CN106006858A - High-activity micro-electrolysis filler and preparation method thereof - Google Patents
High-activity micro-electrolysis filler and preparation method thereof Download PDFInfo
- Publication number
- CN106006858A CN106006858A CN201610581640.5A CN201610581640A CN106006858A CN 106006858 A CN106006858 A CN 106006858A CN 201610581640 A CN201610581640 A CN 201610581640A CN 106006858 A CN106006858 A CN 106006858A
- Authority
- CN
- China
- Prior art keywords
- preparation
- raw material
- iron filings
- powder
- described step
- 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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
The invention discloses a high-activity micro-electrolysis filler and a preparation method thereof. The preparation method includes the following steps that 1, scrap iron, carbon powder, a metal catalyst and a pore forming agent are proportionally mixed and crushed to obtain mixed powder; 2, water is added to the mixed powder obtained in the step 1, stirring is performed till the raw materials are bonded and are not loose, and then forming is achieved through kneading; 3, the raw materials formed through kneading in the step 2 are dried, and then vacuum sintering is performed to obtain the high-activity micro-electrolysis filler. The preparation method is simple in operation, the high-activity micro-electrolysis filler obtained by means of the method is high in activity, high in oxidoreduction potential difference and wide in application range, contains few inert ingredients, has the good treatment effect on complex wastewater difficult to treat and does not produce passivation, hardening and other phenomena in the using process.
Description
Technical field
The invention belongs to technical field of waste water processing, particularly relate to a kind of high activity micro-electrolysis stuffing and preparation method thereof.
Background technology
Light electrolysis High-efficient Water treatment technology, is the most emerging wastewater processing technology, applied widely, high treating effect, cost
Low, convenient operating maintenance, it is not necessary to consume electric power resource, response speed is fast, and treatment effect is stable, does not results in secondary pollution,
The biodegradability of waste water can be improved, chemical precipitation dephosphorization can be reached, can reduce COD contain by reduction removing heavy metals
Amount.This technology typically can be as pretreatment or in advanced treating part and the collocation use of other technique.This technology is current work
The process of industry waste water brings new vigor, has wide market development prospect.
Light electrolysis High-efficient Water treatment technology is corrosion electrochemistry principle based on metal material, and two or more are had Different electrodes
The metal of current potential or nonmetal be in direct contact with together, is immersed in conductive electrolyte solution, occurs battery effect to be formed
Countless small corrosion cells, include macroscopic view battery and microcosmic battery.Iron-carbon micro-electrolysis be build bridge, volume sweep, coprecipitated, wadding
The result of the multiple effect comprehensive effects such as solidifying, absorption, electro-deposition, electrochemical reduction.
The problem that presently commercially available micro-electrolysis stuffing product is primarily present is as follows: (1) only using iron powder, carbon dust and binding agent as raw material,
Its redox potential difference is relatively low；(2) raw material particle size is relatively big, thus the surface activity of raw material and packing specific area are less；(3)
The content of binder being not involved in reaction is excessive, affects filler reaction efficiency.
Summary of the invention
The technical problem to be solved is, overcomes the deficiency and defect mentioned in background above technology, it is provided that a kind of oxidation
The high activity light electrolysis being suitable for difficult complicated waste water is processed that reduction potential difference is high, specific surface area is big, inert fraction is few
Filler and preparation method thereof.
For solving above-mentioned technical problem, the technical scheme that the present invention proposes is:
The preparation method of a kind of high activity micro-electrolysis stuffing, comprises the following steps:
(1), by iron filings, carbon dust, metallic catalyst and pore creating material carry out in proportion mixing, pulverizing, obtain mixed powder；
(2), add water in step (1) gained mixed powder and stir to raw material bonding the loosest, then kneading molding；
(3), by the raw material drying after step (2) kneading molding, then vacuum-sintering, high activity micro-electrolysis stuffing is obtained.
The metal (such as Zn, Al etc.) that interpolation activity is high compared with Fe in filler, as catalyst, is conducive to improving filler and uses
Time reaction system redox potential poor, for difficult organic wastewater, there is more preferable treatment effect.Meanwhile, because of metal catalytic
Agent activity is relatively strong, and reaction efficiency also obtains a certain degree of lifting.In addition, add a certain amount of amphoteric metal (as Zn,
Al), beneficially filler reacts under conditions of Low acid, expands the filler pH scope of application to waste water；By in the feed
Add pore creating material, gas can be discharged when filler sinters, form gas channels, improve porosity and the caking ability of raw material of filler,
Thus can reduce or without binding agents such as clays, reduce the incorporation of inert fraction, improve the reaction efficiency of micro-electrolysis stuffing.Logical
Cross and raw material be pulverized and mixed, raw material particle size can be refined, improve the specific surface area of raw material, and raw material can be sufficiently mixed uniformly,
Improve the caking ability of raw material.The micro-electrolysis stuffing reaction efficiency prepared by the method is high, and specific surface area is big, fits the pH of waste water
Wide by scope, effective to high concentration wastewater treatment, and be not passivated, harden phenomenon.
Above-mentioned preparation method, it is preferred that in described step (1), iron filings are carried out with carbon dust, metallic catalyst and pore creating material
Before mixing, first iron filings are carried out alkali cleaning deoil, acid-wash activation and dried.First iron filings are activated before each raw material is mixed,
The activity of gained micro-electrolysis stuffing can be improved.
Above-mentioned preparation method, it is preferred that described iron filings are carried out alkali cleaning deoil, acid-wash activation and dried operation concrete
Process is: the sodium hydroxide of iron filings 10wt% is washed 25-35min；Then with the sulfuric acid scrubbing activation of volume fraction 10%
25-35min；Again iron filings are placed in drying baker, at 80 DEG C, are dried 2.5-3.5h.
Above-mentioned preparation method, it is preferred that in described step (1), metallic catalyst is aluminium powder, manganese powder, copper powder and rare earth gold
One or more in genus.Select above-mentioned metallic catalyst can be effectively improved the redox potential of filler poor, improve filler and live
Property.
Above-mentioned preparation method, it is preferred that in described step (1), pore creating material is the limestone after drying, milled processed.
Select limestone as pore creating material, releasable CO during sintering2Gas, the bonding being effectively improved between the porosity of filler and raw material
Degree, and cost is relatively low.
Above-mentioned preparation method, it is preferred that in described step (1), the quality of iron powder, carbon dust, metallic catalyst and pore creating material
Than being (60～80): (15～20): (4～15): (1～5).Use this proportion that each raw material carries out the light electrolysis being mixed with
Filler can obtain higher activity, more preferable to the treatment effect of waste water.
Above-mentioned preparation method, it is preferred that in described step (1), crushing operation specifically refers to: mixed each raw material is put
Pulverize 20～40 minutes in pulverizer, be 150～200 mesh by raw material pulverizing to particle diameter.In this particle size range, the ratio of raw material
Surface area ratio is more moderate.
Above-mentioned preparation method, it is preferred that in described step (3), the temperature of drying process is 70 DEG C～90 DEG C, drying time
It is 2～4h.
Above-mentioned preparation method, it is preferred that in described step (3), vacuum-sintering operation specifically refers to: raw material is placed in atmosphere
Evacuation in stove, is sintered to 1000 DEG C～1400 DEG C with the ramp of 10～15 DEG C/min, and sintering time is 0.5～1.5h.
Under this sintering condition, the micro-electrolysis stuffing activity of preparation is higher.
As a total inventive concept, another aspect of the present invention provides a kind of high activity micro-electrolysis stuffing, and described high activity is micro-
Electrolysis filler is prepared by above-mentioned preparation method.
Compared with prior art, it is an advantage of the current invention that:
(1) by adding metallic catalyst in the feed, improve the redox potential difference of filler and wastewater pH is suitable for
Scope.
(2) by adding pore creating material in the feed, gas can be discharged when filler sinters, form gas channels, improve filler
Porosity and the caking ability of raw material, decrease participating in of inert fraction, improves the reaction efficiency of micro-electrolysis stuffing.
(3) raw material uses and is pulverized and mixed technique, has refined the particle diameter of raw material, and equal quality raw material can form more micro cell；With
Time improve the caking ability of filler, beneficially filler molding；It addition, after crushed, raw material specific surface area is big, improves made
The activity of standby filler.
(4) micro-electrolysis stuffing of the present invention is to difficult, the high treating effect of high-concentration waste water, and does not the most occur blunt
Change, harden phenomenon.
Detailed description of the invention
For the ease of understanding the present invention, below in conjunction with preferred embodiment, the present invention is made more comprehensively, describes meticulously, but this
The protection domain of invention is not limited to embodiment in detail below.
Unless otherwise defined, the implication that all technical term used hereinafter is generally understood that with those skilled in the art is identical.
Technical term used herein is intended merely to describe the purpose of specific embodiment, is not intended to limit the protection model of the present invention
Enclose.
Unless otherwise specified, the various raw materials used in the present invention, reagent, instrument and equipment etc. all can be purchased by market
Can buy or can be prepared by existing method.
Embodiment 1
The iron filings 10wt%NaOH alkali cleaning 30min taking from machining factory is deoiled, then uses volume fraction 10%H2SO4
Acid-wash activation 30min, then be placed in drying baker, seal after being dried 3h at 80 DEG C and save backup.
Weigh iron filings 700g, carbon dust 180g, Al powder 80g, Cu powder 30g, limestone 10g, be placed in pulverizer pulverizing 30min,
Raw material particle size is made to reach 150～200 mesh.
Appropriate water stirring is added bonding the loosest to raw material in the raw material after pulverizing, then kneading molding, it is placed in drying baker
3h it is dried at 80 DEG C.Then dried filler is placed in evacuation in atmosphere furnace, with the heating rate of 10～15 DEG C/min
Being warming up to 1200 DEG C of sintering 1h, the cold taking-up of stove i.e. obtains high activity micro-electrolysis stuffing.
Embodiment 2
The iron filings 10wt%NaOH alkali cleaning 25min taking from machining factory is deoiled, then uses volume fraction 10%H2SO4
Acid-wash activation 35min, then be placed in drying baker, seal after being dried 3h at 80 DEG C and save backup.
Weigh iron filings 700g, carbon dust 180g, Al powder 80g, Mn powder 30g, limestone 10g, be placed in pulverizer pulverizing 30min,
Raw material particle size is made to reach 150～200 mesh.
Appropriate water stirring is added bonding the loosest to raw material in the raw material after pulverizing, then kneading molding, it is placed in drying baker
4h it is dried at 70 DEG C.Then dried filler is placed in evacuation in atmosphere furnace, with the heating rate of 10～15 DEG C/min
Being warming up to 1300 DEG C of sintering 1.5h, the cold taking-up of stove i.e. obtains high activity micro-electrolysis stuffing.
Embodiment 3
The iron filings 10wt%NaOH alkali cleaning 35min taking from machining factory is deoiled, then uses volume fraction 10%H2SO4
Acid-wash activation 30min, then be placed in drying baker, seal after being dried 2.5h at 80 DEG C and save backup.
Weigh iron filings 700g, carbon dust 180g, Al powder 50g, Mn powder 25g, Cu powder 25g, rare earth metal 10g, limestone
10g, is placed in pulverizer pulverizing 30min, makes raw material particle size reach 150～200 mesh.
Appropriate water stirring is added bonding the loosest to raw material in the raw material after pulverizing, then kneading molding, it is placed in drying baker
2h it is dried at 90 DEG C.Then dried filler is placed in evacuation in atmosphere furnace, with the heating rate of 10～15 DEG C/min
Being warming up to 1100 DEG C of sintering 1h, the cold taking-up of stove i.e. obtains high activity micro-electrolysis stuffing.
Embodiment 4
It is placed in again in drying baker after the iron filings taking from machining factory are washed with water, seals after being dried 3h at 80 DEG C and save backup.
Weigh iron filings 700g, carbon dust 180g, Al powder 50g, Mn powder 25g, Cu powder 25g, rare earth metal 10g, limestone
10g, is placed in pulverizer pulverizing 30min, makes raw material particle size reach 150～200 mesh.
Appropriate water stirring is added bonding the loosest to raw material in the raw material after pulverizing, then kneading molding, it is placed in drying baker
2h it is dried at 90 DEG C.Then dried filler is placed in evacuation in atmosphere furnace, with the heating rate of 10～15 DEG C/min
Being warming up to 1100 DEG C of sintering 1h, the cold taking-up of stove i.e. obtains high activity micro-electrolysis stuffing.
Embodiment 5
The organic high strength wastewater in certain chemical plant is processed with ferrum carbon filler obtained in above-described embodiment 1,2,3,4.After testing
In waste water, COD content is 2237mg/L.
Regulation wastewater pH is 3～4, is respectively placed in four beakers by the micro-electrolysis stuffing that embodiment 1,2,3,4 prepares.
HRT (hydraulic detention time) is 40min, is passed through waste water and carries out persistence aeration.Reactive tank tank water outlet enters oxidation reaction
Groove tank, adds the H of wastewater flow rate 2%2O2.After waste water goes out oxidation reaction groove tank, feeding lime breast regulation pH is 8～9, then
Add appropriate flocculant.
Water outlet carries out COD Concentration Testing, and waste water is processed by the micro-electrolysis stuffing using embodiment 1,2,3 to prepare
After, the COD concentration in waste water is respectively 842.7mg/L, 879.2mg/L, 723.4mg/L, 1346mg/L, and COD removes
Rate has respectively reached 62.33%, 60.7%, 67.66%, 39.83%.Embodiment 4 without activation processing iron filings relatively example 1,2,
3 fillers prepared through the iron filings of acid-wash activation to waste water in the removal efficiency of COD much lower.Example 1,2,3 reaction fortune continuously
Row 45d, filler without hardening, passivation phenomenon, and experiment effect is stable, and treatment effect is without being decreased obviously.Example 4 reacts continuous
Running 30d, filler starts to occur to harden, passivation phenomenon, and experiment treatment effect is decreased obviously.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for those skilled in the art
For, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, any amendment of being made, etc.
With replacement, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. a preparation method for high activity micro-electrolysis stuffing, comprises the following steps:
(1), by iron filings, carbon dust, metallic catalyst and pore creating material carry out in proportion mixing, pulverizing, obtain mixed powder；
(2), add water in step (1) gained mixed powder and stir to raw material bonding the loosest, then kneading molding；
(3), by the raw material drying after step (2) kneading molding, then vacuum-sintering, high activity micro-electrolysis stuffing is obtained.
Preparation method the most according to claim 1, it is characterised in that: in described step (1), by iron filings, carbon dust,
Before metallic catalyst and pore creating material mix, first iron filings are carried out alkali cleaning deoil, acid-wash activation and dried.
Preparation method the most according to claim 2, it is characterised in that described iron filings are carried out alkali cleaning deoil, acid-wash activation
With the detailed process of dried operation it is: the sodium hydroxide of iron filings 10wt% is washed 25-35min；Then volume fraction is used
The sulfuric acid scrubbing activation 25-35min of 10%；Again iron filings are placed in drying baker, at 80 DEG C, are dried 2.5-3.5h.
Preparation method the most according to claim 1, it is characterised in that: in described step (1), metallic catalyst is aluminum
One or more in powder, manganese powder, copper powder and rare earth metal.
Preparation method the most according to claim 1, it is characterised in that: in described step (1), pore creating material be drying,
Limestone after milled processed.
Preparation method the most according to claim 1, it is characterised in that: in described step (1), iron powder, carbon dust, gold
The mass ratio of metal catalyst and pore creating material is (60～80): (15～20): (4～15): (1～5).
Preparation method the most according to claim 1, it is characterised in that: in described step (1), crushing operation is specifically
Refer to: mixed each raw material is placed in pulverizer pulverizing 20～40 minutes, is 150～200 mesh by raw material pulverizing to particle diameter.
Preparation method the most according to claim 1, it is characterised in that: in described step (3), the temperature of drying process
Being 70 DEG C～90 DEG C, drying time is 2～4h.
Preparation method the most according to claim 1, it is characterised in that: in described step (3), vacuum-sintering operation tool
Body refers to: raw material is placed in evacuation in atmosphere furnace, burns to 1000 DEG C～1400 DEG C with the ramp of 10～15 DEG C/min
Knot, sintering time is 0.5～1.5h.
10. a high activity micro-electrolysis stuffing, it is characterised in that: described high activity micro-electrolysis stuffing is appointed by claim 1～9
One described preparation method prepares.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610581640.5A CN106006858A (en) | 2016-07-21 | 2016-07-21 | High-activity micro-electrolysis filler and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610581640.5A CN106006858A (en) | 2016-07-21 | 2016-07-21 | High-activity micro-electrolysis filler and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106006858A true CN106006858A (en) | 2016-10-12 |
Family
ID=57117227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610581640.5A Pending CN106006858A (en) | 2016-07-21 | 2016-07-21 | High-activity micro-electrolysis filler and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106006858A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106698600A (en) * | 2017-01-05 | 2017-05-24 | 长沙汇聚环境技术有限公司 | Microelectrolysis filler for printing and dyeing wastewater treatment and preparation method thereof |
| CN107572635A (en) * | 2017-11-06 | 2018-01-12 | 广东石油化工学院 | A kind of preparation method of waste water light electrolysis iron carbon filler |
| CN107935129A (en) * | 2018-01-10 | 2018-04-20 | 南华大学 | A kind of preparation method of iron sludge base biology carbon micro-electrolysis filler and its application in uranium-containing waste water is handled |
| CN109160652A (en) * | 2018-10-29 | 2019-01-08 | 吉林大学 | A kind of method of electrochemistry auxiliary light electrolysis collaboration microwave catalysis processing industrial wastewater |
| CN110038588A (en) * | 2019-05-17 | 2019-07-23 | 湖南夏朗环保科技有限公司 | A kind of high concentrated organic wastewater processing special-purpose catalyst and wastewater treatment method |
| CN110921788A (en) * | 2019-12-05 | 2020-03-27 | 广州桑尼环保科技有限公司 | Iron-carbon micro-electrolysis material with high catalytic activity and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001321772A (en) * | 2000-05-15 | 2001-11-20 | Endai Sangyo Kk | Electrolytic treatment method for biologically treated wastewater |
| CN102942242A (en) * | 2012-10-25 | 2013-02-27 | 常州大学 | Preparation method of nanometer iron-copper-carbon micro electrolysis material for organic waste water treatment |
| CN103706368A (en) * | 2013-12-24 | 2014-04-09 | 齐鲁工业大学 | Iron-carbon catalytic filler for treating organic mixed exhaust gases and preparation method of filler |
| CN104261518A (en) * | 2014-09-18 | 2015-01-07 | 武汉理工大学 | Manganese charcoal catalytic internal electrolysis filler as well as preparation method and application thereof |
| CN104761024A (en) * | 2015-04-22 | 2015-07-08 | 湖北泉盛环保科技有限公司 | Efficient heterogeneous catalytic oxidation ferric-carbon micro-electrolysis packing and preparation method thereof |
-
2016
- 2016-07-21 CN CN201610581640.5A patent/CN106006858A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001321772A (en) * | 2000-05-15 | 2001-11-20 | Endai Sangyo Kk | Electrolytic treatment method for biologically treated wastewater |
| CN102942242A (en) * | 2012-10-25 | 2013-02-27 | 常州大学 | Preparation method of nanometer iron-copper-carbon micro electrolysis material for organic waste water treatment |
| CN103706368A (en) * | 2013-12-24 | 2014-04-09 | 齐鲁工业大学 | Iron-carbon catalytic filler for treating organic mixed exhaust gases and preparation method of filler |
| CN104261518A (en) * | 2014-09-18 | 2015-01-07 | 武汉理工大学 | Manganese charcoal catalytic internal electrolysis filler as well as preparation method and application thereof |
| CN104761024A (en) * | 2015-04-22 | 2015-07-08 | 湖北泉盛环保科技有限公司 | Efficient heterogeneous catalytic oxidation ferric-carbon micro-electrolysis packing and preparation method thereof |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106698600A (en) * | 2017-01-05 | 2017-05-24 | 长沙汇聚环境技术有限公司 | Microelectrolysis filler for printing and dyeing wastewater treatment and preparation method thereof |
| CN107572635A (en) * | 2017-11-06 | 2018-01-12 | 广东石油化工学院 | A kind of preparation method of waste water light electrolysis iron carbon filler |
| CN107572635B (en) * | 2017-11-06 | 2020-09-15 | 广东石油化工学院 | Preparation method of wastewater micro-electrolysis iron-carbon filler |
| CN107935129A (en) * | 2018-01-10 | 2018-04-20 | 南华大学 | A kind of preparation method of iron sludge base biology carbon micro-electrolysis filler and its application in uranium-containing waste water is handled |
| CN109160652A (en) * | 2018-10-29 | 2019-01-08 | 吉林大学 | A kind of method of electrochemistry auxiliary light electrolysis collaboration microwave catalysis processing industrial wastewater |
| CN110038588A (en) * | 2019-05-17 | 2019-07-23 | 湖南夏朗环保科技有限公司 | A kind of high concentrated organic wastewater processing special-purpose catalyst and wastewater treatment method |
| CN110921788A (en) * | 2019-12-05 | 2020-03-27 | 广州桑尼环保科技有限公司 | Iron-carbon micro-electrolysis material with high catalytic activity and preparation method thereof |
| CN110921788B (en) * | 2019-12-05 | 2022-03-22 | 广州桑尼环保科技有限公司 | Iron-carbon micro-electrolysis material with high catalytic activity and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106006858A (en) | High-activity micro-electrolysis filler and preparation method thereof | |
| CN109607699B (en) | Iron-carbon micro-electrolysis filler and preparation method thereof | |
| CN104761024B (en) | Efficient heterogeneous catalytic oxidation iron-carbon micro-electrolysis filler and preparation method thereof | |
| CN110227499B (en) | Method for degrading organic dye in water by using molybdenum disulfide and ferrous iron activated persulfate | |
| CN105731624B (en) | A method of utilizing heterogeneous Fenton-like reaction catalytic oxidation treatment reverse osmosis concentrated water | |
| CN101704574B (en) | Micro-electrolysis environment-friendly filling material and preparation method thereof | |
| CN105084470A (en) | Spherical catalytic microelectrolytic environment-friendly material and preparation method therefor | |
| CN109095590A (en) | LaFe1-xCuxO3The method for handling residue in water Atrazine | |
| CN105858821A (en) | Iron-carbon micro-electrolysis filler and preparing method and application thereof | |
| CN103011549B (en) | Efficient inorganic environment-friendly conditioner for deep dewatering of sludge | |
| CN101723488B (en) | Novel water-treatment medicament based on internal electrolysis principle and preparation method thereof | |
| Li et al. | In-situ preparation of yeast-supported Fe0@ Fe2O3 as peroxymonosulfate activator for enhanced degradation of tetracycline hydrochloride | |
| CN103979645B (en) | A kind of making method of aluminium carbon copper micro-electrolysis stuffing | |
| CN107840415A (en) | A kind of method that iron-carbon micro-electrolysis filler is prepared using pickling iron cement | |
| CN105967284A (en) | Kieselguhr-based ferric carbon ceramsite packing and preparation method thereof | |
| CN114405962A (en) | Method for efficiently removing ammonia nitrogen in electrolytic manganese slag | |
| CN103723852B (en) | Sewage treatment method based on inorganic and organic heavy metal absorbents | |
| CN103803682A (en) | Method for preparing iron composite filler loaded with carbon nanotube | |
| CN107349933B (en) | A kind of Industrial Wastewater Treatment active iron C catalyst | |
| CN109126647A (en) | A kind of preparation method of graphene oxide-sodium alginate gel ball | |
| CN108609694A (en) | The preparation method of iron-carbon micro-electrolysis filler | |
| CN106006854A (en) | Bentonite-based iron-carbon ceramsite filler and preparation method thereof | |
| CN105314810A (en) | Catalytic dehydration method for sludge | |
| CN113003803B (en) | Iron-carbon filler containing nano treatment unit and preparation method thereof | |
| CN108689455A (en) | A kind of iron-carbon micro-electrolysis filler and its application method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161012 |