CN104525222B - A kind of CNT is combined ZnIn2s4the preparation method of green deep water treatment agent - Google Patents
A kind of CNT is combined ZnIn2s4the preparation method of green deep water treatment agent Download PDFInfo
- Publication number
- CN104525222B CN104525222B CN201410843621.6A CN201410843621A CN104525222B CN 104525222 B CN104525222 B CN 104525222B CN 201410843621 A CN201410843621 A CN 201410843621A CN 104525222 B CN104525222 B CN 104525222B
- Authority
- CN
- China
- Prior art keywords
- cnt
- treatment agent
- water treatment
- preparation
- combined
- 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.)
- Expired - Fee Related
Links
Landscapes
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Physical Water Treatments (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The present invention relates to a kind of CNT and be combined ZnIn2S4The preparation method of green deep water treatment agent, including: (1) is the most carboxylated by CNT, amination modified, response type CNT is prepared in 2,4,6 trifluoro 5 chloropyrimide modifications；(2) by nanometer Zn In2S4, stabilizer, template and response type CNT join in phosphate buffer, stir 30～60min, form suspension；(3) filtration drying obtains product.The present invention's is with low cost, and preparation method is simple, and the requirement to equipment is low, and operability is good；The water treatment agent of the present invention can remove water middle and high concentration organic pollution, it is adaptable to the advanced treating of various waste water, environmental protection non-secondary pollution, and have antibacterial, deodorization, can adsorb the advantages such as other heavy metal ion.
Description
Technical field
The invention belongs to water treatment agent field, be combined ZnIn particularly to a kind of CNT2S4The preparation method of green deep water treatment agent.
Background technology
The water in the whole world the most about 10% is directly used by the mankind.Lion's share, 70% for agricultural, and remaining 20% is industrial.The blowdown of China is about the 20% of the whole world, and it has to the fresh water of global 5%.Therefore, solve pollution problem to put on the agenda.In textile printing and dyeing, leather, the paper industry course of processing, employing pollution environment and harmful auxiliary agent in a large number, these auxiliary agents mostly discharge with the form of liquid and pollute environment, biological degradability is poor, toxicity is big, and free formaldehyde content is high, the content overproof of heavy metal ion.Wherein, printing and dyeing dressing becomes water heavy polluter the most undisputedly.From starching start to desizing, wash, scouring and bleaching, mercerising, then dyeing and printing, may also need coating, be directed to washing by the every procedure of this flow process, and every every kg of material of procedure need 20L water consumption.Result is that the water consumption of every kilogram of raw cotton adds up up to 200L during dressing.When showing at shopper window after the in men's style vest of a standard customizes, more than 2000L water production and processing it time used up (cloth: cotton textiles, 125g/m).
The currently used method processing waste water mainly has: physical partition method, biological degradation method, chemical decomposition method, but these methods all have some limitations, and are unfavorable for sustainable development.Thus, people start to be devoted to exploitation efficiently, low energy consumption, applied widely and have the pollutant clearance technique of deep oxidation ability.In recent years, a lot of scholars are by ZnIn2S4For Degradation of Organo-pollutants in Water with Photo-catalysis, by ZnIn2S4Loading on CNT, preparing efficient photocatalyst becomes the focus of current research.
Summary of the invention
The technical problem to be solved is to provide a kind of CNT and is combined ZnIn2S4The preparation method of green deep water treatment agent, the method is simple to operate, with low cost, and the requirement to equipment is low；Water treatment agent is applicable to the advanced treating of various waste water, environmental protection non-secondary pollution.
A kind of CNT of the present invention is combined ZnIn2S4The preparation method of green deep water treatment agent, including:
(1) by CNT at H2SO4And HNO3Room temperature ultrasonic reaction 30～60min in mixed liquor, washing to neutrality, room temperature in vacuo is dried, is obtained carboxylic carbon nano-tube；Then carboxylic carbon nano-tube is distributed in excess diethylenetriamine, adds 2-(7-azo BTA)-N, N, N', N'-tetramethylurea hexafluorophosphoric acid ester, 40～50 DEG C of reactions 5～6h, washing with alcohol, room temperature in vacuo is dried, is obtained aminated carbon nano tube；Then by the mixed liquor of aminated carbon nano tube ultrasonic disperse to water and acetone, regulation pH value is 5～6, ice-water bath dropping 2,4,6-tri-fluoro-5-chloropyrimide, regulation pH value is 6～6.5,20～30 DEG C of ultrasonic reactions 24～48h, washing with alcohol, washing, room temperature in vacuo is dried, and irradiation (irradiation 3min under 222nm quasi-molecule ultraviolet source) obtains response type CNT；
(2) by nanometer Zn In2S4, stabilizer, response type CNT in template and step (1) join in phosphate buffer, stir 30～60min, form suspension；Wherein, nanometer Zn In2S4It is 1:5～1:20 with the mass ratio of response type CNT；
(3) regulating pH value with alkaline solution is 5～6, is heated to 80～100 DEG C of backflows 6～24h and filters, obtaining CNT and be combined ZnIn2S4Green deep water treatment agent.
CNT in described step (1) and H2SO4And HNO3The ratio of mixed liquor is 10～20g:4L；Wherein, H2SO4And HNO3Volume ratio be 1:1～5:1.
Carboxylic carbon nano-tube in described step (1) and 2-(7-azo BTA)-N, the mass ratio of N, N', N'-tetramethylurea hexafluorophosphoric acid is 5～8:0.1～0.6.
Aminated carbon nano tube in described step (1) is 4～4.5g:1L with the ratio of water and the mixed liquor of acetone；Wherein, the volume ratio of water and acetone is 3:1～5:1.
Aminated carbon nano tube in described step (1) is 4～4.5:4～6 with the mass ratio of 2,4,6-tri-fluoro-5-chloropyrimide.
Described step (1) uses sodium carbonate liquor regulation pH value.
Nanometer Zn In in described step (2)2S4Concentration is 0.01～0.2mol/L.
Stabilizer in described step (2) is the one in disodiumedetate, tetrasodium ethylenediamine tetraacetate, sodium gluconate, BTCA；Stabilizer concentration is 0.01～0.1mol/L.
The triblock polyether P123 that template is mass ratio 1:3 in described step (2) and the mixture of triblock copolymer F127；Template concentration is 0.01～0.1mol/L.
Phosphate buffer in described step (2) is made up of concentration 0.025～0.05mol/L sodium dihydrogen phosphate and 0.05～0.1mol/L dibastic sodium phosphate.
Alkaline solution in described step (3) is concentration 0.5mol/L～the sodium hydroxide of 1.5mol/L or the aqueous solution of potassium hydroxide.
CNT, as a kind of porous mass, has special interlayer characteristic, can be in its area load nanometer Zn In2S4Microgranule, is prepared as loaded catalyst.This loaded photocatalyst can improve the dispersibility of photocatalyst, is beneficial to recycle and reuse.
Feature and nanometer Zn In such as the present invention utilizes the porous of CNT, high adsorption capacity and water easily separated2S4Photocatalytic activity combine, by nanometer Zn In2S4Successfully load on CNT, it is prepared as the visible-light photocatalysis material of the high catalytic activity that can be suspended in waste water and can be separated from water smoothly, and it is applied to the advanced treating of waste water, can realize water middle and high concentration organic pollution oxidation removal, rather than transfer to elsewhere, it is the Technology of an environment-friendly type.
Beneficial effect
(1) present invention is with low cost, and preparation method is simple, and the requirement to equipment is low, and operability is good；
(2) water treatment agent of the present invention can remove water middle and high concentration organic pollution, it is adaptable to the advanced treating of various waste water, environmental protection non-secondary pollution, and have antibacterial, deodorization, can adsorb the advantages such as other heavy metal ion；
(3) water treatment agent of the present invention can overcome the deficiency of existing bismuthino water treatment agent, and water treatment efficiency is good, can recycle.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is expanded on further.Should be understood that these embodiments are merely to illustrate the present invention rather than limit the scope of the present invention.In addition, it is to be understood that after having read the content that the present invention lectures, the present invention can be made various changes or modifications by those skilled in the art, and these equivalent form of values fall within the application appended claims limited range equally.
Embodiment 1
(1) it is the H of 1:1 by 10g CNT in 4L volume ratio2SO4And HNO4Room temperature ultrasonic reaction 30min in mixed liquor, washing to neutrality, room temperature in vacuo is dried 48h, is obtained 5g carboxylic carbon nano-tube；Then above-mentioned 5g carboxylic carbon nano-tube is distributed in excess diethylenetriamine, adds 100mg 2-(7-azo BTA)-N, N, N', N'-tetramethylurea hexafluorophosphoric acid ester, 40 DEG C of reaction 5h, washing with alcohol, room temperature in vacuo is dried 48h, is obtained 4g aminated carbon nano tube；Finally by 4g aminated carbon nano tube ultrasonic disperse in the mixed liquor of the water that 1L volume ratio is 3:1 and acetone, it is 5 with sodium carbonate liquor regulation pH value, the ice-water bath dropping fluoro-5-chloropyrimide of 4g 2,4,6-tri-, it is 6 with sodium carbonate liquor regulation pH value, 20 DEG C of ultrasonic reaction 24h, washing with alcohol, washing, room temperature in vacuo dries 48h, and under 222nm quasi-molecule ultraviolet source, irradiation 3min obtains response type CNT；
(2) by nanometer Zn In2S4, disodiumedetate, mass ratio are the triblock polyether P123 of 1:3 and in the mixture of triblock copolymer F127 and above-mentioned steps (1), response type CNT joins in the buffer that concentration is 0.025mol/L sodium dihydrogen phosphate and 0.05mol/L dibastic sodium phosphate composition, stirring 30min, forms suspension；Wherein nanometer Zn In2S4Concentration be 0.01mol/L, the concentration of stabilizer be 0.01mol/L, the concentration of template be 0.05mol/L.
(3) pH value with the sodium hydrate aqueous solution above-mentioned suspension of regulation of concentration 0.5mol/L is 5, and at heating 80 DEG C, reflux 6h, filters, obtains product；Wherein nanometer Zn In2S4It is 1:5 with the mass ratio of CNT.
Embodiment 2
(1) it is the H of 3:1 by 10g CNT in 4L volume ratio2SO4And HNO4Room temperature ultrasonic reaction 45min in mixed liquor, washing to neutrality, room temperature in vacuo is dried 54h, is obtained 6.5g carboxylic carbon nano-tube；Then above-mentioned 5g carboxylic carbon nano-tube is distributed in excess diethylenetriamine, adds 300mg 2-(7-azo BTA)-N, N, N', N'-tetramethylurea hexafluorophosphoric acid ester, 45 DEG C of reaction 5h, washing with alcohol, room temperature in vacuo is dried 48h, is obtained 4.2g aminated carbon nano tube；Finally by 4.2g aminated carbon nano tube ultrasonic disperse in the mixed liquor of the water that 1L volume ratio is 4:1 and acetone, it is 5.5 with sodium carbonate liquor regulation pH value, the ice-water bath dropping fluoro-5-chloropyrimide of 5g 2,4,6-tri-, it is 6.2 with sodium carbonate liquor regulation pH value, 25 DEG C of ultrasonic reaction 36h, washing with alcohol, washing, room temperature in vacuo dries 48h, and under 222nm quasi-molecule ultraviolet source, irradiation 3min obtains response type CNT；
(2) by nanometer Zn In2S4, sodium gluconate, mass ratio are the triblock polyether P123 of 1:3 and in the mixture of triblock copolymer F127 and above-mentioned steps (1), response type CNT joins in the buffer that concentration is 0.03mol/L sodium dihydrogen phosphate and 0.05mol/L dibastic sodium phosphate composition, stirring 45min, forms suspension；Wherein nanometer Zn In2S4Concentration be 0.01mol/L, the concentration of stabilizer be 0.03mol/L, the concentration of template be 0.07mol/L.
(3) pH value with the sodium hydrate aqueous solution above-mentioned suspension of regulation of concentration 0.5mol/L is 7, and at heating 90 DEG C, reflux 16h, filters, obtains product；Wherein nanometer Zn In2S4The mass ratio of CNT is 1:15.
Embodiment 3
(1) it is the H of 5:1 by 10g CNT in 4L volume ratio2SO4And HNO4Room temperature ultrasonic reaction 60min in mixed liquor, washing to neutrality, room temperature in vacuo is dried 60h, is obtained 8g carboxylic carbon nano-tube；Then above-mentioned 8g carboxylic carbon nano-tube is distributed in excess diethylenetriamine, adds 600mg 2-(7-azo BTA)-N, N, N', N'-tetramethylurea hexafluorophosphoric acid ester, 50 DEG C of reaction 5h, washing with alcohol, room temperature in vacuo is dried 48h, is obtained 4.5g aminated carbon nano tube；Finally by 4.5g aminated carbon nano tube ultrasonic disperse in the mixed liquor of the water that 1L volume ratio is 5:1 and acetone, it is 6 with sodium carbonate liquor regulation pH value, the ice-water bath dropping fluoro-5-chloropyrimide of 6g 2,4,6-tri-, it is 6.5 with sodium carbonate liquor regulation pH value, 30 DEG C of ultrasonic reaction 48h, washing with alcohol, washing, room temperature in vacuo dries 48h, and under 222nm quasi-molecule ultraviolet source, irradiation 3min obtains response type CNT；
(2) by nanometer Zn In2S4, BTCA, mass ratio are the triblock polyether P123 of 1:3 and in the mixture of triblock copolymer F127 and above-mentioned steps (1), response type CNT joins in the buffer that concentration is 0.05mol/L sodium dihydrogen phosphate and 0.1mol/L dibastic sodium phosphate composition, stirring 60min, forms suspension；Wherein nanometer Zn In2S4Concentration 0.15mol/L, the concentration of stabilizer be 0.05mol/L, the concentration of template be 0.1mol/L.
(3) pH value with the potassium hydroxide aqueous solution above-mentioned suspension of regulation of concentration 1.5mol/L is 9, and at heating 100 DEG C, reflux 24h, filters, obtains product；Wherein nanometer Zn In2S4It is 1:20 with the mass ratio of CNT.
The dyeing waste water of the printing and dyeing mill sampled with the same time, for processing object, is separately added into the water treatment agent of embodiment 1～3 gained of variable concentrations in waste water, and after 6 hours sun exposures, water treatment agent is as shown in the table to the percent of decolourization of dyeing waste water:
| Percent of decolourization | COD clearance | |
| Embodiment 1 | 99.2% | 90.5% |
| Embodiment 2 | 99.4% | 92.3% |
| Embodiment 3 | 99.5% | 93.1% |
Claims (10)
1. a CNT is combined ZnIn2S4The preparation method of green deep water treatment agent, including:
(1) by CNT at H2SO4And HNO3Room temperature ultrasonic reaction 30～60min in mixed liquor, washing is to neutrality, room temperature
Vacuum drying, obtains carboxylic carbon nano-tube；Then carboxylic carbon nano-tube is distributed in excess diethylenetriamine, adds
2-(7-azo BTA)-N, N, N', N'-tetramethylurea hexafluorophosphoric acid ester, 40～50 DEG C of reactions 5～6h, washing with alcohol, room
Temperature vacuum drying, obtains aminated carbon nano tube；Then by aminated carbon nano tube ultrasonic disperse to water and the mixed liquor of acetone
In, regulation pH value is 5～6, and ice-water bath dropping 2,4,6-tri-fluoro-5-chloropyrimide, regulation pH value is 6～6.5,20～30 DEG C
Ultrasonic reaction 24～48h, washing with alcohol, washing, room temperature in vacuo drying, irradiation obtains response type CNT；
(2) by nanometer Zn In2S4, stabilizer, response type CNT in template and step (1) join phosphate-buffered
In liquid, stir 30～60min, form suspension；Wherein, nanometer Zn In2S4With the mass ratio of response type CNT it is
1:5～1:20；Wherein, stabilizer is disodiumedetate, tetrasodium ethylenediamine tetraacetate, sodium gluconate, butane
One in tetrabasic carboxylic acid；Template is triblock polyether P123 and the mixing of triblock copolymer F127 of mass ratio 1:3
Thing；
(3) regulating pH value with alkaline solution is 5～6, is heated to reflux and filters, obtaining CNT and be combined ZnIn2S4Green deep
Degree water treatment agent.
A kind of CNT the most according to claim 1 is combined ZnIn2S4The preparation method of green deep water treatment agent, it is special
Levy and be: the CNT in described step (1) and H2SO4And HNO3The ratio of mixed liquor is 10～20g:4L；Wherein,
H2SO4And HNO3Volume ratio be 1:1～5:1.
A kind of CNT the most according to claim 1 is combined ZnIn2S4The preparation method of green deep water treatment agent, it is special
Levy and be: the carboxylic carbon nano-tube in described step (1) and 2-(7-azo BTA)-N, N, N', N'-tetramethylurea
The mass ratio of hexafluorophosphoric acid ester is 5～8:0.1～0.6.
A kind of CNT the most according to claim 1 is combined ZnIn2S4The preparation method of green deep water treatment agent, it is special
Levy and be: the aminated carbon nano tube in described step (1) is 4～4.5g:1L with the ratio of water and the mixed liquor of acetone；Its
In, the volume ratio of water and acetone is 3:1～5:1.
A kind of CNT the most according to claim 1 is combined ZnIn2S4The preparation method of green deep water treatment agent, it is special
Levy and be: the aminated carbon nano tube in described step (1) is 4～4.5:4～6 with the mass ratio of 2,4,6-tri-fluoro-5-chloropyrimide.
A kind of CNT the most according to claim 1 is combined ZnIn2S4The preparation method of green deep water treatment agent, it is special
Levy and be: described step (1) uses sodium carbonate liquor regulation pH value.
A kind of CNT the most according to claim 1 is combined ZnIn2S4The preparation method of green deep water treatment agent, it is special
Levy and be: the stabilizer concentration in described step (2) is 0.01～0.1mol/L.
A kind of CNT the most according to claim 1 is combined ZnIn2S4The preparation method of green deep water treatment agent, it is special
Levy and be: the template concentration in described step (2) is 0.01～0.1mol/L.
A kind of CNT the most according to claim 1 is combined ZnIn2S4The preparation method of green deep water treatment agent, it is special
Levy and be: the phosphate buffer in described step (2) by concentration 0.025～0.05mol/L sodium dihydrogen phosphate and
0.05～0.1mol/L disodium hydrogen phosphate composition.
A kind of CNT the most according to claim 1 is combined ZnIn2S4The preparation method of green deep water treatment agent, it is special
Levy and be: the alkaline solution in described step (3) is concentration 0.5mol/L～the sodium hydroxide of 1.5mol/L or potassium hydroxide
Aqueous solution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410843621.6A CN104525222B (en) | 2014-12-25 | 2014-12-25 | A kind of CNT is combined ZnIn2s4the preparation method of green deep water treatment agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410843621.6A CN104525222B (en) | 2014-12-25 | 2014-12-25 | A kind of CNT is combined ZnIn2s4the preparation method of green deep water treatment agent |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104525222A CN104525222A (en) | 2015-04-22 |
| CN104525222B true CN104525222B (en) | 2016-08-17 |
Family
ID=52840955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410843621.6A Expired - Fee Related CN104525222B (en) | 2014-12-25 | 2014-12-25 | A kind of CNT is combined ZnIn2s4the preparation method of green deep water treatment agent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104525222B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109395744B (en) * | 2018-11-07 | 2021-05-25 | 江苏大学 | Ag2O quantum dot hybrid ZnIn2S4Preparation method of nanosheet p-n type composite photocatalyst |
| CN110227552A (en) * | 2019-07-10 | 2019-09-13 | 西北师范大学 | A kind of preparation method of BCN@AZIS composite catalyst |
| CN116851007A (en) * | 2023-07-11 | 2023-10-10 | 山东交通学院 | Preparation method and magnetic field assisted photocatalysis application of carbon nanotube-indium zinc sulfide nanosheet composite material |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104086094A (en) * | 2014-07-16 | 2014-10-08 | 哈尔滨工业大学 | Carbon-nanotube-containing glass fiber wetting agent, and preparation method and application thereof |
| CN104085879A (en) * | 2014-07-16 | 2014-10-08 | 哈尔滨工业大学 | Preparation method of high-concentration carbon nanotube dispersion liquid |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6821730B2 (en) * | 2001-11-09 | 2004-11-23 | Intel Corporation | Carbon nanotube molecular labels |
-
2014
- 2014-12-25 CN CN201410843621.6A patent/CN104525222B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104086094A (en) * | 2014-07-16 | 2014-10-08 | 哈尔滨工业大学 | Carbon-nanotube-containing glass fiber wetting agent, and preparation method and application thereof |
| CN104085879A (en) * | 2014-07-16 | 2014-10-08 | 哈尔滨工业大学 | Preparation method of high-concentration carbon nanotube dispersion liquid |
Non-Patent Citations (1)
| Title |
|---|
| "Preparation of a MWCNTs/ZnIn2S4 composite and its enhanced photocatalytic hydrogen production under visible-light irradiation";Bo Chai，et al;《Dalton Transactions》;20111125;第41卷;全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104525222A (en) | 2015-04-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104525173B (en) | A kind of CNT composite Ti O2the preparation method of green deep water treatment agent | |
| CN104437466B (en) | A kind of CNT is combined the preparation method of pucherite green deep water treatment agent | |
| CN107008326B (en) | A kind of preparation method of the carbon quantum dot load efficient out-phase class fenton catalyst of iron-based material | |
| CN103801284B (en) | A kind of preparation method of pucherite-graphene composite photocatalyst | |
| CN104525227B (en) | Preparation method for environment-friendly advanced water treatment agent by combining carbon nano tube and Ag/BiOX | |
| CN104475100B (en) | A kind of CNT is combined the preparation method of bismuth molybdate green deep water treatment agent | |
| CN105727901A (en) | Preparation method of titanium dioxide photocatalytic adsorbing material | |
| CN104525222B (en) | A kind of CNT is combined ZnIn2s4the preparation method of green deep water treatment agent | |
| CN102500356A (en) | Preparation method for carbon nanotube-nano-bismuth vanadate composite photocatalyst | |
| CN104528865B (en) | A kind of CNT composite S rFeO3the preparation method of green deep water treatment agent | |
| CN102489290A (en) | Preparation method of nano bismuth vanadate photocatalyst loaded on active carbon fiber | |
| CN104437639B (en) | A kind of CNT is combined the preparation method of tetrasulfonic acid iron-phthalocyanine green deep water treatment agent | |
| CN102228829A (en) | Method for preparing bentonite self-assembled green bismuth vanadate advanced water treatment agent | |
| CN106423301A (en) | Fiber/carbon nanotube/Bi2MoO6 three-dimensional recyclable efficient catalytic material as well as preparation method and application of catalytic material | |
| CN104528866B (en) | A kind of preparation method of carbon nanotube compound bismuth tungstate green deep water conditioner | |
| CN106964333B (en) | Rare earth supported catalyst for treating sewage, preparation method and application thereof, and method for treating sewage by catalytic oxidation of ozone | |
| CN104525115B (en) | A kind of CNT is combined WO3the preparation method of green deep water treatment agent | |
| CN105964248A (en) | Preparation method of coal ash microsphere loaded modified nanometer titanium dioxide composite photocatalyst | |
| CN104525114A (en) | Method for treating isopropanol-containing wastewater by using modified activated carbon | |
| CN102489291B (en) | Method for preparing expanded graphite load nanometer bismuth vanadate photochemical catalyst | |
| CN102513091A (en) | Preparation method for graphene self-assembled nanometer bismuth vanadate photocatalyst | |
| CN105217715A (en) | A kind of method of absorbent charcoal material Transformatin microbiotic sulfacetimide | |
| CN103521183A (en) | Adsorbent for treating acrylonitrile waste water as well as preparation method and application thereof | |
| CN104528867B (en) | A kind of preparation method of carbon nanotube compound ferric vandate green deep water conditioner | |
| CN102247831A (en) | Method for preparing activated carbon self-assembled bismuth vanadate water treatment agent |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20181225 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |