CN111960549A - Medicament for removing phosphorus element in sewage and preparation method thereof - Google Patents
Medicament for removing phosphorus element in sewage and preparation method thereof Download PDFInfo
- Publication number
- CN111960549A CN111960549A CN202010290688.7A CN202010290688A CN111960549A CN 111960549 A CN111960549 A CN 111960549A CN 202010290688 A CN202010290688 A CN 202010290688A CN 111960549 A CN111960549 A CN 111960549A
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- parts
- attapulgite
- calcium
- removing phosphorus
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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
-
- 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
- C02F2101/105—Phosphorus compounds
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- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (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
A medicament for removing phosphorus in sewage comprises the following raw materials in parts by weight: polyaluminium chloride, attapulgite, calcium polyhydroxitol, aluminum sulfate, diatomite, ferrous sulfate, sodium hypochlorite, sodium silicate and phosphate-solubilizing bacteria. A preparation method of a medicament for removing phosphorus in sewage comprises the following steps: s1, naturally drying the attapulgite, and then frying; s2, soaking the fried attapulgite in hydrofluoric acid solution, and then washing with water; s3, drying the treated attapulgite, and then mixing the attapulgite with polyaluminium chloride and calcium polyhydroxitol according to a weight ratio of 1: 3 soaking the prepared solution for 2 hours, oscillating the solution by using ultrasonic waves in the soaking process, and drying the attapulgite to obtain the modified attapulgite. Preferably, the frying temperature of the attapulgite in the step S1 is controlled at 300-450 ℃, and the frying time is 20 min. Preferably, the concentration of the hydrofluoric acid solution in the step S2 is 15%.
Description
Technical Field
The invention relates to the field of environmental protection, in particular to a medicament for removing phosphorus in sewage and a preparation method thereof.
Background
Domestic sewage is mainly various detergents and sewage, garbage, excrement and the like used in urban life, is mostly nontoxic inorganic salts, and contains more nitrogen, phosphorus and sulfur and more pathogenic bacteria. Especially, in recent years, due to the wide use of detergents, the phosphorus content in domestic sewage is high, and the phosphorus content in wastewater is high, so that serious pollution is caused, therefore, treatment is needed before discharge, the phosphorus content in wastewater is reduced, aluminum salt is mostly and directly used for treatment at present, but the addition of the aluminum salt is not easy to control, and the treatment effect cannot meet the requirement of direct discharge.
Disclosure of Invention
The present invention aims to overcome the above-mentioned shortcomings and provide a technical solution to solve the above-mentioned problems.
A medicament for removing phosphorus in sewage comprises the following raw materials in parts by weight: 20-35 parts of polyaluminum chloride, 5-10 parts of attapulgite, 30-40 parts of calcium polyhydroxitol, 1-6 parts of aluminum sulfate, 20-30 parts of diatomite, 5-10 parts of ferrous sulfate, 15-25 parts of sodium hypochlorite, 5-15 parts of sodium silicate and 2-4 parts of phosphate-solubilizing bacteria.
A preparation method of a medicament for removing phosphorus in sewage comprises the following steps:
s1, naturally drying the attapulgite, and then frying;
s2, soaking the attapulgite fried in the step S1 in hydrofluoric acid solution, and then washing with water;
s3, drying the attapulgite treated in the step S2, and then mixing the attapulgite with polyaluminium chloride and calcium polyhydrophenetol in a weight ratio of 1: 3 soaking the prepared solution for 2 hours, oscillating the solution by using ultrasonic waves in the soaking process, and drying the attapulgite to obtain the modified attapulgite.
Preferably, the frying temperature of the attapulgite in the step S1 is controlled at 300-450 ℃, and the frying time is 20 min.
Preferably, the concentration of the hydrofluoric acid solution in the step S2 is 15%.
Compared with the prior art, the invention has the beneficial effects that:
the phosphorus removal agent provided by the invention has the advantages that the phosphorus removal effect is greatly improved after compounding, and the phosphorus content of the treated sewage can reach or be lower than the national standard.
The phosphorus-dissolving bacteria are added into the raw materials, so that substances containing phosphorus elements can be decomposed, and the treatment process is accelerated.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.
The terms first, second and the like in the description and in the claims, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments described herein are capable of operation in sequences other than those described. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Example one
In the embodiment of the invention, a medicament for removing phosphorus in sewage comprises the following raw materials in parts by weight: 20-35 parts of polyaluminum chloride, 5-10 parts of attapulgite, 30-40 parts of calcium polyhydroxitol, 1-6 parts of aluminum sulfate, 20-30 parts of diatomite, 5-10 parts of ferrous sulfate, 15-25 parts of sodium hypochlorite, 5-15 parts of sodium silicate and 2-4 parts of phosphate-solubilizing bacteria.
A preparation method of a medicament for removing phosphorus in sewage comprises the following steps:
s1, naturally drying the attapulgite, and then frying;
s2, soaking the attapulgite fried in the step S1 in hydrofluoric acid solution, and then washing with water;
s3, drying the attapulgite treated in the step S2, and then mixing the attapulgite with polyaluminium chloride and calcium polyhydrophenetol in a weight ratio of 1: 3 soaking the prepared solution for 2 hours, oscillating the solution by using ultrasonic waves in the soaking process, and drying the attapulgite to obtain the modified attapulgite.
Preferably, the frying temperature of the attapulgite in the step S1 is controlled at 300-450 ℃, and the frying time is 20 min.
Preferably, the concentration of the hydrofluoric acid solution in the step S2 is 15%.
The phosphorus removal effect of the medicament produced by the method can be improved by 50-60 times after modification treatment.
Example two
In the embodiment of the invention, a medicament for removing phosphorus in sewage comprises the following raw materials in parts by weight: 20 parts of polyaluminium chloride, 5 parts of attapulgite, 30 parts of calcium dofenate, 1 part of aluminum sulfate, 20 parts of diatomite, 5 parts of ferrous sulfate, 15 parts of sodium hypochlorite, 5 parts of sodium silicate and 2 parts of phosphate solubilizing bacteria.
EXAMPLE III
In the embodiment of the invention, a medicament for removing phosphorus in sewage comprises the following raw materials in parts by weight: 25 parts of polyaluminum chloride, 7 parts of attapulgite, 35 parts of calcium dofenate, 4 parts of aluminum sulfate, 25 parts of diatomite, 7 parts of ferrous sulfate, 20 parts of sodium hypochlorite, 10 parts of sodium silicate and 3 parts of phosphate solubilizing bacteria.
Example four
In the embodiment of the invention, a medicament for removing phosphorus in sewage comprises the following raw materials in parts by weight: 35 parts of polyaluminium chloride, 10 parts of attapulgite, 40 parts of calcium dofenate, 6 parts of aluminum sulfate, 30 parts of diatomite, 10 parts of ferrous sulfate, 25 parts of sodium hypochlorite, 15 parts of sodium silicate and 4 parts of phosphate solubilizing bacteria.
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.
Claims (7)
1. A medicament for removing phosphorus in sewage comprises the following raw materials in parts by weight: 20-35 parts of polyaluminum chloride, 5-10 parts of attapulgite, 30-40 parts of calcium polyhydroxitol, 1-6 parts of aluminum sulfate, 20-30 parts of diatomite, 5-10 parts of ferrous sulfate, 15-25 parts of sodium hypochlorite, 5-15 parts of sodium silicate and 2-4 parts of phosphate-solubilizing bacteria.
2. The agent for removing phosphorus in sewage according to claim 1, comprising the following raw materials in parts by weight: 20 parts of polyaluminium chloride, 5 parts of attapulgite, 30 parts of calcium dofenate, 1 part of aluminum sulfate, 20 parts of diatomite, 5 parts of ferrous sulfate, 15 parts of sodium hypochlorite, 5 parts of sodium silicate and 2 parts of phosphate solubilizing bacteria.
3. The agent for removing phosphorus in sewage according to claim 1, comprising the following raw materials in parts by weight: 25 parts of polyaluminum chloride, 7 parts of attapulgite, 35 parts of calcium dofenate, 4 parts of aluminum sulfate, 25 parts of diatomite, 7 parts of ferrous sulfate, 20 parts of sodium hypochlorite, 10 parts of sodium silicate and 3 parts of phosphate solubilizing bacteria.
4. The agent for removing phosphorus in sewage according to claim 1, comprising the following raw materials in parts by weight: 35 parts of polyaluminium chloride, 10 parts of attapulgite, 40 parts of calcium dofenate, 6 parts of aluminum sulfate, 30 parts of diatomite, 10 parts of ferrous sulfate, 25 parts of sodium hypochlorite, 15 parts of sodium silicate and 4 parts of phosphate solubilizing bacteria.
5. A preparation method of a medicament for removing phosphorus in sewage comprises the following steps:
s1, naturally drying the attapulgite, and then frying;
s2, soaking the attapulgite fried in the step S1 in hydrofluoric acid solution, and then washing with water;
s3, drying the attapulgite treated in the step S2, and then mixing the attapulgite with polyaluminium chloride and calcium polyhydrophenetol in a weight ratio of 1: 3 soaking the prepared solution for 2 hours, oscillating the solution by using ultrasonic waves in the soaking process, and drying the attapulgite to obtain the modified attapulgite.
6. The method as claimed in claim 1, wherein the temperature for parching attapulgite at S1 is controlled at 450 deg.C and 20 min.
7. The method as claimed in claim 1, wherein the concentration of the hydrofluoric acid solution in step S2 is 15%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010290688.7A CN111960549A (en) | 2020-04-14 | 2020-04-14 | Medicament for removing phosphorus element in sewage and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010290688.7A CN111960549A (en) | 2020-04-14 | 2020-04-14 | Medicament for removing phosphorus element in sewage and preparation method thereof |
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| CN111960549A true CN111960549A (en) | 2020-11-20 |
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Citations (6)
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|---|---|---|---|---|
| CN103626276A (en) * | 2013-12-12 | 2014-03-12 | 杭州一清环保工程有限公司 | Compound phosphorus removing agent for phosphorus wastewater and application method of compound phosphorus removing agent |
| CN106430504A (en) * | 2016-08-23 | 2017-02-22 | 安徽兴安电气设备股份有限公司 | Domestic sewage phosphate removing agent |
| CN107459148A (en) * | 2017-09-08 | 2017-12-12 | 郭迎庆 | A kind of preparation method of biochemical composite dephosphorizing agent |
| CN108314163A (en) * | 2018-04-20 | 2018-07-24 | 东莞市顶盛环保科技有限公司 | A kind of efficient dephosphorization agent |
| CN109251880A (en) * | 2018-11-26 | 2019-01-22 | 广东中绿园林集团有限公司 | A kind of Bacillus cereus and its application in improvement water systems'phosphorus pollution |
| CN109809547A (en) * | 2019-02-28 | 2019-05-28 | 长沙埃比林环保科技有限公司 | A kind of phosphorus-containing wastewater inorganic agent |
-
2020
- 2020-04-14 CN CN202010290688.7A patent/CN111960549A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103626276A (en) * | 2013-12-12 | 2014-03-12 | 杭州一清环保工程有限公司 | Compound phosphorus removing agent for phosphorus wastewater and application method of compound phosphorus removing agent |
| CN106430504A (en) * | 2016-08-23 | 2017-02-22 | 安徽兴安电气设备股份有限公司 | Domestic sewage phosphate removing agent |
| CN107459148A (en) * | 2017-09-08 | 2017-12-12 | 郭迎庆 | A kind of preparation method of biochemical composite dephosphorizing agent |
| CN108314163A (en) * | 2018-04-20 | 2018-07-24 | 东莞市顶盛环保科技有限公司 | A kind of efficient dephosphorization agent |
| CN109251880A (en) * | 2018-11-26 | 2019-01-22 | 广东中绿园林集团有限公司 | A kind of Bacillus cereus and its application in improvement water systems'phosphorus pollution |
| CN109809547A (en) * | 2019-02-28 | 2019-05-28 | 长沙埃比林环保科技有限公司 | A kind of phosphorus-containing wastewater inorganic agent |
Non-Patent Citations (1)
| Title |
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| 马放 等: "《环境生物制剂的开发与应用》", 30 April 2004, 化学工业出版社 * |
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Application publication date: 20201120 |