CN107585914A - Sausage casing heparin produces utilization of wastewater resource device - Google Patents
Sausage casing heparin produces utilization of wastewater resource device Download PDFInfo
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- CN107585914A CN107585914A CN201710950806.0A CN201710950806A CN107585914A CN 107585914 A CN107585914 A CN 107585914A CN 201710950806 A CN201710950806 A CN 201710950806A CN 107585914 A CN107585914 A CN 107585914A
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Abstract
The invention discloses a kind of sausage casing heparin to produce utilization of wastewater resource device, including the solid Separation of Proteins device sequentially set, nanofiltration device and reverse osmosis unit, solid Separation of Proteins device includes the waste water tank sequentially connected, waste water supercharging pump, self-cleaning filter, bag filter, cyclic water tank, ultrafiltration water pump, ultrafiltration apparatus and ultrafiltration water producing tank, waste water waste water supercharging pump is successively transported to self-cleaning filter, enter cyclic water tank after bag filter filtering, filtered wastewater is transported to ultrafiltration apparatus with ultrafiltration water pump, the ultrafiltration permeate of ultrafiltration apparatus is delivered to ultrafiltration water producing tank, Partial filtration waste water returns to cyclic water tank from the return line at the top of ultrafiltration apparatus, the ultrafiltration permeate of ultrafiltration apparatus separates into nanofiltration device, permeate enters back into reverse osmosis unit separation.The sausage casing heparin production utilization of wastewater resource device of the present invention, the classification such as the protein in waste water, amino acid, salt can be separated, carry out recycling.
Description
Technical field
The present invention relates to a kind of sausage casing heparin to produce utilization of wastewater resource device, belongs to sausage casing heparin production waste water resource
Change utilizes equipment technical field.
Background technology
The materials such as substantial amounts of protein solid content, protein hydrolysate, amino acid, salt can be produced in sausage casing heparin production process,
These materials not only pollute the load of environment increase environment treating facility, go back wave generally as trash discharge after heparin is extracted
Take resource.Therefore, it is necessary to develop sausage casing heparin production utilization of wastewater resource device, sausage casing heparin can be produced in waste water
The classification such as protein solid content, protein hydrolysate, amino acid, salt are separated, and carry out recycling, it is possible to reduce environmental pollution
Pressure, and bigger economic benefit and social benefit can be obtained.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of sausage casing heparin to produce utilization of wastewater resource device, can incite somebody to action
The classification such as protein solid content, protein hydrolysate, amino acid, salt in sausage casing heparin production waste water are separated, and carry out recycling
Utilize, it is possible to reduce the pressure of environmental pollution, and bigger economic benefit and social benefit can be obtained.
In order to solve the above technical problems, the sausage casing heparin production utilization of wastewater resource device of the present invention, the casing liver
Element production utilization of wastewater resource device includes solid Separation of Proteins device, nanofiltration device and the counter-infiltration dress sequentially set
Put, the solid Separation of Proteins device include sequentially connect waste water tank, waste water supercharging pump, self-cleaning filter, pocket type mistake
Filter, cyclic water tank, ultrafiltration water pump, ultrafiltration apparatus and ultrafiltration water producing tank, the waste water in waste water tank are successively defeated with waste water supercharging pump
It is sent to self-cleaning filter, bag filter enters cyclic water tank after filtering, the filtered wastewater ultrafiltration water pump in cyclic water tank
It is transported to ultrafiltration apparatus, the ultrafiltration permeate of ultrafiltration apparatus is delivered to ultrafiltration water producing tank, and Partial filtration waste water is from ultrafiltration apparatus top
The return line in portion returns to cyclic water tank, and the ultrafiltration permeate of ultrafiltration apparatus separates into nanofiltration device, and permeate enters back into instead
Permeability apparatus separates.
As the improvement of the present invention, the nanofiltration device adds including organic matter separation booster pump, the reducing agent sequentially set
Medicine device, cartridge filter, organic matter separation high-pressure pump, NF membrane concentrator and organic matter water producing tank, organic matter separation increase
The import of press pump is connected with ultrafiltration water producing tank, and the import of the outlet line and cartridge filter of organic matter separation booster pump connects,
The outlet of cartridge filter separates the import connection of high-pressure pump with organic matter, and the outlet of organic matter separation high-pressure pump and NF membrane are dense
The import connection of contracting equipment, the organic matter before cartridge filter separate and are connected with reducing agent dosing on the outlet line of booster pump
Device, the permeate of NF membrane concentrator are transported to organic matter water producing tank, and the concentrate of NF membrane concentrator has been transported to
Machine matter concentrated water case and partial concentration liquid energy return to the import of organic matter separation high-pressure pump by return line.
As the improvement of the present invention, the reverse osmosis unit includes salt solution separation booster pump, the security personnel's filtering sequentially connected
Device, salt solution separation high-pressure pump, reverse osmosis membrane concentrator and fresh-water tank, organic matter water producing tank separate the import of booster pump with salt solution
Connection, the permeate of reverse osmosis membrane concentrator are delivered to fresh-water tank, and the concentrate of reverse osmosis membrane concentrator is transported to salt solution
Case.
As the improvement of the present invention, a diameter of 100 microns of the filter opening of the self-cleaning filter, the aperture of bag filter
For 50 microns, the film wire of the ultrafiltration apparatus molecular weight that dams is 50,000 dalton.
As the improvement of the present invention, a diameter of 5 microns of the filter opening of the cartridge filter of the nanofiltration device, NF membrane concentration
The film wire of the equipment molecular weight that dams is less than 500 dalton, and the cycles of concentration of NF membrane concentrator is 5-10 times, and NF membrane concentrates
The operating pressure of equipment is 1.0-2.5MPa.
As the improvement of the present invention, a diameter of 5 microns of the filter opening of the cartridge filter of the reverse osmosis unit, reverse osmosis membrane
The operating pressure of concentrator is 4.0-6.0MPa.
As the improvement of the present invention, the solid Separation of Proteins device also includes ultrafiltration apparatus rinse-system and ultrafiltration fills
Purging system is put, the ultrafiltration apparatus rinse-system includes hyperfiltration rinsing water case, ultrafiltration flushing pump and medicine system, and ultrafiltration is rinsed
The import of pump is connected with hyperfiltration rinsing water case, and medicine system is connected with the outlet of ultrafiltration flushing pump, the ultrafiltration punching after medicine system
The outlet line all the way for washing pump is connected with the import of ultrafiltration apparatus, the another way outlet of the ultrafiltration flushing pump after medicine system
Line is connected with the ultrafiltration permeate feed-line of ultrafiltration apparatus, the ultrafiltration apparatus purging system include ultrafiltration cleaning water tank,
Ultrafiltration cleaning pump and ultrafiltration clean cycle pipeline, the import of ultrafiltration cleaning pump are connected with ultrafiltration cleaning water tank, ultrafiltration cleaning pump
Outlet line is connected with the import of ultrafiltration apparatus, and one end of ultrafiltration clean cycle pipeline is connected with the top exit of ultrafiltration apparatus
Connect, the other end of ultrafiltration clean cycle pipeline is connected with ultrafiltration cleaning water tank.
As the improvement of the present invention, the medicine system includes acid solution adding apparatus, alkali lye adding apparatus and sodium hypochlorite
Bactericide adding apparatus, acid solution pH value are 2-3, and alkali lye pH value is 9-10.
As the improvement of the present invention, the nanofiltration device also includes fresh water flush pump, and fresh water flush pump is filled using counter-infiltration
The permeate put is rinsed, and fresh water flush pump discharge is connected with cartridge filter import.
As the improvement of the present invention, the reverse osmosis unit also includes fresh water flush pump, fresh water flush pump inlet and fresh water
Case is connected, and fresh water flush pump discharge is connected with cartridge filter import.
The sausage casing heparin production utilization of wastewater resource device of the present invention, the sausage casing heparin produce utilization of wastewater resource
Device includes solid Separation of Proteins device, nanofiltration device and the reverse osmosis unit sequentially set, the solid Separation of Proteins
Device includes waste water tank, waste water supercharging pump, self-cleaning filter, bag filter, cyclic water tank, the ultrafiltration water sequentially connected
Pump, ultrafiltration apparatus and ultrafiltration water producing tank, the waste water waste water supercharging pump in waste water tank are successively transported to self-cleaning filter, pocket type
Enter cyclic water tank after filter filtering, the filtered wastewater in cyclic water tank is transported to ultrafiltration apparatus with ultrafiltration water pump, and ultrafiltration fills
The ultrafiltration permeate put is delivered to ultrafiltration water producing tank, and Partial filtration waste water returns to recirculated water from the return line at the top of ultrafiltration apparatus
Case, the ultrafiltration permeate of ultrafiltration apparatus separate into nanofiltration device, and permeate enters back into reverse osmosis unit separation, can be by casing
The classification such as protein solid content, protein hydrolysate, amino acid, salt in heparin production waste water are separated, and carry out recycling,
The pressure that can be reduced environmental pollution, and bigger economic benefit and social benefit can be obtained.
Brief description of the drawings
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
Fig. 1 is that sausage casing heparin of the present invention produces utilization of wastewater resource schematic device.
Fig. 2 is that sausage casing heparin of the present invention produces utilization of wastewater resource process flow diagram.
Embodiment
As depicted in figs. 1 and 2, sausage casing heparin production utilization of wastewater resource device, the sausage casing heparin production waste water money
Solid Separation of Proteins device, nanofiltration device and the reverse osmosis unit that sourceization includes sequentially setting using device, the solid egg
White matter separator include sequentially connect waste water tank 1, waste water supercharging pump 2, self-cleaning filter 3, bag filter 4, circulation
Water tank 5, ultrafiltration water pump 6, ultrafiltration apparatus 7 and ultrafiltration water producing tank 8, the waste water in waste water tank 1 are transported to the priority of waste water supercharging pump 2
Self-cleaning filter 3, bag filter 4 enter cyclic water tank 5 after filtering, the filtered wastewater ultrafiltration water pump 6 in cyclic water tank 5
It is transported to ultrafiltration apparatus 7, the ultrafiltration permeate of ultrafiltration apparatus 7 is delivered to ultrafiltration water producing tank 8, and Partial filtration waste water is from ultrafiltration apparatus
The return line at 7 tops returns to cyclic water tank 5, and the ultrafiltration permeate of ultrafiltration apparatus 7 separates into nanofiltration device, and permeate is entered again
Enter reverse osmosis unit separation.Sausage casing heparin production waste water isolates the concentration of solid protein with solid Separation of Proteins device
Liquid, the concentrate of solid protein are concentrated mainly on cyclic water tank 5, and the concentrate of solid protein is used to process feed or fertilizer
Material.
As the improvement of the present invention, the nanofiltration device adds including organic matter separation booster pump 9, the reducing agent sequentially set
Medicine device 10, cartridge filter 11, organic matter separation high-pressure pump 12, NF membrane concentrator 13 and organic matter water producing tank 14, have
The import of machine matter separation booster pump 9 is connected with ultrafiltration water producing tank 8, and the outlet line of organic matter separation booster pump 9 filters with security personnel
The import connection of device 11, the outlet of cartridge filter 11 separate the import connection of high-pressure pump 12 with organic matter, and organic matter separation is high
The outlet of press pump 12 is connected with the import of NF membrane concentrator 13, the organic matter separation booster pump 9 before cartridge filter 11
Outlet line on be connected with reducing agent chemicals dosing plant 10, the permeate of NF membrane concentrator 13 is transported to organic matter water producing tank
14, the concentrate of NF membrane concentrator 13 is transported to organic matter concentrated water case 15 and partial concentration liquid energy is returned by return line
Return the import of organic matter separation high-pressure pump 12.The ultrafiltration permeate of ultrafiltration apparatus isolates water-soluble organic matter with nanofiltration device
Concentrate, the concentrate of water-soluble organic matter are used to process liquid organic fertilizer.
As the improvement of the present invention, the salt solution that the reverse osmosis unit includes sequentially connecting separates booster pump 16, ensured public security
Filter 17, salt solution separation high-pressure pump 18, reverse osmosis membrane concentrator 19 and fresh-water tank 20, organic matter water producing tank 14 separate with salt solution
The import connection of booster pump 16, the permeate of reverse osmosis membrane concentrator 19 are delivered to fresh-water tank 20, reverse osmosis membrane concentrator
19 concentrate is transported to brine tank 21.The permeate of nanofiltration device isolates the dense of the salinity containing 3%-6% with reverse osmosis unit
Contracting liquid, the concentrate of salinity are used to allocate saturated aqueous common salt, and permeate is recycled as fresh water.
As the improvement of the present invention, a diameter of 100 microns of the filter opening of the self-cleaning filter 3, the hole of bag filter 4
Footpath is 50 microns, and the film wire of ultrafiltration apparatus 7 molecular weight that dams is 50,000 dalton.
As the improvement of the present invention, a diameter of 5 microns of the filter opening of the cartridge filter 11 of the nanofiltration device, NF membrane is dense
The film wire of contracting equipment 13 molecular weight that dams is less than 500 dalton, and the cycles of concentration of NF membrane concentrator 13 is 5-10 times, nanofiltration
The operating pressure of film concentrator 13 is 1.0-2.5MPa.
As the improvement of the present invention, a diameter of 5 microns of the filter opening of the cartridge filter 17 of the reverse osmosis unit, counter-infiltration
The operating pressure of film concentrator 19 is 4.0-6.0MPa.The salt rejection rate of reverse osmosis membrane concentrator 19 is up to 99.5%.
As the improvement of the present invention, the solid Separation of Proteins device also includes ultrafiltration apparatus rinse-system and ultrafiltration fills
Purging system is put, the ultrafiltration apparatus rinse-system includes hyperfiltration rinsing water case 22, ultrafiltration flushing pump 23 and medicine system, ultrafiltration
The import of flushing pump 23 is connected with hyperfiltration rinsing water case 22, and medicine system is connected with the outlet of ultrafiltration flushing pump 23, medicine system
The outlet line all the way of ultrafiltration flushing pump 23 afterwards is connected with the import of ultrafiltration apparatus 7, the ultrafiltration flushing pump after medicine system
23 another way outlet line is connected with the ultrafiltration permeate feed-line of ultrafiltration apparatus 7, the ultrafiltration apparatus purging system
It is clear including ultrafiltration cleaning water tank 24, ultrafiltration cleaning pump 25 and ultrafiltration clean cycle pipeline, the import and ultrafiltration of ultrafiltration cleaning pump 25
Water tank 24 connects, and the outlet line of ultrafiltration cleaning pump 25 is connected with the import of ultrafiltration apparatus 7, ultrafiltration clean cycle pipeline
One end is connected with the top exit of ultrafiltration apparatus 7, and the other end of ultrafiltration clean cycle pipeline is connected with ultrafiltration cleaning water tank 24.
As the improvement of the present invention, the medicine system includes acid solution adding apparatus 26, alkali lye adding apparatus 27 and secondary chlorine
Sour sodium bactericide adding apparatus 28, acid solution pH value are 2-3, and alkali lye pH value is 9-10.
As the improvement of the present invention, the nanofiltration device also includes fresh water flush pump 29, and fresh water flush pump 29 uses reverse osmosis
The permeate of saturating device is rinsed, and the outlet of fresh water flush pump 29 is connected with the import of cartridge filter 11.
As the improvement of the present invention, the reverse osmosis unit also includes fresh water flush pump 29, the import of fresh water flush pump 29 and
Fresh-water tank 20 is connected, and the outlet of fresh water flush pump 29 is connected with the import of cartridge filter 17.
Membrane separation technique is to separate, purify and concentrate purpose to the selective penetrated property of each component in mixture using film
The new separation technology of product, membrane separating process are a kind of without phase transformation, low energy consumption physical separating process, have efficient, energy-conservation, nothing
Pollution, the features such as easy to operate and purposes is wide.Membrane separation technique can be used as a kind of process for cleanly preparing, dense instead of traditional distillation
Contract, be centrifuged at a high speed, extracting, ion exchange resin adsorbs, the technique such as sedimentation in biochemical treatment.
Sausage casing heparin extracts waste water and can partly separated out with the different change albumen of pH, temperature, and the albumen of precipitation can cause film
The Severe blockage of separation assembly, influence the life-span of film.So it must advance in water-soluble organic matter separation and salt laden water separation process
Row removes.Solid produces protein powder after being dried as protein feed or spraying (film) after separation of solid and liquid, and liquid enters lower road
Process separates water-soluble organic matter.
Self-cleaning filter is used to stop large granular impurity, and filtering accuracy is 100 microns.
In view of the service life of raw water quality and film, the factor such as the practical operation situation of system, from domestic high oxidation resistance
The property changed milipore filter.When device operating pressure reaches 0.2MPa, and percolate flux does not reach requirement, this group of device will be carried out
Chemical cleaning.The feed liquid in material liquid tank is ejected into ultrafiltration apparatus with water before Chemical cleaning, then with water after filter to head tank and device
Cleaned, until head tank, device and pipe flushing it is thorough after, then with booster pump water after filter is pumped into ultrafiltration production water side, it is right
Ultrafiltration apparatus carries out backwash, and the trapped substance in milipore filter concentrated water runner is gone out into milipore filter, finally prepares cleaning fluid in head tank,
Start booster pump, wash cycles are carried out to device, after flux reaches requirement, rinsed well device with water after filter stand-by.
Medicine, which washes system, includes sterilization and acid, alkali system.Add disinfection system liquor box containing NaClO, measuring pump；Acid adding, alkali system
System is containing liquor box, soda acid measuring pump.
Water-soluble organic matter separate section is by high-pressure pump, safety filter system, organic matter separation host, permeate water tank group
Into., can be through spraying after in this separate section major part water-soluble organic matter, such as protein hydrolysate, amino acid are concentrated 5-10 times
(film) produces protein hydrolysate amino acid powder or for producing liquid organic fertilizer after drying.Permeate is carried out into lower road technique
Salt solution separates.Water Sproading rate more than 80%.
Salt solution separate section is made up of high-pressure pump, safety filter system, salt solution separation host, permeate water tank.In this point
After being concentrated 2 times from part saline solution, concentration is about 5 Baume degrees, Water Sproading rate more than 50%.
It should be noted that embodiment is only the explanation and illustration to technical solution of the present invention, should not be by it
The restriction to technical solution of the present invention is interpreted as, it is any only to make what is locally changed using the substantive content of the invention of the present invention, should
Fall within the scope of protection of the present invention.
Claims (10)
1. a kind of sausage casing heparin produces utilization of wastewater resource device, it is characterised in that：The sausage casing heparin produces waste water resource
Change includes the solid Separation of Proteins device, nanofiltration device and the reverse osmosis unit that sequentially set, the solid albumen using device
It is waste water tank that matter separator includes sequentially connecting, waste water supercharging pump, self-cleaning filter, bag filter, cyclic water tank, super
Water-filtering pump, ultrafiltration apparatus and ultrafiltration water producing tank, the waste water waste water supercharging pump in waste water tank be successively transported to self-cleaning filter,
Enter cyclic water tank after bag filter filtering, the filtered wastewater in cyclic water tank is transported to ultrafiltration apparatus with ultrafiltration water pump, super
The ultrafiltration permeate of filter device is delivered to ultrafiltration water producing tank, and Partial filtration waste water is returned from the return line at the top of ultrafiltration apparatus and followed
Ring water tank, the ultrafiltration permeate of ultrafiltration apparatus separate into nanofiltration device, and permeate enters back into reverse osmosis unit separation.
2. sausage casing heparin according to claim 1 produces utilization of wastewater resource device, it is characterised in that：The nanofiltration dress
Put including sequentially set organic matter separation booster pump, reducing agent chemicals dosing plant, cartridge filter, organic matter separation high-pressure pump,
NF membrane concentrator and organic matter water producing tank, the import of organic matter separation booster pump are connected with ultrafiltration water producing tank, organic matter point
Import from the outlet line and cartridge filter of booster pump connects, and the outlet of cartridge filter separates high-pressure pump with organic matter
Import is connected, and the outlet of organic matter separation high-pressure pump is connected with the import of NF membrane concentrator, having before cartridge filter
Reducing agent chemicals dosing plant is connected with the outlet line of machine matter separation booster pump, the permeate of NF membrane concentrator has been transported to
Machine matter water producing tank, the concentrate of NF membrane concentrator is transported to organic matter concentrated water case and partial concentration liquid energy passes through recurrent canal
Line returns to the import of organic matter separation high-pressure pump.
3. sausage casing heparin according to claim 1 produces utilization of wastewater resource device, it is characterised in that：The counter-infiltration
Device include sequentially connect salt solution separation booster pump, cartridge filter, salt solution separation high-pressure pump, reverse osmosis membrane concentrator and
Fresh-water tank, organic matter water producing tank separate the import connection of booster pump with salt solution, and the permeate of reverse osmosis membrane concentrator is delivered to
Fresh-water tank, the concentrate of reverse osmosis membrane concentrator are transported to brine tank.
4. sausage casing heparin according to claim 1 produces utilization of wastewater resource device, it is characterised in that：The self-cleaning
A diameter of 100 microns of the filter opening of filter, the aperture of bag filter are 50 microns, and the film wire of the ultrafiltration apparatus molecular weight that dams is
50000 dalton.
5. sausage casing heparin according to claim 2 produces utilization of wastewater resource device, it is characterised in that：The nanofiltration dress
A diameter of 5 microns of the filter opening for the cartridge filter put, the film wire of the NF membrane concentrator molecular weight that dams are less than 500 dalton,
The cycles of concentration of NF membrane concentrator is 5-10 times, and the operating pressure of NF membrane concentrator is 1.0-2.5MPa.
6. sausage casing heparin according to claim 3 produces utilization of wastewater resource device, it is characterised in that：The counter-infiltration
A diameter of 5 microns of the filter opening of the cartridge filter of device, the operating pressure of reverse osmosis membrane concentrator is 4.0-6.0MPa.
7. sausage casing heparin according to claim 1 produces utilization of wastewater resource device, it is characterised in that：The solid egg
White matter separator also includes ultrafiltration apparatus rinse-system and ultrafiltration apparatus purging system, and the ultrafiltration apparatus rinse-system includes
Hyperfiltration rinsing water case, ultrafiltration flushing pump and medicine system, the import of ultrafiltration flushing pump are connected with hyperfiltration rinsing water case, medicine system
Outlet with ultrafiltration flushing pump is connected, the outlet line all the way of the ultrafiltration flushing pump after medicine system and the import phase of ultrafiltration apparatus
Connect, the another way outlet line of ultrafiltration flushing pump after medicine system is connected with the ultrafiltration permeate feed-line of ultrafiltration apparatus
Connect, the ultrafiltration apparatus purging system includes ultrafiltration cleaning water tank, ultrafiltration cleaning pump and ultrafiltration clean cycle pipeline, ultrafiltration cleaning
The import of pump is connected with ultrafiltration cleaning water tank, and the outlet line of ultrafiltration cleaning pump is connected with the import of ultrafiltration apparatus, and ultrafiltration is clear
Wash one end of pipeloop with the top exit of ultrafiltration apparatus to be connected, the other end and the ultrafiltration of ultrafiltration clean cycle pipeline are cleaned
Water tank connects.
8. sausage casing heparin according to claim 7 produces utilization of wastewater resource device, it is characterised in that：The dosing system
System includes acid solution adding apparatus, alkali lye adding apparatus and sodium hypochlorite bactericide adding apparatus, and acid solution pH value is 2-3, alkali lye pH
It is worth for 9-10.
9. sausage casing heparin according to claim 2 produces utilization of wastewater resource device, it is characterised in that：The nanofiltration dress
Putting also includes fresh water flush pump, and fresh water flush pump is rinsed using the permeate of reverse osmosis unit, fresh water flush pump discharge and security personnel
Filter inlet connects.
10. sausage casing heparin according to claim 3 produces utilization of wastewater resource device, it is characterised in that：The reverse osmosis
Saturating device also includes fresh water flush pump, and fresh water flush pump inlet is connected with fresh-water tank, fresh water flush pump discharge and cartridge filter
Import connects.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710950806.0A CN107585914A (en) | 2017-10-13 | 2017-10-13 | Sausage casing heparin produces utilization of wastewater resource device |
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| CN201710950806.0A CN107585914A (en) | 2017-10-13 | 2017-10-13 | Sausage casing heparin produces utilization of wastewater resource device |
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| CN111875125A (en) * | 2020-06-30 | 2020-11-03 | 成都泓润科技有限公司 | Wastewater treatment method combining membrane separation and electrodialysis |
| CN117003422A (en) * | 2023-08-03 | 2023-11-07 | 北京赛诺膜技术有限公司 | Resource treatment process applicable to pea protein whey wastewater |
| CN117466500A (en) * | 2023-12-27 | 2024-01-30 | 苏州善纳贤生物科技有限公司 | Method for recycling heparin production wastewater by using membrane |
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| CN117003422A (en) * | 2023-08-03 | 2023-11-07 | 北京赛诺膜技术有限公司 | Resource treatment process applicable to pea protein whey wastewater |
| CN117466500A (en) * | 2023-12-27 | 2024-01-30 | 苏州善纳贤生物科技有限公司 | Method for recycling heparin production wastewater by using membrane |
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Application publication date: 20180116 |