CN109095589A - The composition of dioxanes and its application in a kind of degradation water body - Google Patents
The composition of dioxanes and its application in a kind of degradation water body Download PDFInfo
- Publication number
- CN109095589A CN109095589A CN201811003490.5A CN201811003490A CN109095589A CN 109095589 A CN109095589 A CN 109095589A CN 201811003490 A CN201811003490 A CN 201811003490A CN 109095589 A CN109095589 A CN 109095589A
- Authority
- CN
- China
- Prior art keywords
- charcoal
- acid potassium
- permonosulphuric acid
- dioxanes
- water body
- 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.)
- Pending
Links
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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
-
- 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
- C02F2101/34—Organic compounds containing oxygen
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
Abstract
The composition of dioxanes and its application, are made of charcoal and permonosulphuric acid potassium in a kind of degradation water body.Specific steps are as follows: charcoal is added in the water body containing dioxanes organic pollutant, wherein charcoal dosage is 1.0 g/L, and dioxanes concentration is 1.76 mg/L；Be added permonosulphuric acid potassium while stirring, permonosulphuric acid potassium concn be 2.0 ~ 16.0 mmol/L this method have oxidant utilization it is high, it is at low cost, to wastewater degradation containing dioxanes rate height and advantages of environment protection.
Description
Technical field
The present invention relates to technical field of water pollution control, and in particular to it is a kind of degradation water body in dioxanes composition and its
Using.
Background technique
With the rapid development of industry, China's underground water, surface water pollution problem become increasingly conspicuous, the organic contamination in water body
Object seriously endangers human health and ecological environment.Wherein dioxanes (Isosorbide-5-Nitrae-D) is commonly used for the stabilizer of chloro-carbon solvent, is added
It is added to trichloroethanes (TCA), in trichloro ethylene (TCE) equal solvent, as dry cleaning agent, degreasing metal solvent etc., industrially
To answering extensively, and water body is entered during production and application.Isosorbide-5-Nitrae-D has potential carcinogenic effect, International Cancer Research Center
It is incorporated into as B2 substance.Liver, kidney and the respiratory system of the water of long-term drinking-D containing Isosorbide-5-Nitrae, animal and human body will be by
To damage, or even canceration can be generated.Isosorbide-5-Nitrae-D has the characteristics that octanol-water partition coefficient is low, steam forces down, bio-refractory, passes
The technologies such as system absorption, extracting are difficult to realize it efficient removal.Based on potentiometric titrations (SO4 ·-) high-level oxidation technology by
In the high efficiency of its degradation of contaminant, receive more and more attention.It has the advantages that (1) oxidant stability is good.With
Traditional ozone is compared with hydrogen peroxide, and permonosulphuric acid potassium is more stable in water environment, longer there are the time, is conducive to it in water
It is spread in environment.(2) dissolubility is good.The water body of high and low concentration pollution is applicable in.(3) compared with ozone and hydrogen peroxide, no
Energy dissipation can be formed in a manner of gas heat etc..The method of Conventional activation permonosulphuric acid potassium has ultraviolet light, heat, microwave and transition gold
Belong to such as Co, Cu, Fe, Mn.Conventional method generates metal secondary pollution or pH narrow application range, cost with external energy is needed
The disadvantages of high.Such as ketone group, pyridine are rich in carbon surface structure, pyrroles etc. much has the functional groups of catalytic performance, meanwhile, also contain
There are rich and varied defect sturcture, delocalizedπelectron and hydridization carbon track etc..These characteristics are to carbon based material catalysis/activated
The mechanism of oxide plays remarkable effect, has become the research hotspot of water treatment field.However, graphene, carbon nanotube,
The preparation sections such as ordered mesopore carbon are complicated, and higher cost limits its practical application.Therefore, seek a kind of cheap and easy to get, preparation
Simple process, the Carbon Materials of function admirable are extremely urgent to activate peroxide degradation organic contamination.
Summary of the invention
The technical issues of solution: the present invention requires height to pH value for metal activation agent existing in the prior art, exists
The secondary environmental pollution risk of transition metal ions and carbon nano-material preparation process it is complicated it is at high cost be difficult to realize it is a wide range of
The defect of practical application provides the composition of dioxanes and its application, permonosulphuric acid potassium benefit in the application in a kind of degradation water body
High with rate, Isosorbide-5-Nitrae-D degradation rate, there is no the quadratic risk functions of transition metal release environment.Activator charcoal preparation process is simple,
It is low in cost, there is good actual application prospect.
Technical solution: it is a kind of degradation water body in dioxanes composition, be made of charcoal and permonosulphuric acid potassium.
Preferably, above-mentioned charcoal is to be pyrolyzed by biomass castoff pine needle and Eichhornia crassipes through anaerobism.
Preferably, application of the above-mentioned composition in degradation water body in dioxanes.
The specific steps of above-mentioned application are as follows: step 1: being added charcoal in the water body containing dioxanes organic pollutant,
Wherein, charcoal dosage is 1.0g/L, and dioxanes concentration is 1.76mg/L；Step 2: being added permonosulphuric acid potassium while stirring,
Permonosulphuric acid potassium concn is 2.0~16.0mmol/L.
Above-mentioned water body is surface water or underground water.
Preferably, above-mentioned water pH value range is 3.0~11.0
In above-mentioned steps, the chemical reaction that mainly occurs are as follows:
BC+HSO5 -→SO4 ·-+BC+ (1)
BC+O2→O2 ·-+BC+ (2)
HSO5 -+H2O→H2O2+HSO4 - (3)
O2 ·-+H2O2→O2+2·OH (4)
By above-mentioned reaction, the SO of Isosorbide-5-Nitrae-D in water body in generation4 ·-Lower realization degradation removal is acted on OH.
The utility model has the advantages that in a kind of charcoal/permonosulphuric acid potassium system efficient degradation water of (1) present invention Isosorbide-5-Nitrae-D method, it is raw
Object charcoal can activate permonosulphuric acid potassium and generate SO4 ·-1,4-D in degradation water body.In addition, charcoal can be to the dissolved oxygen in water body
It transmits electronics and generates O2 ·-, O2 ·-Further conversion generates the 1,4-D in OH degradation water body；(2) a kind of charcoal of the present invention/
The method of Isosorbide-5-Nitrae-D in permonosulphuric acid potassium system efficient degradation water, the activator are non-metal kind charcoal base activator, practical application
In the process, transition metal ions will not be discharged into environment, the risk of secondary environmental pollution is low；(3) a kind of charcoal of the present invention/
The method of Isosorbide-5-Nitrae-D, the charcoal and carbon nanotube, graphene, activated carbon fibre in permonosulphuric acid potassium system efficient degradation water
Equal Carbon Materials are simple compared to preparation process, low in cost, there is good actual application prospect；(4) a kind of charcoal/mistake of the present invention
The method of Isosorbide-5-Nitrae-D in one potassium sulfate system efficient degradation water, the charcoal raw material are Eichhornia crassipes and pine needle, are conducive to improve
The utilization efficiency of charcoal waste；(5) 1,4-D in a kind of charcoal/permonosulphuric acid potassium system efficient degradation water of the present invention
Method, the charcoal can be reused several times；(6) in a kind of charcoal/permonosulphuric acid potassium system efficient degradation water of the present invention
The method of Isosorbide-5-Nitrae-D, the charcoal/permonosulphuric acid potassium system in water body of degrading when Isosorbide-5-Nitrae-D, applicable pH range it is wide (3.0~
11.0)。
Specific embodiment
Embodiment 1
The present embodiment utilizes the step in a kind of charcoal/permonosulphuric acid potassium system efficient degradation water in the method for Isosorbide-5-Nitrae-D,
Compare and permonosulphuric acid potassium, charcoal and charcoal/permonosulphuric acid potassium system be used alone to the degradation efficiency of 1,4-D:
Permonosulphuric acid potassium system is used alone in A:
Step 1, in the 22.0mL borosilicate glass bottle with screw lid be added the water containing 1.76mg/L Isosorbide-5-Nitrae-D and
The permonosulphuric acid potassium of 8.0mmol/L, initial pH are 6.5；Borosilicate glass bottle is directly placed in oscillator by step 2, is turned
Speed is 150rpm, and temperature is 25 DEG C, reaction time 240min.
B. charcoal system is used alone:
Step 1, weighing 20.0mg preparation temperature is that 700 DEG C of pine needle charcoal P700 and Eichhornia crassipes charcoal E700 are placed in
In borosilicate glass bottle of the 22.0mL with screw lid；Step 2 is added into above-mentioned borosilicate glass bottle and contains 1.76mg/
The water of L1,4-D, initial pH are 6.5.It tightens bottle cap to be placed in oscillator, revolving speed 150rpm, temperature is 25 DEG C, the reaction time
240min。
C. charcoal/permonosulphuric acid potassium system:
Step 1, weighing 20.0mg preparation temperature is that 700 DEG C of pine needle charcoal P700 and Eichhornia crassipes charcoal E700 are placed in
In borosilicate glass bottle of the 22.0mL with screw lid；Step 2 is added into above-mentioned borosilicate glass bottle and contains 1.76mg/
The water of L1,4-D and the permonosulphuric acid potassium of 8.0mmol/L, initial pH are 6.5.It tightens bottle cap to be placed in oscillator, revolving speed is
150rpm, temperature are 25 DEG C, reaction time 240min.
1 data of table are obtained through detection:
Removal rate of the different degradation systems of table 1 to 1,4-D
| Degradation system | Removal rate (%) |
| Permonosulphuric acid potassium | 3.5 |
| P700 | 4.6 |
| E700 | 3.9 |
| P700/ permonosulphuric acid potassium | 65.4 |
| E700/ permonosulphuric acid potassium | 48.4 |
Table 1 the result shows that, be used alone permonosulphuric acid potassium and charcoal it is unobvious to the degradation of Isosorbide-5-Nitrae-D；And
The efficient degradation of 1,4-D in water body can be achieved in charcoal of the invention/permonosulphuric acid potassium system.After reacting 240min, pine needle
Charcoal/persulfate system and pine needle charcoal/persulfate system are respectively to the removal rate of 1.76mg/L 1,4-D
65.4% and 48.4%, much higher than permonosulphuric acid potassium or charcoal is used alone to the removal effect of Isosorbide-5-Nitrae-D.
Embodiment 2
The present embodiment utilizes the step in a kind of charcoal/permonosulphuric acid potassium system efficient degradation water in the method for Isosorbide-5-Nitrae-D,
It is the removal rate of pollutant 1,4-D under the conditions of comparing different initial pH values:
Step 1, weighing 20.0mg preparation temperature is that 700 DEG C of pine needle charcoal P700 and Eichhornia crassipes charcoal E700 are placed in
In borosilicate glass bottle of the 22.0mL with screw lid；PH value is added in above-mentioned 22.0mL borosilicate glass bottle in step 2
Respectively 3.0,5.0,7.0,9.0,11.0 water containing 1.76mg/L Isosorbide-5-Nitrae-D and the permonosulphuric acid potassium of 8.0mmol/L；Step
Rapid three, above-mentioned borosilicate glass bottle is placed in concussion bed machine, revolving speed 150rpm, temperature is 25 DEG C, reaction time 240min.
Detection data is as shown in table 2.
Removal rate of the charcoal/permonosulphuric acid potassium system to 1,4-D under 2 different pH condition of table
Table 2 the result shows that, pH be 3.0~11.0 range under, charcoal of the invention/permonosulphuric acid potassium system can
Realize the degradation of 1,4-D.Under conditions of pH is 3.0~7.0, degradation effect is best.The result shows that charcoal of the invention/
Permonosulphuric acid potassium system does not need to adjust pH, suitable for wide pH range, effectively when degrading the polluted-water of-D containing Isosorbide-5-Nitrae
Reduce water body pre-treatment cost.
Embodiment 3
The present embodiment utilizes the step in a kind of charcoal/permonosulphuric acid potassium system efficient degradation water in the method for Isosorbide-5-Nitrae-D,
Compare different permonosulphuric acid potassium dosages, to the removal rate of Isosorbide-5-Nitrae-D:
Step 1: weighing pine needle charcoal P700 and Eichhornia crassipes charcoal E700 points that 20.0mg preparation temperature is 700 DEG C
It is not placed in borosilicate glass bottle of the 22.0mL with screw lid；Step 2 adds in above-mentioned 22.0mL borosilicate glass bottle
Enter the water and 2.0 of-D of Isosorbide-5-Nitrae containing 1.76mg/L, the permonosulphuric acid potassium of 4.0,8.0 and 16.0mmol/L, initial pH is 6.5；Step
Three, above-mentioned borosilicate glass bottle is placed in oscillator, revolving speed 150rpm, temperature is 25 DEG C, reaction time 240min.
3 data of table are obtained through detection.
Removal rate of the different permonosulphuric acid potassium dosages of table 3 to 1,4-D
Table 3 the result shows that, under conditions of activator dosage of the invention is fixed as 1.0g/L, increase permonosulphuric acid
The removal rate of 1,4-D can be improved in the concentration of potassium.Wherein, when permonosulphuric acid potassium concn is 16.0mmol/L, P700/ permonosulphuric acid potassium
The removal rate of system and E700/ permonosulphuric acid potassium system para-dioxane is respectively up to 88.8% and 51.1%.
Embodiment 4
The present embodiment utilizes the step in a kind of charcoal/permonosulphuric acid potassium system efficient degradation water in the method for Isosorbide-5-Nitrae-D,
Compare different preparation temperature charcoals, to the removal rate of Isosorbide-5-Nitrae-D when being added permonosulphuric acid potassium:
Step 1: weighing pine needle charcoal and the phoenix that 20.0mg preparation temperature is 300,400,500,600,700,800 DEG C
Eye lotus charcoal is respectively placed in borosilicate glass bottle of the 22.0mL with screw lid；Step 2, in above-mentioned 22.0mL borosilicic acid
The water of-the D of Isosorbide-5-Nitrae containing 1.76mg/L and the permonosulphuric acid potassium of 8.0mmol/L, pH 6.5 are added in salt vial；Step 3, directly
Borosilicate glass bottle is placed in oscillator, revolving speed 150rpm, temperature is 25 DEG C, reaction time 240min；
4 data of table are obtained through detection.
4 charcoal preparation temperature of table activates the case where permonosulphuric acid potassium degradation 1,4-D to it
Table 4 the result shows that, charcoal preparation temperature it is activated permonosulphuric acid potassium degradation Isosorbide-5-Nitrae-D influence it is significant.With
The raising of charcoal preparation temperature, charcoal/permonosulphuric acid potassium system the removal efficiency of Isosorbide-5-Nitrae-D is gradually increased.Wherein, when
When charcoal preparation temperature is 800 DEG C, the removal of P800/ permonosulphuric acid potassium system and E800/ permonosulphuric acid potassium system to Isosorbide-5-Nitrae-D
Rate is respectively up to 84.2% and 85.2%.
Embodiment 5
The present embodiment is reused 3 times using Isosorbide-5-Nitrae-D in a kind of charcoal/permonosulphuric acid potassium system efficient degradation water
Charcoal/permonosulphuric acid potassium is compared the degradation efficiency of 1,4-D.It is raw to weigh the pine needle that 20.0mg preparation temperature is 700 DEG C
Object charcoal P700 and Eichhornia crassipes charcoal E700 are respectively placed in borosilicate glass bottle of the 22.0mL with screw lid；Step 2,
The water of-the D of Isosorbide-5-Nitrae containing 1.76mg/L and the permonosulphuric acid potassium of 8.0mmol/L are added in above-mentioned 22.0mL borosilicate glass bottle, just
Beginning pH is 6.5；Rapid three, above-mentioned borosilicate glass bottle is placed in oscillator, revolving speed 150rpm, temperature is 25 DEG C, reaction
Time 240min.Step 4 filters after first set reaction, removes supernatant, charcoal is dried and repeats step 1 and is arrived
Step 4.
Table 5 is in triplicate using charcoal to the degradation situation of 1,4-D
Table 5 the result shows that, two kinds of charcoals reuse three times after with permonosulphuric acid potassium coexist when, still have centainly
Activation permonosulphuric acid potassium degradation Isosorbide-5-Nitrae-D ability, this explanation, the present invention prepared by charcoal have more activated sites
Point.
It is schematically described above for the invention and embodiments thereof, description is not limiting.Institute
In the case where not departing from this creation objective, not inventively to set if those of ordinary skill in the art are inspired by it
Meter should all belong to protection scope of the present invention for the similar frame mode of the technical solution and embodiment.
Claims (6)
1. the composition of dioxanes in a kind of degradation water body, it is characterised in that be made of charcoal and permonosulphuric acid potassium.
2. the composition of dioxanes in water body of degrading according to claim 1, it is characterised in that the charcoal is by biology
Matter waste pine needle and Eichhornia crassipes are pyrolyzed through anaerobism.
3. application of the composition as claimed in claim 1 or 2 in degradation water body in dioxanes.
4. application according to claim 3, it is characterised in that step is step 1: containing dioxanes organic pollutant
Charcoal is added in water body, wherein charcoal dosage is 1.0 g/L, and dioxanes concentration is 1.76 mg/L；Step 2: while stirring
It mixes side and permonosulphuric acid potassium is added, permonosulphuric acid potassium concn is 2.0 ~ 16.0 mmol/L.
5. application according to claim 3, it is characterised in that the water body is surface water or underground water.
6. application according to claim 3, it is characterised in that the water pH value range is 3.0 ~ 11.0.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811003490.5A CN109095589A (en) | 2018-08-30 | 2018-08-30 | The composition of dioxanes and its application in a kind of degradation water body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811003490.5A CN109095589A (en) | 2018-08-30 | 2018-08-30 | The composition of dioxanes and its application in a kind of degradation water body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109095589A true CN109095589A (en) | 2018-12-28 |
Family
ID=64864396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811003490.5A Pending CN109095589A (en) | 2018-08-30 | 2018-08-30 | The composition of dioxanes and its application in a kind of degradation water body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109095589A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111013534A (en) * | 2019-12-10 | 2020-04-17 | 中国科学院南京土壤研究所 | Intermediate-temperature biochar and preparation method and application thereof |
| CN112892593A (en) * | 2021-01-18 | 2021-06-04 | 广东工业大学 | MOFs/water hyacinth derived material, preparation method thereof and degradation method of organic pollutants |
| CN113522355A (en) * | 2021-05-31 | 2021-10-22 | 中国科学院南京土壤研究所 | Biochar nano composition for degrading organic pollutants and application thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104129841A (en) * | 2014-08-22 | 2014-11-05 | 中国科学院南京土壤研究所 | Method for degrading organic pollutants in water body through activator composite material and activating persulfate |
| CN106865733A (en) * | 2017-04-26 | 2017-06-20 | 中国环境科学研究院 | The minimizing technology of 1,4 dioxanes in a kind of water body |
| CN108373146A (en) * | 2018-04-27 | 2018-08-07 | 哈尔滨工业大学 | A kind of algae-residue charcoal and the preparation method and application thereof |
-
2018
- 2018-08-30 CN CN201811003490.5A patent/CN109095589A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104129841A (en) * | 2014-08-22 | 2014-11-05 | 中国科学院南京土壤研究所 | Method for degrading organic pollutants in water body through activator composite material and activating persulfate |
| CN106865733A (en) * | 2017-04-26 | 2017-06-20 | 中国环境科学研究院 | The minimizing technology of 1,4 dioxanes in a kind of water body |
| CN108373146A (en) * | 2018-04-27 | 2018-08-07 | 哈尔滨工业大学 | A kind of algae-residue charcoal and the preparation method and application thereof |
Non-Patent Citations (1)
| Title |
|---|
| 刘希涛: "《活化过硫酸盐在环境污染控制中的应用》", 30 April 2018, 中国环境出版集团 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111013534A (en) * | 2019-12-10 | 2020-04-17 | 中国科学院南京土壤研究所 | Intermediate-temperature biochar and preparation method and application thereof |
| CN112892593A (en) * | 2021-01-18 | 2021-06-04 | 广东工业大学 | MOFs/water hyacinth derived material, preparation method thereof and degradation method of organic pollutants |
| CN113522355A (en) * | 2021-05-31 | 2021-10-22 | 中国科学院南京土壤研究所 | Biochar nano composition for degrading organic pollutants and application thereof |
| CN113522355B (en) * | 2021-05-31 | 2022-09-16 | 中国科学院南京土壤研究所 | Biochar nano composition for degrading organic pollutants and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20190193059A1 (en) | Catalyst For Catalytic Oxidation Treatment Of Organic Wastewater, Preparation Method Thereof, And Application Thereof | |
| CN109095589A (en) | The composition of dioxanes and its application in a kind of degradation water body | |
| CN108129524B (en) | Method for preparing fulvic acid salt by activating low-rank coal through composite photocatalyst | |
| CN103495428B (en) | Preparation method of carbon nano-tube based Fenton-like catalyst for advanced oxidation system | |
| CN109248704A (en) | Carbon, the preparation of oxygen codope graphite phase carbon nitride and its application in catalytic activation persulfate degradation water pollutant | |
| CN107010709B (en) | Method for purifying high-concentration phenol-containing wastewater in production process of o/hydroquinone | |
| CN107744811A (en) | A kind of ozone degradation water body COD effective catalyst and preparation method thereof | |
| CN109289851A (en) | One-step synthesis prepares Fe3O4The method of/mesoporous carbon composite material and its catalyzing oxidizing degrading sulfamethazine | |
| CN108786859A (en) | A kind of preparation method of carbon doping iodine oxygen bismuth acid iodide oxygen bismuth heterojunction structure | |
| CN101717380A (en) | Clean production method of rubber vulcanizing accelerator TBBS | |
| CN102583636A (en) | Nanometer cobalt-doped titanium dioxide/chitosan composite microspheres for photolyzing organophosphorus pesticide wastewater | |
| CN104525097B (en) | A kind of Ce Ni bimetallics load the preparation method of meerschaum adsorption catalyst | |
| CN105536773B (en) | Substrate catalyst of making pottery and preparation method thereof | |
| CN109985616A (en) | A kind of catalyst and preparation method thereof of photocatalytic degradation organic wastewater | |
| CN109095586A (en) | A kind of cupric mixed-metal oxides/sodium peroxydisulfate system and its application | |
| CN110171863A (en) | The biodegrading process of sulfadimidine in water body | |
| CN108046407B (en) | Adopts nano-CeO2/H2O2/O3Method for treating acidic degradation-resistant wastewater by system | |
| CN103846090A (en) | Silicon dioxide compounded titanium dioxide catalyst for degrading coking wastewater as well as preparation method thereof | |
| CN108554458A (en) | Core/membranous type composite bismuth vanadium photocatalyst and preparation method thereof | |
| CN109158123A (en) | Using discarded diaper as the method for raw material synthetic non-metallic C catalyst | |
| CN106348542B (en) | A kind of processing method of the pharmacy waste water of the antibiotic containing high concentration | |
| CN108355674A (en) | A kind of zinc sulphide composite photo-catalyst and preparation method for sewage disposal | |
| CN102513091A (en) | Preparation method for graphene self-assembled nanometer bismuth vanadate photocatalyst | |
| CN102489291B (en) | Method for preparing expanded graphite load nanometer bismuth vanadate photochemical catalyst | |
| CN108083860B (en) | Method for activating lignite |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181228 |
|
| RJ01 | Rejection of invention patent application after publication |