CN102755875A - Regenerating method of activated carbon after absorbing organic matters - Google Patents
Regenerating method of activated carbon after absorbing organic matters Download PDFInfo
- Publication number
- CN102755875A CN102755875A CN2012102287933A CN201210228793A CN102755875A CN 102755875 A CN102755875 A CN 102755875A CN 2012102287933 A CN2012102287933 A CN 2012102287933A CN 201210228793 A CN201210228793 A CN 201210228793A CN 102755875 A CN102755875 A CN 102755875A
- Authority
- CN
- China
- Prior art keywords
- activated carbon
- active carbon
- container
- regenerating
- ferrous sulfate
- 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
Landscapes
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The invention relates to a waste activated carbon regenerating method, and discloses a regenerating method of activated carbon after absorbing organic matters. The regenerating method comprises the following steps: a, adding ferrous sulfate solution into a container holding waste activated carbon which is not dried; b, adjusting the pH value of the ferrous sulfate solution to be 2 to 4 with sulfuric acid solution; c, quickly adding hydrogen peroxide into a container holding ferrous sulfate and waste activated carbon; d, quickly stirring the container, performing reaction for 30 to 120 minutes; e, settling after stirring, and discharging liquid supernatant so as to obtain regenerated activated carbon. The method is simple to operate; the loss amount of activated carbon is small during a regenerating process; Fenton reagent can thoroughly oxidize and decompose the organic matters absorbed in the activated carbon, so that secondary pollution is effectively avoided during the regenerating process; and the regenerating method has good economic benefit.
Description
Technical field
The present invention relates to the waste active carbon regeneration techniques, related in particular to the renovation process of the active carbon behind a kind of adsorb organic compound.
Background technology
Active carbon has powerful adsorption capacity because of having flourishing pore structure and huge specific area, stable in properties, and water insoluble and organic solvent can acid and alkali resistance, and can stand that water is wet, the effect of high temperature and high pressure.Above plurality of advantages makes active carbon be widely used in production, various fields in life as a kind of important adsorbent and catalyst carrier.Along with the rapid rising of active carbon consumption, how waste active carbon effectively being regenerated also causes people's attention day by day." waste active carbon " be meant and be used for wastewater treatment, use a period of time after, the active carbon that adsorption capacity descends or completely loses.Fact proved that through suitable Regeneration Treatment the adsorption capacity of waste active carbon can part even recovery fully.Therefore waste active carbon will cause the serious waste of secondary pollution and resource as directly abandoning without regeneration.The regeneration of active carbon be exactly with physics, chemistry or biological method under the prerequisite of not destroying its original structure, remove and be adsorbed in the adsorbate on the active carbon, recover its absorption property, so that reusable process.
The method that is used for regeneration of activated carbon has at present mainly contained hot method of reproduction, bio-regeneration method, microwave radiation regeneration method, electrochemical regeneration method etc.; Wherein hot renewable hair be use at present at most, the most ripe regeneration of activated carbon method in the industry, but hot method of reproduction exists that power consumption is big, the charcoal loss is big, be prone to cause shortcoming such as secondary pollution.
Summary of the invention
It is simple to the purpose of this invention is to provide a kind of method, need not preliminary treatment, and the active carbon loss amount is few in the regenerative process, has avoided the renovation process of the active carbon behind the adsorb organic compound of secondary pollution of regenerative process.
In order to solve the problems of the technologies described above, the present invention is able to solve through following technical proposals:
The renovation process of the active carbon behind a kind of adsorb organic compound, method is following:
A. copperas solution is joined in the container of the waste active carbon that fills undried;
B. regulate copperas solution pH=2-4 with sulfuric acid solution;
C. add hydrogen peroxide solution fast in the container that fills ferrous sulfate and useless activated carbon;
D. fast container is stirred reaction 30-120min;
E. stir postprecipitation, discharge supernatant, the active carbon after can obtaining regenerating.
As preferably, waste active carbon in the container among the described step c: ferrous sulfate: hydrogen peroxide solution=1.0g: (0.3-1.2) mmol: (6-24) mmol.
As preferably, the control temperature is 50 ℃ in the described whipping process; Stir speed (S.S.) is 200r/min.
As preferably, described hydrogen peroxide solution is 30% hydrogen peroxide solution.
The present invention has significant technique effect owing to adopted above technical scheme:
The present invention is the direct Fenton reagent method of reproduction that the waste active carbon of the undried of collecting is carried out, and need not carry out preliminary treatment.Add the regeneration of Fenton reagent, the organic matter exhaustive oxidation that can will be adsorbed in the active carbon decomposes, and little to the activated carbon surface structure influence, thereby recovers the absorption property of active carbon, reaches the purpose of regenerated carbon.
The inventive method is simple to operate, and the active carbon loss amount is few in the regenerative process, and adsorbed organic matter in the Fenton reagent ability exhaustive oxidation degrading activity charcoal has effectively been avoided the secondary pollution of regenerative process, has favorable economic benefit.
In addition, this method can be used for repeatedly cyclic regeneration active carbon, has improved the utilization ratio of active carbon.
The specific embodiment
Below in conjunction with embodiment the present invention is described in further detail:
Embodiment 1
The renovation process of the active carbon behind a kind of adsorb organic compound, method is following:
A. 6mmol/L copperas solution (100 ml) is joined in the iodine flask of the waste active carbon that fills undried;
B. regulate copperas solution pH=3 with 1 mol/L sulfuric acid solution;
C. add the 12mmol hydrogen peroxide solution fast in the iodine flask that fills ferrous sulfate and useless activated carbon;
D. fast iodine flask is put in the constant temperature shaking table and shaken, shaking table constant temperature is 50 ℃, and shaking speed is set at 200r/min, concussion reaction 70min;
E. take out iodine flask, carefully inclining supernatant, the active carbon after can obtaining regenerating.
COD with waste water after potassium dichromate method mensuration regenerated carbon and the fresh charcoal absorption calculates regeneration rate through following formula then.
Regeneration of activated carbon rate=(regenerated carbon is to the clearance/fresh active carbon of the waste water COD clearance to waste water COD) * 100%.The regeneration rate that draws active carbon can reach 82%.
In a word, the above is merely preferred embodiment of the present invention, and all equalizations of doing according to claim of the present invention change and modify, and all should belong to the covering scope of patent of the present invention.
Claims (4)
1. the renovation process of the active carbon behind the adsorb organic compound is characterized in that method is following:
A. copperas solution is joined in the container of the waste active carbon that fills undried;
B. regulate copperas solution pH=2-4 with sulfuric acid solution;
C. add hydrogen peroxide solution fast in the container that fills ferrous sulfate and useless activated carbon;
D. fast container is stirred reaction 30-120min;
E. stir postprecipitation, discharge supernatant again, the active carbon after can obtaining regenerating.
2. the renovation process of the active carbon behind the adsorb organic compound according to claim 1 is characterized in that: waste active carbon in the container among the described step c: ferrous sulfate: hydrogen peroxide solution=1.0g: (0.3-1.2) mmol: (6-24) mmol.
3. the renovation process of the active carbon behind the adsorb organic compound according to claim 1 is characterized in that: the control temperature is 50 ℃ in the described whipping process; Stir speed (S.S.) is 200r/min.
4. the renovation process of the active carbon behind the adsorb organic compound according to claim 1 and 2 is characterized in that: described hydrogen peroxide solution is 30% hydrogen peroxide solution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102287933A CN102755875A (en) | 2012-07-04 | 2012-07-04 | Regenerating method of activated carbon after absorbing organic matters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102287933A CN102755875A (en) | 2012-07-04 | 2012-07-04 | Regenerating method of activated carbon after absorbing organic matters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102755875A true CN102755875A (en) | 2012-10-31 |
Family
ID=47050663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102287933A Pending CN102755875A (en) | 2012-07-04 | 2012-07-04 | Regenerating method of activated carbon after absorbing organic matters |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102755875A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103212390A (en) * | 2013-04-12 | 2013-07-24 | 复旦大学 | In-situ regeneration method of trichloromethane-adsorbed saturating activated carbon |
| CN103240067A (en) * | 2013-04-24 | 2013-08-14 | 复旦大学 | Persulfate composite solution for regeneration of phenol adsorption saturated activated carbon and preparation method and application thereof |
| CN106693938A (en) * | 2017-01-25 | 2017-05-24 | 华东理工大学 | VOC Fenton degradation activated carbon oxidation regeneration method and device |
| CN108176415A (en) * | 2016-12-08 | 2018-06-19 | 江苏瑞丰科技实业有限公司 | A kind of air purification raw material of wood-charcoal cleans regenerative use technology |
| CN109550490A (en) * | 2018-11-28 | 2019-04-02 | 苏州清然环保科技有限公司 | The regeneration method of active carbon |
| CN112875939A (en) * | 2021-04-09 | 2021-06-01 | 盐城工学院 | Integrated circulating sewage treatment device based on adsorption-Fenton |
| CN113860564A (en) * | 2021-10-28 | 2021-12-31 | 武汉工程大学 | Fenton oxidation regeneration of active carbon and treatment method of refractory organic wastewater |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102276082A (en) * | 2011-06-12 | 2011-12-14 | 南昌航空大学 | Treatment method of high-salinity organic wastewater |
-
2012
- 2012-07-04 CN CN2012102287933A patent/CN102755875A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102276082A (en) * | 2011-06-12 | 2011-12-14 | 南昌航空大学 | Treatment method of high-salinity organic wastewater |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103212390A (en) * | 2013-04-12 | 2013-07-24 | 复旦大学 | In-situ regeneration method of trichloromethane-adsorbed saturating activated carbon |
| CN103212390B (en) * | 2013-04-12 | 2015-03-11 | 复旦大学 | In-situ regeneration method of trichloromethane-adsorbed saturating activated carbon |
| CN103240067A (en) * | 2013-04-24 | 2013-08-14 | 复旦大学 | Persulfate composite solution for regeneration of phenol adsorption saturated activated carbon and preparation method and application thereof |
| CN108176415A (en) * | 2016-12-08 | 2018-06-19 | 江苏瑞丰科技实业有限公司 | A kind of air purification raw material of wood-charcoal cleans regenerative use technology |
| CN106693938A (en) * | 2017-01-25 | 2017-05-24 | 华东理工大学 | VOC Fenton degradation activated carbon oxidation regeneration method and device |
| CN109550490A (en) * | 2018-11-28 | 2019-04-02 | 苏州清然环保科技有限公司 | The regeneration method of active carbon |
| CN112875939A (en) * | 2021-04-09 | 2021-06-01 | 盐城工学院 | Integrated circulating sewage treatment device based on adsorption-Fenton |
| CN113860564A (en) * | 2021-10-28 | 2021-12-31 | 武汉工程大学 | Fenton oxidation regeneration of active carbon and treatment method of refractory organic wastewater |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102755875A (en) | Regenerating method of activated carbon after absorbing organic matters | |
| CN105056882A (en) | Preparation method of modified charcoal-based adsorbent for removing hydrogen sulfide | |
| CN103252223A (en) | Method for regenerating saturated active carbon adsorbing organic matters through microwave activation of potassium persulfate | |
| CN102614855A (en) | Active carbon regeneration method and active carbon regeneration system device | |
| CN104525119A (en) | G-C3N4/ZnO/activated carbon functional charcoal adsorption material and preparation method thereof | |
| CN102614854A (en) | Method for preparaing dephosphorized and ferrum-carried activated carbon adsorbent | |
| CN110550686B (en) | Treatment method of heterocyclic organic matter-containing wastewater and obtained adsorption material | |
| CN106512974A (en) | Regeneration method of activated carbon | |
| CN102078803A (en) | Regenerating unit for zeolite with ammonia-nitrogen saturation and application thereof | |
| CN107814385A (en) | A kind of method for handling industrial wastewater using biomass char and preparing graphite mould porous carbon materials | |
| CN103846080A (en) | Active carbon regeneration method | |
| CN103721692B (en) | A kind of regeneration method of waste-powder active carbon | |
| CN101555045A (en) | Method for adsorbing, recycling and disposing wastewater | |
| CN103551204A (en) | Multi-stage hierarchical pore structural Fenton-like catalyst and application thereof | |
| CN102583628A (en) | Method for removing cyanuric acid in water by activated-carbon fibrofelt and for regenerating activated-carbon fibrofelt by electric desorption | |
| CN113019107A (en) | Method for oxidizing hydrogen sulfide and removing carbon dioxide by iron-based ionic liquid wet method | |
| CN103203220A (en) | Carbon dioxide adsorbent and application thereof | |
| CN102527362B (en) | Regeneration method of active carbon for treating decoloring process of analgin | |
| CN110342580B (en) | Microwave-assisted method for preparing activated carbon-manganese dioxide nanocomposite | |
| CN102188959A (en) | Regeneration method for saturated zeolite absorbing ammonia nitrogen in sewage | |
| CN108176415A (en) | A kind of air purification raw material of wood-charcoal cleans regenerative use technology | |
| CN102872794A (en) | Composite adsorption material for removing bromate from water and preparation method for adsorption material | |
| CN102923675B (en) | Process method for purifying sulfuric acid in fluorobenzene waste acid | |
| CN102531247A (en) | Treatment method for wastewater produced during flue gas desulphurization through alcohol-amine process | |
| CN104815633A (en) | Microorganism regeneration method for treating granular active carbon achieving saturated nonyl phenol adsorption state |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20121031 |