CN103623792A - Multifunctional adsorption plate for treating nitrogen/phosphorus-deficient organic wastewater and preparation method thereof - Google Patents
Multifunctional adsorption plate for treating nitrogen/phosphorus-deficient organic wastewater and preparation method thereof Download PDFInfo
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- CN103623792A CN103623792A CN201310686382.3A CN201310686382A CN103623792A CN 103623792 A CN103623792 A CN 103623792A CN 201310686382 A CN201310686382 A CN 201310686382A CN 103623792 A CN103623792 A CN 103623792A
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Abstract
The invention discloses a multifunctional adsorption plate for treating nitrogen/phosphorus-deficient organic wastewater and a preparation method thereof. The preparation method comprises the following steps: preparing a NH4HCO3 solution, a Ca(NO3)2 solution, a (NH4)2HPO4 solution, a NaOH solution, a nitric acid solution, a urea water solution and a calcium potassium ethylenediamine tetraacetate solution into a mixed solution F; preparing urea and formalin into a mixed solution L; preparing a styrene chloroformic solution, a divinylbenzene chloroformic solution and an azodiisobutyronitrile chloroformic solution into a mixed solution M; dropwisely adding the mixed solution L into the mixed solution M to obtain a mixed solution N; dropwisely adding the mixed solution F into the mixed solution N to obtain a mixed solution O; injecting distilled water into a container filled with liquid nitrogen to prepare ice granules, screening, and compacting in a mold; and casting the mixed solution O into the mold to perform freeze molding, demolding and refrigerating to obtain the adsorption plate. The prepared multifunctional adsorption plate has the functions of slowing release of nitrogen and phosphorus and adsorbing pollutants in organic wastewater, and has high treatment efficiency for pollutants in the organic wastewater.
Description
Technical field
The invention belongs to the processing technology field of organic wastewater, particularly a kind of multifunctional ceiling attached plate and preparation method who is applied to nitrogen phosphorus disappearance treatment of Organic Wastewater.
Background technology
Adsorption-Biodegradation occupies important function as a kind of water technology of combining in the processing of sewage.The most frequently used sorbing material of absorption organic pollution can be divided into physisorption material, chemisorbed material and biological adsorption material at present.Wherein, physisorption material has active carbon, molecular sieve, zeolite, atlapulgite and clay minerals etc. to have the solid of high-specific surface area, have advantages of that eliminating efficiency is high, enrichment function is strong, but also poor, the easy desorption of existence and stability, be subject to the deficiencies such as influence of temperature change.Chemisorbed material mainly comprises silica gel, synthetic fibers, resin, utilizes the molecularly imprinted polymer of biochemistry and Polymer Synthesizing etc.Conventional biological adsorption material has broad leaved plant, the microorganism in fungi, soil and water etc.In the organic process of microbial degradation, need the participation of nitrogen and phosphorus nutrition element, in the waste water of generally enterprise discharge, the nutrient such as contained nitrogen and phosphorus cannot meet the requirement of microorganism, yet the adsorbent with slow-release nitrogen and phosphorus function can meet this requirement.But, also lack the sorbing material for nitrogen phosphorus disappearance treatment of Organic Wastewater at present.
Summary of the invention
The object of this invention is to provide a kind of multifunctional ceiling attached plate and preparation method who is applied to nitrogen phosphorus disappearance treatment of Organic Wastewater.Its concrete steps are as follows:
(1) NH that is 0.35mol/L by 100mL concentration
4hCO
3ca (the NO that solution and 100mL concentration are 0.25mol/L
3)
2solution, obtains mixed liquor A after mixing;
(2) (the NH that is 0.35mol/L by 100mL concentration
4)
2hPO
4solution is slowly added drop-wise in 200mL mixed liquor A under the condition stirring, and obtains mixed liquid B;
(3) in mixed liquid B, dropwise add dense HNO
3to clarification, obtain mixed liquor C;
(4) it is 3.5 that the hydrochloric acid solution that the NaOH solution that is 0.01mol/L by concentration and concentration are 0.01mol/L regulates the pH value of mixed liquor C, obtains mixed liquor D;
(5) to adding 100mL concentration in mixed liquor D, be the NH of 1.1mol/L
4the Cl aqueous solution, obtains mixed liquor E after mixing;
(6) to adding 50mL concentration in mixed liquor E, be the Ca-EDTA potassium solution of 0.15mol/L, after mixing, obtain mixed liquor F;
(7) aqueous solution of urea that is 47% by 60mL mass fraction is placed in 43 ℃ of water-bath constant temperature and within 35 minutes, obtains mixed liquor G; The formalin that is 33% by 10mL mass fraction is placed in 43 ℃ of water-bath constant temperature and within 35 minutes, obtains mixed liquor H;
(8) to drip the HCl solution that NaOH solution that concentration is 0.01mol/L and concentration are 0.005mol/L in mixed liquor G under 1000r/min stirring condition, making the pH value of solution is 7.2～7.4, obtains mixed liquor I;
(9) mixed liquor H is joined in mixed liquor I under 1000r/min stirring condition, be then placed in 43 ℃ of water-baths and stir 90～100 minutes under 1000r/min condition, obtain mixed liquor J;
(10) to drip the HCl solution that NaOH solution that concentration is 0.01mol/L and concentration are 0.005mol/L in mixed liquor J under 1000r/min stirring condition, the pH value that makes solution is 3.7～3.9, then be placed in 38 ℃ of water-baths and under 1000r/min condition, stir 90～100 minutes, obtain mixed liquor K;
(11) 1600mL deionized water is added drop-wise in mixed liquor K under 1000r/min stirring condition, then under 1000r/min condition, stirs 8min, obtain mixed liquor L;
(12) the azodiisobutyronitrile chloroformic solution that the divinylbenzene chloroformic solution that the styrene chloroformic solution that is 11.5% by 200mL mass fraction, 40mL mass fraction are 9.5% and 40mL mass fraction are 1.5% fully mixes, and obtains mixed liquor M;
(13) 60mL mixed liquor L is added drop-wise in mixed liquor M under 1000r/min stirring condition, then under 1000r/min condition, stirs 8min, obtain mixed liquor N;
(14) 60mL mixed liquor F is added drop-wise in mixed liquor N under 1000r/min stirring condition, then under 1000r/min condition, stirs 8min, obtain mixed liquor O;
(15) distilled water being spurted in the container that liquid nitrogen is housed to snap frozen and made ice hockey particle, is that the ice hockey particle of 50～100 μ m is stand-by with choosing grain size scope after screen cloth screening;
(16) garbled ice hockey particle in step (15) is placed in mould cavity and compacting;
(17) mixed liquor O is poured in the mould that step (16) obtains, and together puts into liquid nitrogen freeze settled 6 hours, obtain solid mixt after taking out the demoulding; After being removed to chloroform and ice hockey particle, this solid mixt vacuum freeze drying can obtain can be applicable to the multifunctional ceiling attached plate that nitrogen phosphorus lacks treatment of Organic Wastewater.
The invention has the beneficial effects as follows, manufacture craft is simple, and the multifunctional ceiling attached plate making has the function of pollutant in slow-release nitrogen phosphorus function, absorption organic wastewater, high to the pollutant treatment effeciency in organic wastewater.
The specific embodiment
The invention provides a kind of multifunctional ceiling attached plate and preparation method who is applied to nitrogen phosphorus disappearance treatment of Organic Wastewater, with an embodiment, the present invention is described below.
Embodiment 1.
The NH that is 0.35mol/L by 100mL concentration
4hCO
3ca (the NO that solution and 100mL concentration are 0.25mol/L
3)
2solution, obtains mixed liquor A after mixing; (the NH that is 0.35mol/L by 100mL concentration
4)
2hPO
4solution is slowly added drop-wise in 200mL mixed liquor A under the condition stirring, and obtains mixed liquid B; In mixed liquid B, dropwise add dense HNO
3to clarification, obtain mixed liquor C; It is 3.5 that the hydrochloric acid solution that the NaOH solution that is 0.01mol/L by concentration and concentration are 0.01mol/L regulates the pH value of mixed liquor C, obtains mixed liquor D; To adding 100mL concentration in mixed liquor D, be the NH of 1.1mol/L
4the Cl aqueous solution, obtains mixed liquor E after mixing; To adding 50mL concentration in mixed liquor E, be the Ca-EDTA potassium solution of 0.15mol/L, after mixing, obtain mixed liquor F;
The aqueous solution of urea that is 47% by 60mL mass fraction is placed in 43 ℃ of water-bath constant temperature and within 35 minutes, obtains mixed liquor G; The formalin that is 33% by 10mL mass fraction is placed in 43 ℃ of water-bath constant temperature and within 35 minutes, obtains mixed liquor H; To drip the HCl solution that NaOH solution that concentration is 0.01mol/L and concentration are 0.005mol/L in mixed liquor G under 1000r/min stirring condition, making the pH value of solution is 7.2～7.4, obtains mixed liquor I; Mixed liquor H is joined in mixed liquor I under 1000r/min stirring condition, be then placed in 43 ℃ of water-baths and under 1000r/min condition, stir 90～100 minutes, obtain mixed liquor J; To drip the HCl solution that NaOH solution that concentration is 0.01mol/L and concentration are 0.005mol/L in mixed liquor J under 1000r/min stirring condition, the pH value that makes solution is 3.7～3.9, then be placed in 38 ℃ of water-baths and under 1000r/min condition, stir 90～100 minutes, obtain mixed liquor K; 1600mL deionized water is added drop-wise in mixed liquor K under 1000r/min stirring condition, then under 1000r/min condition, stirs 8min, obtain mixed liquor L;
The azodiisobutyronitrile chloroformic solution that the divinylbenzene chloroformic solution that the styrene chloroformic solution that is 11.5% by 200mL mass fraction, 40mL mass fraction are 9.5% and 40mL mass fraction are 1.5% fully mixes, and obtains mixed liquor M;
60mL mixed liquor L is added drop-wise in mixed liquor M under 1000r/min stirring condition, then under 1000r/min condition, stirs 8min, obtain mixed liquor N;
60mL mixed liquor F is added drop-wise in mixed liquor N under 1000r/min stirring condition, then under 1000r/min condition, stirs 8min, obtain mixed liquor O;
Distilled water being spurted in the container that liquid nitrogen is housed to snap frozen and made ice hockey particle, is that the ice hockey particle of 50～100 μ m is placed in mould cavity and compacting with choosing grain size scope after screen cloth screening; Mixed liquor O is poured in mould, and together puts into liquid nitrogen freeze settled 6 hours, after the taking-up demoulding, obtain solid mixt; After being removed to chloroform and ice hockey particle, this solid mixt vacuum freeze drying can obtain being applied to the multifunctional ceiling attached plate that nitrogen phosphorus lacks treatment of Organic Wastewater.
Be that the multifunctional ceiling attached plate of using the inventive method to make has been carried out absorption and biodegradation test to petrochemical wastewater below, further illustrate the present invention.
The multifunctional ceiling attached plate of using the inventive method to make has been carried out absorption and biodegradation test to petrochemical wastewater, result shows that this multifunctional ceiling attached plate can effectively adsorb and biodegradation the pollutant in petrochemical wastewater: when influent COD is 684mg/L, the COD after processing in water outlet can be reduced to below 39mg/L.
Claims (1)
1. the multifunctional ceiling attached plate and the preparation method that are applied to nitrogen phosphorus disappearance treatment of Organic Wastewater, is characterized in that, the concrete steps of the method are as follows:
(1) NH that is 0.35mol/L by 100mL concentration
4hCO
3ca (the NO that solution and 100mL concentration are 0.25mol/L
3)
2solution, obtains mixed liquor A after mixing;
(2) (the NH that is 0.35mol/L by 100mL concentration
4)
2hPO
4solution is slowly added drop-wise in 200mL mixed liquor A under the condition stirring, and obtains mixed liquid B;
(3) in mixed liquid B, dropwise add dense HNO
3to clarification, obtain mixed liquor C;
(4) it is 3.5 that the hydrochloric acid solution that the NaOH solution that is 0.01mol/L by concentration and concentration are 0.01mol/L regulates the pH value of mixed liquor C, obtains mixed liquor D;
(5) to adding 100mL concentration in mixed liquor D, be the NH of 1.1mol/L
4the Cl aqueous solution, obtains mixed liquor E after mixing;
(6) to adding 50mL concentration in mixed liquor E, be the Ca-EDTA potassium solution of 0.15mol/L, after mixing, obtain mixed liquor F;
(7) aqueous solution of urea that is 47% by 60mL mass fraction is placed in 43 ℃ of water-bath constant temperature and within 35 minutes, obtains mixed liquor G; The formalin that is 33% by 10mL mass fraction is placed in 43 ℃ of water-bath constant temperature and within 35 minutes, obtains mixed liquor H;
(8) to drip the HCl solution that NaOH solution that concentration is 0.01mol/L and concentration are 0.005mol/L in mixed liquor G under 1000r/min stirring condition, making the pH value of solution is 7.2～7.4, obtains mixed liquor I;
(9) mixed liquor H is joined in mixed liquor I under 1000r/min stirring condition, be then placed in 43 ℃ of water-baths and stir 90～100 minutes under 1000r/min condition, obtain mixed liquor J;
(10) to drip the HCl solution that NaOH solution that concentration is 0.01mol/L and concentration are 0.005mol/L in mixed liquor J under 1000r/min stirring condition, the pH value that makes solution is 3.7～3.9, then be placed in 38 ℃ of water-baths and under 1000r/min condition, stir 90～100 minutes, obtain mixed liquor K;
(11) 1600mL deionized water is added drop-wise in mixed liquor K under 1000r/min stirring condition, then under 1000r/min condition, stirs 8min, obtain mixed liquor L;
(12) the azodiisobutyronitrile chloroformic solution that the divinylbenzene chloroformic solution that the styrene chloroformic solution that is 11.5% by 200mL mass fraction, 40mL mass fraction are 9.5% and 40mL mass fraction are 1.5% fully mixes, and obtains mixed liquor M;
(13) 60mL mixed liquor L is added drop-wise in mixed liquor M under 1000r/min stirring condition, then under 1000r/min condition, stirs 8min, obtain mixed liquor N;
(14) 60mL mixed liquor F is added drop-wise in mixed liquor N under 1000r/min stirring condition, then under 1000r/min condition, stirs 8min, obtain mixed liquor O;
(15) distilled water being spurted in the container that liquid nitrogen is housed to snap frozen and made ice hockey particle, is that the ice hockey particle of 50～100 μ m is stand-by with choosing grain size scope after screen cloth screening;
(16) garbled ice hockey particle in step (15) is placed in mould cavity and compacting;
(17) mixed liquor O is poured in the mould that step (16) obtains, and together puts into liquid nitrogen freeze settled 6 hours, obtain solid mixt after taking out the demoulding; After being removed to chloroform and ice hockey particle, this solid mixt vacuum freeze drying can obtain can be applicable to the multifunctional ceiling attached plate that nitrogen phosphorus lacks treatment of Organic Wastewater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310686382.3A CN103623792B (en) | 2013-12-12 | 2013-12-12 | Be applied to multifunctional ceiling attached plate and the preparation method of nitrogen phosphorus disappearance treatment of Organic Wastewater |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310686382.3A CN103623792B (en) | 2013-12-12 | 2013-12-12 | Be applied to multifunctional ceiling attached plate and the preparation method of nitrogen phosphorus disappearance treatment of Organic Wastewater |
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| Publication Number | Publication Date |
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| CN103623792A true CN103623792A (en) | 2014-03-12 |
| CN103623792B CN103623792B (en) | 2015-09-09 |
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Cited By (6)
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| CN106238017A (en) * | 2016-09-24 | 2016-12-21 | 北京益净环保设备科技有限公司 | Feature board for absorbing multiring aromatic hydrocarbon and preparation method thereof |
| CN106268698A (en) * | 2016-09-24 | 2017-01-04 | 北京益净环保设备科技有限公司 | Feature board for Adsorption of Pyridine and preparation method thereof |
| CN106268697A (en) * | 2016-09-24 | 2017-01-04 | 北京益净环保设备科技有限公司 | Granule adsorbent for Adsorption of Pyridine and preparation method thereof |
| CN106311180A (en) * | 2016-09-24 | 2017-01-11 | 北京益净环保设备科技有限公司 | Functional plate for pyrrole adsorption and preparation method thereof |
| CN106423094A (en) * | 2016-09-24 | 2017-02-22 | 北京益净环保设备科技有限公司 | Function board for adsorbing carbazole and preparation method thereof |
| CN106693921A (en) * | 2015-07-28 | 2017-05-24 | 江苏吉华化工有限公司 | High polymer adsorbing material for organic chemical wastewater |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106423094A (en) * | 2016-09-24 | 2017-02-22 | 北京益净环保设备科技有限公司 | Function board for adsorbing carbazole and preparation method thereof |
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| CN103623792B (en) | 2015-09-09 |
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Granted publication date: 20150909 Termination date: 20161212 |