CN105396565A - Preparation method of epoxy resin embedded nitrobacterium high-concentration ammonia nitrogen wastewater adsorbent - Google Patents
Preparation method of epoxy resin embedded nitrobacterium high-concentration ammonia nitrogen wastewater adsorbent Download PDFInfo
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- CN105396565A CN105396565A CN201510992885.2A CN201510992885A CN105396565A CN 105396565 A CN105396565 A CN 105396565A CN 201510992885 A CN201510992885 A CN 201510992885A CN 105396565 A CN105396565 A CN 105396565A
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- epoxy resin
- nitrobacteria
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- adsorbent
- ammonia nitrogen
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/26—Synthetic macromolecular compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
Abstract
The invention relates to a preparation method of an epoxy resin embedded nitrobacterium high-concentration ammonia nitrogen wastewater adsorbent, and belongs to the field of adsorbent preparation. The epoxy resin embedded nitrobacterium high-concentration ammonia nitrogen wastewater adsorbent prepared in the invention, adopting epoxy resin coated nitrobacteria as an ammonia nitrogen wastewater adsorbent, prolongs the retention time of nitrobacteria in a system, so the ammonia nitrogen wastewater treatment efficiency is improved.
Description
Technical field
The present invention relates to a kind of preparation method of epoxy resin embedding nitrobacteria high-concentration ammonia nitrogenous wastewater adsorbent, belong to absorbent preparation field.
Background technology
Nitrobacteria is the microorganism of the inorganic autotrophic type of showing as energy found the earliest in history, they can be nitrite mineralized nitrogen by nitrification, be nitrate Nitrite transformation further again, in nature Nitrogen Cycling, play very important effect.At present, ammonia all can not be direct oxidation into nitrate by inorganic autotrophic type nitrobacteria by known change.The result of the bacterium continuous action that two classes are different that to be the process of nitrate nitrogen by ammonium oxidation be.One class is ammonia oxidation bacteria, namely nitrite bacteria comprises nitrous acid zygosaccharomyces, nitrous acid Helicobacterium, nitrous acid Coccus etc., they mineralized nitrogen be nitrite another kind of be nitrite-oxidizing bacterium, namely nitrate bacteria comprises nitric acid Bacillus, nitric acid Spirillum and nitric acid Coccus etc., and nitrite-oxidizing is nitrate by they.Nitrite bacteria and these two physiology subgroups of nitrate bacteria very single-minded to the requirement of substrate, nitrite bacteria is using ammonia as the energy, and nitrate bacteria is using nitrite as the energy.Therefore, people are divided into two subgroup nitrite bacterias and nitrate bacteria nitrobacteria always for a long time, this two bacterioid all belongs to Nitrobacteraceae, the energy that oxidizing process discharges can be utilized, make to synthesize cell organic substance, to dissolved oxygen, temperature, etc. the reacting condition of extraneous factor sensitive, be subject to the impact of external environment.
Nitrogen is the one of the chief elements causing Water Eutrophication to pollute.Microorganism removes ammonia nitrogen need through aerobic nitrification, two stages of anaerobic/anoxic denitrification.The growth rate of nitrifier, denitrifier is slow, wants to improve clearance, must have the longer time of staying and higher bacterial concentration.NH_3-N treating technique in traditional wastewater is generally increase the quantity of nitrifier in mud age by improving mud, but hydraulic detention time restriction mud age, and be difficult to extend the nitrifier time of staying in systems in which, ammonia nitrogen can not effectively be removed.Immobilized microorganism technology achieves being separated of hydraulic detention time and the biological time of staying, achieve the biological time of staying of endless, for poky nitrobacteria provides a kind of good retention method, add its concentration in treating apparatus, improve waste water treatment efficiency.
Summary of the invention
The technical problem that the present invention mainly solves: be generally the quantity increasing nitrifier in mud by improving mud age for the NH_3-N treating technique in current traditional wastewater, but hydraulic detention time restriction mud age, be difficult to extend the nitrifier time of staying in systems in which, ammonia nitrogen can not obtain the effective defect removed, provide a kind of preparation method of epoxy resin embedding nitrobacteria high-concentration ammonia nitrogenous wastewater adsorbent, the coated nitrobacteria of the method epoxy resin is as ammonia nitrogen waste water adsorbent, extend the nitrifier time of staying in systems in which, ammonia nitrogen waste water treatment effeciency is improved.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is:
(1) take 50 ~ 100g silica flour and put into stainless steel ball grinding machine, add zirconia ball milling pearl ball-milling treatment 5 ~ 7h, for 1:2, the silica flour after ball milling and titanium dioxide are mixed in mass ratio, be placed on magnetic stirrer, with the rotating speed of 300 ~ 400r/min machinery stir-activating 20 ~ 30min;
(2) mixed-powder after activation is moved in baking oven, at 105 ~ 110 DEG C, be dried to constant weight, dried powder moved in ceramic pot, adds 500 ~ 600g epoxy resin, move in oil bath pan and be heated to 150 ~ 200 DEG C, stir 15 ~ 20min and epoxy resin is melted completely;
(3) in the epoxy resin after fusing, add the diethyl amino propylamine of resin gross mass 70 ~ 80%, put into magnetic stirrer again, stirring 30 ~ 40min is carried out with the rotating speed of 400 ~ 500r/min, move into afterwards in ultrasonic disperse instrument, with the power ultrasonic of 200 ~ 300W dispersion 20 ~ 30min, supersonic frequency is 35 ~ 45KHz, obtains dispersion liquid;
(4) in the dispersion liquid in above-mentioned whipping process, add the glycerine of dispersion liquid gross mass 10 ~ 20%, continue stirring 25 ~ 35min, move in ice-water bath, at 4 ~ 6 DEG C after ice bath reaction 1 ~ 2h, obtained epoxy resin covering liquid;
(5) activated sludge in 2 ~ 3kg sewage aeration pond is got, after mud is filtered by fine-structure mesh, rinse 3 ~ 5 times with the sodium chloride solution that mass concentration is 0.9%, collect flushing liquor, be placed in agar medium, cultivate 3 ~ 5 days at 35 ~ 45 DEG C, obtain the thalline suspension being rich in nitrobacteria;
(6) obtained suspension is dropwise instilled in epoxy resin covering liquid obtained above, be placed on magnetic stirrer, stirring 12 ~ 18h is stirred with the rotating speed of 200 ~ 300r/min, mixed liquor after stirring is put into rotary evaporator, namely a kind of epoxy resin embedding nitrobacteria high-concentration ammonia nitrogenous wastewater adsorbent is obtained after dry, pulverize with freeze dryer after concentrated by rotary evaporation.
Embody rule method of the present invention: epoxy resin embedding nitrobacteria high-concentration ammonia nitrogenous wastewater adsorbent the present invention obtained drops in ammonia nitrogen waste water treatment pond, after carrying out Air Exposure 6 ~ 12h at the bottom of pond, adsorbent and waste water are fully contacted after high-concentration ammonia nitrogenous wastewater adsorption reaction, and waste water gets final product qualified discharge.
The invention has the beneficial effects as follows: the coated nitrobacteria of the method epoxy resin, as ammonia nitrogen waste water adsorbent, extends the nitrifier time of staying in systems in which, and ammonia nitrogen waste water treatment effeciency is improved.
Detailed description of the invention
Take 50 ~ 100g silica flour and put into stainless steel ball grinding machine, add zirconia ball milling pearl ball-milling treatment 5 ~ 7h, for 1:2, the silica flour after ball milling and titanium dioxide are mixed in mass ratio, be placed on magnetic stirrer, with the rotating speed of 300 ~ 400r/min machinery stir-activating 20 ~ 30min; Mixed-powder after activation is moved in baking oven, at 105 ~ 110 DEG C, be dried to constant weight, dried powder moved in ceramic pot, adds 500 ~ 600g epoxy resin, move in oil bath pan and be heated to 150 ~ 200 DEG C, stir 15 ~ 20min and epoxy resin is melted completely; The diethyl amino propylamine of resin gross mass 70 ~ 80% is added in the epoxy resin after fusing, put into magnetic stirrer again, stirring 30 ~ 40min is carried out with the rotating speed of 400 ~ 500r/min, move into afterwards in ultrasonic disperse instrument, with the power ultrasonic of 200 ~ 300W dispersion 20 ~ 30min, supersonic frequency is 35 ~ 45KHz, obtains dispersion liquid; In the dispersion liquid in above-mentioned whipping process, add the glycerine of dispersion liquid gross mass 10 ~ 20%, continue stirring 25 ~ 35min, move in ice-water bath, at 4 ~ 6 DEG C after ice bath reaction 1 ~ 2h, obtained epoxy resin covering liquid; Get the activated sludge in 2 ~ 3kg sewage aeration pond, after mud is filtered by fine-structure mesh, rinse 3 ~ 5 times with the sodium chloride solution that mass concentration is 0.9%, collect flushing liquor, be placed in agar medium, cultivate 3 ~ 5 days at 35 ~ 45 DEG C, obtain the thalline suspension being rich in nitrobacteria; Obtained suspension is dropwise instilled in epoxy resin covering liquid obtained above, be placed on magnetic stirrer, stirring 12 ~ 18h is stirred with the rotating speed of 200 ~ 300r/min, mixed liquor after stirring is put into rotary evaporator, namely a kind of epoxy resin embedding nitrobacteria high-concentration ammonia nitrogenous wastewater adsorbent is obtained after dry, pulverize with freeze dryer after concentrated by rotary evaporation.
Example 1
Take 50g silica flour and put into stainless steel ball grinding machine, add zirconia ball milling pearl ball-milling treatment 5h, for 1:2, the silica flour after ball milling and titanium dioxide are mixed in mass ratio, be placed on magnetic stirrer, with the rotating speed of 300r/min machinery stir-activating 20min; Mixed-powder after activation is moved in baking oven, at 105 DEG C, is dried to constant weight, dried powder is moved in ceramic pot, adds 500g epoxy resin, move in oil bath pan and be heated to 150 DEG C, stir 15min and epoxy resin is melted completely; In the epoxy resin after fusing, add the diethyl amino propylamine of resin gross mass 70%, then put into magnetic stirrer, carry out stirring 30min with the rotating speed of 400r/min, move into afterwards in ultrasonic disperse instrument, with the power ultrasonic of 200W dispersion 20min, supersonic frequency is 35KHz, obtains dispersion liquid; In the dispersion liquid in above-mentioned whipping process, add the glycerine of dispersion liquid gross mass 10%, continue to stir 25min, move in ice-water bath, at 4 DEG C after ice bath reaction 1h, obtained epoxy resin covering liquid; Get the activated sludge in 2kg sewage aeration pond, after being filtered by fine-structure mesh by mud, rinse 3 times with the sodium chloride solution that mass concentration is 0.9%, collect flushing liquor, be placed in agar medium, cultivate 3 days at 35 DEG C, obtain the thalline suspension being rich in nitrobacteria; Obtained suspension is dropwise instilled in epoxy resin covering liquid obtained above, be placed on magnetic stirrer, 12h is stirred with the rotating speed of 200r/min, mixed liquor after stirring is put into rotary evaporator, namely a kind of epoxy resin embedding nitrobacteria high-concentration ammonia nitrogenous wastewater adsorbent is obtained after dry, pulverize with freeze dryer after concentrated by rotary evaporation.
Embody rule method of the present invention: epoxy resin embedding nitrobacteria high-concentration ammonia nitrogenous wastewater adsorbent the present invention obtained drops in ammonia nitrogen waste water treatment pond, after carrying out Air Exposure 6h at the bottom of pond, adsorbent and waste water are fully contacted after high-concentration ammonia nitrogenous wastewater adsorption reaction, and waste water gets final product qualified discharge.
Example 2
Take 80g silica flour and put into stainless steel ball grinding machine, add zirconia ball milling pearl ball-milling treatment 6h, for 1:2, the silica flour after ball milling and titanium dioxide are mixed in mass ratio, be placed on magnetic stirrer, with the rotating speed of 350r/min machinery stir-activating 20 ~ 30min; Mixed-powder after activation is moved in baking oven, at 108 DEG C, is dried to constant weight, dried powder is moved in ceramic pot, adds 550g epoxy resin, move in oil bath pan and be heated to 180 DEG C, stir 18min and epoxy resin is melted completely; In the epoxy resin after fusing, add the diethyl amino propylamine of resin gross mass 75%, then put into magnetic stirrer, carry out stirring 35min with the rotating speed of 450r/min, move into afterwards in ultrasonic disperse instrument, with the power ultrasonic of 250W dispersion 25min, supersonic frequency is 40KHz, obtains dispersion liquid; In the dispersion liquid in above-mentioned whipping process, add the glycerine of dispersion liquid gross mass 15%, continue to stir 30min, move in ice-water bath, at 5 DEG C after ice bath reaction 1h, obtained epoxy resin covering liquid; Get the activated sludge in 2kg sewage aeration pond, after being filtered by fine-structure mesh by mud, rinse 4 times with the sodium chloride solution that mass concentration is 0.9%, collect flushing liquor, be placed in agar medium, cultivate 4 days at 40 DEG C, obtain the thalline suspension being rich in nitrobacteria; Obtained suspension is dropwise instilled in epoxy resin covering liquid obtained above, be placed on magnetic stirrer, 15h is stirred with the rotating speed of 250r/min, mixed liquor after stirring is put into rotary evaporator, namely a kind of epoxy resin embedding nitrobacteria high-concentration ammonia nitrogenous wastewater adsorbent is obtained after dry, pulverize with freeze dryer after concentrated by rotary evaporation.
Embody rule method of the present invention: epoxy resin embedding nitrobacteria high-concentration ammonia nitrogenous wastewater adsorbent the present invention obtained drops in ammonia nitrogen waste water treatment pond, after carrying out Air Exposure 9h at the bottom of pond, adsorbent and waste water are fully contacted after high-concentration ammonia nitrogenous wastewater adsorption reaction, and waste water gets final product qualified discharge.
Example 3
Take 80g silica flour and put into stainless steel ball grinding machine, add zirconia ball milling pearl ball-milling treatment 6h, for 1:2, the silica flour after ball milling and titanium dioxide are mixed in mass ratio, be placed on magnetic stirrer, with the rotating speed of 350r/min machinery stir-activating 25min; Mixed-powder after activation is moved in baking oven, at 108 DEG C, is dried to constant weight, dried powder is moved in ceramic pot, adds 550g epoxy resin, move in oil bath pan and be heated to 180 DEG C, stir 18min and epoxy resin is melted completely; In the epoxy resin after fusing, add the diethyl amino propylamine of resin gross mass 75%, then put into magnetic stirrer, carry out stirring 35min with the rotating speed of 450r/min, move into afterwards in ultrasonic disperse instrument, with the power ultrasonic of 250W dispersion 25min, supersonic frequency is 40KHz, obtains dispersion liquid; In the dispersion liquid in above-mentioned whipping process, add the glycerine of dispersion liquid gross mass 15%, continue to stir 30min, move in ice-water bath, at 5 DEG C after ice bath reaction 1h, obtained epoxy resin covering liquid; Get the activated sludge in 2kg sewage aeration pond, after being filtered by fine-structure mesh by mud, rinse 5 times with the sodium chloride solution that mass concentration is 0.9%, collect flushing liquor, be placed in agar medium, cultivate 5 days at 45 DEG C, obtain the thalline suspension being rich in nitrobacteria; Obtained suspension is dropwise instilled in epoxy resin covering liquid obtained above, be placed on magnetic stirrer, 18h is stirred with the rotating speed of 300r/min, mixed liquor after stirring is put into rotary evaporator, namely a kind of epoxy resin embedding nitrobacteria high-concentration ammonia nitrogenous wastewater adsorbent is obtained after dry, pulverize with freeze dryer after concentrated by rotary evaporation.
Embody rule method of the present invention: epoxy resin embedding nitrobacteria high-concentration ammonia nitrogenous wastewater adsorbent the present invention obtained drops in ammonia nitrogen waste water treatment pond, after carrying out Air Exposure 12h at the bottom of pond, adsorbent and waste water are fully contacted after high-concentration ammonia nitrogenous wastewater adsorption reaction, and waste water gets final product qualified discharge.
Claims (1)
1. a preparation method for epoxy resin embedding nitrobacteria high-concentration ammonia nitrogenous wastewater adsorbent, is characterized in that concrete preparation process is:
(1) take 50 ~ 100g silica flour and put into stainless steel ball grinding machine, add zirconia ball milling pearl ball-milling treatment 5 ~ 7h, for 1:2, the silica flour after ball milling and titanium dioxide are mixed in mass ratio, be placed on magnetic stirrer, with the rotating speed of 300 ~ 400r/min machinery stir-activating 20 ~ 30min;
(2) mixed-powder after activation is moved in baking oven, at 105 ~ 110 DEG C, be dried to constant weight, dried powder moved in ceramic pot, adds 500 ~ 600g epoxy resin, move in oil bath pan and be heated to 150 ~ 200 DEG C, stir 15 ~ 20min and epoxy resin is melted completely;
(3) in the epoxy resin after fusing, add the diethyl amino propylamine of resin gross mass 70 ~ 80%, put into magnetic stirrer again, stirring 30 ~ 40min is carried out with the rotating speed of 400 ~ 500r/min, move into afterwards in ultrasonic disperse instrument, with the power ultrasonic of 200 ~ 300W dispersion 20 ~ 30min, supersonic frequency is 35 ~ 45KHz, obtains dispersion liquid;
(4) in the dispersion liquid in above-mentioned whipping process, add the glycerine of dispersion liquid gross mass 10 ~ 20%, continue stirring 25 ~ 35min, move in ice-water bath, at 4 ~ 6 DEG C after ice bath reaction 1 ~ 2h, obtained epoxy resin covering liquid;
(5) activated sludge in 2 ~ 3kg sewage aeration pond is got, after mud is filtered by fine-structure mesh, rinse 3 ~ 5 times with the sodium chloride solution that mass concentration is 0.9%, collect flushing liquor, be placed in agar medium, cultivate 3 ~ 5 days at 35 ~ 45 DEG C, obtain the thalline suspension being rich in nitrobacteria;
(6) obtained suspension is dropwise instilled in epoxy resin covering liquid obtained above, be placed on magnetic stirrer, stirring 12 ~ 18h is stirred with the rotating speed of 200 ~ 300r/min, mixed liquor after stirring is put into rotary evaporator, namely a kind of epoxy resin embedding nitrobacteria high-concentration ammonia nitrogenous wastewater adsorbent is obtained after dry, pulverize with freeze dryer after concentrated by rotary evaporation.
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| CN201510992885.2A CN105396565A (en) | 2015-12-25 | 2015-12-25 | Preparation method of epoxy resin embedded nitrobacterium high-concentration ammonia nitrogen wastewater adsorbent |
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| CN201510992885.2A CN105396565A (en) | 2015-12-25 | 2015-12-25 | Preparation method of epoxy resin embedded nitrobacterium high-concentration ammonia nitrogen wastewater adsorbent |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108479726A (en) * | 2018-03-16 | 2018-09-04 | 常州大学 | A kind of epoxy resin fixes the preparation method and applications of nitrobacteria microcapsules ammonia nitrogen adsorbent |
| CN114871240A (en) * | 2022-03-30 | 2022-08-09 | 湖南博一环保科技有限公司 | Electrolytic manganese filter-press residue for removing ammonia nitrogen and desulfurization as well as preparation method and application thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0699186A (en) * | 1992-09-18 | 1994-04-12 | Ngk Insulators Ltd | Production of carrier for immobilization |
| CN101812440A (en) * | 2010-01-22 | 2010-08-25 | 北京桑德环保集团有限公司 | Nitrifying bacteria vector for degrading ammonia nitrogen and preparation method thereof |
| CN103013973A (en) * | 2012-12-17 | 2013-04-03 | 常州大学 | Method for preparing aerobiotic nitrifier immobilizing vector |
| CN103011417A (en) * | 2012-11-27 | 2013-04-03 | 桑德集团有限公司 | Method for efficiently treating ammonia nitrogen sewage at low temperature |
-
2015
- 2015-12-25 CN CN201510992885.2A patent/CN105396565A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0699186A (en) * | 1992-09-18 | 1994-04-12 | Ngk Insulators Ltd | Production of carrier for immobilization |
| CN101812440A (en) * | 2010-01-22 | 2010-08-25 | 北京桑德环保集团有限公司 | Nitrifying bacteria vector for degrading ammonia nitrogen and preparation method thereof |
| CN103011417A (en) * | 2012-11-27 | 2013-04-03 | 桑德集团有限公司 | Method for efficiently treating ammonia nitrogen sewage at low temperature |
| CN103013973A (en) * | 2012-12-17 | 2013-04-03 | 常州大学 | Method for preparing aerobiotic nitrifier immobilizing vector |
Non-Patent Citations (2)
| Title |
|---|
| 吴晓磊: "废水处理中的微生物固定化技术", 《中国给水排水》 * |
| 李涛 等: "《胶黏剂职业危害分析与控制技术》", 31 March 2009 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108479726A (en) * | 2018-03-16 | 2018-09-04 | 常州大学 | A kind of epoxy resin fixes the preparation method and applications of nitrobacteria microcapsules ammonia nitrogen adsorbent |
| CN114871240A (en) * | 2022-03-30 | 2022-08-09 | 湖南博一环保科技有限公司 | Electrolytic manganese filter-press residue for removing ammonia nitrogen and desulfurization as well as preparation method and application thereof |
| CN114871240B (en) * | 2022-03-30 | 2023-05-30 | 湖南博一环保科技有限公司 | Electrolytic manganese filter pressing slag for ammonia nitrogen removal and desulfurization as well as preparation method and application thereof |
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