CN108970596A - The desorption and regeneration technique in situ of the adsorbent of organic matter in adsorbed water body - Google Patents
The desorption and regeneration technique in situ of the adsorbent of organic matter in adsorbed water body Download PDFInfo
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- CN108970596A CN108970596A CN201810931854.XA CN201810931854A CN108970596A CN 108970596 A CN108970596 A CN 108970596A CN 201810931854 A CN201810931854 A CN 201810931854A CN 108970596 A CN108970596 A CN 108970596A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/34—Regenerating or reactivating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/34—Regenerating or reactivating
- B01J20/345—Regenerating or reactivating using a particular desorbing compound or mixture
- B01J20/3458—Regenerating or reactivating using a particular desorbing compound or mixture in the gas phase
- B01J20/3466—Regenerating or reactivating using a particular desorbing compound or mixture in the gas phase with steam
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/34—Regenerating or reactivating
- B01J20/3483—Regenerating or reactivating by thermal treatment not covered by groups B01J20/3441 - B01J20/3475, e.g. by heating or cooling
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/16—Regeneration of sorbents, filters
Abstract
The present invention relates to a kind of desorption and regeneration techniques in situ of the adsorbent of organic matter in adsorbed water body, it is characterized in that, including following procedure: the first stage: exhausting in layer of charcoal water more than major part: after the adsorbent adsorption saturation in adsorbent tank, stop raw water leading into adsorbent tank, without blowing certain time with compressed air after the outflow of remaining water in adsorbent tank；Second stage: heating heating volatilization period: starting superheated steam generator, overheated steam are rapidly heated, and the online adsorbent in situ in adsorbent tank heats；Phase III: the adsorbent heat preservation in adsorbent tank, most organic are carbonized and are desorbed by elevated temperature desorption or by Pintsch process；Fourth stage: after soak, the temperature for changing superheated steam is purged, and then stops being passed through for steam, steam off inlet valve, natural cooling.The present invention can be realized the online desorption and regeneration in situ of the adsorbent adsorbed for organic matter in water body, have good desorption and regeneration effect.
Description
Technical field
The present invention relates to a kind of desorption and regeneration technique in situ of the adsorbent of organic matter in adsorbed water body, especially a kind of work
The desorption and regeneration technique of property carbon adsorbent (active carbon, activated coke, zeolite etc.).
Background technique
Currently, disposable adsorbent is widely applied (such as tap water, sanitary sewage and trade effluent advanced treating link
Active carbon, activated coke, zeolite etc.) absorption organic matter technique.New adsorbent material is needed to change after adsorbent adsorption saturation, and
Adsorbent after adsorption saturation, which is normally used as dangerous waste, need to entrust qualified dangerous waste disposition unit to be disposed or entrust again
The enterprise of production-goods matter reuses after carrying out regeneration treatment, needs a large number of disposal costs, and replacing and transporting all is ratio
It is cumbersome do not allow it is easy to operate.So the regeneration recycling of adsorbent is the technology that current adsorbent market application aspect is badly in need of.
Currently, the regeneration techniques of effective adsorbent (such as active carbon, activated coke, zeolite) regenerate work using high temperature furnace
The organic cracking of adsorbent surface is specially carbonized using high temperature, such as a kind of [regeneration activity carbon activation furnace by skill
CN105858652].The adsorbent materials yield such as the process activity charcoal is about 60%-70%, and absorption property is deteriorated after regeneration.
It is at most recycled 3~4 times using adsorbent materials such as the process activity charcoals, it is still necessary to which the regular period carries out replacement adsorption material
Material.
Summary of the invention
The purpose of the present invention is overcoming the deficiencies in the prior art, a kind of absorption of organic matter in adsorbed water body is provided
The desorption and regeneration technique in situ of agent can be realized the online desorption and regeneration in situ for the adsorbent of waste adsorbent in water body, tool
There is good desorption and regeneration effect.
According to technical solution provided by the invention, the desorption and regeneration work in situ of the adsorbent of organic matter in the adsorbed water body
Skill, characterized in that including following procedure:
First stage: it exhausts in layer of charcoal water more than major part: after the adsorbent adsorption saturation in adsorbent tank, it is logical to stop raw water
Into adsorbent tank, without blowing certain time with compressed air after the outflow of remaining water in adsorbent tank；
Second stage: heating heating volatilization period: starting superheated steam generator, overheated steam are rapidly heated to 200
~1000 DEG C, the online adsorbent in situ in adsorbent tank heats, and adsorbent temperature is heated liter from room temperature in adsorbent tank
To some set temperature between 200 DEG C~800 DEG C ranges, (this specific desired temperature is according to organic matter processed to temperature
Characteristic determine there is cracking to require or need to only be desorbed not crack two kinds of situations, have the case where cracking requires just according to quilt
The specific cracking temperature of process object carrys out set temperature value, and only need to be desorbed the case where not cracking just sets desorption temperature), if
Constant-pressure condition is 2bar or less；
Phase III: soak, elevated temperature desorption or Pintsch process carbonization desorption stage: the adsorbent temperature in adsorbent tank
Degree reaches some set temperature between 200 DEG C~800 DEG C ranges, and (this specific desired temperature is according to processed organic
The characteristic of object determines have cracking to require or need to only be desorbed not crack two kinds of situations, have the case where cracking requires just according to
The specific cracking temperature of object processed carrys out set temperature value, and only need to be desorbed the case where not cracking just sets desorption temperature),
Continuous heating keeps the temperature 0.5~8 hour, and most organic is carbonized and is desorbed by elevated temperature desorption or by Pintsch process；
Fourth stage: purging, activating and regenerating, cooling stage: after soak, with lower than 200 DEG C superheated steam into
Row purging, this stage steam pressure are set in 0.1~2.0Bar, and purge time is 0.2-3.0 hours, then stop the logical of steam
Enter, steam off inlet valve, natural cooling.
Further, the steam intake of the second stage to fourth stage is the 0.2- of quantity of sorbent in adsorbent tank
1.5 again.
Further, in whole process, the residual organic matter of discharge is up to standard after the processing of photooxidation device after collecting
It discharges or sends back to spare canister with pipeline and adsorb again；The part for being in a liquid state or being dissolved in water is gathered and passed through through condensing unit
Sewage-treatment plant is discharged or returns to after ozone-oxidizing device processing to continue to handle.
Further, the air-water mixture during entire desorption and regeneration, escaping gas access after fogbroom is handled
The absorption of vent gas treatment tank；Condensation waste water access sewage treatment plant is handled.
Further, some of the adsorbent holding temperature in the adsorbent tank between 200 DEG C~800 DEG C ranges is set
Determining temperature, (this specific desired temperature is determined according to the characteristic of organic matter processed, has cracking to require or only need
Desorption not crack two kinds of situations, have the case where cracking requires just to set temperature according to the specific cracking temperature of object processed
Angle value, only need to be desorbed the case where not cracking just sets desorption temperature), keep the temperature 0.5~12 hour.
The present invention adsorbs the organic matter being dissolved in water body by adsorbent, in situ to carry out after to be adsorbed dose of adsorption saturation
Adsorbent desorption and regeneration process enters adsorbent tank using 200 DEG C~1000 DEG C of overheated steam, makes adsorbent
Most organic matter is desorbed or is carbonized by Pintsch process and is desorbed；And purge residual organic matter and carbonization in removal adsorbent
Object makes adsorbent activating and regenerating.
Description of symbols
Fig. 1 is the schematic diagram of the desorption and regeneration technique in situ of the adsorbent of organic matter in adsorbed water body.
Specific embodiment
The present invention is further explained in the light of specific embodiments.
Embodiment 1:
As shown in Figure 1, the present embodiment is the desorption and regeneration system of the adsorbent of debirs absorption in waste water for activity
Carbon adsorbent, including the first adsorbent tank A, the second adsorbent tank B, third adsorbent tank C and the 4th adsorbent tank D, first inhales
Attached dose of tank A, the second adsorbent tank B, third adsorbent tank C and the 4th adsorbent tank D pass through the pump housing 21 and pretreatment pool 22 respectively
Connection, pretreatment pool 22 is connect with wastewater collection pond 23, in the first adsorbent tank A, the second adsorbent tank B, third adsorbent tank C
The first valve 24 is set on the pipeline at the 4th adsorbent tank D original water inlet end, can be realized the first suction by controlling the first valve 24
Attached dose of tank A, the second adsorbent tank B, in third adsorbent tank C and the 4th charcoal canister D active carbon absorption；First absorption
The qualified pond 29 of output end connection of agent tank A, the second adsorbent tank B, third adsorbent tank C and the 4th adsorbent tank D；Described
One adsorbent tank A, the second adsorbent tank B, third charcoal canister C and the 4th adsorbent tank D respectively by superheat steam pipeline 25 with
Reheater 26 connects, thus to the first adsorbent tank A, the second adsorbent tank B, third adsorbent tank C and the 4th adsorbent tank D
In be passed through superheated steam, in the mistake of the first adsorbent tank A, the second adsorbent tank B, third adsorbent tank C and the 4th adsorbent tank D
Second valve 26 is set on the superheat steam pipeline 25 of hot steam input end；The first adsorbent tank A, the second adsorbent tank B,
Three adsorbent tank C and the 4th adsorbent tank D are also connect by remaining conduit 27 with the input end of condensing unit 28 respectively, are condensed
The output end of device 28 is then connected to condensation wastewater collection pond 23, accesses sewage treatment plant.
In the first adsorbent tank A, the second adsorbent tank B, third adsorbent tank C and the 4th adsorbent tank D and qualification
Backwash pipeline 30 is set between pond 29.
In addition, the first adsorbent tank A, the second adsorbent tank B, third adsorbent tank C and the 4th adsorbent tank D with
Exhaust gas processing device, the air-water mixture during entire desorption and regeneration, volatility gas can also be set between condensing unit 28
Body accesses device at tail gas after fogbroom is handled.
Embodiment 2: the desorption and regeneration technique in situ of the adsorbent of organic matter in a kind of adsorbed water body, for activated carbon adsorption
Agent, including process in detail below:
First stage: it exhausts in layer of charcoal water more than major part: after the activated carbon adsorption saturation in adsorbent tank, it is logical to stop raw water
Into adsorbent tank, without blowing certain time with compressed air after the outflow of remaining water in canister；
Second stage: heating heating volatilization period: starting superheated steam generator, overheated steam are rapidly heated to 200
~1000 DEG C, the online active carbon in situ in adsorbent tank heats, and active carbon charcoal bed tempertaure is added from room temperature in adsorbent tank
Heat is warming up to some set temperature between 200 DEG C~800 DEG C ranges, and (this specific desired temperature is that had according to processed
The characteristic of machine object determines have cracking to require or need to only be desorbed not crack two kinds of situations, have the case where cracking requires just by
Carry out set temperature value according to the specific cracking temperature of object processed, the case where not cracking need to only be desorbed, and just set desorption warm
Degree), pressure condition is set as 2bar or less；
Second stage: phase III: soak, elevated temperature desorption or Pintsch process carbonization desorption stage: in adsorbent tank
Active carbon charcoal bed tempertaure reach some set temperature between 200 DEG C~800 DEG C ranges (this specific desired temperature be
Determine there is cracking to require or need to only be desorbed not crack two kinds of situations, there is cracking to want according to the characteristic of organic matter processed
The case where asking just carrys out set temperature value according to the specific cracking temperature of object processed, and the case where not cracking only need to be desorbed just
Set desorption temperature), specific as shown in table 1, continuous heating keeps the temperature 0.5~12 hour, and most organic is by elevated temperature desorption
Or it is carbonized and is desorbed by Pintsch process；
Table 1
Fourth stage: purging, activating and regenerating, cooling stage: after soak, with lower than 200 DEG C superheated steam into
Row purging, this stage steam pressure are set in 0.1~2.0Bar, and purge time is 0.2-3.0 hours, then stop the logical of steam
Enter, steam off inlet valve, natural cooling.
Air-water mixture during entire desorption and regeneration, escaping gas access vent gas treatment dress after fogbroom is handled
It sets；Condensation waste water access sewage treatment plant is handled.
Shown in acticarbon absorption property table 3 after the mode of embodiment 2 carries out 10 regeneration.
Table 3
Claims (5)
1. the desorption and regeneration technique in situ of the adsorbent of organic matter in a kind of adsorbed water body, characterized in that including following procedure:
First stage: it exhausts in layer of charcoal water more than major part: after the adsorbent adsorption saturation in adsorbent tank, stopping raw water and lead into suction
Attached dose of tank, without blowing certain time with compressed air after the outflow of remaining water in adsorbent tank；
Second stage: heating heating volatilization period: starting superheated steam generator, overheated steam are rapidly heated to 200 ~ 1000
DEG C, the online adsorbent in situ in adsorbent tank heats, and adsorbent temperature is heated up from room temperature to 200 in adsorbent tank
DEG C ~ 800 DEG C of ranges between some set temperature, set pressure condition as 2bar or less；
Phase III: soak, elevated temperature desorption or Pintsch process, carbonization desorption stage: the adsorbent temperature in adsorbent tank
Reach a set temperature between 200 DEG C ~ 800 DEG C ranges, continuous heating keeps the temperature 0.5 ~ 8 hour, and most organic is high
Temperature desorption by Pintsch process, carbonization and is desorbed；
Fourth stage: it purging, activating and regenerating, cooling stage: after soak, is blown with the superheated steam lower than 200 DEG C
It sweeps, this stage steam pressure is set in 0.1 ~ 2.0 Bar, and purge time is 0.2-3.0 hours, then stop being passed through for steam,
Steam off inlet valve, natural cooling.
2. the desorption and regeneration technique in situ of the adsorbent of organic matter in adsorbed water body as described in claim 1, it is characterized in that: institute
The steam intake for stating second stage to fourth stage is 0.2-1.5 times of quantity of sorbent in adsorbent tank.
3. the desorption and regeneration technique in situ of the adsorbent of organic matter in adsorbed water body as described in claim 1, it is characterized in that: entirely
In the process, the residual organic matter of discharge qualified discharge or is sent back to pipeline after the processing of photooxidation device after collecting
Spare canister adsorbs again；The part for being in a liquid state or being dissolved in water is gathered and passed through ozone-oxidizing device processing heel row through condensing unit
Sewage-treatment plant is put or returns to continue to handle.
4. the desorption and regeneration technique in situ of the adsorbent of organic matter in adsorbed water body as described in claim 1, it is characterized in that: entirely
Air-water mixture during desorption and regeneration, escaping gas access the absorption of vent gas treatment tank after fogbroom is handled；Condensation is useless
Water access sewage treatment plant is handled.
5. the desorption and regeneration technique in situ of the adsorbent of organic matter in adsorbed water body as described in claim 1, it is characterized in that: institute
Stating the adsorbent holding temperature in adsorbent tank is a set temperature between 200 DEG C ~ 800 DEG C ranges, keeps the temperature 0.5 ~ 12 hour；
The set temperature determines have the case where cracking requires according to the cracking temperature of organic matter processed according to the characteristic of organic matter processed
Degree carrys out set temperature value, and only need to be desorbed the case where not cracking sets desorption temperature.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810931854.XA CN108970596A (en) | 2018-08-16 | 2018-08-16 | The desorption and regeneration technique in situ of the adsorbent of organic matter in adsorbed water body |
| PCT/CN2018/104376 WO2020034279A1 (en) | 2018-08-16 | 2018-09-06 | In-situ desorption regeneration process of adsorbent for adsorbing organic matters in water body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810931854.XA CN108970596A (en) | 2018-08-16 | 2018-08-16 | The desorption and regeneration technique in situ of the adsorbent of organic matter in adsorbed water body |
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| WO (1) | WO2020034279A1 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109453756A (en) * | 2018-12-14 | 2019-03-12 | 无锡四方集团有限公司 | A kind of desorption and regeneration equipment and technology of the adsorbent applied to water process |
| CN110563071A (en) * | 2019-08-23 | 2019-12-13 | 生态环境部华南环境科学研究所 | environment-friendly sewage treatment plant based on attapulgite filler can regenerate |
| WO2020093584A1 (en) * | 2018-11-06 | 2020-05-14 | 无锡四方集团有限公司 | Process for adsorption treatment of organic waste gas and desorption regeneration of adsorbent |
| WO2020093583A1 (en) * | 2018-11-06 | 2020-05-14 | 无锡四方集团有限公司 | Desorption regeneration process for adsorbent adsorbing organics in water, and tail gas treatment process therefor |
| CN111617754A (en) * | 2020-06-12 | 2020-09-04 | 江苏蓝必盛化工环保股份有限公司 | Active carbon in-situ adsorption regeneration method applied to high-concentration degradation-resistant wastewater treatment |
| CN111889088A (en) * | 2020-04-26 | 2020-11-06 | 无锡四方集团有限公司 | Desorption regeneration activation process and system for adsorbent |
| CN113304737A (en) * | 2021-06-02 | 2021-08-27 | 湖南鼎中环保科技有限公司 | Desorption process after adsorbent adsorption saturation |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020093584A1 (en) * | 2018-11-06 | 2020-05-14 | 无锡四方集团有限公司 | Process for adsorption treatment of organic waste gas and desorption regeneration of adsorbent |
| WO2020093583A1 (en) * | 2018-11-06 | 2020-05-14 | 无锡四方集团有限公司 | Desorption regeneration process for adsorbent adsorbing organics in water, and tail gas treatment process therefor |
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| CN110563071A (en) * | 2019-08-23 | 2019-12-13 | 生态环境部华南环境科学研究所 | environment-friendly sewage treatment plant based on attapulgite filler can regenerate |
| CN110563071B (en) * | 2019-08-23 | 2022-04-05 | 生态环境部华南环境科学研究所 | Environment-friendly sewage treatment plant based on attapulgite filler can regenerate |
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| CN111617754A (en) * | 2020-06-12 | 2020-09-04 | 江苏蓝必盛化工环保股份有限公司 | Active carbon in-situ adsorption regeneration method applied to high-concentration degradation-resistant wastewater treatment |
| CN113304737A (en) * | 2021-06-02 | 2021-08-27 | 湖南鼎中环保科技有限公司 | Desorption process after adsorbent adsorption saturation |
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|---|---|
| WO2020034279A1 (en) | 2020-02-20 |
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Application publication date: 20181211 |