CN110304777A - A kind of waste acidity recovery processing unit and recovery and treatment method - Google Patents
A kind of waste acidity recovery processing unit and recovery and treatment method Download PDFInfo
- Publication number
- CN110304777A CN110304777A CN201910609476.8A CN201910609476A CN110304777A CN 110304777 A CN110304777 A CN 110304777A CN 201910609476 A CN201910609476 A CN 201910609476A CN 110304777 A CN110304777 A CN 110304777A
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- Prior art keywords
- absorbing liquid
- membrane contactor
- acid
- circulating pump
- flow container
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- 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.)
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- 239000002699 waste material Substances 0.000 title claims abstract description 52
- 238000011084 recovery Methods 0.000 title claims abstract description 29
- 238000012545 processing Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims description 12
- 239000007788 liquid Substances 0.000 claims abstract description 90
- 239000002253 acid Substances 0.000 claims abstract description 69
- 239000012528 membrane Substances 0.000 claims abstract description 57
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 19
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 claims abstract description 16
- 235000012538 ammonium bicarbonate Nutrition 0.000 claims abstract description 16
- 239000001099 ammonium carbonate Substances 0.000 claims abstract description 16
- 230000008676 import Effects 0.000 claims abstract description 9
- 238000010521 absorption reaction Methods 0.000 claims abstract description 8
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 235000019270 ammonium chloride Nutrition 0.000 claims description 16
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 239000012141 concentrate Substances 0.000 claims description 11
- 238000001728 nano-filtration Methods 0.000 claims description 8
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 7
- 238000007872 degassing Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 3
- 239000001569 carbon dioxide Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 3
- 229910000041 hydrogen chloride Inorganic materials 0.000 claims description 3
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 claims description 3
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 239000003337 fertilizer Substances 0.000 abstract description 6
- 238000010306 acid treatment Methods 0.000 abstract description 4
- 238000004064 recycling Methods 0.000 abstract description 3
- 229960001040 ammonium chloride Drugs 0.000 description 12
- 229960004424 carbon dioxide Drugs 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005660 chlorination reaction Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002090 carbon oxide Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/68—Halogens or halogen compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/20—Halogens or halogen compounds
- B01D2257/204—Inorganic halogen compounds
- B01D2257/2045—Hydrochloric acid
-
- 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
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
-
- 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
- C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/442—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by nanofiltration
-
- 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
- C02F2101/10—Inorganic compounds
- C02F2101/12—Halogens or halogen-containing compounds
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a kind of waste acidity recovery processing units, including sour circulating tank, acid circulating pump, membrane contactor, absorb flow container, absorbing liquid circulating pump and nano filter membrance device, sour circulating tank is connect with acid circulating pump, the waste acid liquid import of membrane contactor and the outlet of acid circulating pump connect, acid circulating pump is connect with the waste acid liquid circulation port of membrane contactor again, the absorbing liquid entrance of membrane contactor is connect with absorbing liquid circulating pump, the entrance of absorbing liquid circulating pump is connect with flow container is absorbed, it absorbs in flow container and stores ammonium hydrogen carbonate absorbing liquid, it absorbs flow container and exports connection with the absorbing liquid of membrane contactor again, the entrance of the liquid outlet and nano filter membrance device that absorb flow container connects, the concentrated solution outlet of nano filter membrance device is connect with absorption flow container again.The recovery processing of spent acid is carried out using the waste acidity recovery processing unit, not only more thoroughly to waste acid treatment, treatment effect is more satisfactory, and the recycling of hydrochloric acid may be implemented, and fertilizer component is made, realizes resource reutilization, reaches energy-saving and environment-friendly requirement.
Description
Technical field
The present invention relates to environmental technology fields, and in particular to a kind of waste acidity recovery processing unit and recovery and treatment method.
Background technique
Hydrochloric acid is widely used in industrial production, such as steel and iron industry as a kind of common chemical products.To,
A large amount of spent acid will be generated in industrial production.The processing of existing acid waste water generallys use alkaline matter and is neutralized, and makes spent acid
PH value it is up to standard.The neutralisation treatment of spent acid usually requires to complete in neutralization chamber, treatment effect of this processing mode to spent acid
It is undesirable, moreover, according to this processing mode, the hydrochloric acid in spent acid cannot be recycled, to can not achieve resource again
It utilizes, is unfavorable for energy conservation and environmental protection.
Summary of the invention
In order to solve the above technical problems, the purpose of the present invention is to provide a kind of waste acidity recovery processing unit and recovery processings
Method, not only more thoroughly to waste acid treatment, treatment effect are more satisfactory, furthermore, it is possible to the hydrochloric acid in spent acid is recycled,
Fertilizer component is made, realizes resource reutilization, reaches energy-saving and environment-friendly requirement.
To realize above-mentioned technical purpose and the technique effect, the invention is realized by the following technical scheme: one kind is useless
Acid recovery processing unit, including sour circulating tank, acid circulating pump, membrane contactor, absorption flow container, absorbing liquid circulating pump and nanofiltration membrane dress
It sets, the acid circulating tank is connect with the acid circulating pump, and there is the membrane contactor waste acid liquid import, waste acid liquid to recycle
Mouthful, absorbing liquid entrance and absorbing liquid outlet, be equipped with degassing film in the membrane contactor, the waste acid liquid import of membrane contactor with it is described
The outlet of acid circulating pump connects, and the acid circulating pump is connect with the waste acid liquid circulation port of membrane contactor again, the suction of membrane contactor
It receives liquid entrance to connect with absorbing liquid circulating pump, the entrance of absorbing liquid circulating pump is connect with the absorption flow container, is absorbed and is stored up in flow container
There is ammonium hydrogen carbonate absorbing liquid, the flow container that absorbs exports connection with the absorbing liquid of membrane contactor again, absorbs the liquid outlet of flow container
It is connect with the entrance of nano filter membrance device, the concentrated solution outlet of nano filter membrance device connects further through a circulation line and the absorption flow container
It connects.
Further, nanofiltration booster pump is equipped between the entrance of the nano filter membrance device and the tourie.
Further, the water outlet of the nano filter membrance device is connect with a production water pot.
The present invention also provides the recovery and treatment methods of the waste acidity recovery processing unit, include the following steps:
(1) waste acid liquid in sour circulating tank enters by acid circulating pump, and via the waste acid liquid import of membrane contactor
In membrane contactor, the ammonium hydrogen carbonate absorbing liquid in flow container is absorbed by absorbing liquid circulating pump, and via the absorbing liquid of membrane contactor
Entrance enters in membrane contactor, and in membrane contactor, the hydrogen chloride gas in waste acid liquid volatilizees, and passes through de- in membrane contactor
Air film enters in ammonium hydrogen carbonate absorbing liquid, generates reaction, forms ammonium chloride, carbon dioxide and water；
(2) waste acid liquid flowed out by the waste acid liquid circulation port of membrane contactor is again introduced into film contact via acid circulating pump
In device, to carry out circular response, the ammonium hydrogen carbonate absorbing liquid containing ammonium chloride enters via the absorbing liquid outlet of membrane contactor inhales
It receives in flow container, to carry out circular response；
(3) it after continuous circular response, absorbs reaction solution obtained in flow container and enters in nano filter membrance device, by concentration, obtain
To the ammonium chloride concentrate of high concentration；
Wherein, in step (3), reaction solution enters in nano filter membrance device after being pressurized via nanofiltration booster pump.
Wherein, the concentrate flowed out in the concentrated solution outlet of nano filter membrance device enters via circulation line to be absorbed in flow container,
To carry out circular response, after circular response, the ammonium chloride concentrate that high concentration is stored in flow container is absorbed.
Wherein, the water that appears flowed out in the water outlet of nano filter membrance device enters in production water pot.
The beneficial effects of the present invention are: spent acid enters in film contact via the waste acid liquid import of membrane contactor, bicarbonate
Ammonium absorbing liquid enters in membrane contactor via the absorbing liquid entrance of membrane contactor, the chlorination in membrane contactor, in waste acid liquid
Hydrogen volatilization, is entered in ammonium hydrogen carbonate absorbing liquid by the degassing film in membrane contactor, generates reaction, forms ammonium chloride, two
Carbonoxide and water so realize the treatment and recycling to hydrochloric acid；Also, under the action of acid circulating pump and circulation line,
It is continuous to carry out circular response, so that hydrochloric acid is thoroughly handled and reacted, is finally reacted with ammonium hydrogen carbonate and generate chlorination
Ammonium；Ammonium chloride solution then forms the ammonium chloride concentrate of high concentration after the concentration of nano filter membrance device, is used to prepare fertilizer
Material.The present invention not only to waste acid treatment more thoroughly, treatment effect is more satisfactory, furthermore, it is possible to realize to the hydrochloric acid in spent acid return
It receives and utilizes, fertilizer component is made, realize resource reutilization, reach energy-saving and environment-friendly requirement.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of waste acidity recovery processing unit of the present invention.
Specific embodiment
A specific embodiment of the invention is described in detail with reference to the accompanying drawing, so that advantages and features of the invention
It can be easier to be readily appreciated by one skilled in the art, so as to make a clearer definition of the protection scope of the present invention.
The preferred embodiment of a kind of waste acidity recovery processing unit as shown in Figure 1, in the present embodiment, at the waste acidity recovery
Device is managed to include sour circulating tank 1, acid circulating pump 2, membrane contactor 3, absorb flow container 4, absorbing liquid circulating pump 5 and nano filter membrance device 6,
The acid circulating tank 1 is connect with the acid circulating pump 2, and there is the membrane contactor 3 waste acid liquid import 31, waste acid liquid to recycle
Mouthfuls 32, absorbing liquid entrance 33 and absorbing liquid outlet 34, are equipped with degassing film in the membrane contactor 3, the waste acid liquid of membrane contactor 3 into
Mouth 31 is connect with the outlet of the acid circulating pump 2, and the acid circulating pump 2 connects with the waste acid liquid circulation port 32 of membrane contactor 3 again
It connects, the absorbing liquid entrance 33 of membrane contactor 3 is connect with absorbing liquid circulating pump 5, the entrance of absorbing liquid circulating pump 5 and the absorbing liquid
Tank 4 connects, and absorbs and stores ammonium hydrogen carbonate absorbing liquid in flow container 4, and the flow container 4 that absorbs goes out with the absorbing liquid of membrane contactor 3 again
Mouth 34 connects, and the liquid outlet for absorbing flow container 4 is connect with the entrance of nano filter membrance device 6, which has concentrated solution outlet
And water outlet, the concentrated solution outlet of nano filter membrance device 6 are connect by a circulation line 9 with flow container 4 is absorbed.
In addition, being equipped with nanofiltration booster pump 7 between the entrance and absorption flow container 4 of nano filter membrance device 6；Nano filter membrance device 6 goes out
The mouth of a river is connect with a production water pot 8.
The method being recycled using the waste acidity recovery processing unit to spent acid, is included the following steps:
(1) waste acid liquid in sour circulating tank 1 passes through acid circulating pump 2, and via the waste acid liquid import 31 of membrane contactor 3
Into in membrane contactor 3, the ammonium hydrogen carbonate absorbing liquid in flow container 4 is absorbed by absorbing liquid circulating pump 5, and via membrane contactor 3
Absorbing liquid entrance 33 enter in membrane contactor 3, in membrane contactor 3, the volatilization of hydrogen chloride gas in waste acid liquid passes through film
Degassing film in contactor 3 enters in ammonium hydrogen carbonate absorbing liquid, generates reaction, forms ammonium chloride, carbon dioxide and water；
(2) film is again introduced into via acid circulating pump 2 by the waste acid liquid that the waste acid liquid circulation port 32 of membrane contactor 3 flows out
In contactor 3, to carry out circular response, the ammonium hydrogen carbonate absorbing liquid containing ammonium chloride is exported via the absorbing liquid of membrane contactor 3
34 enter in absorption flow container 4, can be again introduced into membrane contactor 3 by absorbing liquid circulating pump 5, to carry out circular response；
(3) enter after the reaction solution in absorbing liquid tank 4 is pressurized via nanofiltration booster pump 7 after reaction and enter nanofiltration membrane dress
It sets in 6, by concentration, obtains concentrate；The concentrate flowed out from the concentrated solution outlet of nano filter membrance device 6 is again via circulation pipe
Road 9, which enters, to be absorbed in flow container 4, to prepare to be again introduced into membrane contactor 3 to carry out circular response；After continuous circular response,
Obtained ammonium chloride solution forms the ammonium chloride concentrate of high concentration after the concentration of nano filter membrance device 6；Final circulation
After reaction, it absorbs original ammonium hydrogen carbonate absorbing liquid in flow container 4 and is replaced with high strength ammonium-chloride concentrate, for making
Make fertilizer；During concentration, the water that appears of generation enters in production water pot 8 via the water outlet of nano filter membrance device 6.
Compared with prior art, the present invention not only to waste acid treatment more thoroughly, treatment effect is more satisfactory, furthermore, it is possible to real
Now is realized by resource reutilization, reaches energy-saving and environment-friendly requirement so that fertilizer component is made for the recycling of the hydrochloric acid in spent acid.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (7)
1. a kind of waste acidity recovery processing unit, which is characterized in that including sour circulating tank, acid circulating pump, membrane contactor, absorbing liquid
Tank, absorbing liquid circulating pump and nano filter membrance device, the acid circulating tank are connect with the acid circulating pump, and the membrane contactor has useless
Sour liquid-inlet, waste acid liquid circulation port, absorbing liquid entrance and absorbing liquid outlet, the membrane contactor is interior to be equipped with degassing film, and film connects
The waste acid liquid import of tentaculum is connect with the outlet of the acid circulating pump, the acid circulating pump and the waste acid liquid with membrane contactor
Circulation port connection, the absorbing liquid entrance of membrane contactor are connect with absorbing liquid circulating pump, the entrance of absorbing liquid circulating pump and the suction
Flow container connection is received, absorbs and stores ammonium hydrogen carbonate absorbing liquid in flow container, the flow container that absorbs goes out with the absorbing liquid of membrane contactor again
The entrance of mouth connection, the liquid outlet and nano filter membrance device that absorb flow container connects, and the concentrated solution outlet of nano filter membrance device is further through one
Circulation line is connect with the absorption flow container.
2. a kind of waste acidity recovery processing unit according to claim 1, which is characterized in that the entrance of the nano filter membrance device
Nanofiltration booster pump is equipped between the absorption flow container.
3. a kind of waste acidity recovery processing unit according to claim 1, which is characterized in that the water outlet of the nano filter membrance device
It is connect with a production water pot.
4. the recovery and treatment method of waste acidity recovery processing unit as described in any one of claims 1 to 3, which is characterized in that packet
Include following steps:
(1) waste acid liquid in sour circulating tank is by acid circulating pump, and enters film via the waste acid liquid import of membrane contactor and connect
In tentaculum, the ammonium hydrogen carbonate absorbing liquid in flow container is absorbed by absorbing liquid circulating pump, and via the absorbing liquid entrance of membrane contactor
Into in membrane contactor, in membrane contactor, the hydrogen chloride gas in waste acid liquid volatilizees, and passes through the degassing film in membrane contactor
Into in ammonium hydrogen carbonate absorbing liquid, reaction is generated, forms ammonium chloride, carbon dioxide and water；
(2) membrane contactor is again introduced into via acid circulating pump by the waste acid liquid that the waste acid liquid circulation port of membrane contactor flows out
Interior, to carry out circular response, the ammonium hydrogen carbonate absorbing liquid containing ammonium chloride enters via the absorbing liquid outlet of membrane contactor to be absorbed
In flow container, to carry out circular response；
(3) it after continuous circular response, absorbs reaction solution obtained in flow container and enters in nano filter membrance device, by concentration, obtain height
The ammonium chloride concentrate of concentration.
5. the recovery and treatment method of waste acidity recovery processing unit according to claim 4, which is characterized in that in step (3),
Reaction solution enters in nano filter membrance device after being pressurized via nanofiltration booster pump.
6. the recovery and treatment method of waste acidity recovery processing unit according to claim 4, which is characterized in that nano filter membrance device
Concentrated solution outlet in the concentrate that flows out enter via circulation line and absorb in flow container, to carry out circular response, circular response
After, absorb the ammonium chloride concentrate that high concentration is stored in flow container.
7. the recovery and treatment method of waste acidity recovery processing unit according to claim 4, which is characterized in that nano filter membrance device
Water outlet in flow out appear water enter produce water pot in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910609476.8A CN110304777A (en) | 2019-07-08 | 2019-07-08 | A kind of waste acidity recovery processing unit and recovery and treatment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910609476.8A CN110304777A (en) | 2019-07-08 | 2019-07-08 | A kind of waste acidity recovery processing unit and recovery and treatment method |
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| Publication Number | Publication Date |
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| CN110304777A true CN110304777A (en) | 2019-10-08 |
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| CN201910609476.8A Pending CN110304777A (en) | 2019-07-08 | 2019-07-08 | A kind of waste acidity recovery processing unit and recovery and treatment method |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02310386A (en) * | 1989-05-23 | 1990-12-26 | Nisshin Steel Co Ltd | Method for recovering hydrochloric acid in steel material pickling device |
| CN101717280A (en) * | 2009-10-09 | 2010-06-02 | 河北理工大学 | Method for preparing potassium-ammonium sulfate from sulfuric acid and ammonia water reclaimed in coking |
| CN104609587A (en) * | 2013-11-01 | 2015-05-13 | 中国石油化工股份有限公司 | Zero release method of high-salt high-ammonia-nitrogen waste water |
| CN210559875U (en) * | 2019-07-08 | 2020-05-19 | 苏州艾吉克膜科技有限公司 | Waste acid recovery processing device |
-
2019
- 2019-07-08 CN CN201910609476.8A patent/CN110304777A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02310386A (en) * | 1989-05-23 | 1990-12-26 | Nisshin Steel Co Ltd | Method for recovering hydrochloric acid in steel material pickling device |
| CN101717280A (en) * | 2009-10-09 | 2010-06-02 | 河北理工大学 | Method for preparing potassium-ammonium sulfate from sulfuric acid and ammonia water reclaimed in coking |
| CN104609587A (en) * | 2013-11-01 | 2015-05-13 | 中国石油化工股份有限公司 | Zero release method of high-salt high-ammonia-nitrogen waste water |
| CN210559875U (en) * | 2019-07-08 | 2020-05-19 | 苏州艾吉克膜科技有限公司 | Waste acid recovery processing device |
Non-Patent Citations (2)
| Title |
|---|
| 周文佳: "膜脱气技术脱除盐酸的工艺研究", 膜科学与技术, vol. 34, no. 6, pages 72 - 76 * |
| 解利昕: "盐酸作吸收剂用于气态膜法从废水中脱除/回收氨氮", 化工进展, vol. 32, no. 10, pages 2507 - 2513 * |
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