CN114524498A - Preparation method and application of efficient nitrogen removal agent for rural domestic sewage treatment - Google Patents
Preparation method and application of efficient nitrogen removal agent for rural domestic sewage treatment Download PDFInfo
- Publication number
- CN114524498A CN114524498A CN202210008798.9A CN202210008798A CN114524498A CN 114524498 A CN114524498 A CN 114524498A CN 202210008798 A CN202210008798 A CN 202210008798A CN 114524498 A CN114524498 A CN 114524498A
- Authority
- CN
- China
- Prior art keywords
- domestic sewage
- reaction kettle
- parts
- additive
- nitrogen removal
- 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.)
- Pending
Links
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 96
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 48
- 239000010865 sewage Substances 0.000 title claims abstract description 43
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 37
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- LWIHDJKSTIGBAC-UHFFFAOYSA-K tripotassium phosphate Chemical compound [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 claims abstract description 36
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 32
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000000654 additive Substances 0.000 claims abstract description 24
- 230000000996 additive effect Effects 0.000 claims abstract description 24
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims abstract description 18
- ZKQDCIXGCQPQNV-UHFFFAOYSA-N Calcium hypochlorite Chemical compound [Ca+2].Cl[O-].Cl[O-] ZKQDCIXGCQPQNV-UHFFFAOYSA-N 0.000 claims abstract description 18
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000001110 calcium chloride Substances 0.000 claims abstract description 18
- 229910001628 calcium chloride Inorganic materials 0.000 claims abstract description 18
- 239000001768 carboxy methyl cellulose Substances 0.000 claims abstract description 18
- 229910000160 potassium phosphate Inorganic materials 0.000 claims abstract description 18
- 235000011009 potassium phosphates Nutrition 0.000 claims abstract description 18
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims abstract description 18
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims abstract description 18
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 16
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 16
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000011780 sodium chloride Substances 0.000 claims abstract description 16
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000008367 deionised water Substances 0.000 claims abstract description 13
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 13
- 229910017604 nitric acid Inorganic materials 0.000 claims abstract description 13
- 239000002202 Polyethylene glycol Substances 0.000 claims abstract description 12
- 229920001223 polyethylene glycol Polymers 0.000 claims abstract description 12
- 235000011148 calcium chloride Nutrition 0.000 claims abstract description 10
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 4
- 239000000843 powder Substances 0.000 claims description 9
- 230000035484 reaction time Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 239000006227 byproduct Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 241000894006 Bacteria Species 0.000 description 1
- 208000035473 Communicable disease Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 244000000010 microbial pathogen Species 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
-
- 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
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Sorption (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The invention relates to the technical field of domestic sewage treatment, in particular to a preparation method and application of an efficient nitrogen removal agent for rural domestic sewage treatment. The technical scheme comprises the following steps: the nitrogen removing agent comprises the following components: calcium hypochlorite, calcium chloride, polyethylene glycol, sodium carboxymethylcellulose, potassium phosphate, activated carbon, an additive and water; the additive comprises the following components: magnesium oxide, sodium chloride, nitric acid and deionized water; sequentially adding a certain amount of calcium hypochlorite, calcium chloride, sodium carboxymethylcellulose, potassium phosphate and active carbon into a reaction kettle, sequentially adding polyethylene glycol and water into the reaction kettle, and finally adding an additive. The invention has the advantages of no increase of condensed by-products while removing nitrogen and better nitrogen removal effect.
Description
Technical Field
The invention relates to the technical field of domestic sewage treatment, in particular to a preparation method and application of an efficient nitrogen removal agent for rural domestic sewage treatment.
Background
Domestic sewage is wastewater discharged in daily life of residents and mainly comes from residential buildings and public buildings, such as houses, institutions, schools, hospitals, shops, public places, industrial enterprise toilets and the like. The pollutants contained in the domestic sewage are mainly organic matters and a large number of pathogenic microorganisms. Organic matters existing in domestic sewage are extremely unstable and easily decomposed to generate offensive odor. Bacteria and pathogens propagate in large quantities by taking organic matters in domestic sewage as nutrition, and can cause epidemic of infectious diseases. Therefore, domestic sewage must be treated before being discharged.
The nitrogen in the domestic sewage needs to be removed by adding the nitrogen removal agent during the domestic sewage treatment, and the common nitrogen removal agent contains neutralized ineffective components, so that other by-products can be added during the nitrogen removal, and the sewage can be condensed after the nitrogen removal treatment.
Disclosure of Invention
The invention aims to provide a preparation method and application of an efficient nitrogen removal agent for rural domestic sewage treatment, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a preparation method of a high-efficiency nitrogen removing agent for rural domestic sewage treatment comprises a reaction kettle, wherein the nitrogen removing agent comprises the following components: calcium hypochlorite, calcium chloride, polyethylene glycol, sodium carboxymethylcellulose, potassium phosphate, activated carbon, an additive and water;
the additive comprises the following components: magnesium oxide, sodium chloride, nitric acid and deionized water;
sequentially adding a certain amount of calcium hypochlorite, calcium chloride, sodium carboxymethylcellulose, potassium phosphate and active carbon into a reaction kettle, sequentially adding polyethylene glycol and water into the reaction kettle, and finally adding an additive.
As a further scheme of the invention, 45-53 parts of calcium hypochlorite, 23-28 parts of calcium chloride, 15-19 parts of sodium carboxymethylcellulose, 14-16 parts of potassium phosphate, 2-3 parts of activated carbon and 7-13 parts of polyethylene glycol are selected.
As a further scheme of the invention, 12-16 parts of magnesium oxide, 10-15 parts of sodium chloride, 6-9 parts of nitric acid and 21-27 parts of deionized water are selected.
As a further scheme of the invention, the preparation process of the additive comprises the following steps:
s1, selecting magnesium oxide, sodium chloride, nitric acid and deionized water according to the amount, grinding the magnesium oxide and the sodium chloride into powder, and storing the materials separately;
s2, quantitatively adding magnesium oxide and sodium chloride into a reaction kettle, and then sequentially adding nitric acid and deionized water into the reaction kettle;
s3, setting the temperature of the reaction kettle between 40 ℃ and 50 ℃, setting the reaction time between 2 hours and 3 hours, and setting the internal rotation speed of the reaction kettle at 1500 revolutions;
s4, taking out the obtained additive.
As a further scheme of the invention, the preparation process of the denitrifier comprises the following steps:
s1, sequentially grinding calcium hypochlorite, calcium chloride, sodium carboxymethyl cellulose, potassium phosphate and activated carbon into powder according to the amount, and storing the powder separately;
s2, sequentially adding powdery calcium hypochlorite, calcium chloride, sodium carboxymethyl cellulose, potassium phosphate and activated carbon into a reaction kettle, mixing for 20min, and then adding an additive and water into the reaction kettle, wherein the ratio of the components of the nitrogen removal agent to the additive to the water is 5:1.5: 1;
s3, setting the temperature of the reaction kettle between 25 ℃ and 30 ℃, setting the reaction time between 2 hours and 3 hours, and setting the internal rotation speed of the reaction kettle at 1500 revolutions;
and S4, taking out the obtained nitrogen removal agent and packaging according to the amount.
An application of a high-efficiency nitrogen removing agent for rural domestic sewage treatment,
s1, selecting 100ml of domestic sewage, and adding the prepared denitrifier into a domestic sewage sample to obtain the amount of the denitrifier required by the 100ml of domestic sewage;
s2, calculating the amount of the nitrogen removal agent required by treatment according to the amount of the stored domestic sewage, and correspondingly selecting the nitrogen removal agent with corresponding amount;
s3, uniformly pouring the selected nitrogen removal agent into a domestic sewage storage device to carry out nitrogen removal treatment on the domestic sewage.
Compared with the prior art, the invention has the beneficial effects that: the nitrogen removing agent comprises 45-53 parts of calcium hypochlorite, 23-28 parts of calcium chloride, 15-19 parts of sodium carboxymethylcellulose, 14-16 parts of potassium phosphate, 2-3 parts of activated carbon and 7-13 parts of polyethylene glycol; the ratio of the nitrogen removing agent component, the additive and the water is 5:1.5: 1. The condensed by-products can not be increased while the nitrogen is removed, and the nitrogen removal effect is better.
Detailed Description
The technical solutions in the present invention will be described clearly and completely with reference to the following embodiments of the present invention, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown herein, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
The embodiment provided by the invention comprises the following steps: a preparation method of a high-efficiency nitrogen removing agent for rural domestic sewage treatment comprises a reaction kettle, wherein the nitrogen removing agent comprises the following components: calcium hypochlorite, calcium chloride, polyethylene glycol, sodium carboxymethylcellulose, potassium phosphate, activated carbon, an additive and water; 45-53 parts of calcium hypochlorite, 23-28 parts of calcium chloride, 15-19 parts of sodium carboxymethylcellulose, 14-16 parts of potassium phosphate, 2-3 parts of activated carbon and 7-13 parts of polyethylene glycol.
The additive comprises the following components: magnesium oxide, sodium chloride, nitric acid and deionized water; 12-16 parts of magnesium oxide, 10-15 parts of sodium chloride, 6-9 parts of nitric acid and 21-27 parts of deionized water.
Sequentially adding a certain amount of calcium hypochlorite, calcium chloride, sodium carboxymethylcellulose, potassium phosphate and active carbon into a reaction kettle, sequentially adding polyethylene glycol and water into the reaction kettle, and finally adding an additive.
Example 2
The embodiment provided by the invention comprises the following steps: a preparation method of a high-efficiency nitrogen removal agent for rural domestic sewage treatment comprises the following steps:
s1, selecting magnesium oxide, sodium chloride, nitric acid and deionized water according to the amount, grinding the magnesium oxide and the sodium chloride into powder, and storing the materials separately;
s2, quantitatively adding magnesium oxide and sodium chloride into a reaction kettle, and then sequentially adding nitric acid and deionized water into the reaction kettle;
s3, setting the temperature of the reaction kettle between 40 ℃ and 50 ℃, setting the reaction time between 2 hours and 3 hours, and setting the internal rotation speed of the reaction kettle at 1500 revolutions;
s4, taking out the obtained additive.
The preparation process of the nitrogen removing agent comprises the following steps:
s1, sequentially grinding calcium hypochlorite, calcium chloride, sodium carboxymethyl cellulose, potassium phosphate and activated carbon into powder according to the amount, and storing the powder separately;
s2, sequentially adding powdery calcium hypochlorite, calcium chloride, sodium carboxymethylcellulose, potassium phosphate and activated carbon into a reaction kettle, mixing for 20min, and then adding an additive and water into the reaction kettle, wherein the ratio of the nitrogen removing agent component to the additive to the water is 5:1.5: 1;
s3, setting the temperature of the reaction kettle between 25 ℃ and 30 ℃, setting the reaction time between 2 hours and 3 hours, and setting the internal rotation speed of the reaction kettle at 1500 revolutions;
and S4, taking out the obtained nitrogen removal agent and packaging according to the amount.
Example 3
The embodiment provided by the invention comprises the following steps: s1, selecting 100ml of domestic sewage, and adding the prepared denitrifier into a domestic sewage sample to obtain the amount of the denitrifier required by 100ml of domestic sewage;
s2, calculating the amount of the nitrogen removal agent required by treatment according to the amount of the stored domestic sewage, and correspondingly selecting the nitrogen removal agent with corresponding amount;
s3, uniformly pouring the selected denitrifier into a domestic sewage storage device to carry out denitrogenation treatment on the domestic sewage.
The condensed by-products can not be increased while the nitrogen is removed, and the nitrogen removal effect is better.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. A preparation method of a high-efficiency nitrogen removal agent for rural domestic sewage treatment comprises a reaction kettle, and is characterized in that: the nitrogen removing agent comprises the following components: calcium hypochlorite, calcium chloride, polyethylene glycol, sodium carboxymethylcellulose, potassium phosphate, activated carbon, an additive and water;
the additive comprises the following components: magnesium oxide, sodium chloride, nitric acid and deionized water;
sequentially adding a certain amount of calcium hypochlorite, calcium chloride, sodium carboxymethylcellulose, potassium phosphate and active carbon into a reaction kettle, sequentially adding polyethylene glycol and water into the reaction kettle, and finally adding an additive.
2. The preparation method of the high-efficiency nitrogen removing agent for rural domestic sewage treatment according to claim 1, characterized in that: 45-53 parts of calcium hypochlorite, 23-28 parts of calcium chloride, 15-19 parts of sodium carboxymethylcellulose, 14-16 parts of potassium phosphate, 2-3 parts of activated carbon and 7-13 parts of polyethylene glycol.
3. The preparation method of the high-efficiency nitrogen removing agent for rural domestic sewage treatment according to claim 1, characterized in that: 12-16 parts of magnesium oxide, 10-15 parts of sodium chloride, 6-9 parts of nitric acid and 21-27 parts of deionized water.
4. The preparation method of the high-efficiency nitrogen removing agent for rural domestic sewage treatment according to claim 1, characterized in that: the preparation process of the additive comprises the following steps:
s1, selecting magnesium oxide, sodium chloride, nitric acid and deionized water according to the amount, grinding the magnesium oxide and the sodium chloride into powder, and storing the materials separately;
s2, quantitatively adding magnesium oxide and sodium chloride into a reaction kettle, and then sequentially adding nitric acid and deionized water into the reaction kettle;
s3, setting the temperature of the reaction kettle between 40 ℃ and 50 ℃, setting the reaction time between 2 hours and 3 hours, and setting the internal rotation speed of the reaction kettle at 1500 revolutions;
s4, taking out the obtained additive.
5. The preparation method of the high-efficiency nitrogen removing agent for rural domestic sewage treatment according to claim 1, characterized in that: the preparation process of the nitrogen removing agent comprises the following steps:
s1, sequentially grinding calcium hypochlorite, calcium chloride, sodium carboxymethyl cellulose, potassium phosphate and activated carbon into powder according to the amount, and storing the powder separately;
s2, sequentially adding powdery calcium hypochlorite, calcium chloride, sodium carboxymethyl cellulose, potassium phosphate and activated carbon into a reaction kettle, mixing for 20min, and then adding an additive and water into the reaction kettle, wherein the ratio of the components of the nitrogen removal agent to the additive to the water is 5:1.5: 1;
s3, setting the temperature of the reaction kettle between 25 ℃ and 30 ℃, setting the reaction time between 2 hours and 3 hours, and setting the internal rotation speed of the reaction kettle at 1500 revolutions;
s4, taking out the obtained nitrogen removal agent and packaging according to the amount.
6. An application of a high-efficiency nitrogen removal agent for rural domestic sewage treatment is characterized in that: s1, selecting 100ml of domestic sewage, and adding the prepared denitrifier into a domestic sewage sample to obtain the amount of the denitrifier required by the 100ml of domestic sewage;
s2, calculating the amount of the denitrifier required by treatment according to the amount of the stored domestic sewage, and correspondingly selecting the corresponding amount of the denitrifier;
s3, uniformly pouring the selected nitrogen removal agent into a domestic sewage storage device to carry out nitrogen removal treatment on the domestic sewage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210008798.9A CN114524498A (en) | 2022-01-06 | 2022-01-06 | Preparation method and application of efficient nitrogen removal agent for rural domestic sewage treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210008798.9A CN114524498A (en) | 2022-01-06 | 2022-01-06 | Preparation method and application of efficient nitrogen removal agent for rural domestic sewage treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114524498A true CN114524498A (en) | 2022-05-24 |
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ID=81620439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210008798.9A Pending CN114524498A (en) | 2022-01-06 | 2022-01-06 | Preparation method and application of efficient nitrogen removal agent for rural domestic sewage treatment |
Country Status (1)
| Country | Link |
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| CN (1) | CN114524498A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1872724A (en) * | 2006-06-21 | 2006-12-06 | 哈尔滨工业大学 | Pretreatment method for wastewater of ammonia nitrogen in high density |
| CN106957070A (en) * | 2017-03-20 | 2017-07-18 | 浙江清环保工程有限公司 | A kind of rapidly and efficiently ammonia nitrogen removal agent and its preparation method and application |
| CN109516604A (en) * | 2018-12-28 | 2019-03-26 | 广州薪光合环保技术有限公司 | The sewage water treatment method of removal of ammonia and nitrogen |
| CN113087038A (en) * | 2021-04-07 | 2021-07-09 | 神美科技有限公司 | Ammonia nitrogen remover for sewage treatment |
-
2022
- 2022-01-06 CN CN202210008798.9A patent/CN114524498A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1872724A (en) * | 2006-06-21 | 2006-12-06 | 哈尔滨工业大学 | Pretreatment method for wastewater of ammonia nitrogen in high density |
| CN106957070A (en) * | 2017-03-20 | 2017-07-18 | 浙江清环保工程有限公司 | A kind of rapidly and efficiently ammonia nitrogen removal agent and its preparation method and application |
| CN109516604A (en) * | 2018-12-28 | 2019-03-26 | 广州薪光合环保技术有限公司 | The sewage water treatment method of removal of ammonia and nitrogen |
| CN113087038A (en) * | 2021-04-07 | 2021-07-09 | 神美科技有限公司 | Ammonia nitrogen remover for sewage treatment |
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