, waste water entering water outlet
Needed to first pass through the electro-catalysis membrane before mouthful.When waste water is processed, nanometer porous titanium-metal oxide is in waste water
Larger molecular organicses, heavy metal ion carry out redox decomposition, are allowed to be changed into harmless small organic molecule, metal respectively
Simple substance and precipitate metal hydroxides.Additionally, wastewater treatment equipment small volume, easy to loading and unloading.It can be seen that, using nano-oxide/
Porous titanium-type composite Nano level material constitutes wastewater treatment equipment, and treatment effeciency is high, and low cost, simple structure.
Brief description of the drawings
Fig. 1 is the structural representation of the wastewater treatment equipment that third embodiment of the invention is provided.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
First embodiment of the invention provides a kind of preparation method of electro-catalysis membrane, comprises the following steps：
Prepare POROUS TITANIUM model, be placed in acid solution and pre-processed, clean, the length of the POROUS TITANIUM for 400~
700mm, width is 230~350mm, and thickness is 3~5mm；
Prepare the nitrate solution of the metal, the metal be Mg, Zn, Cu, Ag, Ti, Zr, Hf, V, Nb, Ta, Cr,
At least one in Mo, W, Mn, Fe, Co, Ni, Ru, Rh, Pd, Os, Sc, Y, lanthanide series metal, Sn, Sb, Bi, In, Ga, Ge；
POROUS TITANIUM after cleaning is placed in the nitrate solution carries out ultrasonically treated, dry, acquisition POROUS TITANIUM-nitric acid
Salt composite；
The POROUS TITANIUM-nitric acid salt composite is placed in protective gas and is calcined, obtain electro-catalysis membrane.
The preparation method of the electro-catalysis membrane that first embodiment of the invention is provided, prepares POROUS TITANIUM model first, described porous
Titanium is fixed material, and fixed nano-scale oxide is required shape.Then POROUS TITANIUM is combined into the nitrate of metal
POROUS TITANIUM-nitric acid salt composite, then roasting acquisition electro-catalysis membrane is carried out to POROUS TITANIUM-nitric acid salt composite.The preparation method
Process is simple, is easy to industrialized production.
Specifically, the preparation POROUS TITANIUM model includes：The model of needs is bonded into by organic matter and POROUS TITANIUM, then
High temperature sintering is carried out to model, makes organic matter pyrolytic, left model and there was only POROUS TITANIUM.
Specifically, the acid solution is the weak acid such as oxalic acid, phosphoric acid, acetic acid, and the mass fraction of the acid solution is 0-
15%.
Specifically, the hole of the POROUS TITANIUM is 5~50 μm.The porosity of the POROUS TITANIUM is 25%~35%.It is described
Electro-catalysis membrane includes nanometer porous titanium and metal oxide, and the metal oxide is filled in the hole of the POROUS TITANIUM.
Specifically, the ultrasonically treated frequency is 20KHz-500MHz, and the time is 0.3-0.5h.It is described ultrasonically treated to be
In order to remove the medicaments such as the soda acid for adhering to composite surface, by sonic oscillation, it is easier to clean up.The temperature of the roasting
It is 100-950 DEG C to spend, and the time is 3-5h.The effect of the roasting is by the nitric acid in the POROUS TITANIUM-nitric acid salt composite
Salt is decomposed, and produces metal oxide, so as to obtain the electro-catalysis membrane of POROUS TITANIUM and metal oxide composition.
Second embodiment of the invention provides a kind of electro-catalysis membrane, using the preparation method system of electro-catalysis membrane described above
Into.
The electro-catalysis membrane that second embodiment of the invention is provided is nano level POROUS TITANIUM structure, is filled out at its POROUS TITANIUM hole
Metal oxide is filled, a kind of new Subjective and Objective electro-catalysis membrane with catalysis reduction is derived from, the electro-catalysis membrane can
So that a large amount of macromolecular organic pollution for being difficult to decompose in sewage is decomposed into small organic molecule well, by heavy metal ion
Metal simple-substance and precipitate metal hydroxides are converted into, and pollutants removal rate is high, and decontamination is thorough, efficiency high.
Specifically, the electro-catalysis membrane includes nanometer porous titanium and metal oxide, and the nanometer porous titanium has
Hole, the metal oxide is filled in the hole.
Specifically, porous titanium material has tubing and the major class of sheet material two.The length of the POROUS TITANIUM is 400~700mm, width
It is 230~350mm, thickness is 3~5mm.
Referring to Fig. 1, third embodiment of the invention provides a kind of wastewater treatment equipment 100, including water inlet 1, delivery port
2, wastewater treatment equipment 100 also includes the electro-catalysis membrane 3 and dc source 4 that interconnect, and electro-catalysis membrane 3 is installed on delivery port 2
On；Electro-catalysis membrane 3 is electro-catalysis membrane described above.
The wastewater treatment equipment 100 that third embodiment of the invention is provided, including above-mentioned offer electro-catalysis membrane, waste water entering
Need to first pass through the electro-catalysis membrane before entering delivery port.When waste water is processed, nanometer porous titanium-metal oxide is to useless
Larger molecular organicses, heavy metal ion in water carry out redox decomposition, are allowed to be changed into harmless small molecule respectively organic
Thing, metal simple-substance and precipitate metal hydroxides.Additionally, wastewater treatment equipment small volume, easy to loading and unloading.It can be seen that, using nanometer
Oxide/porous titanium-type composite Nano level material constitutes wastewater treatment equipment, and treatment effeciency is high, and low cost, simple structure.
Specifically, dc source 4 includes positive pole and negative pole, and the positive pole is connected with electro-catalysis membrane 3, and the negative pole is placed in useless
In water.Wastewater treatment equipment 100 also includes the retracting device 5 for collecting solid impurity in waste water.Retracting device 5 not only can be with
Original solid matter in waste water is collected, prevents original solid matter to be stacked into the surface of electro-catalysis membrane 3 and have influence on
The catalytic performance of electro-catalysis membrane 3；And the metal simple-substance and metal hydroxide that will can be produced through the electrolysis treatment of electro-catalysis membrane 3
Thing precipitation is collected, and mitigates the follow-up treatment effeciency of waste water.
Wastewater treatment equipment 100 also includes the filtering dress for the solid impurity reclaimed in retracting device 5 to be filtered
6 are put, filter 6 is connected with retracting device 5.The solid matter that filter 6 will can be collected into carries out filtration treatment, Jin Erjin
Row subsequent treatment.
Wastewater treatment equipment 100 is also included for the solid matter that filter 6 produced after filtration treatment to be carried out
Solid matter can be pressed into filter cake, facilitate follow-up recycling by the filter-pressing device 7 of press filtration treatment, filter-pressing device 7.
Technical scheme is described further below in conjunction with specific embodiment.
The preparation of the porous metals titanium of embodiment 1-metal oxide nanostructure composite catalyst
The present embodiment is with CoOx/Ti as membrane material：
POROUS TITANIUM model is prepared, the POROUS TITANIUM model of preparation is placed in oxalic acid solution (mass fraction is 10-15%) in advance
Treatment 3-5h, after being washed with deionized water only, is placed in dipping 0.5h in cobalt nitrate solution (30-50%), and ultrasonically treated, then room
Dried under temperature.
Coated film is placed in tube furnace, is calcined to 400 DEG C under inert gas atmosphere protection, keep 3-5h, obtained
To POROUS TITANIUM/metal oxide electro-catalysis membrane, as CoOx/Ti films.
After measured, the porosity 28% of resulting CoOx/Ti films, pore size is 5.8 μm；Through performance is 70m3/
m2·kpa·h。
The diactinic test process is：The solution of a known ion composition and concentration is made, is placed it in
One side of container, the opposing party is pure water solution, is separated with CoOx films between two kinds of liquid.Every 1h, pure water is measured
Ion component and concentration in solution, are derived from the through performance of CoOx films.
Embodiment 2
The present embodiment is with ZnOx/Ti as membrane material：
POROUS TITANIUM model is prepared, the POROUS TITANIUM model of preparation is placed in phosphoric acid solution (mass fraction is 10-15%) in advance
Treatment 3-5h, after being cleaned with acetone, coats one layer of zinc oxide nanocrystalline cushion, is placed in zinc nitrate and hexa solution
Hydro-thermal reaction 30-48h in (30-50%), and it is adjoint ultrasonically treated, and the temperature of the reaction is 120 degree, is then dried in the air at room temperature
It is dry.
Coated film is placed in tube furnace, is calcined to 750 DEG C under inert gas atmosphere protection, keep 3-5h, obtained
To POROUS TITANIUM/metal oxide electro-catalysis membrane, as ZnOx/Ti films.
After measured, the porosity 32% of resulting CoOx/Ti films, pore size is 25 μm, and through performance is 120m3/
m2·kpa·h。
The diactinic test process is with embodiment 1.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in essence of the invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of preparation method of electro-catalysis membrane, it is characterised in that comprise the following steps：
Prepare POROUS TITANIUM model, be placed in acid solution and pre-processed, clean, the length of the POROUS TITANIUM for 400~
700mm, width is 230~350mm, and thickness is 3~5mm；
Prepare the nitrate solution of the metal, the metal be Mg, Zn, Cu, Ag, Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W,
At least one in Mn, Fe, Co, Ni, Ru, Rh, Pd, Os, Sc, Y, lanthanide series metal, Sn, Sb, Bi, In, Ga, Ge；
POROUS TITANIUM after cleaning is placed in the nitrate solution carries out ultrasonically treated, drying, obtains POROUS TITANIUM-nitrate multiple
Compound；
The POROUS TITANIUM-nitric acid salt composite is placed in protective gas and is calcined, obtain electro-catalysis membrane.
2. the preparation method of electro-catalysis membrane as claimed in claim 1, it is characterised in that the acid solution be oxalic acid, phosphoric acid,
At least one in acetic acid.
3. the preparation method of electro-catalysis membrane as claimed in claim 1, it is characterised in that the hole of the POROUS TITANIUM is 5~50 μ
m。
4. the preparation method of electro-catalysis membrane as claimed in claim 1, it is characterised in that the electro-catalysis membrane includes that nanoscale is more
Hole titanium and metal oxide, the metal oxide are filled in the hole of the POROUS TITANIUM.
5. the preparation method of electro-catalysis membrane as claimed in claim 1, it is characterised in that the ultrasonically treated frequency is
20KHz-500MHz, the time is 0.3-0.5h.
6. the preparation method of electro-catalysis membrane as claimed in claim 1, it is characterised in that the temperature of the roasting is 100-950
DEG C, the time is 3-5h.
7. a kind of electro-catalysis membrane, it is characterised in that using the preparation side of the electro-catalysis membrane described in claim 1 to 6 any one
Method is made.
8. electro-catalysis membrane as claimed in claim 7, it is characterised in that the electro-catalysis membrane includes nanometer porous titanium and metal
Oxide, the nanometer porous titanium has hole, and the metal oxide is filled in the hole.
9. a kind of wastewater treatment equipment, including water inlet, delivery port, it is characterised in that the wastewater treatment equipment also includes electricity
Catalytic membrane and dc source, the electro-catalysis membrane are electrically connected with the dc source；The electro-catalysis membrane goes out described in being installed on
On the mouth of a river；The electro-catalysis membrane is the electro-catalysis membrane described in claim 7 or 8.
10. wastewater treatment equipment as claimed in claim 9, it is characterised in that the wastewater treatment equipment is also included for receiving
The retracting device of solid impurity in collection waste water.
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