[go: up one dir, main page]

CN103420490B - A kind of close electric type bio-carrier and preparation method thereof - Google Patents

A kind of close electric type bio-carrier and preparation method thereof Download PDF

Info

Publication number
CN103420490B
CN103420490B CN201310306316.9A CN201310306316A CN103420490B CN 103420490 B CN103420490 B CN 103420490B CN 201310306316 A CN201310306316 A CN 201310306316A CN 103420490 B CN103420490 B CN 103420490B
Authority
CN
China
Prior art keywords
parts
biological carrier
electrophilic
auxiliary material
carrier
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201310306316.9A
Other languages
Chinese (zh)
Other versions
CN103420490A (en
Inventor
全燮
毛彦俊
张耀斌
陈硕
赵慧敏
于洪涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dalian University of Technology
Original Assignee
Dalian University of Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dalian University of Technology filed Critical Dalian University of Technology
Priority to CN201310306316.9A priority Critical patent/CN103420490B/en
Publication of CN103420490A publication Critical patent/CN103420490A/en
Application granted granted Critical
Publication of CN103420490B publication Critical patent/CN103420490B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Biological Treatment Of Waste Water (AREA)
  • Immobilizing And Processing Of Enzymes And Microorganisms (AREA)

Abstract

本发明公开了一种亲电型生物载体及其制备方法,所用的原料及质量份数为高分子基料100-250份、亲电功能料2-15份、辅料1、辅料2和辅料3分别为2-20份、2-20份以及1-10份。将上述原料通过混匀、造粒、螺杆挤出以及冷却切割成型。本发明提供的生物载体制备方便,且密度在0.91-0.97g/cm3可控;根据微生物在水中带有负电的特性,在载体中混有带正电的功能料使载体表面带有正电荷,以增强微生物与载体间的亲和性。此类生物载体有利于微生物附着生长、挂膜容易、周期短;生物量大、氨氮去除效率高、出水水质好;污泥沉降性能好,设备运行无污泥堵塞现象;生物载体使用寿命长,而且不需要人工更换和维护。The invention discloses an electrophilic biological carrier and a preparation method thereof. The raw materials and mass parts used are 100-250 parts of polymer base material, 2-15 parts of electrophilic functional material, auxiliary material 1, auxiliary material 2 and auxiliary material 3 2-20 parts, 2-20 parts and 1-10 parts respectively. The above raw materials are mixed, granulated, screw extruded and cooled and cut into shapes. The biological carrier provided by the present invention is easy to prepare, and the density is controllable at 0.91-0.97g/cm 3 ; according to the negatively charged characteristics of microorganisms in water, positively charged functional materials are mixed in the carrier to make the surface of the carrier positively charged , to enhance the affinity between microorganisms and carriers. This type of biological carrier is conducive to the growth of microorganisms, easy film formation, and short cycle; large biomass, high ammonia nitrogen removal efficiency, and good effluent quality; good sludge settling performance, no sludge clogging in equipment operation; biological carrier has a long service life, And there is no need for manual replacement and maintenance.

Description

一种亲电型生物载体及其制备方法A kind of electrophilic biological carrier and its preparation method

技术领域technical field

本发明涉及一种亲电型生物载体及其制备方法,可用于环境污染物的生物处理,尤其适用于污水的生物处理中。属于污染物的生物处理领域。The invention relates to an electrophilic biological carrier and a preparation method thereof, which can be used for the biological treatment of environmental pollutants, especially for the biological treatment of sewage. The invention belongs to the field of biological treatment of pollutants.

背景技术Background technique

微生物赖以生存的场所——生物载体的研制与开发是固定床或移动床生物膜反应工艺发展的关键所在。但是,目前国内生产的生物载体大多将高分子材料直接加工成型,因此,所生产的生物载体挂膜速度慢、生物亲和性差、生物膜易脱落、氨氮的去除效率低,反应器运行及处理效果不佳。The place where microorganisms live - the research and development of biological carriers is the key to the development of fixed bed or moving bed biofilm reaction process. However, at present, most of the biocarriers produced in China are directly processed into polymer materials. Therefore, the biocarriers produced have slow film formation speed, poor biocompatibility, easy biofilm detachment, and low ammonia nitrogen removal efficiency. Reactor operation and treatment not effectively.

发明内容Contents of the invention

本发明的目的在于提供一种能够提高载体表面的生物亲和性、对有机物和氨氮的去除效率高以及生产方法简便的表面亲电型生物载体。The purpose of the present invention is to provide a surface electrophilic biological carrier capable of improving the biological affinity of the carrier surface, having high removal efficiency for organic matter and ammonia nitrogen, and a simple and convenient production method.

本发明所提供的生物载体是根据微生物在水中带有负电的特性,在载体中混有带正电的功能料使载体表面带有正电荷,以达到增强微生物与载体间的亲和性的目的。The biological carrier provided by the present invention is based on the negatively charged characteristics of microorganisms in water, and positively charged functional materials are mixed in the carrier to make the surface of the carrier positively charged, so as to achieve the purpose of enhancing the affinity between microorganisms and the carrier .

本发明的生物载体包括高分子基料和亲电功能料;其中,高分子基料是聚乙烯或聚丙烯,相对于亲电功能料的质量份数为100-250份;亲电功能料是胺盐、季铵盐、吡啶盐以及噻吩盐类的一种或几种,相对于高分子基料的质量份数2-15份。The biological carrier of the present invention includes a polymer base material and an electrophilic functional material; wherein, the polymer base material is polyethylene or polypropylene, and the mass fraction relative to the electrophilic functional material is 100-250 parts; the electrophilic functional material is amine One or more of salt, quaternary ammonium salt, pyridinium salt and thiophene salt, the mass fraction relative to the polymer base material is 2-15 parts.

上述的亲电功能料可以是聚苯胺、阳离子淀粉、阳离子聚丙烯酰胺、聚吡咯、聚噻吩的一种或几种。The electrophilic functional material mentioned above can be one or more of polyaniline, cationic starch, cationic polyacrylamide, polypyrrole and polythiophene.

上述的亲电功能料的质量份数为2-15份,其中聚苯胺、聚吡咯和聚噻吩的质量份数各为2-10份,阳离子淀粉和阳离子聚丙烯酰胺的质量份数各为5-15份。The mass parts of the electrophilic functional material mentioned above are 2-15 parts, wherein the mass parts of polyaniline, polypyrrole and polythiophene are respectively 2-10 parts, and the mass parts of cationic starch and cationic polyacrylamide are 5 parts respectively. -15 copies.

可以根据需要再加入下述辅料中的一种或几种:One or more of the following auxiliary materials can be added as needed:

(1)辅料1是聚乙烯醇、活性炭、硅藻土、中性氧化铝的一种或几种,质量份数为2-20份。(1) The auxiliary material 1 is one or more of polyvinyl alcohol, activated carbon, diatomaceous earth, and neutral alumina, and the parts by mass are 2-20 parts.

(2)辅料2是碳酸钙、滑石粉的一种或几种,质量份数为2-20份。(2) The auxiliary material 2 is one or more of calcium carbonate and talcum powder, and the number of parts by mass is 2-20 parts.

(3)辅料3是铁粉或三氧化二铁的一种或几种,质量份数为1-10份。(3) The auxiliary material 3 is one or more of iron powder or ferric oxide, and the number of parts by mass is 1-10 parts.

其中,辅料1的质量份数可以为2-20份,其中聚乙烯醇的质量份数为2-16份,活性炭和硅藻土的质量份数各为10-20份,中性氧化铝的质量份数为2-10份。本发明生物载体的制备方法为:Wherein, the mass fraction of auxiliary material 1 can be 2-20 parts, wherein the mass fraction of polyvinyl alcohol is 2-16 fractions, the mass fraction of activated carbon and diatomite is 10-20 fractions respectively, and the mass fraction of neutral alumina The number of parts by mass is 2-10 parts. The preparation method of biological carrier of the present invention is:

步骤1:高分子基料:亲电功能料:辅料1:辅料2:辅料3=100-250:2-15:2-20:2-20:1-10;Step 1: polymer base material: electrophilic functional material: auxiliary material 1: auxiliary material 2: auxiliary material 3=100-250: 2-15: 2-20: 2-20: 1-10;

步骤2:将步骤1中的原料加入到混合机中充分混匀;Step 2: Add the raw materials in step 1 to the mixer and mix well;

步骤3:将步骤2中的原料置于造粒机中加工成颗粒物;Step 3: placing the raw materials in step 2 in a granulator and processing them into granules;

步骤4:将步骤3中的颗粒物置于螺杆挤出机中,由螺杆挤出机高温挤出,螺杆挤出机各段的加工温度为:130℃-200℃。并可根据螺杆挤出机所选模具头的不同,制成不同形状的圆柱形管材;将加工成型的管材,根据所需要的尺寸切割定型。Step 4: Put the granules in step 3 into a screw extruder and extrude them at high temperature. The processing temperature of each section of the screw extruder is: 130°C-200°C. And according to the different die heads selected by the screw extruder, different shapes of cylindrical pipes can be made; the processed pipes can be cut and shaped according to the required size.

本发明与现有技术相比具有如下特点:Compared with the prior art, the present invention has the following characteristics:

1.本发明所述的生物载体在制备过程中混有的亲电功能料带有正电性,使得生物载体表面带有不同程度的正电荷。由于微生物带有负电性,这就使得本发明所述的亲电型生物载体具有很好的生物亲和性,缩短了挂膜周期且不易脱落、生物载体表面微生物量大。1. The electrophilic functional material mixed in the preparation process of the biological carrier of the present invention is positively charged, so that the surface of the biological carrier has different degrees of positive charges. Because microorganisms are negatively charged, this makes the electrophilic biological carrier of the present invention have good biological affinity, shortens the film-hanging period and is not easy to fall off, and the microbial mass on the surface of the biological carrier is large.

2.本发明所述的生物载体的湿密度在0.91-0.97g/cm3可控,挂膜后的载体密度接近于水,在水中利用气流和水流的动力作用下更容易达到悬浮状态,既减少了能耗,降低运行成本;又提高了处理效果。2. The wet density of the biological carrier according to the present invention is controllable at 0.91-0.97g/cm 3 , and the carrier density after hanging the film is close to water, and it is easier to reach the suspension state under the dynamic action of airflow and water flow in water, both Reduce energy consumption, lower operating costs; and improve the treatment effect.

3.本发明所述的生物载体在水中为自养型硝化菌和异养型反硝化菌提供良好的生长环境,有利于增强硝化-反硝化作用效果,以城市生活污水为例,将本发明所述生物载体投加到好氧生物反应池内,COD的去除率为95%以上、氨氮的去除率为95%以上,并具有同步硝化-反硝化的处理效果。3. The biological carrier of the present invention provides a good growth environment for autotrophic nitrifying bacteria and heterotrophic denitrifying bacteria in water, which is conducive to enhancing the effect of nitrification-denitrification. Taking urban domestic sewage as an example, the present invention The biological carrier is added into the aerobic biological reaction tank, the removal rate of COD is over 95%, the removal rate of ammonia nitrogen is over 95%, and has the treatment effect of synchronous nitrification-denitrification.

4.本发明所述的生物载体加工方便、工艺流程简单且生产成本低。4. The biological carrier of the present invention has the advantages of convenient processing, simple process flow and low production cost.

5.本发明所述的生物载体的使用寿命长,不需要人工更换和维护。5. The biological carrier of the present invention has a long service life and does not require manual replacement and maintenance.

具体实施方式Detailed ways

以下结合技术方案详细叙述本发明的具体实施例。Specific embodiments of the present invention will be described in detail below in conjunction with technical solutions.

实施例1Example 1

取聚乙烯25千克、细度在100目以上的聚苯胺1千克、中性氧化铝和硅藻土各1千克、碳酸钙2千克以及三氧化二铁1千克,将上述原料加入混合机混合均匀;置于造粒机中在150℃的温度下加工成颗粒物;将此颗粒物加入到螺杆挤出机中,各段温度为130℃、140℃、150℃、130℃(机头),挤出制成圆柱形管材,最后经过冷却、切割定型制成本发明所述的生物载体,其密度为0.93g/cm3。对本实施例所制备的生物载体进行固体表面Zeta电位测试实验,测试结果表明:电解液呈中性时,该生物载体表面Zeta电位为+22mV,说明生物载体表面带有正电性。Take 25 kg of polyethylene, 1 kg of polyaniline with a fineness of more than 100 mesh, 1 kg of neutral alumina and diatomaceous earth, 2 kg of calcium carbonate and 1 kg of ferric oxide, and add the above raw materials to the mixer and mix evenly ; put it in the granulator and process it into granules at a temperature of 150°C; put the granules into the screw extruder, and the temperature of each section is 130°C, 140°C, 150°C, 130°C (head), and extrude Made into a cylindrical tube, and finally cooled, cut and shaped to make the biological carrier of the present invention, the density of which is 0.93g/cm 3 . The biological carrier prepared in this example was tested for solid surface Zeta potential. The test results showed that when the electrolyte was neutral, the surface Zeta potential of the biological carrier was +22mV, indicating that the surface of the biological carrier was positively charged.

实施例2Example 2

取聚丙烯10千克、细度在100目以上的阳离子聚丙烯酰胺0.5千克、聚乙烯醇0.2千克、中性氧化铝0.2千克、滑石粉0.2千克以及三氧化二铁0.1千克,将上述原料加入混合机混合均匀;置于造粒机中在150℃的温度下加工成颗粒物;将此颗粒物加入到螺杆挤出机中,各段温度为130℃、140℃、150℃、130℃(机头),挤出制成圆柱形管材,最后经过冷却、切割定型制成本发明所述的生物载体,其密度为0.95g/cm3。将所制备的相同形状和数量的亲电型生物载体和聚丙烯生物载体分别投加到城市污水好氧生物处理系统中,采用快速排泥法,进行挂膜对比实验。实验结果表明:该亲电型生物载体挂膜所需时间比聚丙烯生物载体缩短了5-8天,说明本发明所制得的亲电型生物载体具有很好的挂膜性能。Take 10 kg of polypropylene, 0.5 kg of cationic polyacrylamide with a fineness above 100 mesh, 0.2 kg of polyvinyl alcohol, 0.2 kg of neutral alumina, 0.2 kg of talcum powder and 0.1 kg of ferric oxide, add the above raw materials and mix The machine is mixed evenly; placed in the granulator and processed into granules at a temperature of 150°C; the granules are added to the screw extruder, and the temperature of each section is 130°C, 140°C, 150°C, 130°C (machine head) , extruded into a cylindrical tube, and finally cooled, cut and shaped to produce the biological carrier of the present invention, the density of which is 0.95g/cm 3 . The prepared electrophilic biological carrier and polypropylene biological carrier of the same shape and quantity were added to the urban sewage aerobic biological treatment system, and the rapid sludge discharge method was used to conduct a film-hanging comparison experiment. The experimental results show that the time required for the electrophilic biological carrier to form a film is 5-8 days shorter than that of the polypropylene biological carrier, which shows that the electrophilic biological carrier prepared by the present invention has good film-forming performance.

实施例3Example 3

取聚乙烯23千克、细度在100目以上的阳离子聚丙烯酰胺和聚苯胺各0.7千克、活性炭和硅藻土各1.3千克、滑石粉0.4千克以及三氧化二铁0.1千克,将上述原料加入混合机混合均匀;置于造粒机中在150℃的温度下加工成颗粒物;将此颗粒物加入到螺杆挤出机中,各段温度为130℃、140℃、150℃、130℃(机头),挤出制成圆柱形管材,最后经过冷却、切割定型制成本发明所述的生物载体,其密度为0.91g/cm3。对本实施例所制备的生物载体进行模拟城市污水的生物降解实验,实验结果表明:COD和氨氮的去除率均达到95%以上,说明了本发明所制备的亲电型生物载体具有很好的污水处理性能。Take 23 kg of polyethylene, 0.7 kg each of cationic polyacrylamide and polyaniline with a fineness above 100 mesh, 1.3 kg each of activated carbon and diatomaceous earth, 0.4 kg of talcum powder and 0.1 kg of ferric oxide, add the above raw materials and mix The machine is mixed evenly; placed in the granulator and processed into granules at a temperature of 150°C; the granules are added to the screw extruder, and the temperature of each section is 130°C, 140°C, 150°C, 130°C (machine head) , extruded into a cylindrical tube, and finally cooled, cut and shaped to produce the biological carrier of the present invention, the density of which is 0.91g/cm 3 . The biological carrier prepared in this example was subjected to a biodegradation experiment simulating urban sewage, and the experimental results showed that the removal rates of COD and ammonia nitrogen all reached more than 95%, indicating that the electrophilic biological carrier prepared by the present invention has a good sewage Processing performance.

实施例4Example 4

取聚丙烯13千克、细度在100目以上的聚苯胺和阳离子淀粉各0.65千克、活性炭1.3千克、中性氧化铝0.5千克、铁粉0.6千克以及三氧化二铁0.2千克。将上述原料加入混合机混合均匀;置于造粒机中在150℃的温度下加工成颗粒物;将此颗粒物加入到螺杆挤出机中,各段温度为130℃、140℃、150℃、130℃(机头),挤出制成圆柱形管材,最后经过冷却、切割定型制成本发明所述的生物载体,经过密度测试实验得其密度为0.97g/cm3。对本实施例所制备的生物载体进行固体表面Zeta电位测试实验,测试结果为:电解液呈中性时,该生物载体表面的Zeta电位为+18mV。挂膜实验结果表明:该亲电型生物载体挂膜所需时间比聚丙烯生物载体缩短了5-8天。模拟城市污水生物降解实验表明:COD和氨氮的去除率均达到95%以上。Take 13 kg of polypropylene, 0.65 kg of polyaniline and cationic starch with a fineness above 100 mesh, 1.3 kg of activated carbon, 0.5 kg of neutral alumina, 0.6 kg of iron powder and 0.2 kg of ferric oxide. Put the above raw materials into the mixer and mix them evenly; place them in the granulator and process them into granules at a temperature of 150°C; put the granules into the screw extruder, and the temperature of each section is 130°C, 140°C, 150°C, 130°C °C (machine head), extruded into a cylindrical tube, and finally cooled, cut and shaped to make the biological carrier of the present invention, and the density was 0.97g/cm 3 through the density test experiment. The solid surface Zeta potential test experiment was carried out on the biological carrier prepared in this example, and the test result was: when the electrolyte was neutral, the Zeta potential on the surface of the biological carrier was +18mV. The results of the membrane-hanging experiment show that the time required for the electrophilic biological carrier to be membrane-mounted is 5-8 days shorter than that of the polypropylene biological carrier. The simulated urban sewage biodegradation experiments show that the removal rates of COD and ammonia nitrogen are both above 95%.

Claims (4)

1.一种亲电型生物载体,其特征在于,所述的生物载体包括高分子基料、亲电功能料;其中,高分子基料是聚乙烯或聚丙烯,相对于亲电功能料的质量份数为100-250份;所述的亲电功能料是聚苯胺、阳离子淀粉、阳离子聚丙烯酰胺、聚吡咯、聚噻吩的一种或几种,高分子基料:亲电功能料=100-250:2-15。 1. An electrophilic biological carrier is characterized in that, described biological carrier comprises macromolecular base material, electrophilic functional material; Wherein, macromolecular base material is polyethylene or polypropylene, with respect to the electrophilic functional material The number of parts by mass is 100-250 parts; the electrophilic functional material is one or more of polyaniline, cationic starch, cationic polyacrylamide, polypyrrole, polythiophene, polymer base material: electrophilic functional material = 100-250: 2-15. 2.根据权利要求1所述的一种亲电型生物载体,其特征在于,再加入下述辅料中的一种或几种: 2. A kind of electrophilic biological carrier according to claim 1, is characterized in that, adds one or more in following auxiliary material again: (1)辅料1是聚乙烯醇、活性炭、硅藻土、中性氧化铝的一种或几种,质量份数为2-20份; (1) Excipient 1 is one or more of polyvinyl alcohol, activated carbon, diatomaceous earth, and neutral alumina, and the number of parts by mass is 2-20 parts; (2)辅料2是碳酸钙、滑石粉的一种或几种,质量份数为2-20份; (2) The auxiliary material 2 is one or several kinds of calcium carbonate and talcum powder, and the number of parts by mass is 2-20 parts; (3)辅料3是铁粉或三氧化二铁的一种或几种,质量份数为1-10份。 (3) The auxiliary material 3 is one or more of iron powder or ferric oxide, and the number of parts by mass is 1-10 parts. 3.权利要求1或2所述一种亲电型生物载体的制备方法,其特征步骤如下: 3. the preparation method of a kind of electrophilic biological carrier described in claim 1 or 2, its characteristic steps are as follows: 步骤1:高分子基料:亲电功能料:辅料1:辅料2:辅料3=100-250:2-15:2-20:2-20:1-10; Step 1: polymer base material: electrophilic functional material: auxiliary material 1: auxiliary material 2: auxiliary material 3=100-250: 2-15: 2-20: 2-20: 1-10; 步骤2:将步骤1中的原料充分混匀; Step 2: fully mix the raw materials in step 1; 步骤3:将步骤2中的原料置于造粒机中加工成颗粒物; Step 3: placing the raw materials in step 2 in a granulator and processing them into granules; 步骤4:将步骤3中的颗粒物置于螺杆挤出机中,由螺杆挤出机高温挤出,螺杆挤出机各段的加工温度为:130℃~200℃;并可根据螺杆挤出机所选模具头的不同,制成不同形状的圆柱形管材,将加工成型的管材,根据所需要的尺寸切割定型。 Step 4: Put the granules in step 3 in a screw extruder, and extrude them at high temperature. The processing temperature of each section of the screw extruder is: 130°C~200°C; Depending on the selected die head, cylindrical pipes of different shapes are made, and the processed pipes are cut and shaped according to the required size. 4.根据权利要求3所述的制备方法,其特征在于,挤出机各段的加工温度为:130℃、140℃、150℃、130℃。 4. The preparation method according to claim 3, characterized in that the processing temperatures of each section of the extruder are: 130°C, 140°C, 150°C, 130°C.
CN201310306316.9A 2013-07-20 2013-07-20 A kind of close electric type bio-carrier and preparation method thereof Active CN103420490B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310306316.9A CN103420490B (en) 2013-07-20 2013-07-20 A kind of close electric type bio-carrier and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310306316.9A CN103420490B (en) 2013-07-20 2013-07-20 A kind of close electric type bio-carrier and preparation method thereof

Publications (2)

Publication Number Publication Date
CN103420490A CN103420490A (en) 2013-12-04
CN103420490B true CN103420490B (en) 2015-10-28

Family

ID=49645932

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310306316.9A Active CN103420490B (en) 2013-07-20 2013-07-20 A kind of close electric type bio-carrier and preparation method thereof

Country Status (1)

Country Link
CN (1) CN103420490B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104860390A (en) * 2015-05-15 2015-08-26 大连宇都环境技术材料有限公司 Hydrophilic biological carrier for wastewater treatment
CN104909465A (en) * 2015-05-15 2015-09-16 大连宇都环境技术材料有限公司 Modified biological carrier used for waste water processing
EP3695955B1 (en) 2017-11-17 2021-08-11 Dalian University of Technology Method for preparing biofilm carriers for fixing biomass charcoal by using thermoplastic resin
CN107953569B (en) * 2017-11-17 2021-04-27 大连理工大学 A kind of biological carrier preparation method of thermoplastic resin immobilized biomass charcoal
WO2019148503A1 (en) * 2018-02-05 2019-08-08 大连理工大学 Electron donor-type biological carrier and preparation method therefor
CN108178338A (en) * 2018-02-05 2018-06-19 大连理工大学 A kind of electron donor type bio-carrier and preparation method thereof
CN109607759A (en) * 2018-12-18 2019-04-12 四川省科学城天人环保有限公司 A kind of modification biological film filler and preparation method thereof for sewage treatment
CN110092464B (en) * 2019-04-12 2021-07-16 大连理工大学 A wastewater-enhanced nitrification process based on zeolite-modified macromolecule suspended biological carrier
CN110642392A (en) * 2019-10-19 2020-01-03 闽南师范大学 Oyster shell-based water body purification biological agent and preparation method thereof
CN112520839A (en) * 2020-12-23 2021-03-19 内蒙古科技大学 Magnetic electrophilic suspended biological carrier and preparation method thereof
CN113354253B (en) * 2021-07-19 2022-11-01 北京建筑大学 A kind of flocculation material and its preparation method and application

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1824614A (en) * 2005-02-23 2006-08-30 徐梦新 Carrier for treating effluent, waste water and its treatment method
CN101284694A (en) * 2007-04-15 2008-10-15 于春荣 Hydrophilic active biological film suspend carrier and method for making the same
CN101462790A (en) * 2009-01-12 2009-06-24 苏州嘉净水处理设备有限公司 Modified bio-filter stuffing
KR100991970B1 (en) * 2009-10-21 2010-11-04 이동민 Advanced treatment process moving bio-media

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1824614A (en) * 2005-02-23 2006-08-30 徐梦新 Carrier for treating effluent, waste water and its treatment method
CN101284694A (en) * 2007-04-15 2008-10-15 于春荣 Hydrophilic active biological film suspend carrier and method for making the same
CN101462790A (en) * 2009-01-12 2009-06-24 苏州嘉净水处理设备有限公司 Modified bio-filter stuffing
KR100991970B1 (en) * 2009-10-21 2010-11-04 이동민 Advanced treatment process moving bio-media

Also Published As

Publication number Publication date
CN103420490A (en) 2013-12-04

Similar Documents

Publication Publication Date Title
CN103420490B (en) A kind of close electric type bio-carrier and preparation method thereof
CN104828928B (en) A kind of preparation method of nitrogen and phosphorus removal bio filter
CN102583703B (en) Magnetic microorganism carrier prepared from biomass waste and application thereof
CN105347513B (en) A kind of preparation method and applications of probiotics
US10577267B2 (en) Fast biofilm formation method for organic filler during treatment of sewage with low C/N ratio
CN103951044B (en) A kind of non-sintered rapid biofilm biologic packing material and preparation method thereof
CN104261553A (en) Magnetic fly ash ceramsite and preparation method thereof
CN103288164A (en) A method for synchronous nitrogen and phosphorus removal in sewage by combining modified zeolite and modified eggshell
CN101717154B (en) Complex biological growth promoter used for recovering river bottom sediment
CN107117788A (en) Strengthen the method for excess sludge methane phase
CN105481103A (en) Refuse recycled novel biological aggregate special for wet land and preparation method thereof
CN102206003B (en) Preparation method of modified pumice packing for purifying sewage
CN110835172A (en) Method for preparing eutrophic water body remediation material by using decolored waste soil
CN114524525A (en) Efficient multifunctional micro-electrolysis composite filler and preparation method and application thereof
CN106882909B (en) Environment-friendly process for treating xanthan gum fermentation wastewater
CN104787888A (en) BAF (biological aerated filter) and sewage treatment method using same
CN204079731U (en) Creeping bed
CN103936155B (en) A kind of method utilizing montmorillonite to improve sewage water denitrification ability
CN105647903A (en) Microbial immobilization particles for water treatment and preparation method of particles
KR100310877B1 (en) Ceramic Carrier and its Manufacturing Method
CN105731636A (en) Method for rapidly cultivating aerobic granular sludge
CN110803761A (en) Preparation method for producing suspended biological filler by using low-quality ferromanganese ore
CN108178279A (en) A kind of method for treating water of carbon-based synergist concerted catalysis persulfate
CN104151659B (en) reclaimed rubber and preparation method thereof
CN107651812B (en) Advanced sewage treatment process

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant