CN206828295U - Ceramic membranous system for Sewage - Google Patents
Ceramic membranous system for Sewage Download PDFInfo
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- CN206828295U CN206828295U CN201720584459.XU CN201720584459U CN206828295U CN 206828295 U CN206828295 U CN 206828295U CN 201720584459 U CN201720584459 U CN 201720584459U CN 206828295 U CN206828295 U CN 206828295U
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- 239000000919 ceramic Substances 0.000 title claims abstract description 35
- 239000010865 sewage Substances 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 59
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 39
- 238000011282 treatment Methods 0.000 claims abstract description 27
- 238000000926 separation method Methods 0.000 claims abstract description 25
- 238000004062 sedimentation Methods 0.000 claims abstract description 16
- 238000001816 cooling Methods 0.000 claims abstract description 13
- 239000012141 concentrate Substances 0.000 claims abstract description 11
- 238000005345 coagulation Methods 0.000 claims abstract description 8
- 230000015271 coagulation Effects 0.000 claims abstract description 8
- 238000000909 electrodialysis Methods 0.000 claims abstract description 8
- 238000007667 floating Methods 0.000 claims abstract description 7
- 238000005374 membrane filtration Methods 0.000 claims description 3
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- 238000005516 engineering process Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
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- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000003011 anion exchange membrane Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
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- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 2
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- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 1
- UMPSXRYVXUPCOS-UHFFFAOYSA-N 2,3-dichlorophenol Chemical compound OC1=CC=CC(Cl)=C1Cl UMPSXRYVXUPCOS-UHFFFAOYSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 239000012028 Fenton's reagent Substances 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 159000000013 aluminium salts Chemical class 0.000 description 1
- 229910000329 aluminium sulfate Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
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Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses a kind of ceramic membranous system for Sewage, including coagulation system, secondary treatment system and tertiary treatment system；The coagulation system includes one-level nano ceramics film filter, concentrated black liquor tank, ultrasonic separation device and cooling tank；The secondary treatment system includes sedimentation basin, air-floating apparatus, ultrasonic magnetizing assembly, two level nano ceramics film filter, electrodialysis plant, the first reverse osmosis unit, the second reverse osmosis unit being sequentially connected, also include the first water collect tank and the second water collect tank, the delivery port of the cooling tank is connected with the water inlet of two level nano ceramics film filter, and the concentrate mouth of first reverse osmosis unit and the second reverse osmosis unit is all connected with sedimentation basin；The tertiary treatment system includes more medium filter, and the delivery port of the more medium filter is connected with sedimentation basin.The utility model is applied widely, Sewage treatment can be recycled, high treating effect.
Description
Technical field
It the utility model is related to technical field of sewage, more particularly to a kind of ceramic membrane system for Sewage
System.
Background technology
Membrane separation technique is generated from early 20th century, and the separation skill developed rapidly is obtained after the 1960s
Art.Membrane separation technique has efficient, energy-saving and environmental protection, molecular level filtering again due to having separation, concentration, purifying and refined function concurrently
And filter process it is simple, easily controllable the advantages that, be widely used at present food, medicine, biology, environmental protection, chemical industry, metallurgy,
The field such as the energy, oil, water process, electronics, bionical, generate huge economic benefit and social benefit, it has also become current point
From one of most important means in science.Film used is a kind of nothing with special Selective Separation function in membrane separation technique
Machine or high polymer material, it can enable one or more of materials therein saturating fluid partitioning into two parts being not communicated with
The film is crossed, and other materials are separated.Efficiently, energy-saving and environmental protection, molecular level filtering, filter process are simple, easily controllable
It is century one of most great industrial technology that membrane separation technique, which has been acknowledged as 21, is a kind of emerging green industry science and technology.
Ceramic membrane (ceramic membrane) is also known as inorganic ceramic membrane, is by high temperature sintering etc. with inorganic ceramic material
The anisotropic membrane that special process is prepared and formed.Due to uniqueness intensity and corrosion resistance, one into market become for
Film field is with the fastest developing speed, also one of most promising kind.Purpose ceramic-film filter is that one kind applies ceramic membrane separation
The filtering purifying equipment that technology is separated to liquid material, purified, be widely used in food, pharmacy, chemical industry, metallurgy, at water
Multiple technical fields such as reason.It has excellent heat endurance and hole stability.Not only intensity is high, resistant to chemical etching, cleaning
Regenerability is good, and possesses the two-fold advantage of high efficiency filter and secondary filter.
Ceramic Membranes Separating Technique is the material isolation technics carried out based on the sieve effect of porous ceramic medium, using with
The completely different dynamic of filter type " cross-flow filtration " mode such as traditional " dead-end filtration ", " cake filtration "：I.e. in pressure-driven
Under, film surface is with certain flow velocity flow at high speed on the inside of membrane tube for material liquid, and small-molecule substance (liquid) is along side normal thereto
It is rejected by through microporous barrier, macromolecular substances (or solid particle), fluid is reached the purpose of separation concentration and purifying.Pottery
Porcelain membrane filter system in use for some time, due to deposition of the COD compositions on film surface, it is necessary to carry out backwash processing, and
Backwash processing is for improving the effect declined due to membrane filtration efficiency caused by organic matter and unobvious；And make in organic film
During, the situation that filtering declines and membrane lifetime shortens caused by COD component depositions is equally faced.
Paper-making effluent refers to cooking waste liquor caused by chemical pulping (also known as black liquor, red liquid), pulp washing bleaching process
In caused plain boiled water in caused middle section water and copy paper process.Typically often production 1t NBSKs just have 1t organic matters and 400kg
Bases, sulfide are dissolved in black liquor；Production 1t sulfite pulps there are about 900kg organic matters and 200kg oxides (calcium, magnesium etc.)
It is dissolved in sulfide in red liquid.Waste liquid is discharged into rivers not only serious polluted source, and causes the substantial amounts of wasting of resources.Papermaking
Industry is traditional use water rich and influential family, and causes one of important pollution sources of water pollution.At present, China's paper-making industrial waste water discharge capacity
And the first place of COD discharge capacity Jun Ju China all types of industries discharge capacity, pollution of the paper industry to water environment is the most serious, and it is not only
It is the matter of utmost importance of China industrial pollution caused by paper manufacturing preventing and treating, and national industrial wastewater carries out the primary of processing and water saving up to standard and asked
Topic.According to statistics, county of China and county's above papermaking and paper products industry wastewater discharge account for the 18.6% of the industrial total release in the whole nation,
Wherein processing emission compliance amount accounts for the 49.3% of paper-making industrial waste water total release, and COD accounts for the industrial COD in the whole nation in waste discharge
The 44.0% of total release.Therefore, how eliminating paper waste and polluting and be utilized the precious resources in waste liquid is one
Work with great social effect and economic value, should be attached great importance to.With expanding economy, China increasingly faces fresh water
The problem of shortage of resources, scarcity of raw material, and on the other hand, water pollution is also increasingly severe.In recent years, through multi-party unremitting effort,
Paper industry water prevention and cure of pollution have been achieved for certain achievement, although paper and paperboard production increase year by year, waste discharge
In COD but reduce year by year.But paper industry accounts for the waste water of total emission volumn 50% and not yet carries out processing up to standard at present, makes
Recycling is even more few after paper wastewater treatment, therefore, paper waste prevention and cure of pollution and recycling task also phase
When heavy.
Paper waste complicated component, biodegradability is poor, belongs to industrial wastewater difficult to deal with, and its source and feature are：
1st, cooking section waste liquid
Red liquid i.e. caused by black liquor caused by soda pulping process and acid polishing.Most paper mills using soda pulping process and
Produce black liquor.Contained pollutant has accounted for more than the 90% of industrial pollution caused by paper manufacturing total emission volumn in black liquor, and with high concentration and
The characteristic of difficult degradation, its improvement are always a great problem.Main component in black liquor has 3 kinds, i.e. lignin, poly-pentose and total
Alkali.Lignin is a kind of nontoxic natural high molecular substance, is had been widely used as industrial chemicals tool, poly-pentose can be used as domestic animal
Raise feed.
2nd, middle section water
Effluent refers to what the boiling slurry after black liquid extraction was discharged during screening, washing, bleaching etc.
Waste water, color are in buff, account for the 8%~9% of industrial pollution caused by paper manufacturing total emission volumn, ton slurry COD loads 310kg or so.Stage casing
Water concentration is higher than sanitary sewage, and BOD and COD ratio are between 0.20 to 0.35, and biodegradability is poor, and organic matter is difficult to biology
Degrade and intractability is big.Organic matter in middle section water is mainly lignin, cellulose, organic acid etc., using soluble COD as
It is main.Wherein, the most serious is caused chlorine-contained wastewater in bleaching process, such as Chlorinated Bleaching waste water, hypochlorous acid for environmental pollution
Salt bleaching effluent etc..Hypochlorite bleaching waste water mainly contains chloroform, also containing 40 various other organic chlorides, wherein with
Various chlorinated phenols are most, such as dichloro- phenol, three chlorinated phenols.In addition, containing toxic extremely strong carcinogen in bleaching waste liquor
Dioxin, serious threat is caused to ecological environment and health.
3rd, plain boiled water
Plain boiled water is copy paper workshop section waste water, and it derives from paper machine room paper making process.Plain boiled water mainly contain fiber fines,
Filler, coating and lysed wood component, and the sizing material of addition, wet strength agent, preservative etc., can based on insoluble COD
Biochemical is relatively low, and its preservative added has certain toxicity.Plain boiled water water is larger, but the organic pollution load contained by it is much
Less than black digestion liquid and middle-stage wastewater.Present almost all of paper mill paper machine room all employ part or totally-enclosed system with
Papermaking water consumption is reduced, saves power consumption, improves white water recycling rate, reduces unnecessary plain boiled water discharge.
The method for being presently used for pulping wastewater treatment mainly has：Physical filtering method, coagulant sedimentation, absorption method, advanced oxygen
Change method, Bubble-floating Method, acid adding absorption process, catalytic oxidation, biochemical process etc., every kind of method all have respective advantage and disadvantage.Due to list
One processing method is extremely difficult to effect, is typically according to the actual conditions that handle waste water, by several sides in practice
Method is used in combination, and typical production technology is that paper waste is passed through into the physical treatments such as filtering, then after flocculation sediment again
The qualified discharge after biochemical treatment.
Utility model content
The technical problems to be solved in the utility model is that：It is new for technical problem existing for prior art, this practicality
Type provides a kind of ceramic membranous system for Sewage, and the utility model can carry out depth, efficiently place to paper waste
Reason, and can recycle.
In order to solve the above technical problems, the utility model proposes technical scheme be：
A kind of ceramic membranous system for Sewage, including coagulation system, secondary treatment system and three-level
Processing system；
The coagulation system include one-level nano ceramics film filter, concentrated black liquor tank, ultrasonic separation device and
Cooling tank, the concentrate mouth of the one-level nano ceramics film filter are connected with concentrated black liquor tank, the concentrated black liquor tank
Delivery port is connected with the water inlet of ultrasonic separation device, and the delivery port of the ultrasonic separation device is connected with cooling tank；
The secondary treatment system includes sedimentation basin, air-floating apparatus, ultrasonic magnetizing assembly, the two level nanometer pottery being sequentially connected
Porcelain film filter, electrodialysis plant, the first reverse osmosis unit, the second reverse osmosis unit, in addition to the first water collect tank and second
Water collect tank, the delivery port of the cooling tank are connected with the water inlet of two level nano ceramics film filter, first counter-infiltration
The concentrate mouth of device and the second reverse osmosis unit is all connected with sedimentation basin, the delivery port and first of first reverse osmosis unit
Water collect tank connects, and the delivery port and the water inlet of the second water collect tank and the second reverse osmosis unit of second reverse osmosis unit connect
Connect；
The tertiary treatment system includes more medium filter, and delivery port and the sedimentation basin of the more medium filter connect
Connect.
Further improvement as above-mentioned technical proposal：
Energy recycle device is provided between first reverse osmosis unit and the second reverse osmosis unit.
Compared with prior art, the utility model has the advantage of：
Ceramic membranous system of the present utility model for Sewage, the method combined by chemistry, materialization are handled
Both the defects of having overcome alone membrane filtration separating treatment or too high adsorption treatment cost, conventional paper waste method is overcome again
Treatment effect it is undesirable, the defects of the contaminated wastewater environment of discharge, and can recycle.
(1) the utility model largely reduces the dosage of flocculation dosage, reduces the consumption and saving of unit product chemical agent
Reagent cost.
(2) the utility model largely reduces the discharge capacity of sludge, reduces Treatment of Sludge cost.
(3) by processing, 70%~85% can both be reduced discharge of wastewater, is avoided waste water pair waste water with recycling utilization
Environmental pollution, water resource waste is reduced again, the recirculated water cost of regeneration can also be made to be less than running water price, economical rationality, production
Raw preferable economic benefit.
(4) reclamation rate of waste water improves, and both reduces discharge of wastewater, avoids waste water environmental pollution, reduces water resource wave again
Take；And the microorganisms such as the bacterium in waste water can be killed, eradicate the biological pollution of film, the wash number of film is greatly reduced, are dropped
Low film cleans regeneration cost, improves the service efficiency of film, extends the service life of film, reduces film replacement cost.
(5) the water consumption index and discharge of wastewater index of ton paper is greatly lowered, improves business economic technical indicator.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Figure number explanation：
1st, one-level nano ceramics film filter；11st, concentrated black liquor tank；12nd, ultrasonic separation device；13rd, cooling tank；2 two
Level nano ceramics film filter；21st, air-floating apparatus；3rd, electrodialysis plant；4th, the first reverse osmosis unit；41st, the first water collect tank；
5th, energy recycle device；6th, more medium filter；7th, ultrasonic magnetizing assembly；8th, the second reverse osmosis unit；81st, the second water collect tank；
9th, sedimentation basin.
Embodiment
Specific embodiment of the present utility model is described in detail below in conjunction with accompanying drawing.It should be appreciated that herein
Described embodiment is merely to illustrate and explained the utility model, is not limited to the utility model.
For the ease of description, space relative terms can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be appreciated that space relative terms are intended to comprising the orientation except device described in figure
Outside different azimuth in use or operation.For example, if the device in accompanying drawing is squeezed, it is described as " in other devices
It will be positioned as " under other devices or construction after the device of part or construction top " or " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " can include " ... top " and
" in ... lower section " two kinds of orientation.The device can also other different modes positioning (being rotated by 90 ° or in other orientation), and
And respective explanations are made to the relative description in space used herein above.
Fig. 1 shows the ceramic membranous system of the present utility model for Sewage, including coagulation system, two
Level processing system and tertiary treatment system.
Coagulation system includes one-level nano ceramics film filter 1, concentrated black liquor tank 11, the and of ultrasonic separation device 12
Cooling tank 13, the concentrate mouth of one-level nano ceramics film filter 1 are connected with concentrated black liquor tank 11, and concentrated black liquor tank 11 goes out
The mouth of a river is connected with the water inlet of ultrasonic separation device 12, and the delivery port of ultrasonic separation device 12 is connected with cooling tank 13.
Secondary treatment system includes sedimentation basin 9, air-floating apparatus 21, ultrasonic magnetizing assembly 7, the two level nanometer pottery being sequentially connected
Porcelain film filter 2, electrodialysis plant 3, the first reverse osmosis unit 4, the second reverse osmosis unit 8, in addition to the first water collect tank 41
With the second water collect tank 81, energy recycle device 5 is provided between the first reverse osmosis unit 4 and the second reverse osmosis unit 8.Cooling tank 13
Delivery port be connected with the water inlet of two level nano ceramics film filter 2, the first reverse osmosis unit 4 and the second reverse osmosis unit
8 concentrate mouth is all connected with sedimentation basin 9, and the delivery port of the first reverse osmosis unit 4 is connected with the first water collect tank 41, the second reverse osmosis
The delivery port of saturating device 8 is connected with the water inlet of the second water collect tank 81 and the second reverse osmosis unit 8.
Electrodialysis plant 3 is electric dialyzator, and electric dialyzator both ends set negative electrode and anode respectively, from negative electrode between anode
Arrangement is divided into several cells, high aluminium containing salt waste water by anion-exchange membrane and cation-exchange membrane inside electric dialyzator
Freshwater room is entered by pipeline, ion does displacement in the presence of DC electric field, is handed over by anion-exchange membrane, cation
Film is changed respectively to the crown_interception of positive and negative ion, reduces the aluminium salt content in waste water and other metal ions.
Tertiary treatment system includes more medium filter 6, and the delivery port of more medium filter 6 is connected with sedimentation basin 9.
The utility model is used for the handling process of the ceramic membranous system of Sewage, including black liquor processing, stage casing are given up
Water process and plain boiled water processing, specifically include following steps：
Black liquor processing：
A, black liquor being flowed into one-level nano ceramics film filter 1, the concentrated black liquor after filtering flows into concentrated black liquor tank 11,
Flow into again in ultrasonic separation device 12, hydrogen peroxide and Fenton reagent are added to ultrasonic separation device 12, being ultrasonically treated temperature is
30 DEG C ± 2 DEG C, pH 12, sonication treatment time 4h；Lignin is isolated, and removes the COD and TOC of part；
B, the waste water after the separation of ultrasonic separation device 12, which enters after cooling tank 13 cools down, obtains the waste water of prefiltration, and
Poly-pentose crystallization is separated out, the waste water of prefiltration is pumped into two level nano ceramics film filter 2 and carries out step e, with middle-stage wastewater
It is further processed together.
Wherein lignin and poly-pentose is recycled.
Wastewater process in mid section：
C, middle-stage wastewater caused by papermaking is sent into sedimentation basin 9, is precipitated after adding flocculant, and the waste water after precipitation enters
The large granular impurity that air-floating apparatus 21 is gone in water removal；
D, extract separation after waste water pump enter ultrasonic magnetizing assembly 7 carry out ultrasound, magnetization treatment, the COD for part of going out,
TOC and lignin；
E, the waste water after ultrasonic magnetizing assembly 7 is handled is pumped into two level nano ceramics film filter 2, removes grain in waste water
The larger impurity in footpath；
F, the waste water in step after e filterings flows into electrodialysis plant 3, organic macromolecule of degrading, removes colourity；
J, the waste water after electrodialysis enters the first reverse osmosis unit 4, and the production water part of the first reverse osmosis unit 4 flows into the
One water collect tank 41 is collected, and as the cooling water of system, another part is pumped into the second reverse osmosis unit 8, and concentrate returns heavy
Shallow lake pond 9 carries out circular treatment；
H, the production water of the second reverse osmosis unit 8 enters the second water collect tank 81, and as domestic water, concentrate flows into energy and returned
The production water that receiving apparatus 5 flows into the second reverse osmosis unit 8 to the first reverse osmosis unit 4 pressurizes, and the concentrate after decompression returns to precipitation
Pond 9 carries out circular treatment.
The concentrate of first reverse osmosis unit 4 and/or the second reverse osmosis unit 8 returns to the number of the circular treatment of sedimentation basin 9
For 3~5 times.
Plain boiled water processing：
I, plain boiled water is pumped into more medium filter 6 and removes large granular impurity, and the waste water after the processing of more medium filter 6 enters
Enter to carry out step c circular treatment in sedimentation basin 9, handled together with middle-stage wastewater.
Above-mentioned simply preferred embodiment of the present utility model, not makees any formal limitation to the utility model.Though
Right the utility model is disclosed above with preferred embodiment, but is not limited to the utility model.Therefore, it is every without departing from
The content of technical solutions of the utility model, any simply repaiied to made for any of the above embodiments according to the utility model technical spirit
Change, equivalent variations and modification, all should fall in the range of technical solutions of the utility model protection.
Claims (2)
1. for Sewage ceramic membranous system, it is characterised in that including coagulation system, secondary treatment system and
Tertiary treatment system；
The coagulation system includes one-level nano ceramics film filter (1), concentrated black liquor tank (11), ultrasonic separation device
(12) it is connected with cooling tank (13), the concentrate mouth of the one-level nano ceramics film filter (1) with concentrated black liquor tank (11),
The delivery port of the concentrated black liquor tank (11) is connected with the water inlet of ultrasonic separation device (12), the ultrasonic separation device (12)
Delivery port be connected with cooling tank (13)；
The secondary treatment system include be sequentially connected sedimentation basin (9), air-floating apparatus (21), ultrasonic magnetizing assembly (7), two level
Nano ceramics film filter (2), electrodialysis plant (3), the first reverse osmosis unit (4), the second reverse osmosis unit (8), are also wrapped
The first water collect tank (41) and the second water collect tank (81) are included, delivery port and the two level nano ceramics membrane filtration of the cooling tank (13) fill
Put the water inlet connection of (2), the concentrate mouth of first reverse osmosis unit (4) and the second reverse osmosis unit (8) all with precipitation
Pond (9) is connected, and the delivery port of first reverse osmosis unit (4) is connected with the first water collect tank (41), the second counter-infiltration dress
The delivery port for putting (8) is connected with the water inlet of the second water collect tank (81) and the second reverse osmosis unit (8)；
The tertiary treatment system includes more medium filter (6), the delivery port and sedimentation basin of the more medium filter (6)
(9) connect.
2. the ceramic membranous system according to claim 1 for Sewage, it is characterised in that first reverse osmosis
Energy recycle device (5) is provided between device (4) and the second reverse osmosis unit (8) thoroughly.
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| CN201720584459.XU CN206828295U (en) | 2017-05-24 | 2017-05-24 | Ceramic membranous system for Sewage |
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| CN201720584459.XU CN206828295U (en) | 2017-05-24 | 2017-05-24 | Ceramic membranous system for Sewage |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107055924A (en) * | 2017-05-24 | 2017-08-18 | 广西碧清源环保科技有限公司 | Ceramic membranous system and its handling process for Sewage |
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2017
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107055924A (en) * | 2017-05-24 | 2017-08-18 | 广西碧清源环保科技有限公司 | Ceramic membranous system and its handling process for Sewage |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180524 Address after: 543002 the Guangxi Zhuang Autonomous Region Wuzhou east exit two provinces, 3 floor, Guangdong guest house 330 room Patentee after: GUANGXI BIQINGYUAN ENVIRONMENTAL PROTECTION INVESTMENT Co.,Ltd. Address before: 543000 Zhaoping Town, Zhaoping County, Hezhou, the Guangxi Zhuang Autonomous Region (Lingjiao Village) Patentee before: GUANGXI BRIWATER ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Ceramic membrane system for papermaking wastewater treatment Granted publication date: 20180102 Pledgee: China CITIC Bank Nanning Branch Pledgor: GUANGXI BIQINGYUAN ENVIRONMENTAL PROTECTION INVESTMENT Co.,Ltd. Registration number: Y2024450000018 |