CN108191040B - A kind of high-intensitive carrier material and preparation method thereof for sewage treatment - Google Patents
A kind of high-intensitive carrier material and preparation method thereof for sewage treatment Download PDFInfo
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- CN108191040B CN108191040B CN201711368726.0A CN201711368726A CN108191040B CN 108191040 B CN108191040 B CN 108191040B CN 201711368726 A CN201711368726 A CN 201711368726A CN 108191040 B CN108191040 B CN 108191040B
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
- C02F3/2806—Anaerobic processes using solid supports for microorganisms
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- Biodiversity & Conservation Biology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses a kind of high-intensitive carrier material for sewage treatment, the carrier material is composed of the following components: hydroxyethyl methacrylate, crosslinking agent and catalyst.The preparation method comprises the following steps: after mixing by hydroxyethyl methacrylate and water, then crosslinking agent and catalyst is added, material after mixing is added in mold and is heated, is demoulded after cooling, carry out pelletizing and washing process successively to get the high-intensitive carrier material arrived for sewage treatment.Carrier material absorption moisture ability is relatively strong, can be realized good moist environment, long service life, intensity are high, wear-resistant and extruding degree is high, are suitable for the pressure generated in mechanical stirring and transportational process, and porosity is suitable for, can largely be enriched with hydrolytic bacteria, denitrifying bacteria and Anammox, is strong to microorganism adsorption ability, biofilm is firm, has extremely strong promotional value.
Description
Technical field
The present invention relates to sewage treatment field more particularly to a kind of high-intensitive carrier materials and its system for sewage treatment
Preparation Method.
Background technique
With the reduction of water resource, sewage treatment is increasingly taken seriously.It is Modern sewage by carrier attached microbial
A kind of mainstream method used is handled, the organic principle in sewage is degraded using the capacity of decomposition of microorganism, purifying water body.Benefit
It just needs to be affixed on carrier with microorganism treating sewage, carrier is placed in sewage, utilization that can be permanently effective
Microorganism.Most of the microbe carrier of early stage for sewage treatment is the hydrogels such as sodium alginate, carragheen, polyvinyl alcohol,
Since the biochemistry of this substance is stablized due to poor, mechanical strength is low and the service life is short etc., industrial application is subject to certain restrictions.
Then, people begin one's study the preferable ceramsite carrier of hardness to replace them, however, the force ratio of ceramsite carrier is weaker, it is resistance to
Impact force performance is poor, and density is excessive, to affect its service life and treatment effect.In recent years, some microorganisms carry
Body is to be formed using natural crystal and artificial plastic cement etc., but such microbe carrier specific surface area is small and porosity mistake a bit
Small, the affinity interaction between carrier and microorganism is small, and the microbes being attached to above are fallen off, due to falling off frequent occurrence,
It is long the time required to microculture.
Summary of the invention
Based on the problems of prior art, the object of the present invention is to provide a kind of high intensity for sewage treatment to carry
Body material and preparation method thereof, the intensity service life is all good and porosity is suitable for, and can solve intensity existing for existing microbe carrier
Difference, the problems such as service life is short, specific surface area is small, porosity is improper.
The purpose of the present invention is what is be achieved through the following technical solutions:
Embodiment of the present invention provides a kind of high-intensitive carrier material for sewage treatment, and the carrier material is by with the following group
It is grouped as: hydroxyethyl methacrylate, crosslinking agent and catalyst
Embodiment of the present invention also provides a kind of preparation method of high-intensitive carrier material for sewage treatment, for making
The standby high-intensitive carrier material of the present invention for sewage treatment, comprising the following steps:
After mixing by hydroxyethyl methacrylate and water, crosslinking agent and catalyst is added, by object after mixing
Expect to be added in mold and be heated, demoulded after cooling, carries out pelletizing and washing process successively to get to for sewage treatment
High-intensitive carrier material.
As seen from the above technical solution provided by the invention, the height provided in an embodiment of the present invention for sewage treatment
Intensity carrier material and preparation method thereof, it has the advantage that:
By hydroxyethyl methacrylate, atlapulgite, active carbon, pore-foaming agent, crosslinking agent and catalyst combination, it is made one
The carrier material that the kind intensity service life is all good and porosity is suitable, carrier material absorption moisture ability is relatively strong, it is good to can be realized
Moist environment, long service life, intensity is high, wear-resistant and squeeze that degree is high, is suitable for producing in mechanical stirring and transportational process
Raw pressure, and porosity is suitable for, can largely be enriched with hydrolytic bacteria, denitrifying bacteria and Anammox, to microorganism adsorption
Ability is strong, biofilm is firm, has extremely strong promotional value.
Specific embodiment
Below with reference to particular content of the invention, technical solution in the embodiment of the present invention is clearly and completely retouched
It states, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the present invention
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts,
Belong to protection scope of the present invention.The content being not described in detail in the embodiment of the present invention belongs to professional and technical personnel in the field
The well known prior art.
The embodiment of the present invention provides a kind of high-intensitive carrier material for sewage treatment, and the carrier material is by following components
Composition: hydroxyethyl methacrylate, crosslinking agent and catalyst.
In above-mentioned carrier material, dosage of each component are as follows: hydroxyethyl methacrylate 25-75 parts by weight, crosslinking agent 0.25-1
Parts by weight, catalyst 0.25-1 parts by weight, water 17-71.5 parts by weight.
Further, above-mentioned carrier material further include: atlapulgite, active carbon and pore-foaming agent.The atlapulgite, activity
The dosage of charcoal and pore-foaming agent are as follows: atlapulgite 0.1-3 parts by weight, active carbon 0.1-3 parts by weight, pore-foaming agent 0.1-1.5 parts by weight.
Pore-foaming agent therein is using lauryl sodium sulfate or ethyl acetate and lauryl alcohol；
Through test result show suitable addition atlapulgite and active carbon to the intensity of carrier material have positive interaction and
Make the microorganism colonization of biofilm is firm to be difficult to fall off, and the effect of pore-foaming agent is to adjust the porosity of carrier material.
In above-mentioned carrier material, the crosslinking agent uses N, N '-methylene-bisacrylamide and/or methacrylate second
Diol ester；
The catalyst is using ammonium persulfate and/or sodium hydrogensulfite and/or azodiisobutyronitrile.
Above-mentioned carrier material is prepared by following manner, comprising:
After mixing by hydroxyethyl methacrylate, atlapulgite, active carbon and water, crosslinking agent and catalyst is added,
Material after mixing is added in mold and is heated, is demoulded after cooling, successively carries out pelletizing and washing process, i.e.,
Obtain the high-intensitive carrier material for sewage treatment.
The preparation of above-mentioned carrier material further include:
It is added and is uniformly mixed together with atlapulgite and active carbon are added simultaneously with hydroxyethyl methacrylate and water, Zhi Houjia
Enter pore-foaming agent quickly to stir evenly, then add crosslinking agent and catalyst, carries out subsequent step.
In the preparation of above-mentioned carrier material, described material after mixing is added in mold is heated are as follows:
It seals after mold is added in material after mixing, is heated 2-12 hours by 60-80 DEG C of temperature；
The washing process are as follows: pelletizing resulting material is placed in deionized water and is impregnated 7 days, replacement in every 24 hours is once gone
Ionized water.
The embodiment of the present invention also provides a kind of preparation method of high-intensitive carrier material for sewage treatment, is used to prepare
Above-mentioned high-intensitive carrier material, comprising the following steps:
After mixing by hydroxyethyl methacrylate and water, crosslinking agent and catalyst is added, by object after mixing
Expect to be added in mold and be heated, demoulded after cooling, carries out pelletizing and washing process successively to get to for sewage treatment
High-intensitive carrier material.
Above-mentioned preparation method further include: be added together with atlapulgite and active carbon simultaneously with hydroxyethyl methacrylate and water
It is added and is uniformly mixed, pore-foaming agent is added later and quickly stirs evenly, then adds crosslinking agent and catalyst, carries out subsequent step
Suddenly；
In above-mentioned preparation method, material after mixing is added in mold and is heated are as follows: will be uniformly mixed
Material afterwards seals after mold is added, and heats 2-12 hours by 60-80 DEG C of temperature；
In above-mentioned preparation method, washing process are as follows: pelletizing resulting material is placed in deionized water and is impregnated 7 days, every 24 is small
Deionized water of Shi Genghuan.
The present invention provides a kind of multifunctional carrier and preparation method thereof for sewage treatment, and carrier is with metering system
Sour hydroxyl ethyl ester, atlapulgite, active carbon, pore-foaming agent, crosslinking agent, catalyst etc. be raw material, through mixing, heating, demoulding, cutting,
It is obtained after each step of the processing such as granulation, washing.Since the project amount of sewage treatment now is very big, especially municipal wastewater,
Although a kind of suitable carrier of and porosity all good the patent provides intensity service life, the demand of carrier is also very huge
Greatly, therefore service life and its quality of microbe carrier can be controlled, is particularly important in sewage treatment.
The embodiment of the present invention is specifically described in further detail below.
The present embodiment provides a kind of long service life, intensity is high, porosity is suitable for and can reach standard for sewage
The carrier material of processing, can overcome that intensity difference present in current existing microbe carrier, the service life is short, specific surface area is small, hole
The problems such as rate is improper.Carrier material of the invention is by hydroxyethyl methacrylate, atlapulgite, active carbon, pore-foaming agent, crosslinking
Agent and catalyst composition；In order to play synergistic effect between each component, make the carrier that there is good comprehensive performance, the present invention
The dosage of each component, the dosage of each component are preferably set are as follows: hydroxyethyl methacrylate is 25-75 parts by weight, atlapulgite
For 0-3 parts by weight, active carbon be 0-3 parts by weight, pore-foaming agent is 0-1.5 parts by weight, crosslinking agent is 0.25-1 parts by weight, catalyst
It is 15-74.25 parts by weight for 0.5-1.5 parts by weight and water.Preferably, the dosage of each component are as follows: hydroxyethyl methacrylate 25
Parts by weight, 1 parts by weight of atlapulgite, 1 parts by weight of active carbon, 0.25 parts by weight of pore-foaming agent, 0.25 parts by weight of crosslinking agent, catalyst
0.5 parts by weight, 72 parts by weight of water.
Pore-foaming agent in above-mentioned carrier material is preferably lauryl sodium sulfate；
Crosslinking agent in above-mentioned carrier material is preferably N, N '-methylene-bisacrylamide；
Catalyst in above-mentioned carrier material is preferably ammonium persulfate and sodium hydrogensulfite.
The preparation method of above-mentioned carrier material, comprising the following steps:
After mixing by hydroxyethyl methacrylate, atlapulgite, active carbon and water, pore-foaming agent is added quickly to stir
It is even, crosslinking agent and catalyst is then added, the mixing physics of formation, which is added in mold, to be heated, it is demoulded after cooling, according to
Secondary progress pelletizing and washing process obtain the carrier material.
Heat treatment in the above method specifically: material after mixing is added in mold, 2-12 is heated in sealing
Hour, the effect of sealing is to exclude the oxygen in reaction system, avoids the generation of side reaction.
Washing process in the above method are as follows: pelletizing resulting material is placed in deionized water and is impregnated 7 days, every 24 hours more
Deionized water is changed, the effect that deionized water is impregnated is replaced repeatedly and is to wash away small molecule monomer contained in product and surface
The additive of attachment.
Carrier material of the invention absorbs that moisture ability is relatively strong, can be realized good moist environment, long service life, strong
Spend high, wear-resistant and squeeze that degree is high, is suitable for the pressure generated in mechanical stirring and transportational process, and porosity it is suitable, can
A large amount of enrichment hydrolytic bacterias, denitrifying bacteria and anaerobic ammonia oxidizing bacteria etc., strong to microorganism adsorption ability, biofilm is firm, has
Extremely strong promotional value.Mainly examples of such carriers material is insoluble in water but hydrophily is strong, excellent in mechanical performance, is a kind of performance
Excellent hydrogel material, has good biology performance, and a large amount of such materials are largely used to ophthalmology (cornea,artificial), bone
Section's (perichondrium substitute), vanity surgery's (gel dressing), drug delivery system etc., and as a kind of microbe carrier
Material not yet someone reports, shows the addition of pore-foaming agent through experiment and test result, in the forming process of hydrogel, makes interior
Portion produces part bubble, these bubbles occupy the inside and outside segment space of hydrogel, and when reacting stopping, bubble is broken
It splits, therefore forms the hydrogel carrier with higher porosity, and the porosity of carrier material can adding according to pore-foaming agent
Dosage and be adjusted, be conducive to the absorption and enrichment of microorganism, and atlapulgite and active carbon be added etc., make its microstructure
Surface is more coarse, therefore the microorganism (hydrolytic bacteria, denitrifying bacteria, anaerobic ammonia oxidizing bacteria etc.) of biofilm is difficult to fall off.
The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention..
Embodiment 1
The present embodiment provides a kind of high-intensitive carrier materials for sewage treatment, are a kind of bio-carriers, consisting of:
Hydroxyethyl methacrylate 25g, atlapulgite 1g, active carbon 1g, lauryl sodium sulfate 0.25g, N, N '-methylene bisacrylamide
Amide 0.25g, ammonium persulfate 0.25g, sodium hydrogensulfite 0.25g and water 72g.
Embodiment 2
The present embodiment provides a kind of high-intensitive carrier materials for sewage treatment, are a kind of bio-carriers, consisting of:
Hydroxyethyl methacrylate 30g, atlapulgite 0.5g, active carbon 2g, lauryl alcohol 0.3g, N, N '-methylene-bisacrylamide
0.3g, ammonium persulfate 0.45g, sodium hydrogensulfite 0.45g and water 66g.
Embodiment 3
The present embodiment provides a kind of high-intensitive carrier materials for sewage treatment, are a kind of bio-carriers, consisting of:
Hydroxyethyl methacrylate 40g, atlapulgite 1.5g, active carbon 1g, ethyl acetate 0.5g, lauryl alcohol 0.5g, double metering systems
Sour glycol ester 0.5g, azodiisobutyronitrile 1g and water 55g.
The carrier that above-described embodiment 1~3 provides can be used the following method and be prepared, comprising the following steps: methyl
The raw materials such as hydroxy-ethyl acrylate, atlapulgite, active carbon and water after mixing, are added pore-foaming agent and quickly stir evenly, then
Crosslinking agent and catalyst is added, material after mixing is added in mold, and sealing is heated 2-12 hours, and sealing acts on
In excluding the oxygen in reaction system, the generation of side reaction is avoided, is demoulded after cooling, pelletizing is successively carried out, then by pelletizing institute
It obtains material and is placed in deionized water and impregnate 7 days, replacement deionized water carries out washing process within every 24 hours, replaces deionized water repeatedly
The effect of immersion is to wash away the additive of small molecule monomer contained in product and surface attachment, after washing process is complete
Obtain the high-intensitive carrier material for sewage treatment.
Experimental example
According to the raw material of embodiment 1-3, three kinds of loads are prepared after mixing, heating, demoulding by above-mentioned preparation method
Body material tests its mechanical property using universal testing machine, and test result is as shown in table 1.
The compression verification result of 1 embodiment 1-3 of table
Above-mentioned table 1 is the carrier material of embodiment 1-3, with the test result of universal testing machine, through detecting, embodiment 1-3
The biological carrier materials of offer all have outstanding mechanical property, and it is existing that every mechanical property result is superior to most of markets
Carrier material.
To guarantee product quality, product cost is saved, the comprehensive performance of embodiment 1 is better than embodiment 2 and embodiment 3.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Within the technical scope of the present disclosure, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims
Subject to enclosing.
Claims (8)
1. a kind of high-intensitive carrier material for sewage treatment, which is characterized in that the carrier material is composed of the following components: first
Base hydroxy-ethyl acrylate, crosslinking agent and catalyst；The dosage of each component are as follows: hydroxyethyl methacrylate 25-75 parts by weight are handed over
Join agent 0.25-1 parts by weight, catalyst 0.25-1 parts by weight, water 17-71.5 parts by weight；
Further include: atlapulgite, active carbon and pore-foaming agent；The dosage of the atlapulgite, active carbon and pore-foaming agent are as follows: activity is white
Native 0.1-3 parts by weight, active carbon 0.1-3 parts by weight, pore-foaming agent 0.1-1.5 parts by weight.
2. a kind of high-intensitive carrier material for sewage treatment according to claim 1, which is characterized in that
The pore-foaming agent is using lauryl sodium sulfate or ethyl acetate and lauryl alcohol.
3. a kind of high-intensitive carrier material for sewage treatment according to claim 1 or 2, which is characterized in that described
Crosslinking agent uses N, N '-methylene-bisacrylamide and/or ethyleneglycol dimethyacrylate；
The catalyst is using ammonium persulfate and/or sodium hydrogensulfite and/or azodiisobutyronitrile.
4. a kind of high-intensitive carrier material for sewage treatment according to claim 1 or 2, which is characterized in that described
Carrier material is prepared by following manner, comprising:
After mixing by hydroxyethyl methacrylate, atlapulgite, active carbon and water, crosslinking agent and catalyst is added, will mix
Material after closing uniformly, which is added in mold, to be heated, and is demoulded after cooling, carries out pelletizing and washing process successively to get arriving
High-intensitive carrier material for sewage treatment.
5. a kind of high-intensitive carrier material for sewage treatment according to claim 4, which is characterized in that further include:
It is added and is uniformly mixed together with atlapulgite and active carbon are added simultaneously with hydroxyethyl methacrylate and water, be added cause later
Hole agent quickly stirs evenly, and then adds crosslinking agent and catalyst, carries out subsequent step.
6. a kind of high-intensitive carrier material for sewage treatment according to claim 4, which is characterized in that described to mix
Material after closing uniformly, which is added in mold, to be heated are as follows: is sealed after mold is added in material after mixing, by 60-
80 DEG C of temperature heats 2-12 hours；
The washing process are as follows: pelletizing resulting material is placed in deionized water and is impregnated 7 days, the deionization of replacement in every 24 hours
Water.
7. a kind of preparation method of the high-intensitive carrier material for sewage treatment, which is characterized in that be used to prepare claim 1
To the high-intensitive carrier material for being used for sewage treatment described in 6 any one, comprising the following steps:
After mixing by hydroxyethyl methacrylate and water, crosslinking agent and catalyst is added, material after mixing is added
Enter in mold and heated, demoulded after cooling, carries out pelletizing and washing process successively to get the height arrived for sewage treatment
Intensity carrier material；
The method also includes: mixing is added together with atlapulgite and active carbon are added simultaneously with hydroxyethyl methacrylate and water
Uniformly, pore-foaming agent is added later quickly to stir evenly, then adds crosslinking agent and catalyst, carries out subsequent step；
In the method, material after mixing is added in mold and is heated are as follows: by material after mixing
It seals after mold is added, is heated 2-12 hours by 60-80 DEG C of temperature.
8. a kind of preparation method of high-intensitive carrier material for sewage treatment according to claim 7, feature exist
In,
In the method, washing process are as follows: pelletizing resulting material is placed in deionized water and is impregnated 7 days, replacement one in every 24 hours
Secondary deionized water.
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| JP4358413B2 (en) * | 2000-08-10 | 2009-11-04 | 関西ペイント株式会社 | Microorganism-immobilized carrier mixture and bioreactor using the same |
| JP2002361082A (en) * | 2001-06-08 | 2002-12-17 | Sekisui Chem Co Ltd | Hydrophobic material adsorbent |
| CN101812440B (en) * | 2010-01-22 | 2012-06-13 | 北京桑德环保集团有限公司 | Nitrifying bacteria vector for degrading ammonia nitrogen and preparation method thereof |
| CN101948823A (en) * | 2010-09-06 | 2011-01-19 | 北京桑德环境工程有限公司 | Microorganism-embedded carrier with composite nanostructure and preparation method thereof |
| CN104803487A (en) * | 2015-04-22 | 2015-07-29 | 上海纳米技术及应用国家工程研究中心有限公司 | Immobilized nitrifying bacteria capable of removing ammonia nitrogen in aquarium and preparation method of immobilized nitrifying bacteria |
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