CN104773817B - A kind of preparation method of modification biological filler - Google Patents
A kind of preparation method of modification biological filler Download PDFInfo
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- CN104773817B CN104773817B CN201510155200.9A CN201510155200A CN104773817B CN 104773817 B CN104773817 B CN 104773817B CN 201510155200 A CN201510155200 A CN 201510155200A CN 104773817 B CN104773817 B CN 104773817B
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- 238000012986 modification Methods 0.000 title claims abstract description 25
- 230000004048 modification Effects 0.000 title claims abstract description 25
- 238000002360 preparation method Methods 0.000 title claims abstract description 25
- 239000000945 filler Substances 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- JSKIRARMQDRGJZ-UHFFFAOYSA-N dimagnesium dioxido-bis[(1-oxido-3-oxo-2,4,6,8,9-pentaoxa-1,3-disila-5,7-dialuminabicyclo[3.3.1]nonan-7-yl)oxy]silane Chemical class [Mg++].[Mg++].[O-][Si]([O-])(O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2)O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2 JSKIRARMQDRGJZ-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000007788 liquid Substances 0.000 claims abstract description 26
- 241000894006 Bacteria Species 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 7
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 claims abstract description 6
- 235000010413 sodium alginate Nutrition 0.000 claims abstract description 6
- 239000000661 sodium alginate Substances 0.000 claims abstract description 6
- 229940005550 sodium alginate Drugs 0.000 claims abstract description 6
- ONDPHDOFVYQSGI-UHFFFAOYSA-N zinc nitrate Chemical compound [Zn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ONDPHDOFVYQSGI-UHFFFAOYSA-N 0.000 claims description 30
- QDZRBIRIPNZRSG-UHFFFAOYSA-N titanium nitrate Chemical compound [O-][N+](=O)O[Ti](O[N+]([O-])=O)(O[N+]([O-])=O)O[N+]([O-])=O QDZRBIRIPNZRSG-UHFFFAOYSA-N 0.000 claims description 26
- 239000010936 titanium Substances 0.000 claims description 19
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 claims description 16
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims description 15
- 238000003756 stirring Methods 0.000 claims description 15
- 229910052878 cordierite Inorganic materials 0.000 claims description 12
- 239000007787 solid Substances 0.000 claims description 12
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 10
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 10
- 239000000843 powder Substances 0.000 claims description 10
- 238000010792 warming Methods 0.000 claims description 10
- CCJAYIGMMRQRAO-UHFFFAOYSA-N 2-[4-[(2-hydroxyphenyl)methylideneamino]butyliminomethyl]phenol Chemical compound OC1=CC=CC=C1C=NCCCCN=CC1=CC=CC=C1O CCJAYIGMMRQRAO-UHFFFAOYSA-N 0.000 claims description 8
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims description 8
- 229910001629 magnesium chloride Inorganic materials 0.000 claims description 8
- 239000008367 deionised water Substances 0.000 claims description 7
- 229910021641 deionized water Inorganic materials 0.000 claims description 7
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 claims description 5
- 239000012153 distilled water Substances 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 5
- 239000008187 granular material Substances 0.000 claims description 5
- 229910052719 titanium Inorganic materials 0.000 claims description 5
- 239000011701 zinc Substances 0.000 claims description 5
- 229910052725 zinc Inorganic materials 0.000 claims description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims 1
- 239000003292 glue Substances 0.000 claims 1
- 229910052710 silicon Inorganic materials 0.000 claims 1
- 239000010703 silicon Substances 0.000 claims 1
- 244000005700 microbiome Species 0.000 abstract description 14
- 150000001335 aliphatic alkanes Chemical class 0.000 abstract description 5
- 238000012856 packing Methods 0.000 abstract description 5
- 125000005575 polycyclic aromatic hydrocarbon group Chemical group 0.000 abstract description 5
- 238000001179 sorption measurement Methods 0.000 abstract 1
- 239000000725 suspension Substances 0.000 description 10
- 241000006381 Bacillus flexus Species 0.000 description 8
- 241000589597 Paracoccus denitrificans Species 0.000 description 8
- 241000193830 Bacillus <bacterium> Species 0.000 description 6
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 4
- 239000001963 growth medium Substances 0.000 description 4
- 229910017604 nitric acid Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 241000193755 Bacillus cereus Species 0.000 description 2
- 239000001888 Peptone Substances 0.000 description 2
- 108010080698 Peptones Proteins 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000006071 cream Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000000395 magnesium oxide Substances 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 2
- 239000002609 medium Substances 0.000 description 2
- 235000019319 peptone Nutrition 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000002079 cooperative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 230000002906 microbiologic effect Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000002423 protozoacide Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- 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
Abstract
The invention discloses the preparation method of a kind of modified cordierite biologic packing material, comprise the steps: 1, configure modification liquid；2, the preparation of modified cordierite；3, the preparation of Ti/Zn ZSM 5；4, filling carrier is prepared；5, by mixed bacteria liquid uniform application on the filling carrier surface that step 4 obtains, repaste and smear the sodium alginate soln that mass percent is 0.5%, by clean water after placing about 24 hours, be dried 20 hours at 40 DEG C, obtain modification biological filler.The modification biological filler utilizing this method to obtain has more preferable biofilm, can decompose long chain alkane and polycyclic aromatic hydrocarbon by active adsorption, does not interferes with the normal growth of microorganism.
Description
Technical field
The present invention relates to the preparation method of a kind of modification biological filler, belong to field of environment protection.
Background technology
Along with quickly increasing and industrialized propelling of the size of population, the pollution level of water body is day by day serious, and occurs
Organic difficult decomposed substance and tradition ammonia nitrogen, the novel pollution type of the compound pollution of COD, traditional wastewater processing method is to this type of
The treatment effect of sewage is the best.Utilizing microorganism to process polluted-water is a research of current water treatment field
Focus direction, be also a kind of green high-efficient, the process means of non-secondary pollution.Wherein biomembrance process is in filling surface biofilm
By the micropopulation on biomembrane, the pollutant in sewage are degraded.
The biologic packing material used at present the most in various degree there is defect.Present immobilized microorganism material is universal
Existence and stability is poor, the feature of microorganism colonization poor performance, mechanical property difference.Due to drainage flow and the fluctuation of water quality,
The microorganism added is easy to run off, or is preyed on by protozoacide, it is difficult to keep stablizing lasting removal effect.Fixed fill out
Specific surface area is little, biofilm biomass is few for material, and smooth surface, and biomembrane is easy to fall off.The microbial method removal to difficult decomposing organic matter
Poor effect.
Summary of the invention
The problem existed for above-mentioned prior art, the present invention provides the preparation method of a kind of modification biological filler, the party
Method comprises the steps:
(1), preparation modification liquid (in parts by weight):
N hydroxymethyl acrylamide 50-70
Triethanolamine 60-90
Polyvinyl alcohol 10-16
Acrylic acid methyl ester. 6-8
MgCl2 10-15
Water 100-150；
(2), the preparation of modified cordierite: taking the modification liquid of 500g part step (1), then adding 150g granularity is 500 mesh
Cordierite, continuously stirred 30 minutes, after cordierite scatter, be warming up to 70 DEG C, stir 1-3h at such a temperature, filter
To solid matter be washed with deionized 3 times after be dried, dried pressed powder is placed in Muffle furnace in air atmosphere
350 DEG C of roastings 3 hours, obtain modified cordierite；
(3), the preparation of Ti/Zn-ZSM-5: take Titanium Nitrate and zinc nitrate is dissolved in the deionized water of 250ml, wherein nitric acid
The gross weight of titanium and zinc nitrate is 1.625g, standby after stirring and dissolving；ZSM-5 is dispersed in aqueous ammonium nitrate solution, at 100 DEG C
Keep 5 hours, be dried after filtration, dried powder 15g is added in the solution of above-mentioned Titanium Nitrate and zinc nitrate, be then warming up to 80
DEG C, constant temperature stirs 20 hours, filters and dry solids, obtains the modified ZSM-5 of Ti and Zn；
(4), take Ti/Zn-ZSM-5 and modified cordierite that mass ratio is 3:1, add in agitator, then add appropriate
Ludox and distilled water, pull an oar, filter after be dried, after 350 DEG C of roasting 0.5h, broken sieve, take the granule conduct of 50-100 mesh
Filling carrier finished product；
(5), by mixed bacteria liquid uniform application on the filling carrier surface that step (4) obtains, repaste and smear mass percent
It is the sodium alginate soln of 0.5%, by clean water after placing about 2-4 hour, is dried 20 hours at 40 DEG C, obtain modified raw
Thing filler.
In step (5), the preparation method of mixed bacteria liquid is as follows:
Culture medium is utilized to filter out Paracoccus denitrificans, Bacillus flexus and cereuisiae fermentum and wax from water body or mud
Shape bacillus cereus；
Paracoccus denitrificans, Bacillus flexus, cereuisiae fermentum and Bacillus cercus are respectively connected to Carnis Bovis seu Bubali cream albumen
Peptone fluid medium, after 36 DEG C are cultivated 24h, centrifugal 10min under the rotating speed of 5000rpm, by raw for the solid sediment obtained
Resuspended 3 times of reason saline, obtains four kinds of bacteria suspensions；
By the bacteria suspension of Paracoccus denitrificans, the bacteria suspension of Bacillus flexus, the bacteria suspension of cereuisiae fermentum and wax-like bud
The bacteria suspension of spore bacillus is mixed to get microorganism species by the volume ratio of 1: 1: 1: 2, accesses in culture medium and obtains connecing bacterium amount 8%
Plastc ring；
Plastc ring by the Paracoccus denitrificans obtained, cereuisiae fermentum, Bacillus flexus and Bacillus cercus
Putting in container, the pH value being diluted to mixed liquor with deionized water is neutrality, adds polyvinyl alcohol and forms mixed bacteria liquid.
Preparation modification liquid (in parts by weight) in step (1):
N hydroxymethyl acrylamide 60
Triethanolamine 75
Polyvinyl alcohol 13
Acrylic acid methyl ester. 7
MgCl2 13
Water 125.
It is an advantage of the current invention that:
(1) N hydroxymethyl acrylamide in modification liquid, triethanolamine, polyvinyl alcohol, acrylic acid methyl ester., MgCl2Occur
Cooperative effect, the inventive cordierite liquid that is modified is modified, improves the degree of roughness on surface, further increases filler
Specific surface area and the bond area of microorganism so that it is there is excellent microorganism colonization performance；
(2) the modified cordierite carrier of the liquid that is modified has the absorption of higher long chain alkane and polycyclic aromatic hydrocarbon yield and divides
Solution ability；
(3) modified cordierite filling carrier mechanical property is obviously improved；
(4) present invention use cordierite simple as low raw-material cost, rich reserves, and production technology, with micro-
Biological compound tense, does not interferes with the normal growth of microorganism, substantially without microorganism brings murder by poisoning reaction, avoids simultaneously yet
Water body is caused secondary pollution.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described.
First preparing mixed bacteria liquid, concrete grammar is as follows:
Culture medium is utilized to filter out Paracoccus denitrificans, Bacillus flexus and cereuisiae fermentum and wax from water body or mud
Shape bacillus cereus；
Paracoccus denitrificans, Bacillus flexus, cereuisiae fermentum and Bacillus cercus are respectively connected to Carnis Bovis seu Bubali cream albumen
Peptone fluid medium, after 36 DEG C are cultivated 24h, centrifugal 10min under the rotating speed of 5000rpm, by raw for the solid sediment obtained
Resuspended 3 times of reason saline, obtains four kinds of bacteria suspensions；
By the bacteria suspension of Paracoccus denitrificans, the bacteria suspension of Bacillus flexus, the bacteria suspension of cereuisiae fermentum and wax-like bud
The bacteria suspension of spore bacillus is mixed to get microorganism species by the volume ratio of 1: 1: 1: 2, accesses in culture medium and obtains connecing bacterium amount 8%
Plastc ring；
Plastc ring by the Paracoccus denitrificans obtained, cereuisiae fermentum, Bacillus flexus and Bacillus cercus
Putting in container, the pH value being diluted to mixed liquor with deionized water is neutrality, adds polyvinyl alcohol and forms mixed bacteria liquid.
Embodiment 1
(1), preparation modification liquid (in parts by weight):
N hydroxymethyl acrylamide 50
Triethanolamine 60
Polyvinyl alcohol 10
Acrylic acid methyl ester. 6
MgCl2 10
Water 100；
(2), the preparation of modified cordierite: taking the modification liquid of 500g part step (1), then adding 150g granularity is 500 mesh
Cordierite, continuously stirred 30 minutes, after cordierite scatter, be warming up to 70 DEG C, stir 1h at such a temperature, be filtrated to get
Solid matter be washed with deionized 3 times after be dried, dried pressed powder is placed in Muffle furnace in air atmosphere 350
DEG C roasting 3 hours, obtains modified cordierite；
(3), the preparation of Ti/Zn-ZSM-5: take Titanium Nitrate and zinc nitrate is dissolved in the deionized water of 250ml, wherein nitric acid
The gross weight of titanium and zinc nitrate is 1.625g, standby after stirring and dissolving；ZSM-5 is dispersed in aqueous ammonium nitrate solution, at 100 DEG C
Keep 5 hours, be dried after filtration, dried powder 15g is added in the solution of above-mentioned Titanium Nitrate and zinc nitrate, be then warming up to 80
DEG C, constant temperature stirs 20 hours, filters and dry solids, obtains the modified ZSM-5 of Ti and Zn；
(4), take Ti/Zn-ZSM-5 and modified cordierite that mass ratio is 3:1, add in agitator, then add appropriate
Ludox and distilled water, pull an oar, filter after be dried, after 350 DEG C of roasting 0.5h, broken sieve, take the granule conduct of 50-100 mesh
Filling carrier finished product；
(5), by mixed bacteria liquid uniform application on the filling carrier surface that step (4) obtains, repaste and smear mass percent
It is the sodium alginate soln of 0.5%, by clean water after placing about 2 hours, is dried 20 hours at 40 DEG C, obtains modification biological
Filler.
The modified interface shear strength of this biologic packing material improves 40%, and microorganism colonization amount improves 32%, how long alkane
The clearance of hydrocarbon reaches 98%, and the clearance of polycyclic aromatic hydrocarbon is reached 99%.
Embodiment 2
(1), preparation modification liquid (in parts by weight):
N hydroxymethyl acrylamide 60
Triethanolamine 75
Polyvinyl alcohol 13
Acrylic acid methyl ester. 7
MgCl2 13
Water 125；
(2), the preparation of modified cordierite: taking the modification liquid of 500g part step (1), then adding 150g granularity is 500 mesh
Cordierite, continuously stirred 30 minutes, after cordierite scatter, be warming up to 70 DEG C, stir 2h at such a temperature, be filtrated to get
Solid matter be washed with deionized 3 times after be dried, dried pressed powder is placed in Muffle furnace in air atmosphere 350
DEG C roasting 3 hours, obtains modified cordierite；
(3), the preparation of Ti/Zn-ZSM-5: take Titanium Nitrate and zinc nitrate is dissolved in the deionized water of 250ml, wherein nitric acid
The gross weight of titanium and zinc nitrate is 1.625g, standby after stirring and dissolving；ZSM-5 is dispersed in aqueous ammonium nitrate solution, at 100 DEG C
Keep 5 hours, be dried after filtration, dried powder 15g is added in the solution of above-mentioned Titanium Nitrate and zinc nitrate, be then warming up to 80
DEG C, constant temperature stirs 20 hours, filters and dry solids, obtains the modified ZSM-5 of Ti and Zn；
(4), take Ti/Zn-ZSM-5 and modified cordierite that mass ratio is 3:1, add in agitator, then add appropriate
Ludox and distilled water, pull an oar, filter after be dried, after 350 DEG C of roasting 0.5h, broken sieve, take the granule conduct of 50-100 mesh
Filling carrier finished product；
(5), by mixed bacteria liquid uniform application on the filling carrier surface that step (4) obtains, repaste and smear mass percent
It is the sodium alginate soln of 0.5%, by clean water after placing about 3 hours, is dried 20 hours at 40 DEG C, obtains modification biological
Filler.
This biologic packing material magnesium oxide modified rear interface shear strength improves 52%, and microorganism colonization amount improves 42%, many
The clearance of long chain alkane reaches 99%, and the clearance of polycyclic aromatic hydrocarbon is reached 99%.
Embodiment 3
(1), preparation modification liquid (in parts by weight):
N hydroxymethyl acrylamide 70
Triethanolamine 90
Polyvinyl alcohol 16
Acrylic acid methyl ester. 8
MgCl2 15
Water 150；
(2), the preparation of modified cordierite: taking the modification liquid of 500g part step (1), then adding 150g granularity is 500 mesh
Cordierite, continuously stirred 30 minutes, after cordierite scatter, be warming up to 70 DEG C, stir 3h at such a temperature, be filtrated to get
Solid matter be washed with deionized 3 times after be dried, dried pressed powder is placed in Muffle furnace in air atmosphere 350
DEG C roasting 3 hours, obtains modified cordierite；
(3), the preparation of Ti/Zn-ZSM-5: take Titanium Nitrate and zinc nitrate is dissolved in the deionized water of 250ml, wherein nitric acid
The gross weight of titanium and zinc nitrate is 1.625g, standby after stirring and dissolving；ZSM-5 is dispersed in aqueous ammonium nitrate solution, at 100 DEG C
Keep 5 hours, be dried after filtration, dried powder 15g is added in the solution of above-mentioned Titanium Nitrate and zinc nitrate, be then warming up to 80
DEG C, constant temperature stirs 20 hours, filters and dry solids, obtains the modified ZSM-5 of Ti and Zn；
(4), take Ti/Zn-ZSM-5 and modified cordierite that mass ratio is 3:1, add in agitator, then add appropriate
Ludox and distilled water, pull an oar, filter after be dried, after 350 DEG C of roasting 0.5h, broken sieve, take the granule conduct of 50-100 mesh
Filling carrier finished product；
(5), by mixed bacteria liquid uniform application on the filling carrier surface that step (4) obtains, repaste and smear mass percent
It is the sodium alginate soln of 0.5%, by clean water after placing about 4 hours, is dried 20 hours at 40 DEG C, obtains modification biological
Filler.
This biologic packing material magnesium oxide modified rear interface shear strength improves 61%, and microorganism colonization amount improves 52%, many
The clearance of long chain alkane reaches 99%, and the clearance of polycyclic aromatic hydrocarbon is reached 99.5%.
Claims (2)
1. the preparation method of a modification biological filler, it is characterised in that the method comprises the steps:
(1), following component in parts by weight prepares modification liquid:
N hydroxymethyl acrylamide 50-70
Triethanolamine 60-90
Polyvinyl alcohol 10-16
Acrylic acid methyl ester. 6-8
MgCl2 10-15
Water 100-150；
(2), the preparation of modified cordierite: take the modification liquid of 500g part step (1), then add the violet that 150g granularity is 500 mesh
Cordierite, continuously stirred 30 minutes, after cordierite scatter, is warming up to 70 DEG C, stirs 1-3h at such a temperature, be filtrated to get
Solid matter is dried after being washed with deionized 3 times, and dried pressed powder is placed in Muffle furnace in air atmosphere 350 DEG C
Roasting 3 hours, obtains modified cordierite；
(3), the preparation of Ti/Zn-ZSM-5: take Titanium Nitrate and zinc nitrate be dissolved in the deionized water of 250ml, wherein Titanium Nitrate and
The gross weight of zinc nitrate is 1.625g, standby after stirring and dissolving；ZSM-5 is dispersed in aqueous ammonium nitrate solution, keeps at 100 DEG C
5 hours, it is dried after filtration, dried powder 15g is added in the solution of above-mentioned Titanium Nitrate and zinc nitrate, be then warming up to 80 DEG C,
Constant temperature stirs 20 hours, filters and dry solids, obtains the modified ZSM-5 of Ti and Zn；
(4), take Ti/Zn-ZSM-5 and modified cordierite that mass ratio is 3:1, add in agitator, then add proper amount of silicon molten
Glue and distilled water, pull an oar, filter after be dried, after 350 DEG C of roasting 0.5h, broken sieve, take the granule of 50-100 mesh as filler
Carrier；
(5), by mixed bacteria liquid uniform application on the filling carrier surface that step (4) obtains, repaste and smear mass percent and be
The sodium alginate soln of 0.5%, by clean water after placing 2-4 hour, is dried 20 hours at 40 DEG C, obtains modification biological and fill out
Material.
2. preparation method as claimed in claim 1, it is characterised in that in step (1), following component in parts by weight is joined
Modification liquid processed:
N hydroxymethyl acrylamide 60
Triethanolamine 75
Polyvinyl alcohol 13
Acrylic acid methyl ester. 7
MgCl2 13
Water 125.
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| Application Number | Priority Date | Filing Date | Title |
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| CN106976973B (en) * | 2017-05-02 | 2020-08-14 | 福瑞莱环保科技（深圳）股份有限公司 | Sewage denitrification method, sewage denitrification agent and preparation method thereof |
| CN109354964A (en) * | 2018-10-17 | 2019-02-19 | 合肥隆扬环保科技有限公司 | A kind of composite building thermal insulation coatings and preparation method thereof |
| CN111570491B (en) * | 2020-05-14 | 2020-12-01 | 生态环境部环境规划院 | Preparation method of modified red mud composite polymer gel Cr (VI) removing filler |
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| CN1587108A (en) * | 2004-09-23 | 2005-03-02 | 上海交通大学 | Sewage deep treatment filler with physiochemical adsorption and biological film property |
| CN102626606A (en) * | 2011-12-27 | 2012-08-08 | 北京大学 | Modified zeolite filling material BMZ-1 and its preparation method and application |
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