CN105643857A - Lung type aeration sponge for improving aeration efficiency in sewage treatment - Google Patents
Lung type aeration sponge for improving aeration efficiency in sewage treatment Download PDFInfo
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- CN105643857A CN105643857A CN201610077662.8A CN201610077662A CN105643857A CN 105643857 A CN105643857 A CN 105643857A CN 201610077662 A CN201610077662 A CN 201610077662A CN 105643857 A CN105643857 A CN 105643857A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
- B29C67/20—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F7/00—Aeration of stretches of water
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/12—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/12—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08L27/16—Homopolymers or copolymers or vinylidene fluoride
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/12—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08L27/18—Homopolymers or copolymers or tetrafluoroethene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/12—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08L27/20—Homopolymers or copolymers of hexafluoropropene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L91/00—Compositions of oils, fats or waxes; Compositions of derivatives thereof
- C08L91/06—Waxes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/14—Applications used for foams
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Chemical & Material Sciences (AREA)
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Engineering & Computer Science (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
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Abstract
The invention discloses a lung type aeration sponge for improving the aeration efficiency in sewage treatment. The lung type aeration sponge is prepared by foaming a low surface energy solid material and sponge, wherein the weight percentage of the low surface energy solid material is 1-60 percent. The lung type aeration sponge can replace the aeration process which is widely applied to the traditional sewage treatment process, reaches the effect of bubbleless aeration and increases the utilization ratio of oxygen by 2-3 times compared with that of the traditional method, and therefore, the oxygen content in sewage can be improved from 5-30 percent to 30-90 percent, the sewage enters a stereoscopic micro-aerobic aeration pool after being simply blended with returned sludge and runback water in an anaerobic pool, aerobic, anaerobic and facultative anaerobic reactions are carried out through a special carrier and immobilized microorganisms, and the purpose of purifying the sewage is reached. According to the lung type aeration sponge, as aeration of the aeration pool is quantitatively carried out in a timing manner, the energy needed by aeration can be greatly saved, and the purposes of saving the energy and high efficiency are reached.
Description
Technical field
The present invention relates to technical field of sewage, particularly relate in sewage disposal for improving the lung formula aeration sponge of aeration efficiency.
Background technology
In many occasions, it is necessary to improve oxygen meltage in water, such as aerobic fermentation, sewage aeration, aquaculture, aquatic product transportation etc. But oxygen dissolubility in water is non-normally low under normal circumstances. The method efficiency improving water oxygen Gas content of ventilating in water is very low, is typically in 5-30%, causes the waste of energy.
The multiplex anaerobism of method of sewage disposal both at home and abroad adds activated sludge aeration method at present, and wherein cost shared by aeration reaches about 70%. Its shortcoming is that infrastructure investment is higher, and floor space is relatively big, and surrounding has certain impact; Owing to oxygen dissolubility in water is relatively low, oxygen utilization rate is not high, causes that unit cost of sewage disposal is higher. Reduce cost of sewage disposal and become the task of top priority of professional, owing to the essence of sewage disposal is centered by microbial degradation, it is aided with chemically and physically method and pollutant component in water is carried out degraded separation, therefore, the degradation efficiency improving microorganism is the key reducing cost of sewage disposal, and the utilization rate of oxygen is not only related to the degradation efficiency of microorganism in aeration process, the cost of also extreme influence sewage purification simultaneously.
Its know-why is: oxygen is the key factor in Water warfare, and the essence of " Running water never becomes putrid " is at continuous aeration in flow process, it is ensured that the dissolved oxygen amount in water. How low cost to be substantially dissolved in water by oxygen be one of key solving sewage purification. In nature, the hemoglobin in mammal body can quickly in conjunction with oxygen molecule, and the oxygen saturation in blood is about 20 times of water. BeiJing ZhongGuanCun returned student scholar Qin Zerong passes through years of researches, has succeeded in developing a kind of Novel bionic oxygen carrying material. The oxygen carrier mechanismic design that this material is according to hemoglobin forms, and has the advantageous properties such as oxyphie, UV resistant, resistance to oxidation, resistance to microbial decomposition. Can substituting wide variety of aeration system in current sewage treatment process, reach the effect of bubble-free aeration, the utilization rate of oxygen improves 2-3 times than traditional method.
Summary of the invention
For solving above-mentioned technical problem, the present invention carries for improving the lung formula aeration sponge of aeration efficiency in sewage disposal, the very big cost reducing sewage purification, improves the oxygen content in cesspool.
In order to realize above-mentioned technical purpose, the present invention adopts the following technical scheme that: for improving the lung formula aeration sponge of aeration efficiency in sewage disposal, sponge is made up of low table energy solid material and sponge foaming, and wherein the percentage by weight of low table energy solid material is 1-60%;
Its preparation method is:
1) wear into the powder less than or equal to 100 order fineness after being measured by the low table energy solid material of above-mentioned weight portion, add in agitating device with the foaming used additives 1%��10% measured and the sponge measured, be sufficiently mixed, form composite material;
2) composite material is carried out foaming, form porous body;
3), after porous body being cooled down ripening, sponge is formed.
Further, the foaming used additives of described step 1 includes chain extender, foaming agent, catalyst, foam stabiliser.
Further, the temperature of described step 1 stirring mixing is 70-85 DEG C, and mixing time is 30-60 minute.
Further, described step 2 is at foaming and after cutting into block porous body, at least through weak brine wash, neutralize pickling two procedures, after then passing through cold drying, it is placed in the die cavity of a hot press, lower than under 80 DEG C of temperature, 12 15Mpa pressure, through the hot pressing of at least 7 minutes, it is pressed into described thin stephanoporate goods.
Further, the surface tension of low table energy solid material is less than 30.
Further, described low table energy solid material is polyhexafluoropropylene, politef, perfluoroethylene-propylene (F46), poly-trifluoro-ethylene, polyvinyladine floride, polyvinyl fluoride, polytrifluorochloroethylene, silica gel, natural rubber, paraffin or CTFE.
The technical characterstic of the present invention with effect is: adopting sponge is that low table energy solid material carries out aeration with porous, expanded material and produces into sponge, during use, the sponge made is cut into the fritter that length and width are certain, put into the bottom for the treatment of tank, cesspool top uses dividing plate, ensure that sponge will not be kept afloat, form according to the oxygen carrier mechanismic design of hemoglobin, there is the advantageous properties such as oxyphie, UV resistant, resistance to oxidation, resistance to microbial decomposition. Wide variety of aeration system in current sewage treatment process can be substituted, reach the effect of bubble-free aeration, the utilization rate of oxygen improves 2-3 times than traditional method, therefore just the oxygen content in sewage can be brought up to 30-90% by original 5-30%, sewage enters three-dimensional micro-oxygen Aeration tank with returned sludge and recirculation water at anaerobic pond after simply adjusting and mixing, carry out aerobic, anaerobism, amphimicrobian reaction by special carrier and immobilized microorganism, reach to purify the purpose of sewage. The aeration of Aeration tank is that quantitative timing carries out, it is possible to be greatly saved the energy needed for aeration, reaches energy-conservation and efficient purpose.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearly understand, below in conjunction with embodiment, the present invention is further elaborated. Should be appreciated that specific embodiment described herein is only in order to explain the present invention, is not intended to limit the present invention.
Embodiment one
The present invention provides for improving the lung formula aeration sponge of aeration efficiency in sewage disposal, and sponge is made up of low table energy solid material and sponge foaming, and wherein the percentage by weight of low table energy solid material is 1%;
Its preparation method is:
First wear into the powder less than or equal to 100 order fineness after being measured by the low table energy solid material of above-mentioned weight portion, add in agitating device with the foaming used additives 1% measured and the sponge measured, be sufficiently mixed, form composite material;
Secondly composite material is carried out foaming, forms porous body;
After again porous body being cooled down ripening, form sponge.
Preferably, wherein foaming used additives includes chain extender, foaming agent, catalyst, foam stabiliser.
Preferably, the temperature wherein stirring mixing is 70 DEG C, and mixing time is 30 minutes.
Preferably, wherein at foaming and after cutting into block porous body, at least through weak brine wash, neutralize pickling two procedures, after then passing through cold drying, it is placed in the die cavity of a hot press, lower than under 80 DEG C of temperature, 12 15Mpa pressure, through the hot pressing of at least 7 minutes, it is pressed into described thin stephanoporate goods.
Preferably, wherein the surface tension of low table energy solid material less than 30.
The oxygen content that the principle that lung formula aeration is breathed is in sewage disposal process to increase in sewage, then carry out passing into oxygen in the stage of cesspool and carry out aeration, in cesspool, put into the sponge through foaming by low table energy solid material and sponge being cut into a certain size simultaneously, then pass through the mode that above-mentioned material adopts lung formula to breathe, oxygen after aeration can be adequately retained in cesspool, hence in so that the oxygen content in sewage is brought up to 90% by original 5%.
Embodiment two
The present invention provides for improving the lung formula aeration sponge of aeration efficiency in sewage disposal, and sponge is made up of low table energy solid material and sponge foaming, and wherein the percentage by weight of low table energy solid material is 10%;
Its preparation method is:
First wear into the powder less than or equal to 100 order fineness after being measured by the low table energy solid material of above-mentioned weight portion, add in agitating device with the foaming used additives 3% measured and the sponge measured, be sufficiently mixed, form composite material;
Secondly composite material is carried out foaming, forms porous body;
After again porous body being cooled down ripening, form sponge.
Preferably, wherein foaming used additives includes chain extender, foaming agent, catalyst, foam stabiliser.
Preferably, the temperature wherein stirring mixing is 75 DEG C, and mixing time is 40 minutes.
Preferably, wherein at foaming and after cutting into block porous body, at least through weak brine wash, neutralize pickling two procedures, after then passing through cold drying, it is placed in the die cavity of a hot press, lower than under 80 DEG C of temperature, 12 15Mpa pressure, through the hot pressing of at least 7 minutes, it is pressed into described thin stephanoporate goods.
Preferably, wherein the surface tension of low table energy solid material is less than 30, lung formula aeration principle with embodiment 1 hence in so that the oxygen content in sewage is brought up to 93% by original 15%.
Embodiment three
The present invention provides for improving the lung formula aeration sponge of aeration efficiency in sewage disposal, and sponge is made up of low table energy solid material and sponge foaming, and wherein the percentage by weight of low table energy solid material is 30%;
Its preparation method is:
First wear into the powder less than or equal to 100 order fineness after being measured by the low table energy solid material of above-mentioned weight portion, add in agitating device with the foaming used additives 5% measured and the sponge measured, be sufficiently mixed, form composite material;
Secondly composite material is carried out foaming, forms porous body;
After again porous body being cooled down ripening, form sponge.
Preferably, wherein foaming used additives includes chain extender, foaming agent, catalyst, foam stabiliser.
Preferably, the temperature wherein stirring mixing is 78 DEG C, and mixing time is 50 minutes.
Preferably, wherein at foaming and after cutting into block porous body, at least through weak brine wash, neutralize pickling two procedures, after then passing through cold drying, it is placed in the die cavity of a hot press, lower than under 80 DEG C of temperature, 12 15Mpa pressure, through the hot pressing of at least 7 minutes, it is pressed into described thin stephanoporate goods.
Preferably, wherein the surface tension of low table energy solid material is less than 30, lung formula aeration principle with embodiment 1 hence in so that the oxygen content in sewage is brought up to 95% by original 20%.
Embodiment four
The present invention provides for improving the lung formula aeration sponge of aeration efficiency in sewage disposal, and sponge is made up of low table energy solid material and sponge foaming, and wherein the percentage by weight of low table energy solid material is 50%;
Its preparation method is:
First wear into the powder less than or equal to 100 order fineness after being measured by the low table energy solid material of above-mentioned weight portion, add in agitating device with the foaming used additives 8% measured and the sponge measured, be sufficiently mixed, form composite material;
Secondly composite material is carried out foaming, forms porous body;
After again porous body being cooled down ripening, form sponge.
Preferably, wherein foaming used additives includes chain extender, foaming agent, catalyst, foam stabiliser.
Preferably, the temperature wherein stirring mixing is 80 DEG C, and mixing time is 55 minutes.
Preferably, wherein at foaming and after cutting into block porous body, at least through weak brine wash, neutralize pickling two procedures, after then passing through cold drying, it is placed in the die cavity of a hot press, lower than under 80 DEG C of temperature, 12 15Mpa pressure, through the hot pressing of at least 7 minutes, it is pressed into described thin stephanoporate goods.
Preferably, wherein the surface tension of low table energy solid material is less than 30, lung formula aeration principle with embodiment 1 hence in so that the oxygen content in sewage is brought up to 98% by original 25%.
Embodiment five
The present invention provides for improving the lung formula aeration sponge of aeration efficiency in sewage disposal, and sponge is made up of low table energy solid material and sponge foaming, and wherein the percentage by weight of low table energy solid material is 60%;
Its preparation method is:
First wear into the powder less than or equal to 100 order fineness after being measured by the low table energy solid material of above-mentioned weight portion, add in agitating device with the foaming used additives 10% measured and the sponge measured, be sufficiently mixed, form composite material;
Secondly composite material is carried out foaming, forms porous body;
After again porous body being cooled down ripening, form sponge.
Preferably, wherein foaming used additives includes chain extender, foaming agent, catalyst, foam stabiliser.
Preferably, the temperature wherein stirring mixing is 85 DEG C, and mixing time is 60 minutes.
Preferably, wherein at foaming and after cutting into block porous body, at least through weak brine wash, neutralize pickling two procedures, after then passing through cold drying, it is placed in the die cavity of a hot press, lower than under 80 DEG C of temperature, 12 15Mpa pressure, through the hot pressing of at least 7 minutes, it is pressed into described thin stephanoporate goods.
Preferably, wherein the surface tension of low table energy solid material is less than 30, lung formula aeration principle with embodiment 1 hence in so that the oxygen content in sewage is brought up to 100% by original 30%.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all any amendment, equivalent replacement and improvement etc. made within the spirit and principles in the present invention, should be included within protection scope of the present invention.
Claims (6)
1. for improving the lung formula aeration sponge of aeration efficiency in sewage disposal, it is characterised in that: sponge is made up of low table energy solid material and sponge foaming, and wherein the percentage by weight of low table energy solid material is 1-60%;
Its preparation method is:
1) wear into the powder less than or equal to 100 order fineness after being measured by the low table energy solid material of above-mentioned weight portion, add in agitating device with the foaming used additives 1%��10% measured and the sponge measured, be sufficiently mixed, form composite material;
2) composite material is carried out foaming, form porous body;
3), after porous body being cooled down ripening, sponge is formed.
2. for improving the lung formula aeration sponge of aeration efficiency in sewage disposal according to claim 1, it is characterised in that: the foaming used additives of described step 1 includes chain extender, foaming agent, catalyst, foam stabiliser.
3. for improving the lung formula aeration sponge of aeration efficiency in sewage disposal according to claim 1, it is characterised in that: the temperature of described step 1 stirring mixing is 70-85 DEG C, and mixing time is 30-60 minute.
4. for improving the lung formula aeration sponge of aeration efficiency in sewage disposal according to claim 1, it is characterized in that: described step 2 is at foaming and after cutting into block porous body, at least through weak brine wash, neutralize pickling two procedures, after then passing through cold drying, it is placed in the die cavity of a hot press, lower than under 70 DEG C of temperature, 12 15Mpa pressure, through the hot pressing of at least 7 minutes, it is pressed into described thin stephanoporate goods.
5. for improving the lung formula aeration sponge of aeration efficiency in sewage disposal according to claim 1, it is characterised in that: the surface tension of low table energy solid material is less than 30.
6. for improving the lung formula aeration sponge of aeration efficiency in sewage disposal according to claim 1, it is characterised in that: described low table energy solid material is polyhexafluoropropylene, politef, perfluoroethylene-propylene (F46), poly-trifluoro-ethylene, polyvinyladine floride, polyvinyl fluoride, polytrifluorochloroethylene, silica gel, natural rubber, paraffin or CTFE.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610077662.8A CN105643857A (en) | 2016-02-03 | 2016-02-03 | Lung type aeration sponge for improving aeration efficiency in sewage treatment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610077662.8A CN105643857A (en) | 2016-02-03 | 2016-02-03 | Lung type aeration sponge for improving aeration efficiency in sewage treatment |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106085916A (en) * | 2016-07-23 | 2016-11-09 | 安徽乙地生态科技有限公司 | A kind of method utilizing O_2 carrier powder fast culture aerobe |
| CN106145308A (en) * | 2016-07-23 | 2016-11-23 | 安徽乙地生态科技有限公司 | A kind of oxygen carrying water-purifying material processed for sewage aeration |
| CN106190915A (en) * | 2016-07-23 | 2016-12-07 | 安徽乙地生态科技有限公司 | The application in cultivating aerobe of a kind of O_2 carrier powder |
| CN106186379A (en) * | 2016-07-23 | 2016-12-07 | 安徽乙地生态科技有限公司 | A kind of oxygen carrying material processed for water oxygenation |
| CN106186380A (en) * | 2016-07-23 | 2016-12-07 | 安徽乙地生态科技有限公司 | A kind of application that oxygen carrying material is improved in sewage aeration processes water body oxygen content |
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| CN106145308A (en) * | 2016-07-23 | 2016-11-23 | 安徽乙地生态科技有限公司 | A kind of oxygen carrying water-purifying material processed for sewage aeration |
| CN106190915A (en) * | 2016-07-23 | 2016-12-07 | 安徽乙地生态科技有限公司 | The application in cultivating aerobe of a kind of O_2 carrier powder |
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