CN102603081B - Preparation method of degradable cellulose base filler used for water treatment - Google Patents
Preparation method of degradable cellulose base filler used for water treatment Download PDFInfo
- Publication number
- CN102603081B CN102603081B CN201210089937.1A CN201210089937A CN102603081B CN 102603081 B CN102603081 B CN 102603081B CN 201210089937 A CN201210089937 A CN 201210089937A CN 102603081 B CN102603081 B CN 102603081B
- Authority
- CN
- China
- Prior art keywords
- cellulose
- filler
- water treatment
- preparation
- dry
- 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
Links
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
Abstract
The invention relates to water treatment filler in environmental protection field, in particular to a preparation method of degradable cellulose base filler used for water treatment. The preparation method is mainly as follows: fibers are prepared by technology of N-methyl morpholine-N-oxide, the mechanical property of the filler is improved further by the cross-linking and modifying technology, simultaneously, the surface of the filler is processed to load positive charge on the surface of the filler, so that the microorganism can adhere and grow on the surface of the filler conveniently. According to the invention, the method is simple and environment-friendly, the fibers prepared by the technology of N-methyl morpholine-N-oxide is good in mechanical property, and the prepared filler is large in superficial area, high in porosity, beneficial to protecting the growth of microorganisms, good in effect during the water treatment, and high in application value, and can not cause secondary pollution.
Description
Technical field
The present invention relates to the water treatment filler of field of Environment Protection, be specifically related to the preparation method of cellulose based degradable filler for a kind of water treatment.
Background technology
Make waste water contact be grown in the lip-deep microbial film of stationary support, utilizing biological degradation or transforming Organic Pollutants in Wastewater is now conventional a kind of method of wastewater treatment, i.e. biomembrance process.Biologic packing material, as the rely medium of growth and breeding of microorganism, is the core in microbial film water technology.The filler using is at present as granulated active carbon, zeolite, quartz sand, plastics, silica gel, Ceramic Balls etc.; after discarded, remaining residue often contains a large amount of poisonous and harmful substances; or be difficult to decompose, form solid waste, easily form secondary pollution, difficult treatment.
Utilizing Biodegradable material to process waste water as biofilm carrier is a new technology, at patent CN 1765770A, the cellulose base bio-carrier of controlled degradation for a kind of water treatment is disclosed, it belongs to water treatment filler technical field, the preparation of carrier is that Mierocrystalline cellulose is obtained to Mierocrystalline cellulose viscose glue through alkalization, sulfonation, add whipping agent, in dilute acid soln, regeneration obtains cellulose-based carrier filler again; The controlled degradation modifying process of carrier is that this carrier and linking agent ethylene glycol diglycidylether is crosslinked, reaches the controllable modified object of degradation speed, with after do not produce environmental pollution.But in carrier production process, by product H
2s, CS
2deng emitting of obnoxious flavour, make fiber production complex procedures, and polluted environment.Although the fiber of producing has the operation of one washing before dry, still can residual a part of sulfocompound in fiber.Also emitting of obnoxious flavour can cause some other problem aborning, and as the bubble in fiber makes, intensity is inhomogeneous, the gathering of gas makes gelatinous fiber size that unpredictable variation occur, thereby product performance are declined.
Summary of the invention
The object of the invention is to solve the problem of rear generation secondary pollution for existing water treatment filler, provide that a kind of preparation technology is simple, environmental protection, can make the preparation method of cellulose based degradable filler for the water treatment of the degradable filler product that performance is good simultaneously.
In order to solve the problems of the technologies described above, the present invention is solved by following technical proposals:
The preparation method of cellulose based degradable filler for water treatment, comprises the steps:
Step a: cellulose materials is crushed to 500-1000 order, and every gram of Mierocrystalline cellulose powder adds 2-5ml water content 30-50% N-methyl beautiful jade-N-oxide compound, mixes;
Step b: in the uniform cellulose materials of N-methyl beautiful jade-N-oxide dissolution, in with Mierocrystalline cellulose quality than (5-20): 10 ratio adds linking agent, stir and standing 40-60min, above mixture is placed in to 40-70 ℃ of water-bath heater heats 50-240min;
Step c: control temperature is 35-40 ℃, in filamentary material after crosslinked, add again starch 2-5% in Mierocrystalline cellulose quality, Mierocrystalline cellulose quality meter microorganism 10-15%, account for the nutritive substance of microbial quality 5-10%, foaming, the cellulose wadding of moulding is dry at 45-65 ℃;
Steps d: by dry cellulose wadding, be immersed in the polymine of 15-30ml and the mixing solutions of NaOH by every gram of dry carrier, and be heated to 40-60 ℃, stir 1 hour, take out with distilled water and clean, be dried at 45-65 ℃, obtain product.
As preferably, the massfraction of the polymine in described steps d is 40-50%; The massfraction of NaOH solution is 10%.
As preferably, described linking agent is N-methylol amide amine linking agent.
As preferably, described linking agent is N hydroxymethyl acrylamide.
As preferably, described microorganism is amphimicrobe or anerobe.
As preferably, described nutritive substance be glucose, microcosmic salt, ammonium salt any.
As preferably, described cellulose materials is straw or Wheat Straw.
The present invention, owing to having adopted above technical scheme, has significant technique effect:
(1) product material Mierocrystalline cellulose of the present invention with low cost, be easy to get, production technique belongs to process for cleanly preparing, environmental friendliness;
(2) N-methyl beautiful jade-N-oxide compound has dissolution conditions gentleness, high to cellulose dissolution degree;
(3) carrier performance is good, by cross-linking modified technology, has improved support strength, and processes by the surface to filler, makes it positively charged, is more conducive to microorganism in its surface adhesion, growth;
(4) filling surface is long-pending greatly, porosity is high, is conducive to protect microbial growth, effective during water treatment, and can not cause secondary pollution.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail:
embodiment 1
1, rice straw powder is broken to 800 orders, every gram of straw powder adds 3ml water content 35%N-methyl beautiful jade-N-oxide compound (NMMOH2O), mixes;
2, in the uniform rice-straw fibre cellulosic material of N-methyl beautiful jade-N-oxide dissolution, by every gram of straw powder, add 0.5gN-n-methylolacrylamide, stir and standing 50min, above mixture is placed in to 60 ℃ of water-bath heaters heats 120min;
3, controlling temperature is being 35 ℃, in rice-straw fibre cellulosic material after crosslinked, add again 2% starch, 10% amphimicrobe of straw cellulose quality meter and the glucose of amphimicrobe massfraction 5% in straw cellulose quality, foaming, the straw cellulose filler of moulding is dry at 55 ℃.
4, dry straw cellulose filler is immersed in to the mixing solutions that 15ml concentration is 40% polymine and 10% (massfraction) NaOH by every gram of dry carrier, stirs 1 hour at 50 ℃.Taking-up is cleaned with distilled water, dry at 55 ℃.
The straw cellulose packing specific area obtaining is 2380 m2/m3, and porosity is 87%, cellulose crosslinked degree 8.62%.
embodiment 2
1, rice straw powder is broken to 800 orders, every gram of straw powder adds 3ml water content 35%N-methyl beautiful jade-N-oxide compound (NMMOH2O), mixes;
2, in the uniform straw powder of N-methyl beautiful jade-N-oxide dissolution, by every gram of straw cellulose, add 1.5gN-n-methylolacrylamide, stir and standing 50min, above mixture is placed in to 50 ℃ of water-bath heaters heats 120min;
3, controlling temperature is being 35 ℃, in rice-straw fibre cellulosic material after crosslinked, then add and using 3% starch of straw cellulose quality as 12% anerobe of caking agent, straw cellulose quality meter, account for the microcosmic salt of anerobe quality 8%, foaming, the straw filler of moulding is dry at 55 ℃.
4, dry straw cellulose filler is immersed in to 10% (massfraction) NaOH solution that 15ml concentration is 45% polymine by every gram of dry carrier, stirs 1 hour at 50 ℃.Taking-up is cleaned with distilled water, dry at 55 ℃.
The straw cellulose packing specific area obtaining is 2754 m2/m3, and porosity is 91%, cellulose crosslinked degree 10.96%.
embodiment 3
1, Wheat Straw is crushed to 800 orders, every gram of Wheat Straw powder adds 3ml water content 35%N-methyl beautiful jade-N-oxide compound (NMMOH2O), mixes;
2, in the uniform Wheat Straw of N-methyl beautiful jade-N-oxide dissolution, by every gram of Wheat Straw powder, add 2gN-n-methylolacrylamide, stir and standing 50min, above mixture is placed in to 50 ℃ of water-bath heaters heats 120min;
3, controlling temperature is being 38 ℃, in Wheat Straw powder after crosslinked, then add 4% starch in carboxymetholcel quality, 15% anerobe of carboxymetholcel quality meter, account for the ammonium salt of anerobe quality 10%, foaming, the carboxymetholcel filler of moulding is dry at 55 ℃.
4, dry carboxymetholcel filler is immersed in to 10% (massfraction) NaOH solution that 15ml concentration is 50% polymine by every gram of dry carrier, stirs 1 hour at 60 ℃.Taking-up is cleaned with distilled water, dry at 55 ℃.
The carboxymetholcel packing specific area obtaining is 2812 m2/m3, and porosity is 92%, cellulose crosslinked degree 11.34%.
In a word, the foregoing is only preferred embodiment of the present invention, all equalizations of doing according to the present patent application the scope of the claims change and modify, and all should belong to the covering scope of patent of the present invention.
Claims (5)
1. the preparation method of cellulose based degradable filler for water treatment, is characterized in that, comprises the steps:
Step a: cellulose materials is crushed to 500-1000 order, and every gram of Mierocrystalline cellulose powder adds N-methylmorpholine-N-oxide compound of 2-5ml water content 30-50%, mixes;
Step b: in the uniform cellulose materials of N-methylmorpholine-N-oxide dissolution, in with Mierocrystalline cellulose quality than (5-20): 10 ratio adds N-methylol amide amine linking agent, stir and standing 40-60min, above mixture is placed in to 40-70 ℃ of water-bath heater heats 50-240min;
Step c: control temperature is 35-40 ℃, in filamentary material after crosslinked, add again starch 2-5% in Mierocrystalline cellulose quality, Mierocrystalline cellulose quality meter microorganism 10-15%, account for the nutritive substance of microbial quality 5-10%, foaming, the cellulose wadding of moulding is dry at 45-65 ℃;
Steps d: by dry cellulose wadding, be immersed in the polymine of 15-30ml and the mixing solutions of NaOH by every gram of dry carrier, and be heated to 40-60 ℃, stir 1 hour, take out with distilled water and clean, be dried at 45-65 ℃, obtain product;
Mentioned microorganism is amphimicrobe or anerobe.
2. the preparation method of cellulose based degradable filler for water treatment according to claim 1, is characterized in that: the massfraction of the polymine in described steps d is 40-50%; The massfraction of NaOH solution is 10%.
3. the preparation method of cellulose based degradable filler for water treatment according to claim 1, is characterized in that: described linking agent is N hydroxymethyl acrylamide.
4. the preparation method of cellulose based degradable filler for water treatment according to claim 1, is characterized in that: described nutritive substance be glucose, microcosmic salt, ammonium salt any.
5. the preparation method of cellulose based degradable filler for water treatment according to claim 1, is characterized in that: described cellulose materials is straw or Wheat Straw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210089937.1A CN102603081B (en) | 2012-03-30 | 2012-03-30 | Preparation method of degradable cellulose base filler used for water treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210089937.1A CN102603081B (en) | 2012-03-30 | 2012-03-30 | Preparation method of degradable cellulose base filler used for water treatment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102603081A CN102603081A (en) | 2012-07-25 |
| CN102603081B true CN102603081B (en) | 2014-03-05 |
Family
ID=46520947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210089937.1A Active CN102603081B (en) | 2012-03-30 | 2012-03-30 | Preparation method of degradable cellulose base filler used for water treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102603081B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103466782B (en) * | 2013-09-24 | 2016-08-10 | 四川环能德美科技股份有限公司 | A kind of high-affinity bio-carrier |
| CN105585730A (en) * | 2014-11-17 | 2016-05-18 | 成都安捷宜康环保科技有限公司 | Preparation method for novel cellulose carrier |
| CN104542296B (en) * | 2015-01-16 | 2017-05-17 | 广东省农业科学院作物研究所 | Open rooting method for sugarcane tissue culture seedlings |
| CN111087068B (en) * | 2019-12-24 | 2022-03-29 | 南京公诚节能新材料研究院有限公司 | Preparation method of biological filter material for water purification treatment |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3722696B2 (en) * | 1998-03-31 | 2005-11-30 | サムソンエンジニアリングコーポレーションリミテッド | Wastewater treatment method for removal of organic matter and nitrogen |
| DE10140772A1 (en) * | 2001-08-20 | 2003-03-13 | Zimmer Ag | A process for the removal of heavy metals from heavy metal containing media using a lyocell-shaped body and Lyocell-shaped bodies with adsorbed heavy metals and their use |
| FR2845621B1 (en) * | 2002-10-10 | 2004-12-10 | Ahlstrom Research & Services | IMPROVED FILTER MEDIA AND USE OF SAID FILTER MEDIA FOR DEPOLLUTION OF LAGOONS |
| CN1562800A (en) * | 2004-04-22 | 2005-01-12 | 天津大学 | Stuffing of controllable degradative macropore cellulose for carrying microbe in use for treating wastewater and preparation |
| CN1765770A (en) * | 2005-09-06 | 2006-05-03 | 天津大学 | Degradation controllable cellulose base microbe carrier stuffing for water disposal and its preparation method |
-
2012
- 2012-03-30 CN CN201210089937.1A patent/CN102603081B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN102603081A (en) | 2012-07-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102603081B (en) | Preparation method of degradable cellulose base filler used for water treatment | |
| CN102924755B (en) | Preparation method of graphene/bacterial cellulose composite material | |
| CN101711893B (en) | Method for preparing bacterial cellulose nerve conduit | |
| CN103225133A (en) | Active carbon fiber and preparation method thereof | |
| CN104892969A (en) | Composite chitosan and cellulose membrane and preparation method and application thereof | |
| CN103721295A (en) | Method for increasing biocompatibility and mechanical property of fibroin biomaterials | |
| CN101368302A (en) | Preparation method for hollow cellulose carbon fibre | |
| CN108046409A (en) | A kind of quick startup function carbon source filler of double immobilizations and preparation method thereof | |
| CN106478963A (en) | Flaxseed gum/cellulose composite aquogel and preparation method thereof | |
| CN107759947A (en) | A kind of absorbent material and preparation method of the natural high tenacity of hydrolyzable | |
| CN103225132A (en) | Bioactive carbon fiber preparation method | |
| CN107841037A (en) | High adsorption polylactic acid composite biological membrane carrier materials and preparation method thereof | |
| CN106589469A (en) | Naturally degradable fruit nursery stock pot for gardens and preparation method of pot | |
| Yang et al. | Fabrication of stalk fiber/geopolymers-based slow-release fertilizer with agricultural waste and loess for promoting plant growth | |
| CN108660547B (en) | Lignin-based carbon nanofiber, preparation method thereof and carbon fiber electrode | |
| CN102926027A (en) | Method for preparing modified konjac glucomannan/biodegradation polyester polyblend fibers through electrostatic spinning | |
| CN104988717A (en) | Modified alveolar stone doped bioactive polylactic acid-polypropylene composite fiber carrier material and preparation method thereof | |
| CN110385147B (en) | Bagasse cellulose-nano TiO2Preparation method of composite carrier | |
| CN108211765A (en) | A kind of bamboo carbon packet with fresh air and preparation method thereof | |
| CN108485168A (en) | A kind of wine bottle stopper and its preparation process | |
| CN107162481A (en) | A kind of preparation method of diatom ooze building and ornament materials | |
| WO2024082334A1 (en) | Melt electrowriting-based carbon fiber-silk fibroin composite material for microbial culture and preparation method therefor | |
| CN107381533A (en) | A kind of waste polyvinyl chloride product reclaims the method for preparing porous charcoal again | |
| CN111892156B (en) | Porous degradable material and preparation method and application thereof | |
| CN107597068B (en) | Preparation method of deodorized sludge carbon cloth |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 310000 Xihu District, Hangzhou, Wen Wen Road No. 164, Hangzhou Institute of Commerce,, two Patentee after: ZHEJIANG SHUANGLIANG SHANGDA ENVIRONMENTAL PROTECTION Co.,Ltd. Address before: 310000 Xihu District, Hangzhou, Wen Wen Road No. 164, Hangzhou Institute of Commerce,, two Patentee before: ZHEJIANG SUNDA ENVIRONMENTAL PROTECTION Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Inside Hangzhou Business School, No.164 Wen'er Road, Xihu District, Hangzhou City, Zhejiang Province, 310000 Patentee after: Zhe JIANG Shuangliang Sunda Environment Protection Co.,Ltd. Address before: Inside Hangzhou Business School, No.164 Wen'er Road, Xihu District, Hangzhou City, Zhejiang Province, 310000 Patentee before: ZHEJIANG SHUANGLIANG SHANGDA ENVIRONMENTAL PROTECTION Co.,Ltd. |