CN103482754B - A kind of preparation method of Shell ceramsite biological carrier - Google Patents
A kind of preparation method of Shell ceramsite biological carrier Download PDFInfo
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- CN103482754B CN103482754B CN201310384637.0A CN201310384637A CN103482754B CN 103482754 B CN103482754 B CN 103482754B CN 201310384637 A CN201310384637 A CN 201310384637A CN 103482754 B CN103482754 B CN 103482754B
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- temperature agglomerant
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- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- 239000000843 powder Substances 0.000 claims abstract description 35
- 239000004927 clay Substances 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000011324 bead Substances 0.000 claims abstract description 10
- 238000001816 cooling Methods 0.000 claims abstract description 10
- 238000007605 air drying Methods 0.000 claims abstract description 5
- 238000001354 calcination Methods 0.000 claims abstract description 5
- 239000002994 raw material Substances 0.000 claims abstract description 5
- 239000002245 particle Substances 0.000 claims description 11
- 241000237502 Ostreidae Species 0.000 claims description 9
- 235000020636 oyster Nutrition 0.000 claims description 9
- 235000019353 potassium silicate Nutrition 0.000 claims description 5
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical group [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 5
- 241000237509 Patinopecten sp. Species 0.000 claims description 4
- 235000020639 clam Nutrition 0.000 claims description 4
- 235000020637 scallop Nutrition 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 16
- 238000005245 sintering Methods 0.000 abstract description 5
- 239000010865 sewage Substances 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000009360 aquaculture Methods 0.000 abstract description 2
- 244000144974 aquaculture Species 0.000 abstract description 2
- 244000005700 microbiome Species 0.000 description 8
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000001914 filtration Methods 0.000 description 5
- 235000015170 shellfish Nutrition 0.000 description 5
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 4
- 229910021536 Zeolite Inorganic materials 0.000 description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 3
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 230000008961 swelling Effects 0.000 description 3
- 239000010457 zeolite Substances 0.000 description 3
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000005273 aeration Methods 0.000 description 2
- 238000009395 breeding Methods 0.000 description 2
- 230000001488 breeding effect Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000006396 nitration reaction Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 239000002028 Biomass Substances 0.000 description 1
- 240000001973 Ficus microcarpa Species 0.000 description 1
- 241000108664 Nitrobacteria Species 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 238000012546 transfer Methods 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
Landscapes
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention provides a kind of Shell ceramsite biological carrier and preparation method thereof, described shell haydite microbe carrier is the haydite of shell, clay and high-temperature agglomerant sintering, and the content of each component is as follows: shell powder: 20 ~ 70wt.%; Clay powders: 20 ~ 60wt.%; High-temperature agglomerant: 8 ~ 20wt.%.Described preparation method is as follows: shell powder, clay powders, high-temperature agglomerant are mixed; In above-mentioned raw materials, add the water of 8-15% weight, be rolled onto 3-10mm bead, natural air drying one day; By the bead after air-dry, at 400-550 DEG C of calcining 40-120min, calcine the cooling of rear naturally cooling, obtained Shell ceramsite biological carrier.The present invention can solve a large amount of waste shell in the current aquaculture area of existing solution and stack problem, and the Shell ceramsite biological carrier of preparation has that intensity is good, biological fixnig efficiency is high, solves the problems such as basicity in current high-ammonia-nitrogen sewage process is not enough.
Description
[technical field]
The present invention relates to a kind of Shell ceramsite biological carrier and preparation method thereof.
[background technology]
Allly the material of apposition growth fixed surface can be provided all to be called bio-carrier (or filler) for microbial film.Biological not only relevant with biological characteristic, also relevant with the characteristic of bio-carrier with the rate of adsorption between bio-carrier, bonding tightness etc.For improving the adsorption effect, rate of adsorption etc. between biology and carrier, it is very necessary to turn out dominant bacteria; But when water treatment environmental factors, biotic population are certain, the surface property, pore texture, specific surface area, material etc. of bio-carrier all have very important impact to the absorption of biology, the mass transfer of carrier and water treatment capacity, therefore bio-carrier has important influence and effect in the development and performance characteristic of biomembrance process.
The bio-carrier adopted the earliest is rubble, and its specific surface area is little, limits the raising of load biomass; Along with industrial expansion, a large amount of new bio carriers is applied, and novel bio-carrier has specific surface area, density, size etc. all can be determined according to production actual needs, the significant progress that made biomembrance process have thus.
Shell oyster is the common marine prods in the world, and China's shellfish output occupies the first place, particularly oyster of world's shellfish culture output, and there is oyster kind more than 20 coastal provinces, is commonly called as " raw oyster " or " large oyster " in south, is the topmost economic shellfish of Southern Coast.Current China mainly processes its edible portion to the exploitation of shellfish, while utilizing edible portion, create a large amount of shell, then be dropped as rubbish, organism residual in these discarded shells is corrupt smelly in long-term process of stacking, harm resident living, land occupation, causes severe contamination to environment.In recent years, along with the continuous expansion of China coast each province shellfish culture scale, how to turn waste into wealth, develop a large amount of cheap shell resource, receive much attention.
2007, Sheng-BingHe etc. were with natural zeolite and swelling clay as BAF filler, and find that zeolite BAF is to strong than swelling clay BAF of the change in concentration adaptability of NH3-N, zeolite BAF is more suitable for the growth of nitrobacteria than swelling clay BAF.Wei Chen etc. adopt flyash, active sludge, clay to prepare sintering ceramsite bio-carrier, and particle diameter is 3mm, and ceramic aggregate biological carrier mean water absorption rate is 27%, mean compressive strength is 1.23MPa, pellet density is 1.19g/cm3, is easy to form fluidized state, can meet the requirement of sewage disposal carrier performance.
[summary of the invention]
One of the technical problem to be solved in the present invention, be to provide a kind of Shell ceramsite biological carrier, a large amount of waste shell in the current aquaculture area of existing solution can be solved and stack problem, the Shell ceramsite biological carrier of preparation has that intensity is good, biological fixnig efficiency is high, solves the problems such as basicity in current high-ammonia-nitrogen sewage process is not enough.
The present invention realizes one of above-mentioned technical problem like this:
A kind of Shell ceramsite biological carrier, described shell haydite microbe carrier is the haydite of shell, clay and high-temperature agglomerant sintering, and the content of each component is as follows: shell powder: 20 ~ 70wt.%; Clay powders: 20 ~ 60wt.%; High-temperature agglomerant: 8 ~ 20wt.%.
Further, the particle diameter of described shell powder is 10-300 μm; The particle diameter of described clay powders is: 10-300 μm.
Further, described shell powder is at least one in oyster, scallop, clam, bivalves powder.
Further, described high-temperature agglomerant is water glass.
The technical problem to be solved in the present invention two, be the preparation method that a kind of Shell ceramsite biological carrier is provided, preparation process is simple to operation, the features such as sintering temperature is low, the shell haydite microbe carrier prepared, the calcium carbonate components in shell can be utilized to provide basicity, solve the problem of existing biological filtering tank process basicity deficiency.
The present invention realizes above-mentioned technical problem two like this:
A preparation method for Shell ceramsite biological carrier, described preparation method's step is as follows:
Step 10, shell powder, clay powders, high-temperature agglomerant to be mixed;
Step 20, in above-mentioned raw materials, add the water of 8-15% weight, be rolled onto 3-10mm bead, natural air drying one day;
Step 30, by the bead after air-dry, at 400-550 DEG C of calcining 40-120min, calcine the cooling of rear naturally cooling, obtained Shell ceramsite biological carrier.
Further, in step 10, the content of each component is as follows: shell powder: 20 ~ 70wt.%; Clay powders: 20 ~ 60wt.%; High-temperature agglomerant: 8 ~ 20wt.%.
Further, the particle diameter of described shell powder is 10-300 μm; The particle diameter of described clay powders is: 10-300 μm.
Further, described shell powder is at least one in oyster, scallop, clam, bivalves powder.
Further, described high-temperature agglomerant is water glass.
Tool of the present invention has the following advantages:
Shell ceramsite biological carrier bioaffinity of the present invention is higher, is conducive to microorganism and solid suspended particle adheres to the growth of carrier; Shell ceramsite biological carrier foam structure of the present invention enriches, and not only can grow a large amount of microorganisms, along with continuous growth, the enrichment of microorganism, is conducive to the breeding of variform microorganism, improves treatment efficiency.
Shell haydite microbe carrier of the present invention can also utilize the calcium carbonate components in shell to provide basicity, solve the problem of existing biological filtering tank process basicity deficiency, and solve porous support and can not effectively be difficult to form the problems such as diversified environment in fixation of microbe and carrier.And because the existence of anaerobism, anoxic and aerobic various environment can promote nitration denitrification effect, promote the minimizing of mud simultaneously.
Adopt the biological filtering tank process of Shell ceramsite biological carrier can improve the removal COD of traditional biological filter tank technique, ammonia nitrogen and TN efficiency, increase the processing power of unit volume.
[accompanying drawing explanation]
The present invention is further illustrated in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the filter tank Inlet and outlet water ammonia nitrogen concentration graphic representation being filled with shell haydite microbe carrier of the present invention in filter post.
Fig. 2 is the filter tank Inlet and outlet water COD concentration curve being filled with shell haydite microbe carrier of the present invention in filter post.
[embodiment]
Refer to shown in Fig. 1 and Fig. 2, embodiments of the invention are described in detail.
The present invention relates to a kind of Shell ceramsite biological carrier, described shell haydite microbe carrier is the haydite of shell, clay and high-temperature agglomerant sintering, and the content of each component is as follows: shell powder: 20 ~ 70wt.%; Clay powders: 20 ~ 60wt.%; High-temperature agglomerant: 8 ~ 20wt.%.
The particle diameter of described shell powder is 10-300 μm; The particle diameter of described clay powders is: 10-300 μm.
Described shell powder is at least one in oyster, scallop, clam, bivalves powder.
Described high-temperature agglomerant is water glass.
The invention still further relates to the preparation method of above-mentioned Shell ceramsite biological carrier, described preparation method's step is as follows:
Step 10, shell powder, clay powders, high-temperature agglomerant to be mixed;
Step 20, in above-mentioned raw materials, add the water of 8-15% weight, be rolled onto 3-10mm bead, natural air drying one day;
Step 30, by the bead after air-dry, at 400-550 DEG C of calcining 40-120min, calcine the cooling of rear naturally cooling, obtained Shell ceramsite biological carrier.
Below in conjunction with specific embodiment to the explanation further of the present invention's do.
Embodiment
The water glass of the oyster shell powder of 57.14wt%, 28.60wt% clay, 14.26wt% is mixed;
Add about 10g distilled water in every 100g raw material, be rolled onto 3-5mm bead with coater, natural air drying one day under indoor room temperature;
Bead after air-dry, at 450 DEG C of calcining 60min, has calcined the cooling of rear naturally cooling.
The apparent density of the shell haydite microbe carrier of above-mentioned preparation is 1645kg/m
3, tap density is 959.3kg/m
3, voidage is 41.71%, water-intake rate is 18.70%, specific surface area is 4.98m
2/ g, ultimate compression strength are 2.73MPa, and basicity provides as follows with the relation of total carrier amount: S=0.062X, and wherein, S provides basicity amount (g) for shell carrier, and X is shell carrier quality (g).
The shell haydite microbe carrier of above-mentioned preparation is used for biologic filter technique.Biologic filter reactor assembly is diameter 75mm, and height 1.7m, effective volume is 6.223L, and supporting layer is 20mm, and packed height is 100cm.Current are to upper reaches, and aeration is from bottom aeration.Flooding velocity=1.037L/h, HRT=6h, gas-water ratio=20-40:1, influent ammonium concentration is 43-45mg/L, COD concentration is 145-175mg/L, and total phosphorus concentration is 2-2.5mg/L.Fig. 1 is the filter tank Inlet and outlet water ammonia nitrogen concentration graphic representation being filled with shell haydite microbe carrier prepared by the present embodiment in filter post, and Fig. 2 is the filter tank Inlet and outlet water COD concentration curve being filled with shell haydite microbe carrier prepared by the present embodiment in filter post.
As can be seen from Figure 1, shell haydite microbe carrier filter post technique is fine for the removal effect of ammonia nitrogen, and clearance is 98%, and through the continuous operation of 36 days, ammonia nitrogen concentration was stabilized in 1mg/L.As can be seen from Figure 2, the effluent COD concentration through the continuous operation shell haydite microbe carrier filter post technique of 36 days is about 40mg/L, and the clearance of COD is 70%.
Shell ceramsite biological carrier bioaffinity of the present invention is higher, is conducive to microorganism and solid suspended particle adheres to the growth of carrier; Shell ceramsite biological carrier foam structure of the present invention enriches, and not only can grow a large amount of microorganisms, along with continuous growth, the enrichment of microorganism, is conducive to the breeding of variform microorganism, improves treatment efficiency.
Shell haydite microbe carrier of the present invention can also utilize the calcium carbonate components in shell to provide basicity, solve the problem of existing biological filtering tank process basicity deficiency, and solve porous support and can not effectively be difficult to form the problems such as diversified environment in fixation of microbe and carrier.And because the existence of anaerobism, anoxic and aerobic various environment can promote nitration denitrification effect, promote the minimizing of mud simultaneously.
Adopt the biological filtering tank process of Shell ceramsite biological carrier can improve the removal COD of traditional biological filter tank technique, ammonia nitrogen and TN efficiency, increase the processing power of unit volume.
Although the foregoing describe the specific embodiment of the present invention; but be familiar with those skilled in the art to be to be understood that; specific embodiment described by us is illustrative; instead of for the restriction to scope of the present invention; those of ordinary skill in the art, in the modification of the equivalence done according to spirit of the present invention and change, should be encompassed in scope that claim of the present invention protects.
Claims (4)
1. a preparation method for Shell ceramsite biological carrier, is characterized in that: described preparation method's step is as follows:
Step 10, shell powder, clay powders, high-temperature agglomerant to be mixed; The content of each component is as follows: shell powder: 20 ~ 70wt.%; Clay powders: 20 ~ 60wt.%; High-temperature agglomerant: 8 ~ 20wt.%;
Step 20, in above-mentioned raw materials, add the water of 8-15% weight, be rolled onto 3-10mm bead, natural air drying one day;
Step 30, by the bead after air-dry, at 400-550 DEG C of calcining 40-120min, calcine the cooling of rear naturally cooling, obtained Shell ceramsite biological carrier.
2. the preparation method of a kind of Shell ceramsite biological carrier according to claim 1, is characterized in that: the particle diameter of described shell powder is 10-300 μm; The particle diameter of described clay powders is: 10-300 μm.
3. the preparation method of a kind of Shell ceramsite biological carrier according to claim 1, is characterized in that: described shell powder is at least one in oyster, scallop, clam, bivalves powder.
4. the preparation method of a kind of Shell ceramsite biological carrier according to claim 1, is characterized in that: described high-temperature agglomerant is water glass.
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| CN201310384637.0A CN103482754B (en) | 2013-08-29 | 2013-08-29 | A kind of preparation method of Shell ceramsite biological carrier |
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| CN103482754B true CN103482754B (en) | 2016-03-30 |
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| CN105295925A (en) * | 2014-06-27 | 2016-02-03 | 陈温乐 | Method for preparing modified reduced soil |
| CN107840443A (en) * | 2016-09-20 | 2018-03-27 | 李蕴凯 | The method and device of sewage disposal second pond ammonia nitrogen is removed with tower active carrier |
| CN106495731B (en) * | 2016-11-30 | 2020-10-09 | 青岛易生态环保科技有限公司 | Ceramsite produced by taking sludge in rivers and lakes and shell powder as raw materials and preparation method thereof |
| CN106824994A (en) * | 2017-02-15 | 2017-06-13 | 上海浦东路桥建设股份有限公司 | Shell class waste material turns to the process of road engineering material |
| CN108101233A (en) * | 2018-01-11 | 2018-06-01 | 上海汀滢环保科技有限公司 | To be modified mixing ecology filler, compounded mix ball, purification slot device and the preparation process based on shellfish |
| CN108249894A (en) * | 2018-02-06 | 2018-07-06 | 金华市飞凌生物科技有限公司 | Potting haydite with water retaining function |
| CN108840428A (en) * | 2018-06-15 | 2018-11-20 | 四川天润德环境工程有限公司 | A kind of biofilm packing and preparation method thereof for sewage treatment |
| CN109289321A (en) * | 2018-12-05 | 2019-02-01 | 大连海洋大学 | It is a kind of using waste shell as new bio filtrate of raw material and preparation method thereof |
| CN109354341A (en) * | 2018-12-17 | 2019-02-19 | 上海波赛统环境科技有限公司 | A kind of sewage denitrification and dephosphorization biological treatment system and its application |
| CN112119864B (en) * | 2020-08-21 | 2022-02-01 | 北京正唐峪秀环境科技有限公司 | Ceramsite soilless culture substrate as well as preparation method and application thereof |
| CN112126641B (en) * | 2020-09-28 | 2022-02-08 | 北京师范大学 | Shell-silicon dioxide microorganism immobilization carrier and preparation method thereof |
| CN112573657B (en) * | 2020-11-30 | 2022-08-19 | 中天华诺建设有限公司 | Filler for ammonia nitrogen sewage treatment |
| CN114349527A (en) * | 2022-01-18 | 2022-04-15 | 大连交通大学 | Method for preparing sludge ceramsite by using domestic sludge |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101176839A (en) * | 2007-11-23 | 2008-05-14 | 福州大学 | Raw material prescription and preparing method for preparing recoverable wastewater dephosphorization material using shuck |
| CN102225870A (en) * | 2011-04-21 | 2011-10-26 | 合肥工业大学 | Attapulgite clay porous ceramsite, and preparation method and purpose thereof |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030005987A (en) * | 2001-07-11 | 2003-01-23 | 이제우 | The waste water treating ceramic carrier which contains oyster shell and the producing method of thereof |
| KR100759833B1 (en) * | 2006-04-21 | 2007-09-18 | 한국과학기술연구원 | Active material for biological treatment of sewage and waste water, microbic media containing the active material and method for preparing the same |
| CN101412561A (en) * | 2007-10-16 | 2009-04-22 | 罗以明 | Pearl calcium ion particle and preparation thereof |
| KR100845521B1 (en) * | 2007-12-05 | 2008-07-10 | 주식회사 성일엔텍 | Media of constructed wetland for the treatment of municipal wastewater and preparation methods thereof |
| CN101628751B (en) * | 2009-08-10 | 2011-11-30 | 福州大学 | Recyclable waste water dephosphorization material of oyster shells prepared by fire-free method and preparation method thereof |
| CN101774684B (en) * | 2010-03-23 | 2012-07-04 | 南京工业大学 | Filter material for water treatment and preparation method and application thereof |
| CN102320692A (en) * | 2011-07-18 | 2012-01-18 | 中国海洋大学 | Natural shell type intelligent potential of hydrogen (pH) corrosion inhibitor and preparation method thereof |
-
2013
- 2013-08-29 CN CN201310384637.0A patent/CN103482754B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101176839A (en) * | 2007-11-23 | 2008-05-14 | 福州大学 | Raw material prescription and preparing method for preparing recoverable wastewater dephosphorization material using shuck |
| CN102225870A (en) * | 2011-04-21 | 2011-10-26 | 合肥工业大学 | Attapulgite clay porous ceramsite, and preparation method and purpose thereof |
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