CN104941321B - A kind of bismuthic acid aluminum nanometer rods compound bio filtrate - Google Patents
A kind of bismuthic acid aluminum nanometer rods compound bio filtrate Download PDFInfo
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- CN104941321B CN104941321B CN201510336596.7A CN201510336596A CN104941321B CN 104941321 B CN104941321 B CN 104941321B CN 201510336596 A CN201510336596 A CN 201510336596A CN 104941321 B CN104941321 B CN 104941321B
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- nanometer rods
- acid aluminum
- bismuthic acid
- compound bio
- aluminum nanometer
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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
Abstract
The invention discloses a kind of bismuthic acid aluminum nanometer rods compound bio filtrate, belong to technical field of sewage.The mass percent of this bismuthic acid aluminum nanometer rods compound bio filtrate is composed as follows: bismuthic acid aluminum nanometer rods 30-50%, polyphenyl foam 5-15%, polyvinyl alcohol 3-8%, cement 5-15%, OPEO 1-5%, water 20-35%.Compound bio filtrate provided by the invention uses the raw materials such as bismuthic acid aluminum nanometer rods to prepare glomeration granule, have that specific surface area is big, porosity is high, high adsorption capacity, sewage decoloring degradation capability are strong, be conducive to the feature such as microorganism colonization and growth of microorganism, have a good application prospect at sewage treatment area.
Description
Technical field
The invention belongs to sewage disposal biofilter material technical field, be specifically related to a kind of bismuthic acid aluminum nanometer rods compound bio filtrate.
Background technology
Along with people's pay attention to day by day to environmental conservation, industry and sanitary sewage disposal become one of important research direction.Biofilter material, as the critical material of BAF, utilizes the biological flocculation of biofilter material, it is possible to retain the float in sewage, is conducive to microorganism colonization and protection microorganism, has pivotal role in sewage disposal.
Lithotroph filtrate is the filtrate that BAF mainly uses, and has the multiple lithotroph filtrate of patent report at present.National inventing patent " fly ash biological filter and preparation method thereof " (national inventing patent number: ZL201210098204.4), with flyash, clayey gangue for primary raw material, has prepared fly ash biological filter in 900-950 DEG C of calcining.National inventing patent " a kind of Multimedia biofilter material and preparation method thereof " (national inventing patent number: ZL201210196736.1), with modified montmorillonoid, activated carbon, tourmaline for raw material, has prepared a kind of Multimedia biofilter material at 100 DEG C of calcining 2-4h, 400 DEG C of calcining 2-4h and 700 DEG C of calcining 1-2h.National inventing patent " a kind of sewage disposal forsterite biofilter material and preparation method thereof " (application for a patent for invention number: 201410319474.2) is with forsterite raw ore fine powder, Talcum fine powder, magnesium oxide powder and dravite micropowder for raw material, toast 16-24h, 1300-1500 DEG C of calcining 2-4h in 110-150 DEG C and prepare forsterite biofilter material.National inventing patent " biofilter material and preparation method thereof " (application for a patent for invention number: 201310662817.0), with magnetic iron ore, oyster shell powder, laterite, kieselguhr and flyash for raw material, has prepared biofilter material in 800-900 DEG C.But, there is preparation temperature height in current biofilter material, filter material surface can produce duricrust, is unfavorable for microbial growth, there is also the shortcomings such as sewage decoloring poor effect, specific surface area is little, porosity is low, service life is short simultaneously, affects sewage disposal and uses.
Summary of the invention
It is an object of the invention to provide bismuthic acid aluminum nanometer rods as primary raw material; introduce cement; add the compositions such as polyphenyl foam, polyvinyl alcohol and OPEO, obtain that there is the bismuthic acid aluminum nanometer rods compound bio filtrate that specific surface area is big, porosity is high, high adsorption capacity, sewage decoloring degradation capability strong, be beneficial to microorganism colonization and protect microorganism, being conducive to the features such as microbial growth.
The mass percent of bismuthic acid aluminum nanometer rods compound bio filtrate provided by the present invention is composed as follows:
Bismuthic acid aluminum nanometer rods 30-50%, polyphenyl foam 5-15%, polyvinyl alcohol 3-8%, cement 5-15%, OPEO 1-5%, water 20-35%.
The diameter of bismuthic acid aluminum nanometer rods of the present invention is that 90nm, length are 5-10 μm.
The concrete preparation method of bismuthic acid aluminum nanometer rods provided by the present invention is as follows:
Using sodium bismuthate, aluminium acetate as raw material, water is solvent, wherein sodium bismuthate is 1:1 with the mol ratio of aluminium acetate, sodium bismuthate, aluminium acetate and water Homogeneous phase mixing are placed in reaction vessel and seal, in temperature 100-200 DEG C, insulation 12-24h, wherein sodium bismuthate is not more than the 50% of water weight with the weight of aluminium acetate.
The concrete preparation method of bismuthic acid aluminum nanometer rods compound bio filtrate provided by the present invention is as follows:
First being pulverized by polyphenyl foam is the size polyphenyl foam granule lower than 1mm, then according to ratio metering weighs bismuthic acid aluminum nanometer rods, polyvinyl alcohol, polyphenyl foam granule, cement, OPEO and water.Polyvinyl alcohol is placed in water and is thermally formed poly-vinyl alcohol solution, then other raw material is added in poly-vinyl alcohol solution, mix homogeneously.Nodulizer prepares raw material ball, balling-up size 3-10mm according to balling technique.Raw material ball is put into baking oven, at 100 DEG C, insulation 2-3h, the raw material ball after drying is put in Muffle furnace in 400-600 DEG C, sintering 2-4h, natural cooling subsequently, finally obtained bismuthic acid aluminum nanometer rods compound bio filtrate.
Compared with prior art, the present invention has following technical effect that
1, the present invention is using bismuthic acid aluminum nanometer rods as primary raw material, cement as plasticizer, polyphenyl foam as pore former, polyvinyl alcohol as bonding agent, OPEO for dispersant, and calcining at a certain temperature can prepare that specific surface area is big, porosity is high, high adsorption capacity, long service life and reusable bismuthic acid aluminum nanometer rods compound bio filtrate.Wherein: bismuthic acid aluminum nanometer rods has good organic pollution Photocatalytic Degradation Property, under visible ray effect, can organic pollution in decolored degradation sewage by the photocatalysis of bismuthic acid aluminum nanometer rods.
2, bismuthic acid aluminum nanometer rods compound bio filtrate of the present invention has that specific surface area is big, porosity high, have good flocculability, flocculation and the precipitation of colloid pollution thing in sewage can be promoted, it is also possible to retain the float in sewage, the decolouring dirty removal capacities of enhanced biological filtrate.
3, the active center in bismuthic acid aluminum nanometer rods compound bio filtrate of the present invention is enriched, and porosity is high, is conducive to microorganism colonization and protection microorganism, is conducive to microbial growth, it is possible to repeatedly uses, have a good application prospect at sewage treatment area.
4, the present invention adopts bismuthic acid aluminum nanometer rods activity height, good stability, the feature such as nontoxic, harmless and pollution-free, cement, polyphenyl foam, polyvinyl alcohol and OPEO are the raw materials of batch production, it is possible to achieve the preparation of bismuthic acid aluminum nanometer rods compound bio filtrate.
Accompanying drawing explanation
Fig. 1 is the SEM image of the bismuthic acid aluminum nanometer rods compound bio filtrate of embodiment 1 preparation；
Bismuthic acid aluminum nanometer rods compound bio filtrate is made up of nanometer rods and random granule as can be seen from Fig., and containing high porosity, the diameter of nanometer rods is that 90nm, length are 5-10 μm, and inside bore dimension is 500nm-10 μm.
Detailed description of the invention
Below in conjunction with specific embodiment in detail the present invention is described in detail, but the present invention is not limited to following embodiment.
Embodiment 1
Determine that the mass percent of bismuthic acid aluminum nanometer rods compound bio filtrate is composed as follows:
Bismuthic acid aluminum nanometer rods 50%
Polyphenyl foam 5%
Polyvinyl alcohol 8%
Cement 12%
OPEO 5%
Water 20%
Embodiment 2
Determine that the mass percent of bismuthic acid aluminum nanometer rods compound bio filtrate is composed as follows:
Bismuthic acid aluminum nanometer rods 31%
Polyphenyl foam 15%
Polyvinyl alcohol 3%
Cement 15%
OPEO 1%
Water 35%
Embodiment 3
Determine that the mass percent of bismuthic acid aluminum nanometer rods compound bio filtrate is composed as follows:
Bismuthic acid aluminum nanometer rods 30%
Polyphenyl foam 15%
Polyvinyl alcohol 3%
Cement 5%
OPEO 1%
Water 35%
Embodiment 4
Determine that the mass percent of bismuthic acid aluminum nanometer rods compound bio filtrate is composed as follows:
Bismuthic acid aluminum nanometer rods 40%
Polyphenyl foam 10%
Polyvinyl alcohol 5%
Cement 10%
OPEO 3%
Water 32%
Embodiment 5
Determine that the mass percent of bismuthic acid aluminum nanometer rods compound bio filtrate is composed as follows:
Bismuthic acid aluminum nanometer rods 35%
Polyphenyl foam 14%
Polyvinyl alcohol 7%
Cement 15%
OPEO 4%
Water 25%
Embodiment 6
Determine that the mass percent of bismuthic acid aluminum nanometer rods compound bio filtrate is composed as follows:
Bismuthic acid aluminum nanometer rods 38%
Polyphenyl foam 12%
Polyvinyl alcohol 6%
Cement 11%
OPEO 3%
Water 30%
Embodiment 7
Determine that the mass percent of bismuthic acid aluminum nanometer rods compound bio filtrate is composed as follows:
Bismuthic acid aluminum nanometer rods 44%
Polyphenyl foam 8%
Polyvinyl alcohol 4%
Cement 8%
OPEO 5%
Water 31%
Embodiment 8
Determine that the mass percent of bismuthic acid aluminum nanometer rods compound bio filtrate is composed as follows:
Bismuthic acid aluminum nanometer rods 38%
Polyphenyl foam 13%
Polyvinyl alcohol 3%
Cement 13%
OPEO 4%
Water 29%
The embodiment of the present invention 1 is as shown in table 1 to the characteristic parameter of embodiment 8 gained bismuthic acid aluminum nanometer rods compound bio filtrate:
Table 1
Claims (2)
1. a bismuthic acid aluminum nanometer rods compound bio filtrate, it is characterised in that: by percentage to the quality, this biofilter material formula is as follows:
2. bismuthic acid aluminum nanometer rods compound bio filtrate as claimed in claim 1 a kind of, it is characterised in that: the diameter of described bismuthic acid aluminum nanometer rods is that 90nm, length are 5-10 μm.
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| CN201510336596.7A CN104941321B (en) | 2015-06-17 | 2015-06-17 | A kind of bismuthic acid aluminum nanometer rods compound bio filtrate |
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| CN104941321B true CN104941321B (en) | 2016-07-06 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101746882A (en) * | 2009-12-11 | 2010-06-23 | 大连工业大学 | Biological filter material by utilizing sugar mill mud and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| MX2007011388A (en) * | 2005-03-18 | 2007-11-13 | Cinv Ag | Process for the preparation of porous sintered metal materials. |
| US8974724B2 (en) * | 2006-11-29 | 2015-03-10 | Corning Incorporated | Aluminum titanate batch compositions and method |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101746882A (en) * | 2009-12-11 | 2010-06-23 | 大连工业大学 | Biological filter material by utilizing sugar mill mud and method |
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