CN110563103A - high-efficiency coagulation adsorption water treatment agent and preparation method and inspection method thereof - Google Patents
high-efficiency coagulation adsorption water treatment agent and preparation method and inspection method thereof Download PDFInfo
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- CN110563103A CN110563103A CN201910649995.7A CN201910649995A CN110563103A CN 110563103 A CN110563103 A CN 110563103A CN 201910649995 A CN201910649995 A CN 201910649995A CN 110563103 A CN110563103 A CN 110563103A
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
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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
- C02F2101/105—Phosphorus 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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
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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
- C02F2101/20—Heavy metals or heavy metal 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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
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- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Sorption (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
the invention belongs to the technical field of black and odorous water body treatment, and particularly relates to a high-efficiency coagulation and adsorption water treatment agent which comprises the following raw materials in percentage by weight: 45-55% of polyaluminium chloride, 15-20% of polymeric ferric salt, 20-25% of zeolite powder with 200 meshes, 2-5% of a phosphorus locking agent, 1-3% of a heavy metal remover and 1-2% of a coagulant aid. The invention has the functions of coagulating sedimentation, heavy metal removal, phosphorus removal, adsorption denitrification, organic matter reduction and decoloration, can well treat black and odorous water, and has the advantages of low cost for treating ton water, good effluent quality, simple use and high waste removal efficiency.
Description
Technical Field
The invention belongs to the technical field of black and odorous water body treatment, and particularly relates to an efficient coagulation and adsorption water treatment agent, and a preparation method and a detection method thereof.
Background
Since 2016, 1861 black and odorous water bodies including 1595 rivers and 266 ponds were discovered in China. Analyzing according to the actual distribution status of all black and odorous water bodies: 1197 water bodies in the southern area of China are covered, 664 water bodies are in the northern area, and the basic current situation of 'more south and less north' is obviously presented. From the actual distribution situation of each province, black and odorous water bodies in economically developed areas such as Guangdong, Shandong, Anhui, Henan, Jiangsu, Hubei and Hunan are the main distribution areas.
The fixed water quantity of the treated river area of the black and odorous water body of the river channel is large, the mobility is strong, and the treatment difficulty is large compared with that of a medicament. How to economically and effectively remove pollutants in the river in a short time, eliminate black and odorous river channels and reduce environmental pollution is an important problem in the current environment-friendly basin governing industry.
Most water treatment agents among the prior art can only handle to one kind or two kinds of pollutants, and the function is comparatively single, and the treatment effect is general, and some costs are higher moreover, do not possess the value of using widely, to the improvement of the black and odorous water body in river course and the improvement mark engineering of municipal tail water, provide a high-efficient water treatment agent, convenient, economy, effect ideal.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides the efficient coagulation adsorption water treatment agent which has the functions of coagulating sedimentation, heavy metal removal, phosphorus removal, adsorption nitrogen removal, organic matter reduction and decoloration, can well treat black and odorous water, and has the advantages of low cost for treating ton water, good effluent quality, simplicity in use and high waste removal efficiency, and the preparation method and the inspection method thereof.
The technical scheme of the invention is as follows: an efficient coagulation adsorption water treatment agent comprises the following raw materials in percentage by weight: 45-55% of polyaluminium chloride, 15-20% of polymeric ferric salt, 20-25% of zeolite powder with 200 meshes, 2-5% of a phosphorus locking agent, 1-3% of a heavy metal remover and 1-2% of a coagulant aid.
preferably, the efficient coagulation and adsorption water treatment agent comprises the following raw materials in percentage by weight: 45% of polyaluminium chloride, 20% of polymeric ferric salt, 200-mesh 25% of zeolite powder, 5% of a phosphorus locking agent, 3% of a heavy metal remover and 2% of a coagulant aid.
Preferably, the efficient coagulation and adsorption water treatment agent comprises the following raw materials in percentage by weight: 50% of polyaluminium chloride, 15% of polymeric ferric salt, 200-mesh 25% of zeolite powder, 5% of a phosphorus locking agent, 3% of a heavy metal remover and 2% of a coagulant aid.
Preferably, the efficient coagulation and adsorption water treatment agent comprises the following raw materials in percentage by weight: 55% of polyaluminium chloride, 15% of polymeric ferric salt, 200-mesh 20% of zeolite powder, 5% of a phosphorus locking agent, 3% of a heavy metal remover and 2% of a coagulant aid.
Preferably, the efficient coagulation and adsorption water treatment agent comprises the following raw materials in percentage by weight: 50% of polyaluminium chloride, 20% of polymeric ferric salt, 200-mesh 20% of zeolite powder, 5% of a phosphorus locking agent, 3% of a heavy metal remover and 2% of a coagulant aid.
a preparation method of an efficient coagulation and adsorption water treatment agent comprises the following steps:
1) Weighing polyaluminium chloride, polymeric ferric salt, zeolite powder of 200 meshes, a phosphorus locking agent, a heavy metal remover and a coagulant aid according to the formula ratio, and putting into a sealed container;
2) Uniformly stirring all the raw materials in the container by using a stirring device;
3) Putting the mixture of the raw materials obtained in the last step into a pulverizer to pulverize so that the finished product is in a fine powder shape;
4) and packaging after the inspection is qualified.
a method for testing an efficient coagulation adsorption water treatment agent comprises the following steps:
1) Taking a proper amount of black and odorous river water, and measuring the following indexes of the river water: dissolved oxygen, ammonia nitrogen value, transparency, oxidation-reduction potential, COD and total phosphorus are recorded;
2) Adding the prepared water treatment agent into the river water in a beaker for fully stirring;
3) during the stirring process, attention is paid to observing the formation process of alum floc;
4) stopping stirring, standing for precipitation for 10min, extracting supernatant in the beaker by using an injection tube, and simultaneously measuring the values of dissolved oxygen, ammonia nitrogen, transparency, oxidation-reduction potential, COD (chemical oxygen demand) and total phosphorus in the supernatant, and recording the values;
5) Comparing each index measured in the step 4) with each index measured in the step 1 to obtain a result.
Preferably, the stirring manner in the step 2) is as follows: rapidly stirring for 300r/min and 0.5 min; stirring at medium speed for 150min and 5 min; stirring at a slow speed of 70r/min for 10 min.
Preferably, the volume of the beaker in the step 2) is 500ml, and the volume of the injection cylinder in the step 4) is 50 ml.
the invention has the following functions:
1. coagulating sedimentation: small particle substances in water can be effectively gathered together, and the concentration of suspended matters in water is reduced;
2. Heavy metal removal: the heavy metal substances in the black and odorous water body are treated to achieve the effect of heavy metal precipitation;
3. and (3) dephosphorization: can effectively generate chemical reaction with phosphate radical ions to generate precipitates and can solidify phosphorus in the bottom mud of the river so as to achieve the aim of removing phosphorus;
4. adsorption denitrification: the concentration of ammonia nitrogen in water can be effectively reduced;
5. and (3) reducing organic matters: part of organic matters can be reduced after flocculation and sedimentation;
6. Decoloring effect: the chroma of the black and odorous water body is reduced through the flocculation and precipitation effects on non-ferrous metal ions and partial organic matters;
the invention has the beneficial effects that: the cost for treating ton water is low, the quality of effluent is good, the use is simple, the waste removing efficiency is high, and the agent is an excellent multi-effect agent for treating black and odorous river channels.
Detailed Description
The present invention is further illustrated by the following examples, which are not intended to limit the scope of the invention.
Example 1
The efficient water treatment agent comprises the following raw materials in percentage by weight: 45% of polyaluminium chloride, 20% of polymeric ferric salt, 200-mesh 25% of zeolite powder, 5% of a phosphorus locking agent, 3% of a heavy metal remover and 2% of a coagulant aid.
The preparation method comprises the following steps:
s1, weighing polyaluminium chloride, polymeric ferric salt, zeolite powder of 200 meshes, a phosphorus locking agent, a heavy metal remover and a coagulant aid according to the formula ratio, and putting into a sealed container;
S2, uniformly stirring the raw materials in the container by using a stirring device;
S3, putting the mixture of the raw materials obtained in the previous step into a pulverizer to be pulverized, so that the finished product is in a fine powder shape;
And S4, packaging after the inspection is qualified.
Example 2
the efficient water treatment agent comprises the following raw materials in percentage by weight: 50% of polyaluminium chloride, 15% of polymeric ferric salt, 200-mesh 25% of zeolite powder, 5% of a phosphorus locking agent, 3% of a heavy metal remover and 2% of a coagulant aid.
The preparation method comprises the following steps:
S1, weighing polyaluminium chloride, polymeric ferric salt, zeolite powder of 200 meshes, a phosphorus locking agent, a heavy metal remover and a coagulant aid according to the formula ratio, and putting into a sealed container;
S2, uniformly stirring the raw materials in the container by using a stirring device;
S3, putting the mixture of the raw materials obtained in the previous step into a pulverizer to be pulverized, so that the finished product is in a fine powder shape;
And S4, packaging after the inspection is qualified.
example 3
the efficient water treatment agent comprises the following raw materials in percentage by weight: 55% of polyaluminium chloride, 15% of polymeric ferric salt, 200-mesh 20% of zeolite powder, 5% of a phosphorus locking agent, 3% of a heavy metal remover and 2% of a coagulant aid.
the preparation method comprises the following steps:
s1, weighing polyaluminium chloride, polymeric ferric salt, zeolite powder of 200 meshes, a phosphorus locking agent, a heavy metal remover and a coagulant aid according to the formula ratio, and putting into a sealed container;
s2, uniformly stirring the raw materials in the container by using a stirring device;
S3, putting the mixture of the raw materials obtained in the previous step into a pulverizer to be pulverized, so that the finished product is in a fine powder shape;
and S4, packaging after the inspection is qualified.
example 4
The efficient water treatment agent comprises the following raw materials in percentage by weight: 50% of polyaluminium chloride, 20% of polymeric ferric salt, 200-mesh 20% of zeolite powder, 5% of a phosphorus locking agent, 3% of a heavy metal remover and 2% of a coagulant aid.
The preparation method comprises the following steps:
S1, weighing polyaluminium chloride, polymeric ferric salt, zeolite powder of 200 meshes, a phosphorus locking agent, a heavy metal remover and a coagulant aid according to the formula ratio, and putting into a sealed container;
s2, uniformly stirring the raw materials in the container by using a stirring device;
s3, putting the mixture of the raw materials obtained in the previous step into a pulverizer to be pulverized, so that the finished product is in a fine powder shape;
And S4, packaging after the inspection is qualified.
The test methods for examples 1-4 were as follows:
1. A proper amount of black and odorous river water is taken in the experiment, and the indexes are shown in the following table 1:
| Each index | Dissolved oxygen (mg/l) | ammonia nitrogen value (mg/l) | Transparency (cm) | Oxidation-reduction potential (mv) | COD（mg/l） | total phosphorus (mg/l) |
| numerical value | 0.18 | 10.78 | 15 | -150 | 53.24 | 1.254 |
table 1 raw water index recording table
2. 400ml of raw water is respectively marked as No. one, No. two, No. three and No. four by using 4 500ml beakers.
3. The drug prepared in example 1 was added to the first beaker, the drug prepared in example 2 was added to the second beaker, the drug prepared in example 3 was added to the third beaker, and the drug prepared in example 4 was added to the fourth beaker.
4. Each beaker was stirred separately in the following manner: rapidly stirring for 300r/min and 0.5 min; stirring at medium speed for 150min and 5 min; stirring at a slow speed of 70r/min for 10 min.
5. During the stirring, the formation of alum floc was observed.
6. stirring was stopped, the mixture was allowed to settle for 10min, and then the supernatant liquid from 4 beakers was extracted with a 50ml syringe, and the dissolved oxygen, ammonia nitrogen, transparency, oxidation-reduction potential, COD and total phosphorus values of water were measured and recorded (see Table 2).
TABLE 2 record of experimental results
Comparing the indexes obtained in examples 1 to 4 with the raw water indexes to obtain that the black and odorous water bodies in examples 1 to 4 can be well treated, wherein the treatment effect of example 2 is the best, so the most preferred raw materials have the following optimal formula in percentage by weight: 50% of polyaluminium chloride, 15% of polymeric ferric salt, 200-mesh 25% of zeolite powder, 5% of a phosphorus locking agent, 3% of a heavy metal remover and 2% of a coagulant aid.
the material selecting and proportioning method is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent substitutions or changes according to the technical solution and the inventive concept of the present invention should be covered by the scope of the present invention.
Claims (9)
1. an efficient coagulation and adsorption water treatment agent is characterized in that: the formula comprises the following raw materials in percentage by weight: 45-55% of polyaluminium chloride, 15-20% of polymeric ferric salt, 20-25% of zeolite powder with 200 meshes, 2-5% of a phosphorus locking agent, 1-3% of a heavy metal remover and 1-2% of a coagulant aid.
2. the efficient coagulation adsorption water treatment agent according to claim 1, characterized in that: the formula comprises the following raw materials in percentage by weight: 45% of polyaluminium chloride, 20% of polymeric ferric salt, 200-mesh 25% of zeolite powder, 5% of a phosphorus locking agent, 3% of a heavy metal remover and 2% of a coagulant aid.
3. The efficient coagulation adsorption water treatment agent according to claim 1, characterized in that: the formula comprises the following raw materials in percentage by weight: 50% of polyaluminium chloride, 15% of polymeric ferric salt, 200-mesh 25% of zeolite powder, 5% of a phosphorus locking agent, 3% of a heavy metal remover and 2% of a coagulant aid.
4. The efficient coagulation adsorption water treatment agent according to claim 1, characterized in that: the formula comprises the following raw materials in percentage by weight: 55% of polyaluminium chloride, 15% of polymeric ferric salt, 200-mesh 20% of zeolite powder, 5% of a phosphorus locking agent, 3% of a heavy metal remover and 2% of a coagulant aid.
5. The efficient coagulation adsorption water treatment agent according to claim 1, characterized in that: the formula comprises the following raw materials in percentage by weight: 50% of polyaluminium chloride, 20% of polymeric ferric salt, 200-mesh 20% of zeolite powder, 5% of a phosphorus locking agent, 3% of a heavy metal remover and 2% of a coagulant aid.
6. The preparation method of the high-efficiency coagulation adsorption water treatment agent according to claim 1, characterized by comprising the following steps: the method comprises the following steps:
Weighing polyaluminium chloride, polymeric ferric salt, zeolite powder of 200 meshes, a phosphorus locking agent, a heavy metal remover and a coagulant aid according to the formula ratio, and putting into a sealed container;
uniformly stirring all the raw materials in the container by using a stirring device;
putting the mixture of the raw materials obtained in the last step into a pulverizer to pulverize so that the finished product is in a fine powder shape;
and packaging after the inspection is qualified.
7. The method for inspecting the high-efficiency coagulation adsorption water treatment agent according to claim 1, characterized by comprising the following steps: the method comprises the following steps:
taking a proper amount of black and odorous river water, and measuring the following indexes of the river water: dissolved oxygen, ammonia nitrogen value, transparency, oxidation-reduction potential, COD and total phosphorus are recorded;
adding the prepared water treatment agent into the river water in a beaker for fully stirring;
During the stirring process, attention is paid to observing the formation process of alum floc;
stopping stirring, standing for precipitation for 10min, extracting supernatant in the beaker by using an injection tube, and simultaneously measuring the values of dissolved oxygen, ammonia nitrogen, transparency, oxidation-reduction potential, COD (chemical oxygen demand) and total phosphorus in the supernatant, and recording the values;
comparing each index measured in the step 4) with each index measured in the step 1 to obtain a result.
8. The method for inspecting the high-efficiency coagulation adsorption water treatment agent according to claim 7, characterized in that: the stirring mode in the step 2) is as follows: rapidly stirring for 300r/min and 0.5 min; stirring at medium speed for 150min and 5 min; stirring at a slow speed of 70r/min for 10 min.
9. The method for inspecting the high-efficiency coagulation adsorption water treatment agent according to claim 7, characterized in that: the volume of the beaker in the step 2) is 500ml, and the volume of the injection cylinder in the step 4) is 50 ml.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112794416A (en) * | 2021-01-07 | 2021-05-14 | 湘潭大学 | Flocculation-adsorption reagent and method for synchronously removing turbidity, ammonia nitrogen and TP in black and odorous water body |
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| JPH10309584A (en) * | 1997-05-08 | 1998-11-24 | Astec:Kk | Flocculating, separating and recovering method using zeolite-compounded treating agent |
| US20040217326A1 (en) * | 2001-08-01 | 2004-11-04 | The Procter & Gamble Company | Water treatment compositions |
| CN1715217A (en) * | 2004-07-02 | 2006-01-04 | 桂林工学院 | Process for removing nitrogen and phosphor from sewage capable of being built by separate periods |
| CN104445558A (en) * | 2014-12-15 | 2015-03-25 | 李颖 | Super-high efficiency composite flocculant |
| CN107585918A (en) * | 2017-10-20 | 2018-01-16 | 中山市中康化工科技有限公司 | A kind of efficient water treatment agent |
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2019
- 2019-07-18 CN CN201910649995.7A patent/CN110563103A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10309584A (en) * | 1997-05-08 | 1998-11-24 | Astec:Kk | Flocculating, separating and recovering method using zeolite-compounded treating agent |
| US20040217326A1 (en) * | 2001-08-01 | 2004-11-04 | The Procter & Gamble Company | Water treatment compositions |
| CN1715217A (en) * | 2004-07-02 | 2006-01-04 | 桂林工学院 | Process for removing nitrogen and phosphor from sewage capable of being built by separate periods |
| CN104445558A (en) * | 2014-12-15 | 2015-03-25 | 李颖 | Super-high efficiency composite flocculant |
| CN107585918A (en) * | 2017-10-20 | 2018-01-16 | 中山市中康化工科技有限公司 | A kind of efficient water treatment agent |
Non-Patent Citations (1)
| Title |
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| 李望等: "《工业废水综合处理研究》", 30 June 2017, 天津科学技术出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112794416A (en) * | 2021-01-07 | 2021-05-14 | 湘潭大学 | Flocculation-adsorption reagent and method for synchronously removing turbidity, ammonia nitrogen and TP in black and odorous water body |
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Application publication date: 20191213 |