CN101708468B - Powdered carbon regeneration method - Google Patents
Powdered carbon regeneration method Download PDFInfo
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- CN101708468B CN101708468B CN 200910220704 CN200910220704A CN101708468B CN 101708468 B CN101708468 B CN 101708468B CN 200910220704 CN200910220704 CN 200910220704 CN 200910220704 A CN200910220704 A CN 200910220704A CN 101708468 B CN101708468 B CN 101708468B
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- resin
- deionized water
- regeneration
- regenerating tank
- powder charcoal
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- Treatment Of Water By Ion Exchange (AREA)
Abstract
The invention discloses a powdered carbon regeneration method which is characterized by comprising the following steps of: (1) uniformly mixing 001*7 type strong acid cation exchange resin and 201*7 type strong basic anion exchange resin according to a volume ratio of 2:1 and then loading the mixed resin into a regeneration pot; (2) adding inactivated powdered active carbon into the regeneration pot according to a volume ratio of 2:1 to the mixed resin; (3) adding a corresponding quantity of deionized water according to the height of a solid bed layer of the resin and the powdered carbon so as to ensure that the deionized water is level and parallel to the solid bed layer; (4) connecting the upper port of the regeneration pot with a vacuum air pump and opening a lower port to communicate with air; mixing the solid phase and the liquid phase to be in a three-phase turbulent state so as to ensure that inorganic calcium and magnesium pollutants adsorbed on the powdered carbon are desorbed and transferred, and organic pollutants are transferred and degraded; (5) after generation is finished, closing the valve of the vacuum pump and opening a drain valve at the upper end of the pot; and connecting an air inlet at the lower end of the regeneration pot with a deionized water pipeline so as to back wash and separate the powdered carbon and the resin through the deionized water.
Description
Technical field
The present invention relates to active carbon, belong to the renovation process of powder charcoal.
Background technology
Active carbon is to utilize charcoal, bamboo charcoal, various shell and fat coal etc. as raw material, by the physics and chemistry method to raw material carry out fragmentation, sieve, the series of processes processing and manufacturing such as catalyst activation, rinsing, oven dry and screening forms.Structurally because the irregular alignment of crystallite charcoal, making has pore between the interconnection, can produce the carbon tissue defects when activation, so it is a kind of nonpoisonous and tasteless, has the superior adsorbent of flourishing pore structure and huge specific area.The double grading that has simultaneously physical absorption and chemisorbed can selectively be adsorbed the various materials in gas phase, the liquid phase, to reach the purposes such as decolorizing and refining, disinfecting, deodorizing and decontamination purification.At present, active carbon adsorption has become a kind of effective means of municipal sewage, advanced treatment of industrial waste water and Purification of Polluted Sources of Water, along with the range of application of active carbon is increasingly extensive, large carbon content active absorption full close be replaced after, normally that it is discarded, bury or burn, cause the waste of resource and to the again pollution of environment.Therefore, the reclaiming of active carbon has begun to obtain people's attention, and it not only has obvious economic benefit, also can bring corresponding social benefit.
Summary of the invention
Proposition of the present invention is intended to from the angle of resource recycling and energy savings, take the resource waste and pollution environment that solves a large amount of inactivation powdered active carbons (be called for short powder charcoal) as basic goal.Employing take ion exchange resin as desorb, the degraded medium, under the Turbulent Flow that mixes at the gas, liquid, solid three-phase, rely on the wet mechanochemistry power effects such as friction, collision, impact, transfer, organic pollution that realization will be adsorbed on the inorganic pollution on the powder charcoal shift degraded, thereby reach the regeneration effect of powder charcoal.
Technical scheme of the present invention is achieved in that
(1) 001 * 7 type storng-acid cation exchange resin is filled in the regenerating tank by volume with 201 * 7 type strong-base anion-exchange resins even mixing of 2:1, for subsequent use as the regeneration prefect dielectric;
(2) with the powder charcoal of inactivation according to the hybrid resin volume ratio be that 2:1 joins in the regenerating tank, utilize the resin bed of having loaded for filtering bed, with powder charcoal effectively catching;
(3) according to the deionized water of resin in the regenerating tank and powder charcoal solid phase bed height interpolation respective amount, liquid level is just in time flushed with the solid phase bed;
(4) end interface on the regenerating tank is connected with vacuum air pump, after plugged makes its work, end interface under the regenerating tank opened with air communicates; Solid-liquid two-phase in the regenerating tank is along with the continuous suction of air is mixed into the three-phase turbulence state that interlock is stirred, and the desorb from the powder charcoal of the inorganic calcium that adsorbs on the powder charcoal, magnesium pollutant is shifted, and organic pollution obtains shifting degraded in the process of desorb;
(5) behind the regeneration ending, close the vavuum pump interface end family of power and influence, open the drain valve of tank body upper end, regenerating tank lower end air inlet is connected with the deionized water pipeline, the backwash by deionized water is with powder charcoal and resin isolation.
Compared with prior art, advantage of the present invention is apparent, is mainly manifested in:
(1) this method has reduced the energy consumption of traditional hot method of reproduction, has avoided regenerative process to cause the loss of powder charcoal and on former activated impact;
(2) regenerating medium ion exchange resin reusable edible has reduced cost, has reduced pollution;
(3) regeneration technology is simple, and equipment needed thereby can be integrated with powder charcoal adsorption plant.
Description of drawings
Drawings attached 3 width of cloth of the present invention, wherein:
Fig. 1 is the structural representation of inactivation powder charcoal and resin bed;
Fig. 2 is the schematic diagram that pneumatic machinery stirs regeneration technology;
Fig. 3 is regeneration powder charcoal and resin bed separating technology schematic diagram.
The specific embodiment
A kind of powdered carbon regeneration method as shown in Figure 1-Figure 3 is characterized in that comprising the steps:
(1) with 001 * 7 type storng-acid cation exchange resin and 201 * 7 type strong-base anion-exchange resins by volume 2:1 evenly mixes be filled in the regenerating tank for subsequent use as the prefect dielectric of regenerating;
(2) with the powder charcoal of inactivation according to the hybrid resin volume ratio be that 2:1 joins in the regenerating tank, utilize the resin bed of having loaded for filtering bed, with powder charcoal effectively catching;
(3) add the deionized water of respective amount according to resin in the regenerating tank and powder charcoal solid phase bed height, so that liquid level just in time flushes with the solid phase bed;
(4) end interface on the regenerating tank is connected with vacuum air pump, after plugged makes its work, end interface under the regenerating tank opened with air communicate, solid-liquid two-phase in the regenerating tank is along with the continuous suction of air is mixed into the three-phase turbulence state that interlock is stirred, the desorb from the powder charcoal of the inorganic calcium that adsorbs on the powder charcoal, magnesium pollutant is shifted, and organic matter obtains shifting degraded;
(5) behind the regeneration ending, close the valve of vavuum pump interface end, open the drain valve of tank body upper end, regenerating tank lower end air inlet is connected with the deionized water pipeline, the backwash by deionized water is with powder charcoal and resin isolation.
The Powdered Activated Carbon that this law is used in the advanced treating of water is the regeneration object.The main matter of described charcoal absorption is take inorganic calcium, magnesium etc. as main, and the composition of pollutant is often with CaCO
3Form Deng the indissoluble thing exists.Such inactivation powder charcoal is mixed according to 2:1 with the negative and positive hybrid resin, utilize the acidic-group of cationic ion-exchange resin can be with CaCO
3Be converted into solable matter Deng the indissoluble thing, wherein the cation such as Ca is by cationic exchange resin adsorption, and the anion that forms is then adsorbed by anion exchange resin, reaches regeneration effect.Reaction equation is:
CaCO
3+ROH+3RH→R
2Ca+2RHCO
3+H
2O。
Claims (1)
1. a powdered carbon regeneration method is characterized in that: comprise the steps:
(1) 001 * 7 type storng-acid cation exchange resin is filled in the regenerating tank by volume with 201 * 7 type strong-base anion-exchange resins even mixing of 2:1, for subsequent use as the regeneration prefect dielectric;
(2) with the powder charcoal of inactivation according to the hybrid resin volume ratio be that 2:1 joins in the regenerating tank, utilize the resin bed of having loaded for filtering bed, with powder charcoal effectively catching;
(3) add the deionized water of respective amount according to resin in the regenerating tank and powder charcoal solid phase bed height, so that liquid level just in time flushes with the solid phase bed;
(4) end interface on the regenerating tank is connected with vacuum air pump, after plugged makes its work, end interface under the regenerating tank opened with air communicate, solid-liquid two-phase in the regenerating tank is along with the continuous suction of air is mixed into the three-phase turbulence state that interlock is stirred, the desorb from the powder charcoal of the inorganic calcium that adsorbs on the powder charcoal, magnesium pollutant is shifted, and organic matter obtains shifting degraded in the process of desorb;
(5) behind the regeneration ending, close vavuum pump interface end valve, open the drain valve of tank body upper end, regenerating tank lower end air inlet and deionized water pipeline are joined, the backwash by deionized water is with powder charcoal and resin isolation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910220704 CN101708468B (en) | 2009-12-10 | 2009-12-10 | Powdered carbon regeneration method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910220704 CN101708468B (en) | 2009-12-10 | 2009-12-10 | Powdered carbon regeneration method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101708468A CN101708468A (en) | 2010-05-19 |
| CN101708468B true CN101708468B (en) | 2013-01-09 |
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ID=42401288
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910220704 Expired - Fee Related CN101708468B (en) | 2009-12-10 | 2009-12-10 | Powdered carbon regeneration method |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102228751B (en) * | 2011-05-26 | 2013-05-29 | 青岛天兰环境工程有限公司 | Regenerating method of active carbon filter |
| CN102408141B (en) * | 2011-08-05 | 2013-07-03 | 河海大学 | Desorption agent aiming at carbon-attached bacteria in effluent from activated carbon process |
| CN109621929B (en) * | 2019-01-22 | 2021-06-04 | 北方民族大学 | Regeneration method and application of waste activated carbon |
| CN112090417B (en) * | 2020-08-27 | 2023-06-13 | 杭州电子科技大学 | Powder activated carbon regeneration device based on air flow heating and regeneration method thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5817127B2 (en) * | 1979-07-13 | 1983-04-05 | 出光興産株式会社 | How to regenerate granular activated carbon |
| CN1098701A (en) * | 1993-08-11 | 1995-02-15 | 梁黎利 | powdered activated carbon regeneration technology and device |
| CN101590399B (en) * | 2008-05-28 | 2012-06-20 | 北京紫光英力化工技术有限公司 | Method for regenerating powdery active carbon |
| CN201320470Y (en) * | 2008-09-19 | 2009-10-07 | 孙浩然 | Separating and regenerating device for ion exchange resin and active carbon |
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2009
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