CN102515551A - Multi-hole foam glass carrier for fast mass transfer biological fluidized bed and preparation method and application thereof - Google Patents
Multi-hole foam glass carrier for fast mass transfer biological fluidized bed and preparation method and application thereof Download PDFInfo
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- CN102515551A CN102515551A CN2011103921550A CN201110392155A CN102515551A CN 102515551 A CN102515551 A CN 102515551A CN 2011103921550 A CN2011103921550 A CN 2011103921550A CN 201110392155 A CN201110392155 A CN 201110392155A CN 102515551 A CN102515551 A CN 102515551A
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- 238000012546 transfer Methods 0.000 title claims abstract description 58
- 239000011494 foam glass Substances 0.000 title claims abstract description 51
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 18
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000011521 glass Substances 0.000 claims abstract description 17
- 239000003245 coal Substances 0.000 claims abstract description 16
- 238000001816 cooling Methods 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 13
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 12
- 238000005187 foaming Methods 0.000 claims abstract description 12
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- 239000003381 stabilizer Substances 0.000 claims abstract description 9
- 239000000843 powder Substances 0.000 claims description 29
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- 239000002893 slag Substances 0.000 claims description 18
- 229910052782 aluminium Inorganic materials 0.000 claims description 17
- 239000004411 aluminium Substances 0.000 claims description 17
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- 239000002351 wastewater Substances 0.000 claims description 14
- 239000006063 cullet Substances 0.000 claims description 13
- 238000000498 ball milling Methods 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 9
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- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 8
- ADCOVFLJGNWWNZ-UHFFFAOYSA-N antimony trioxide Chemical compound O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 claims description 8
- 239000005357 flat glass Substances 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 6
- -1 polyoxyethylene Polymers 0.000 claims description 6
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- 229940045641 monobasic sodium phosphate Drugs 0.000 claims description 5
- AJPJDKMHJJGVTQ-UHFFFAOYSA-M sodium dihydrogen phosphate Chemical compound [Na+].OP(O)([O-])=O AJPJDKMHJJGVTQ-UHFFFAOYSA-M 0.000 claims description 5
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- 235000010339 sodium tetraborate Nutrition 0.000 claims description 5
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- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 claims description 4
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- 239000011148 porous material Substances 0.000 claims description 4
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 claims description 4
- 239000001488 sodium phosphate Substances 0.000 claims description 4
- 229910000162 sodium phosphate Inorganic materials 0.000 claims description 4
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 claims description 4
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- 235000012204 lemonade/lime carbonate Nutrition 0.000 claims description 3
- GVALZJMUIHGIMD-UHFFFAOYSA-H magnesium phosphate Chemical compound [Mg+2].[Mg+2].[Mg+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O GVALZJMUIHGIMD-UHFFFAOYSA-H 0.000 claims description 3
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- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 2
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 2
- 239000011575 calcium Substances 0.000 claims description 2
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- 235000019353 potassium silicate Nutrition 0.000 claims description 2
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- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 2
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- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
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- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical group C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 1
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- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
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- Y02W10/12—
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- Biological Treatment Of Waste Water (AREA)
Abstract
The invention relates to a multi-hole foam glass carrier for a fast mass transfer biological fluidized bed and a preparation method and application thereof, which belong to sewage disposal technology. The multi-hole foam glass carrier is prepared by using waste glass as a raw material to be composited with volcanic rocks, coal ash, coal gangue, furnace clinker, iron powder, aluminum powder, binding agents, foaming agents, foam stabilizer and fluxing agents by weight, and multi-hole foam glass is obtained by stages of preheating, fast sintering, foaming, fast cooling and annealing. The preparation process of the multi-hole foam glass carrier is simple in route, easy to control and low in cost, and the prepared carrier is stable in performance, high in porosity, large in specific surface area, resisting in impact, good in mechanical performance, high in biocompatibility, favorable to efficient fixing of the microorganism, and suitable to the fast mass transfer biological fluidized bed. The multi-hole foam glass carrier solves the problem that biological immobilization carriers in the prior art are easy to abrade, small in bio-film formation amount, low in mass transfer effects and the like in the fast mass transfer biological fluidized bed. The preparation method opens up new approaches for preparing the biological carriers, and fills blank spaces in using of foam glass materials in sewage disposal.
Description
Technical field
The present invention relates to a kind of porous foam glass carrier that is used for quick mass transfer biological fluidized bed and preparation method thereof, use, belong to sewage disposal technology.The porous foam glass carrier GM-2 that density is suitable is a raw material with cullet, volcanics, slag the like waste, makes through simple technology, and with low cost, stable performance is applicable to quick mass transfer biological fluidized bed.
Background technology
Biological fluidized bed (FBR) wastewater processing technology is a kind of efficient biological process of wastewater treatment that grows up nineteen seventies; It increases the gas-liquid-solid triphasic alternate velocity contrast that flows relatively through biological fixnig and chemical industry fluidization technology are coupled; Accelerate the succession of the old by the new of interphase mass transfer and mikrobe, thereby improve biological wastewater treatment efficient greatly.Compare with other bio-reactor, biological fluidized bed is removed efficient Gao ﹑ hydraulic detention time Duan ﹑ resistance to overload shock Neng Li Qiang ﹑ floor space with it, and little (the 5%) ﹑ sludge yield that is about conventional activated sludge process is few, microorganism active advantages of higher and receive investigator's attention day by day.
Microbial immobilized be biological fluidized bed research, the gordian technique in using, promoting.General microbial fixed carrier exists a lot of deficiencies at aspects such as stability, biological activity, mass transfers, causes that the biological fluidized-bed reactor power consumption is big, start time long, operation is inconvenient.Therefore, developing suitable carriers, is very necessary for fast, effectively, stably realizing microbial immobilization, improving biochemical degradation efficient.
In fluidized-bed reactor, carrier commonly used can be divided into porous inorganic carrier, and organic porous carrier and compound porous property carrier mainly contain sand, haydite, zeolite, vermiculite, volcanics, Vestolen PP 7052, SE, engineering plastics, modified polyurethane etc.It is generally acknowledged that support shapes is the best with sphere or almost spherical; The particle diameter of carrier is between 0.2～0.8 mm; Density is suitable, and pore size distribution is reasonable, and voidage is high, and specific surface area is big; Have good hydrophilicity, biological affinity is strong; Chemicalstability, good mechanical property, low price etc.Inorganic porous property material be meant natural minerals directly or through after the modification as the carrier of biological fluidized bed, this type carrier surface rough porous, biological affinity is good; Wide material sources, price is relatively cheap, but the ubiquity carrier is than great; Characteristics such as the fluidization energy consumption is high, and porosity is low.Organic porous carrier generally is excellent propertys such as synthetic polymer support, carrier specific surface area and density, and outer carrier aperture distribution is reasonable and porosity is high, and wear resistance is good.But the wetting ability of organic porous carrier and biological affinity are relatively poor; Exist not enough at aspects such as microorganism colonization speed, extension film amount and microorganism activies; Such support density is less simultaneously, is being prone to up-flow, difficult sedimentation in the mass transfer biological fluidized bed fast; And it is poor to be difficult to form bigger alternate relative velocity, thereby greatly reduces interphase mass transfer efficient and final biochemical degradation efficient.Compound porous property carrier generally is meant porous inorganic carrier and organic porous carrier or a kind of novel carriers that organically combines with other materials wherein.This carrier has organically combined the advantage of institute's compound carrier, on physical and chemical performance and performance characteristic, all has greatly improved.
Application number is that 02129972.2 patent of invention discloses a kind of functional ceramsite carrier and fixed microorganism treating sewage technology thereof.Said carrier is main raw material with potter's clay, through batching, grinding, granulation, moulding, sintering process, and through making after the processing of 10% silicone couplet toluene solution hole surface.Its light weight, anti-flushing, load of microorganisms amount height, chemical property are stablized; But this ceramsite carrier will be through repeatedly washing and acetone displacement in the preparation process; Complex steps; The medicament such as ydrogen peroxide 50, the γ-An Bingjisanyiyangjiguiwan etc. that when hole surface is handled, use simultaneously not only can cause secondary pollution, strengthen the preparing carriers cost simultaneously, are not suitable for large-scale production.
Application number is the fluidized bed processor that 200910155860.1 patent of invention discloses a kind of dyeing waste water, and wherein the become reconciled microbial fixed carrier of oxygen flow fluidized bed reactor of anaerobic fluidized bed reactor is shell preparing active carbon particle.Though this device has improved the phenomenon that carrier runs off to a certain extent; And advantages such as characteristic, colourity and COD clearance with degrade azo dyestuff rapidly and efficiently are high, effluent quality is good, anerobes propagation is slow but its fluidized-bed is especially anaerobic fluidized bed, meanwhile; The outer polymer of anaerobic bacterium excretory born of the same parents is few; Be difficult for and the carrier adhesion, and employed active fruit shell carbon porosity is low, bioaffinity is poor, mikrobe easy to be filmed not, and bad mechanical strength, easy to wear etc. is unfavorable for that more the mikrobe cohesion hangs film; Cause anaerobic reactor long start time, limited the application of this device.
Application number is that 99804643.4 patent of invention discloses used carrier of a kind of method of wastewater treatment of removing organism and nitrogen and this method and preparation method thereof, wherein relates to two kinds of organic porous carriers.The carrier that in first aeration tank, uses is synthetic by foamed polymer (urethane, PS or Vilaterm with spongy foam structure or non-woven fibrous structure), the sticker (mixture of vinyl resin and phenylethylene/butadiene latex) that adheres on the foamed polymer attached to the powder-type gac on the foamed polymer and the powder-type gac, mainly is used for the load aerobic microbiological; The carrier that uses in second aeration tank is polyvinyl alcohol foam carrier or cellulosic fibre carrier, and this carrier is to make through following steps: 1) be molded into cellulosic fibre laminar; 2) with the foaming composition impregnated sheets shape cellulosic fibre that comprises Z 150PH, linking agent and whipping agent; 3) make step 2 through dehydration) foaming of the product that obtains; 4) soak into the product that step 3) obtains with the enhancing composition that comprises Z 150PH and linking agent; 5) product that step 4) is obtained takes out from compsn and carries out drying, mainly is used for the load nitrobacteria.Though more than big, the good endurance of two kinds of carrier specific surface areas, be beneficial to load of microorganisms.But, because belonging to organic polymer, the preparation process synthesizes, and technology is loaded down with trivial details, react strict, and cost is higher, and polymer is prone to by biological degradation simultaneously, and these have all limited its widespread use.Meanwhile; The high molecular polymer support density approaches water; The alternate velocity contrast that flows relatively in fluidized-bed up-flow district's carrier and liquid phase is little; Make that the dynamic turbulent flow property of carrier and liquid phase is relatively poor a little less than the friction of solid-liquid contact surface, be prone to cause carrier organism theca cell mass transfer concentration boundary layer trend to stablize and the restriction mass-transfer efficiency.This kind situation is distinguished more outstanding at the stream that falls of quick mass transfer biological fluidized bed; Under unpowered suitable gravity field; The alternate relative speed difference of carrier granule and liquid phase is very little, and interphase mass transfer efficient is lower, when fluidisation, is prone to cause simultaneously skewness; Influence the mikrobe mass transfer, thereby reduce the processing efficiency of fluidized-bed.Therefore the porous support of developing a kind of high porosity, high bioaffinity and higher density has very important practical sense.
Summary of the invention
The objective of the invention is to above-mentioned weak point; A kind of porous foam glass carrier that is used for quick mass transfer biological fluidized bed and preparation method thereof is provided, uses; With cullet, volcanics, slag the like waste is raw material; Through simple technology; Prepare the porous foam glass carrier GM-2 of high porosity, high bioaffinity and higher density, thereby it is violent relatively to make that carrier rubs between the up-flow district of quick mass transfer biological fluidized bed and liquid phase contact surface, has certain alternate current difference; Overweight waste water density because of support density falling stream district, be easy to sedimentation, improved the convective mass transfer performance of system greatly.
The present invention is used for porous foam glass carrier of quick mass transfer biological fluidized bed and preparation method thereof, uses is to take following technical scheme to realize:
The porous foam glass carrier that is used for quick mass transfer biological fluidized bed; It is characterized in that with the cullet being raw material; Formulated by mass percentage with volcanics, flyash, coal gangue, slag, iron powder, aluminium powder, sticker, whipping agent, suds-stabilizing agent, fusing assistant, get porous foam glass through preheating, Fast Sintering, foaming, fast cooling and annealing stage.Wherein quality of material per-cent is:
Cullet 30 ~ 50%
Volcanics 10 ~ 20%
Flyash 5 ~ 20%
Iron powder 10 ~ 20%
Sticker 0.5 ~ 2%
Whipping agent 1 ~ 5%
Suds-stabilizing agent 0.5 ~ 1.2%
Fusing assistant 0.5 ~ 1%.
The preparation method who is used for the porous foam glass carrier of quick mass transfer biological fluidized bed may further comprise the steps:
1) cullet is cleaned up, oven dry back ball milling becomes the glass powder below 200 orders;
2) 30 ~ 50% cullet powder, 10 ~ 20% volcanics, 5 ~ 20% flyash, 2 ~ 10% coal gangue, 5 ~ 10% slag, 10 ~ 20% iron powder, 5 ~ 10% aluminium powder, 0.5 ~ 2% sticker, 1 ~ 5% whipping agent, 0.5 ~ 1.2% suds-stabilizing agent and 0.5 ~ 1% fusing assistant mixture are put into ball grinder, add mould below ball milling to 200 order and foam;
3) pre-heating stage rises to 300 ~ 320 ℃ and be incubated 20 ~ 30min with the temperature rise rate of 5 ~ 8 ℃/min from room temperature; In the Fast Sintering stage, rise to 730 ~ 750 ℃ and be incubated 10 ~ 20min from 300 ~ 320 ℃ with the temperature rise rate of 15 ~ 18 ℃/min; Foaming stages rises to 850 ~ 880 ℃ and be incubated 20 ~ 30min with the temperature rise rate of 9 ~ 12 ℃/min from 730 ~ 750 ℃; In the fast cooling stage, rate of temperature fall is 12 ~ 18 ℃/min, is cooled to 600 ~ 650 ℃ of insulation 30 ~ 40min; Annealing stage, rate of temperature fall is 1 ~ 2 ℃/min, be annealed to 400 ~ 450 ℃ after fast cooling, rate of temperature fall is 12 ~ 18 ℃/min, makes the porous foam glass carrier that is used for quick mass transfer biological fluidized bed.
The addition of above material is mass percent.
Described cullet is one or more in container glass, sheet glass, the discarded laboratory glass wares in laboratory.
Described sticker is one or more in polyoxyethylene glycol-400, Z 150PH, the phosphoric acid.
Described whipping agent is one or more in silit, carbide of calcium, calcium sulfate, sodium sulfate, Manganse Dioxide, lime carbonate, Antimony Trioxide: 99.5Min, SODIUMNITRATE, carbon black, the water glass.
Described suds-stabilizing agent is one or more in zinc oxide, sodium phosphate, SODIUM PHOSPHATE, MONOBASIC, the trimagnesium phosphate.
Described fusing assistant is one or more of Sodium Silicofluoride 98min, lithionite, triphane, mullite, borax, boric acid, feldspar, calcite, Bai Shizhong.
The average pore diameter of described porous foam glass carrier is between 0.5 ~ 1mm.
The density of described porous foam glass carrier is 1.2 ~ 1.6g/cm
3
Described porous foam glass carrier is mainly used in the quick mass transfer biological fluidized bed in the field of waste water treatment, as the carrier of microorganism colonization.
Described a kind of porous foam glass carrier that is used for quick mass transfer biological fluidized bed is used for the biochemical treatment field of various wastewater, as is used for sewage, petrochemical wastewater, paper waste, coking chemical waste water biochemical treatment.
Compare with the carrier of existing document and patent report, a kind of porous foam glass carrier GM-2 that is used for quick mass transfer biological fluidized bed of the present invention has following positively effect:
(1) porous foam glass carrier average pore diameter of the present invention is between 0.5 ~ 1mm, and porosity reaches more than 80%, and hole is evenly distributed and interconnects.The high porosity carrier, promoted waste water greatly and the mikrobe that adheres between alternate touch opportunity, thereby improved the mass transfer effect of system; And flow resistance is less, and energy consumption is also relatively low.Under quick mass transfer condition, above-mentioned duct more is prone to hold back mikrobe, is beneficial to microorganic adhesion, breeding simultaneously, improves sewage treating efficiency.But the existence of a large amount of holes has reduced the unit weight of carrier; In quick mass transfer biological fluidized bed; Be prone to accumulate in the fluidized-bed reactor top, cause metabolic degradation mainly to occur in the bed upper end, and the bottom carrier be less; Cause carrier skewness in whole reactor, thereby greatly reduce the effective volume utilization ratio of biological fluidized bed.In order to overcome above-mentioned shortcoming, we add the big and aboundresources of density in the preparing carriers process, cheap slag and volcanics, and not only specific surface area is big, porosity is high, connectivity is good to make carrier, and density is suitable simultaneously, is easy to fluidisation.
(2) introduce ferro element in the porous foam glass carrier of the present invention, through after the foaming treatment, iron changes Z 250 into.Z 250 is a kind of magnetic particle, can produce Weak magentic-field.It makes carrier granule be equal to a miniature magnetic field reactor drum, utilizes mikrobe magnetic effect and metabolism or common metabolism, inducible enzyme synthetic; Improve enzyme and live, stimulate microorganism growth, shorten its growth cycle; Accelerate biomembranous the old and new and upgrade, make waste water treatment efficiency be able to obvious raising.Simultaneously, magnetic effect has the dissolving of the water of promotion mineral and makes partial organic substances be decomposed into the ability of elements such as C, N, thereby for microbial growth provides necessary nutrition, helps the breeding of adhering to of mikrobe, improves biological degradation efficient.
(3) the reaction bonded moulding process (RBAO) during the preparation of porous foam glass carrier of the present invention reference ceramic foam is fired adds aluminium powder in proportion in carrier.So-called RBAO technology promptly refers in starting raw material, add metallic aluminium powder, and green compact heat in air after the moulding, and aluminium powder generation oxidizing reaction generates aluminum oxide.This reaction is accompanied by the volumetric expansion effect, can remedy the volumetric shrinkage in the sintering process, reduces the base substrate shrinking percentage.Newborn alumina particle is tiny, has high activity, can reduce sintering temperature.In addition, because newborn fine structure makes its intensity obtain tangible improvement.Meanwhile, aluminum oxide has the ability of improving glass chemistry stability, reducing devitrification of glass tendency, raising glass machinery intensity and wear resistance.
(4) porous foam glass carrier of the present invention is to be main raw material with cullet, flyash, coal gangue, slag the like waste; It not only has sufficiently high physical strength; Can resist between flow shear and carrier function of friction each other, and raw material is easy to get, cost is lower; Whole process of preparation does not have waste discharge, belongs to the environment friendly technology.
Preparation were established of the present invention is simple, be easy to control, production cost is low; And the carrier property of preparation is stable, porosity is high, specific surface area is big, shock-resistant, good mechanical property, bioaffinity are high, be beneficial to the efficient fixing of mikrobe, is applicable to quick mass transfer biological fluidized bed.It has solved problems such as biological fixing carrier was easy to wear in quick mass transfer biological fluidized bed in the past, extension film amount is few, mass transfer effect is low.Simultaneously, this method had both been opened up new way for the preparation of bio-carrier, had also filled up the blank of using the multicellular glass material in the WWT.
Description of drawings
Fig. 1 is the synoptic diagram for the quick mass transfer biological fluidized-bed reactor of anaerobic type.
Describe the present invention below in conjunction with embodiment.Scope of the present invention is not exceeded with embodiment, but is limited the scope of claim.
Embodiment
Porous foam glass carrier GM-2 of the present invention is applicable to the quick mass transfer biological fluidized bed of all kinds of internal recycle.The quick mass transfer biological fluidized-bed reactor of anaerobic type comprises waste water tank 1, liquid feeding pump 2, mixing tank 3, reflux pump 4, three-phase fluidized bed 5.
Below in conjunction with specific embodiment the present invention is further described:
Embodiment 1:
Container glass is cleaned up, and oven dry back ball milling becomes the glass powder below 200 orders; The container glass powder of 5Kg, the volcanics of 1.68Kg, the flyash of 0.8Kg, the coal gangue of 0.2Kg, the slag of 0.5Kg, the iron powder of 1Kg, the aluminium powder of 0.5Kg, the polyoxyethylene glycol-400 of 0.1Kg, the silit of 0.1Kg, the sodium phosphate of 0.06Kg and the mullite mixture of 0.06Kg are put into ball grinder; Adding mould below ball milling to 200 order foams: pre-heating stage rises to 300 ℃ and be incubated 20min with the temperature rise rate of 5 ℃/min from room temperature; In the Fast Sintering stage, rise to 730 ℃ and be incubated 10min from 300 ℃ with the temperature rise rate of 15 ℃/min; Foaming stages rises to 850 ℃ and be incubated 20min with the temperature rise rate of 9 ℃/min from 730 ℃; In the fast cooling stage, rate of temperature fall is 12 ℃/min, is cooled to 600 ℃ of insulation 30min; Annealing stage, rate of temperature fall is 1 ℃/min, be annealed to 400 ℃ after fast cooling, rate of temperature fall is 12 ℃/min, makes the porous foam glass carrier that is used for quick mass transfer biological fluidized bed.
More than the amount of adding materials weight percent is: container glass 50%, volcanics 16.8%, flyash 8%, coal gangue 2%, slag 5%, iron powder 10%, aluminium powder 5%, polyoxyethylene glycol-400 1%, silit 1%, sodium phosphate 0.6%, mullite 0.6%.
In the quick mass transfer biological fluidized bed of anaerobism, add porous foam glass carrier GM-2 in order to handling certain petrochemical wastewater, and do comparison with the zeyssatite treatment effect, loadings 30% (V/V) wherein, residence time 3h, flow velocity are 2.15L/h, 31 ℃ of water temperatures.Former water COD 6002mg/L, TA 1790 mg/L.Experimental result is following:
Embodiment 2:
Sheet glass is cleaned up, and oven dry back ball milling becomes the glass powder below 200 orders; The sheet glass powder of 5Kg, the volcanics of 1.2Kg, the flyash of 0.87Kg, the coal gangue of 0.2Kg, the slag of 0.7Kg, the iron powder of 1.07Kg, the aluminium powder of 0.55Kg, the Z 150PH of 0.12Kg, the carbon black of 0.14Kg, the SODIUM PHOSPHATE, MONOBASIC of 0.07Kg and the borax mixture of 0.08Kg are put into ball grinder; Adding mould below ball milling to 200 order foams: pre-heating stage rises to 300 ℃ and be incubated 25min with the temperature rise rate of 6 ℃/min from room temperature; In the Fast Sintering stage, rise to 730 ℃ and be incubated 15min from 300 ℃ with the temperature rise rate of 15 ℃/min; Foaming stages rises to 860 ℃ and be incubated 25min with the temperature rise rate of 10 ℃/min from 730 ℃; In the fast cooling stage, rate of temperature fall is 14 ℃/min, is cooled to 615 ℃ of insulation 35min; Annealing stage, rate of temperature fall is 1 ℃/min, be annealed to 410 ℃ after, fast cooling, rate of temperature fall is 18 ℃/min, makes the porous foam glass carrier that is used for quick mass transfer biological fluidized bed.
More than the amount of adding materials weight percent is: sheet glass 50%, volcanics 12%, flyash 8.7%, coal gangue 2%, slag 7%, iron powder 10.7%, aluminium powder 5.5%, Z 150PH 1.2%, carbon black 1.4%, SODIUM PHOSPHATE, MONOBASIC 0.7%, borax 0.8%.
In aerobic quick mass transfer biological fluidized bed, add porous foam glass carrier GM-2 in order to handle certain municipal sewage plant's waste water, loadings 35% (V/V), residence time 1.5h, flow velocity 4.3L/h, DO value 3.4mg/L, 28 ℃ of water temperatures.Former water COD is 480 mg/L, NH
3-N is 57mg/L.Experimental result is following:
| Former water COD (mg/L) | Water outlet COD (mg/L) | The COD clearance | Former water NH 3-N（mg/L） | Water outlet NH 3-N（mg/L） | NH 3-N clearance |
| 480 | 12 | 97.5% | 57 | 1.1 | 98.1% |
Embodiment 3:
The discarded laboratory glass wares in laboratory are cleaned up, and oven dry back ball milling becomes the glass powder below 200 orders; The discarded laboratory glass wares glass powder in the laboratory of 3Kg, the volcanics of 1.5Kg, the flyash of 1.6Kg, the coal gangue of 0.8Kg, the slag of 0.65Kg, the iron powder of 1.45Kg, the aluminium powder of 0.65Kg, the Z 150PH of 0.1Kg, the carbon black of 0.1Kg, the SODIUM PHOSPHATE, MONOBASIC of 0.08Kg and the borax mixture of 0.07Kg are put into ball grinder; Adding mould below ball milling to 200 order foams: pre-heating stage rises to 310 ℃ and be incubated 25min with the temperature rise rate of 7 ℃/min from room temperature; In the Fast Sintering stage, rise to 740 ℃ and be incubated 15min from 310 ℃ with the temperature rise rate of 16 ℃/min; Foaming stages rises to 870 ℃ and be incubated 23min with the temperature rise rate of 11 ℃/min from 740 ℃; In the fast cooling stage, rate of temperature fall is 15 ℃/min, is cooled to 620 ℃ of insulation 37min; Annealing stage, rate of temperature fall is 2 ℃/min, be annealed to 420 ℃ after, rate of temperature fall is 16 ℃/min, fast cooling makes the porous foam glass carrier that is used for quick mass transfer biological fluidized bed.
More than the amount of adding materials weight percent is: laboratory glass wares 30%, volcanics 15%, flyash 16%, coal gangue 8%, slag 6.5%, iron powder 14.5%, aluminium powder 6.5%, phosphatase 11 %, lime carbonate 1%, trimagnesium phosphate 0.8%, boric acid 0.7% are discarded in the laboratory.
In the quick mass transfer biological fluidized bed of anoxic, add porous foam glass carrier GM-2 in order to handling certain printing and dyeing mill's waste water, loadings 30% (V/V), the residence time is 2.2h, and flow velocity is 2.93 L/h, and water temperature is 32 ℃.Former water COD is 1537 mg/L, and colourity is 300 times.Experimental result is following:
| Former water COD (mg/L) | Water outlet COD (mg/L) | The COD clearance | Former colority of water | Effluent color dilution |
| 1537 | 351 | 77.2% | 300 | 36 |
Embodiment 4:
Sheet glass is cleaned up, and oven dry back ball milling becomes the glass powder below 200 orders; The sheet glass powder of 3.8Kg, the volcanics of 1.4Kg, the flyash of 1.36Kg, the coal gangue of 0.75Kg, the slag of 0.7Kg, the iron powder of 0.8Kg, the aluminium powder of 0.6Kg, the phosphoric acid of 0.05Kg, the Antimony Trioxide: 99.5Min of 0.4Kg, the zinc oxide of 0.05Kg and the feldspar mixture of 0.09Kg are put into ball grinder; Adding mould below ball milling to 200 order foams: pre-heating stage rises to 320 ℃ and be incubated 30min with the temperature rise rate of 8 ℃/min from room temperature; In the Fast Sintering stage, rise to 750 ℃ and be incubated 20min from 320 ℃ with the temperature rise rate of 18 ℃/min; Foaming stages rises to 880 ℃ and be incubated 30min with the temperature rise rate of 12 ℃/min from 750 ℃; In the fast cooling stage, rate of temperature fall is 18 ℃/min, is cooled to 650 ℃ of insulation 40min; Annealing stage, rate of temperature fall is 2 ℃/min, be annealed to 450 ℃ after fast cooling, rate of temperature fall is 18 ℃/min, makes the porous foam glass carrier that is used for quick mass transfer biological fluidized bed.
More than the amount of adding materials weight percent is: sheet glass 38%, volcanics 14%, flyash 13.6%, coal gangue 7.5%, slag 7%, iron powder 8%, aluminium powder 6%, phosphoric acid 0.5%, Antimony Trioxide: 99.5Min 4%, zinc oxide 0.5%, feldspar 0.9%.
In the quick mass transfer biological fluidized bed of A/O internal recycle, add porous foam glass carrier GM-2 in order to handle certain coking chemical waste water, loadings 35% (V/V), residence time 2.7h, flow velocity 2.39 L/h.25 ℃ of water temperatures.Former water COD is 2706 mg/L, NH
3-N is 342mg/L.Experimental result is following:
| Former water COD (mg/L) | Water outlet COD (mg/L) | The COD clearance | Former water NH 3-N（mg/L） | Water outlet NH 3-N（mg/L） | NH 3-N clearance |
| 2706 | 179 | 93.4% | 342 | 10 | 97.1% |
Compared with prior art, the porous foam glass carrier raw materials for production that are used for quick mass transfer biological fluidized bed of the present invention are easy to get, technology is succinct, cost is lower.The porous foam glass carrier GM-2 high porosity of gained; High bioaffinity, density is suitable, and the duct connectivity is good; Physical strength is high; Fast being prone to fluidisation, easy to be filmed in the mass transfer biological fluidized bed, being evenly distributed, shortening greatly fluidized-bed start time, improve and hang membrane efficiency, and be applicable to the biochemical treatment field of various wastewater such as sewage, petrochemical wastewater, paper waste, coking chemical waste water.
Claims (10)
1. porous foam glass carrier that is used for quick mass transfer biological fluidized bed; It is characterized in that with the cullet being raw material; Formulated by mass percentage with volcanics, flyash, coal gangue, slag, iron powder, aluminium powder, sticker, whipping agent, suds-stabilizing agent, fusing assistant, get porous foam glass through preheating, Fast Sintering, foaming, fast cooling and annealing stage;
Wherein quality of material per-cent is:
Cullet 30 ~ 50%
Volcanics 10 ~ 20%
Flyash 5 ~ 20%
Coal gangue 2 ~ 10%
Slag 5 ~ 10%
Iron powder 10 ~ 20%
Aluminium powder 5 ~ 10%
Sticker 0.5 ~ 2%
Whipping agent 1 ~ 5%
Suds-stabilizing agent 0.5 ~ 1.2%
Fusing assistant 0.5 ~ 1%.
2. a kind of porous foam glass carrier that is used for quick mass transfer biological fluidized bed according to claim 1 is characterized in that described cullet is one or more in container glass, sheet glass, the discarded laboratory glass wares in laboratory.
3. a kind of porous foam glass carrier that is used for quick mass transfer biological fluidized bed according to claim 1 is characterized in that described sticker is one or more in polyoxyethylene glycol-400, Z 150PH, the phosphoric acid.
4. a kind of porous foam glass carrier that is used for quick mass transfer biological fluidized bed according to claim 1 is characterized in that described whipping agent is one or more in silit, carbide of calcium, calcium sulfate, sodium sulfate, Manganse Dioxide, lime carbonate, Antimony Trioxide: 99.5Min, SODIUMNITRATE, carbon black, the water glass.
5. a kind of porous foam glass carrier that is used for quick mass transfer biological fluidized bed according to claim 1 is characterized in that described suds-stabilizing agent is one or more in zinc oxide, sodium phosphate, SODIUM PHOSPHATE, MONOBASIC, the trimagnesium phosphate.
6. a kind of porous foam glass carrier that is used for quick mass transfer biological fluidized bed according to claim 1 is characterized in that described fusing assistant is one or more of Sodium Silicofluoride 98min, lithionite, triphane, mullite, borax, boric acid, feldspar, calcite, Bai Shizhong.
7. the described preparation method who is used for the porous foam glass carrier of quick mass transfer biological fluidized bed of claim 1 is characterized in that concrete preparation method is following:
1) cullet is cleaned up, oven dry back ball milling becomes the glass powder below 200 orders;
2) 30 ~ 50% cullet powder, 10 ~ 20% volcanics, 5 ~ 20% flyash, 2 ~ 10% coal gangue, 5 ~ 10% slag, 10 ~ 20% iron powder, 5 ~ 10% aluminium powder, 0.5 ~ 2% sticker, 1 ~ 5% whipping agent, 0.5 ~ 1.2% suds-stabilizing agent and 0.5 ~ 1% fusing assistant mixture are put into ball grinder, add mould below ball milling to 200 order and foam;
3) pre-heating stage rises to 300 ~ 320 ℃ and be incubated 20 ~ 30min with the temperature rise rate of 5 ~ 8 ℃/min from room temperature; In the Fast Sintering stage, rise to 730 ~ 750 ℃ and be incubated 10 ~ 20min from 300 ~ 320 ℃ with the temperature rise rate of 15 ~ 18 ℃/min; Foaming stages rises to 850 ~ 880 ℃ and be incubated 20 ~ 30min with the temperature rise rate of 9 ~ 12 ℃/min from 730 ~ 750 ℃; In the fast cooling stage, rate of temperature fall is 12 ~ 18 ℃/min, is cooled to 600 ~ 650 ℃ of insulation 30 ~ 40min; Annealing stage, rate of temperature fall is 1 ~ 2 ℃/min, be annealed to 400 ~ 450 ℃ after fast cooling, rate of temperature fall is 12 ~ 18 ℃/min, makes the porous foam glass carrier that is used for quick mass transfer biological fluidized bed;
The addition of above material is mass percent.
8. the preparation method who is used for the porous foam glass carrier of quick mass transfer biological fluidized bed according to claim 7, the average pore diameter that it is characterized in that the porous foam glass carrier is at 0.5 ~ 1mm: the density of described porous foam glass carrier is 1.2 ~ 1.6g/cm
3
9. the described porous foam glass carrier that is used for quick mass transfer biological fluidized bed of claim 1 is used for the quick mass transfer biological fluidized bed in the field of waste water treatment, as the carrier of microorganism colonization.
10. the described porous foam glass carrier that is used for quick mass transfer biological fluidized bed of claim 1 is used for the biochemical treatment field of various wastewater, as is used for sewage, petrochemical wastewater, paper waste, coking chemical waste water biochemical treatment.
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| US20210061714A1 (en) * | 2019-08-26 | 2021-03-04 | University Of Wyoming | Building materials and components and methods of making the same |
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| CN111410430B (en) * | 2020-03-26 | 2022-11-11 | 安徽汇昌新材料有限公司 | Preparation method of foam glass for chimney desulfurization |
| CN112569946A (en) * | 2020-12-28 | 2021-03-30 | 广西柳钢环保股份有限公司 | Ozone catalyst for organic wastewater treatment and preparation method thereof |
| CN115594323A (en) * | 2021-07-12 | 2023-01-13 | 环新生物工程有限公司（Tw） | Organic wastewater treatment equipment and method |
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