CN112250123A - Composite phosphorus removing agent for enhanced phosphorus reduction in sewage treatment and preparation technology - Google Patents
Composite phosphorus removing agent for enhanced phosphorus reduction in sewage treatment and preparation technology Download PDFInfo
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- CN112250123A CN112250123A CN202011084919.5A CN202011084919A CN112250123A CN 112250123 A CN112250123 A CN 112250123A CN 202011084919 A CN202011084919 A CN 202011084919A CN 112250123 A CN112250123 A CN 112250123A
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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
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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
- 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
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
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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
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
Abstract
The invention discloses a composite phosphorus removing agent for strengthening phosphorus reduction in sewage treatment, which comprises the following raw materials in parts by weight: 10-30 parts of polyaluminum chloride, 20-30 parts of polyferric chloride, 15-20 parts of polyaluminum ferric chloride, 10-16 parts of poly ferrous iron, 20-30 parts of manganese dioxide, 20-25 parts of polyferric sulfate, 15-25 parts of polyaluminum ferric sulfate chloride, 20-30 parts of polyaluminum sulfate, 15-25 parts of modified diatomite, 20-30 parts of an oxidant, 10-15 parts of sugar and 70-100 parts of distilled water, wherein the oxidant is any one or more than two of hydrogen peroxide, peracetic acid, sodium dichromate, chromic acid, nitric acid, potassium permanganate and ammonium persulfate, and the sugar is glucose or white sugar. The composite phosphorus removing agent for enhancing phosphorus reduction in sewage treatment and the preparation technology thereof have the advantages that through the effects of oxidation and flocculation sedimentation, the phosphorus removing agent has good charge neutralization and adsorption bridging functions, good condensation performance, quick generation of floccules, good dewatering performance of settled sludge, no secondary pollution, wide range of pH value of applicable water body and strong removing effect.
Description
Technical Field
The invention relates to the technical field of sewage treatment enhanced phosphorus reduction, in particular to a composite phosphorus removing agent for sewage treatment enhanced phosphorus reduction and a preparation technology thereof.
Background
The phosphorus removing agent is an article for coagulation turbidity removal treatment and phosphorus removal of urban water source water. Can achieve the aim of deep dephosphorization at the same time of the coagulation and turbidity removal treatment of the urban water source water. Therefore, the phosphorus content in the treated drinking water is reduced to be below the threshold value, the raw water treatment process is not required to be changed, a large water treatment structure is not required to be additionally arranged, and the method is simple, convenient, feasible, economical and practical, and can obtain remarkable social and economic benefits. The lack of water resources is a big problem in China, and particularly, along with the rapid development of domestic economy in recent years, the water consumption rises rapidly, and the pollution of the water resources is more and more serious. The industrial water treatment technology has important significance for saving water resources, reducing water pollution, prolonging the service life of equipment and the like. Therefore, with the continuous improvement of industrial water treatment and environmental protection requirements, the water treatment agent in China is continuously rich in varieties and continuously improved in performance. The water treatment agents are various in variety, and the classification and action of the compound water treatment agent are introduced herein.
At present, most of the sewage phosphorus removal reagents on the market have the defects of insufficient effect, insufficient reaction with phosphorus-containing compounds in sewage, large dosage, low chemical reaction speed, small and light formed floc, slow sedimentation, poor filterability and the like when the sewage phosphorus removal reagents face the sewage of various environments, and the wide application of the chemical phosphorus removal technology is severely restricted.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a composite phosphorus removal agent for enhancing phosphorus reduction in sewage treatment and a preparation technology thereof, which have the advantages of high chemical reaction speed, large and heavy formed floc, high sedimentation speed, good filterability and the like, and solve the problems of insufficient reaction of phosphorus-containing compounds in sewage, low chemical reaction speed, small and light formed floc, low sedimentation speed and poor filterability.
(II) technical scheme
In order to realize the purposes of high chemical reaction speed, large and heavy formed floc, high sedimentation and good filterability, the invention provides the following technical scheme: a composite phosphorus removal agent for enhanced phosphorus reduction in sewage treatment comprises the following raw materials in parts by weight: 10-30 parts of polyaluminum chloride, 20-30 parts of polyferric chloride, 15-20 parts of polyaluminum ferric chloride, 10-16 parts of poly ferrous iron, 20-30 parts of manganese dioxide, 20-25 parts of polymeric ferric sulfate, 15-25 parts of polymeric aluminum ferric chloride sulfate, 20-30 parts of polymeric aluminum sulfate, 15-25 parts of modified diatomite, 20-30 parts of an oxidant, 10-15 parts of sugar and 70-100 parts of distilled water.
Preferably, the oxidant is any one or more than two of hydrogen peroxide, peracetic acid, sodium dichromate, chromic acid, nitric acid, potassium permanganate and ammonium persulfate.
Preferably, the sugar is glucose or white sugar.
Preferably, 10 parts of polyaluminium chloride, 20 parts of polyferric chloride, 15 parts of polyaluminium ferric chloride, 10 parts of poly ferrous iron, 20 parts of manganese dioxide, 20 parts of polyferric sulfate, 15 parts of polyaluminium ferric chloride sulfate, 20 parts of polyaluminium sulfate, 15 parts of modified diatomite, 20 parts of oxidant, 10 parts of sugar and 70 parts of distilled water.
Preferably, 15 parts of polyaluminium chloride, 23 parts of polyferric chloride, 17 parts of polyaluminum ferric chloride, 12 parts of poly ferrous iron, 23 parts of manganese dioxide, 22 parts of polyferric sulfate, 17 parts of polyaluminum ferric sulfate chloride, 23 parts of polyaluminum sulfate, 20 parts of modified diatomite, 23 parts of oxidant, 12 parts of sugar and 85 parts of distilled water.
Preferably, 19 parts of polyaluminum chloride, 24 parts of polyferric chloride, 18 parts of polyaluminum ferric chloride, 14 parts of poly ferrous iron, 26 parts of manganese dioxide, 22 parts of polyferric sulfate, 17 parts of polyaluminum ferric sulfate chloride, 23 parts of polyaluminum sulfate, 20 parts of modified diatomite, 23 parts of oxidant, 12 parts of sugar and 85 parts of distilled water.
Preferably, 20 parts of polyaluminium chloride, 25 parts of polyferric chloride, 18 parts of polyaluminium ferric chloride, 13 parts of poly ferrous iron, 25 parts of manganese dioxide, 22 parts of polyferric sulfate, 20 parts of polyaluminum ferric sulfate chloride, 25 parts of polyaluminum sulfate, 20 parts of modified diatomite, 25 parts of oxidant, 12 parts of sugar and 85 parts of distilled water.
Preferably, 30 parts of polyaluminum chloride, 30 parts of polyferric chloride, 20 parts of polyaluminum ferric chloride, 16 parts of poly ferrous iron, 30 parts of manganese dioxide, 25 parts of polyferric sulfate, 25 parts of polyaluminum ferric sulfate chloride, 30 parts of polyaluminum sulfate, 25 parts of modified diatomite, 30 parts of oxidant, 15 parts of sugar and 100 parts of distilled water.
The invention aims to solve another technical problem of providing a composite phosphorus removing agent for enhancing phosphorus reduction in sewage treatment and a preparation technology thereof, and the preparation technology comprises the following steps:
1) 70-100 parts of distilled water is injected into a reaction tank, 20-25 parts of polyferric sulfate, 15-25 parts of polyaluminum ferric sulfate chloride and 20-30 parts of polyaluminum sulfate are added, and stirring is carried out for 13-25min at the stirring speed of 400-600 r/min so as to fully dissolve the materials;
2) adding 10-30 parts of polyaluminium chloride, 20-30 parts of polyferric chloride, 15-20 parts of polyaluminium ferric chloride, 10-16 parts of ferrous iron and 20-30 parts of manganese dioxide into the mixed solution obtained in the step 1), and stirring for 10-20min at the stirring speed of 300-500 r/min to fully dissolve the polyaluminium chloride;
3) 10-16 parts of poly-ferrous iron and 20-30 parts of manganese dioxide are added into the mixed solution in the step 1), and stirring is carried out for 15-20min at the stirring speed of 400-500 r/min so as to fully dissolve the poly-ferrous iron and the manganese dioxide;
4) adding 20-30 parts of oxidant into the mixed solution obtained in the step 1), and stirring the mixed solution for 20-25min at the stirring speed of 300-500 r/min to fully dissolve the oxidant;
5) adding 15-25 parts of modified diatomite into the mixed solution obtained in the step 2), and stirring the mixed solution for 10-15min at a stirring speed of 500-700 r/min to fully dissolve the modified diatomite;
6) and (3) controlling the temperature of the steps 1, 2, 3, 4 and 5 in the stirring process to be 10-20 ℃, and obtaining the compound phosphorus removing agent for enhancing phosphorus reduction in sewage treatment.
(III) advantageous effects
Compared with the prior art, the invention provides a composite phosphorus removal agent for strengthening phosphorus reduction in sewage treatment and a preparation technology thereof, and the composite phosphorus removal agent has the following beneficial effects:
1. the composite phosphorus removing agent for strengthening phosphorus reduction in sewage treatment and the preparation technology thereof have the advantages that through the effects of oxidation and flocculation sedimentation, the phosphorus removing agent has good charge neutralization and adsorption bridging functions, good condensation performance, fast floc generation, high concentration and large quality, excellent sedimentation performance, good sedimentation sludge dewatering performance, no secondary pollution, wide range of applicable water pH value, strong removal effect, simple production process of the agent, easily available raw materials and low production cost, wherein PAFC is applied to environmental sewage plants more frequently, and the PAFC combines the dual advantages of aluminum salt and ferric salt, and has the advantages of high chemical reaction speed, large and heavy formed floc, fast sedimentation, good filterability and the like.
2. The compound phosphorus removing agent for strengthening phosphorus reduction in sewage treatment and the preparation technology thereof have the advantages that through the modified diatomite, the diatomite has the functions of adsorption, coagulation, filtration, coprecipitation and the like, and can fully contact and remove phosphorus elements contained in water, so the phosphorus removing effect is more stable, the change of the TP of the effluent is smaller, the compound phosphorus removing agent has the characteristics of simple production process, good phosphorus removing effect, consideration of nitrogen removal and the like, can be widely applied to the sewage treatment of food plant wastewater, pharmacy, paper making, pesticides and fertilizer plants, the garbage percolate treatment of garbage landfill plants and the phosphorus removal of domestic sewage treatment plants, is particularly suitable for the fields of sewage treatment of medium phosphorus section and the like, has good water treatment effect, has excellent pollution removing efficiency, simple regeneration, low raw material price and easy obtaining and safety.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious 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.
The first embodiment is as follows: a composite phosphorus removal agent for enhanced phosphorus reduction in sewage treatment comprises the following raw materials in parts by weight: 10 parts of polyaluminium chloride, 20 parts of polyferric chloride, 15 parts of polyaluminium ferric chloride, 10 parts of poly ferrous iron, 20 parts of manganese dioxide, 20 parts of polyferric sulfate, 15 parts of polyaluminum ferric sulfate chloride, 20 parts of polyaluminum sulfate, 15 parts of modified diatomite, 20 parts of an oxidant, 10 parts of sugar and 70 parts of distilled water; injecting 70 parts of distilled water into a reaction tank, adding 20 parts of polymeric ferric sulfate, 15 parts of polymeric aluminum ferric chloride sulfate and 20 parts of polymeric aluminum sulfate, and stirring for 13min at the stirring speed of 400r/min to fully dissolve the polymeric ferric sulfate, the polymeric aluminum ferric chloride and the polymeric aluminum sulfate; adding 10 parts of polyaluminium chloride, 20 parts of polyferric chloride and 15 parts of polyaluminium chloride into the mixed solution obtained in the step (1), and stirring for 10min at the stirring speed of 300r/min to fully dissolve the polyaluminium chloride; adding 10 parts of poly-ferrous iron and 20 parts of manganese dioxide into the mixed solution obtained in the step 1, and stirring for 15min at the stirring speed of 400r/min to fully dissolve the poly-ferrous iron and the manganese dioxide; in the stirring process, time needs to be controlled well, the mixed solution can accelerate the reaction speed of phosphorus in the sewage through sufficient stirring, so that the reaction effect is better, 20 parts of oxidant is added into the mixed solution in the step 1, and the mixed solution is stirred, wherein the stirring time is 20min, and the stirring speed is 300r/min, so that the mixed solution is dissolved sufficiently; adding 15 parts of modified diatomite into the mixed solution obtained in the step 2, and stirring the mixed solution for 10min at a stirring speed of 500r/min to fully dissolve the modified diatomite; the method has the advantages that the chemical reagent solution is rapidly and orderly mixed by controlling the stirring speed, ions in the solution are fully combined and reacted, the time is well controlled, the reagent is favorably uniform and mixed, the phosphorus removal effect is enhanced, the temperature of the steps 1, 2, 3, 4 and 5 in the stirring process is controlled at 10 ℃, and the composite phosphorus removal agent for strengthening phosphorus reduction in sewage treatment can be obtained.
Example two: a composite phosphorus removal agent for enhanced phosphorus reduction in sewage treatment comprises the following raw materials in parts by weight: 20 parts of polyaluminium chloride, 25 parts of polyferric chloride, 18 parts of polyaluminium ferric chloride, 13 parts of poly ferrous iron, 25 parts of manganese dioxide, 22 parts of polyferric sulfate, 20 parts of polyaluminum ferric sulfate chloride, 25 parts of polyaluminum sulfate, 20 parts of modified diatomite, 25 parts of an oxidant, 12 parts of sugar and 85 parts of distilled water; injecting 85 parts of distilled water into a reaction tank, adding 22 parts of polymeric ferric sulfate, 20 parts of polymeric aluminum ferric chloride sulfate and 25 parts of polymeric aluminum sulfate, and stirring for 19min at the stirring speed of 500r/min to fully dissolve the polymeric ferric sulfate, the polymeric aluminum ferric chloride and the polymeric aluminum sulfate; adding 20 parts of polyaluminium chloride, 25 parts of polyferric chloride and 18 parts of polyaluminium ferric chloride into the mixed solution obtained in the step (1), and stirring for 15min at the stirring speed of 400r/min to fully dissolve the polyaluminium chloride; adding 13 parts of poly-ferrous iron and 25 parts of manganese dioxide into the mixed solution obtained in the step 1, and stirring for 18min at the stirring speed of 450r/min to fully dissolve the poly-ferrous iron and the manganese dioxide; in the stirring process, time needs to be controlled well, the mixed solution can accelerate the reaction speed of phosphorus in the sewage through sufficient stirring, so that the reaction effect is better, 25 parts of oxidant is added into the mixed solution in the step 1, and the mixed solution is stirred, wherein the stirring time is 22min, and the stirring speed is 400r/min, so that the mixed solution is fully dissolved; adding 20 parts of modified diatomite into the mixed solution obtained in the step 2, and stirring the mixed solution for 12min at a stirring speed of 600r/min to fully dissolve the modified diatomite; the chemical reagent solution is rapidly and orderly mixed by controlling the stirring speed, ions in the solution are fully combined and reacted, the time is well controlled, the reagent is favorably uniform and mixed, the phosphorus removal effect is enhanced, the temperature of the steps 1, 2, 3, 4 and 5 in the stirring process is controlled at 15 ℃, and the composite phosphorus removal agent for enhancing phosphorus reduction in sewage treatment can be obtained.
Example three: a composite phosphorus removal agent for enhanced phosphorus reduction in sewage treatment comprises the following raw materials in parts by weight: 30 parts of polyaluminum chloride, 30 parts of polyferric chloride, 20 parts of polyaluminum ferric chloride, 16 parts of poly ferrous iron, 30 parts of manganese dioxide, 25 parts of polyferric sulfate, 25 parts of polyaluminum ferric sulfate chloride, 30 parts of polyaluminum sulfate, 25 parts of modified diatomite, 30 parts of an oxidant, 15 parts of sugar and 100 parts of distilled water; injecting 100 parts of distilled water into a reaction tank, adding 25 parts of polymeric ferric sulfate, 25 parts of polymeric aluminum ferric chloride sulfate and 30 parts of polymeric aluminum sulfate, and stirring for 25min at the stirring speed of 600r/min to fully dissolve the polymeric ferric sulfate, the polymeric aluminum ferric chloride and the polymeric aluminum sulfate; adding 30 parts of polyaluminium chloride, 30 parts of polyferric chloride and 20 parts of polyaluminium chloride into the mixed solution obtained in the step (1), and stirring for 20min at a stirring speed of 500r/min to fully dissolve the polyaluminium chloride; adding 16 parts of poly-ferrous iron and 30 parts of manganese dioxide into the mixed solution obtained in the step 1, and stirring for 20min at a stirring speed of 500r/min to fully dissolve the poly-ferrous iron and the manganese dioxide; in the stirring process, time needs to be controlled well, the mixed solution can accelerate the reaction speed of phosphorus in the sewage through sufficient stirring, so that the reaction effect is better, 30 parts of oxidant is added into the mixed solution in the step 1, and the mixed solution is stirred, wherein the stirring time is 25min, and the stirring speed is 500r/min, so that the mixed solution is fully dissolved; adding 25 parts of modified diatomite into the mixed solution obtained in the step 2, and stirring the mixed solution for 15min at the stirring speed of 700r/min to fully dissolve the modified diatomite; the method has the advantages that the chemical reagent solution is rapidly and orderly mixed by controlling the stirring speed, ions in the solution are fully combined and reacted, the time is well controlled, the reagent is favorably uniform and mixed, the phosphorus removal effect is enhanced, the temperature of the steps 1, 2, 3, 4 and 5 in the stirring process is controlled to be 20 ℃, and the composite phosphorus removal agent for strengthening phosphorus reduction in sewage treatment can be obtained.
In summary, the following steps: the best effect is achieved in the second embodiment by using 20 parts of polyaluminium chloride, 25 parts of polyferric chloride, 18 parts of polyaluminium ferric chloride, 13 parts of poly ferrous iron, 25 parts of manganese dioxide, 22 parts of polyferric sulfate, 20 parts of polyaluminium ferric sulfate chloride, 25 parts of polyaluminium sulfate, 20 parts of modified diatomite, 25 parts of oxidant, 12 parts of sugar and 85 parts of distilled water; injecting 85 parts of distilled water into a reaction tank, adding 22 parts of polymeric ferric sulfate, 20 parts of polymeric aluminum ferric chloride sulfate and 25 parts of polymeric aluminum sulfate, and stirring for 19min at the stirring speed of 500r/min to fully dissolve the polymeric ferric sulfate, the polymeric aluminum ferric chloride and the polymeric aluminum sulfate; adding 20 parts of polyaluminium chloride, 25 parts of polyferric chloride and 18 parts of polyaluminium ferric chloride into the mixed solution obtained in the step (1), and stirring for 15min at the stirring speed of 400r/min to fully dissolve the polyaluminium chloride; adding 13 parts of poly-ferrous iron and 25 parts of manganese dioxide into the mixed solution obtained in the step 1, and stirring for 18min at the stirring speed of 450r/min to fully dissolve the poly-ferrous iron and the manganese dioxide; in the stirring process, time needs to be controlled well, the mixed solution can accelerate the reaction speed of phosphorus in the sewage through sufficient stirring, so that the reaction effect is better, 25 parts of oxidant is added into the mixed solution in the step 1, and the mixed solution is stirred, wherein the stirring time is 22min, and the stirring speed is 400r/min, so that the mixed solution is fully dissolved; adding 20 parts of modified diatomite into the mixed solution obtained in the step 2, and stirring the mixed solution for 12min at a stirring speed of 600r/min to fully dissolve the modified diatomite; through controlling the stirring speed, the chemical reagent solution is quickly and orderly mixed, ions in the solution are fully combined and reacted, the time is well controlled, the reagent is favorably uniform and mixed, the phosphorus removal effect is enhanced, the temperature of the steps 1, 2, 3, 4 and 5 in the stirring process is controlled at 15 ℃, and the composite phosphorus removing agent for enhancing phosphorus reduction of sewage treatment can be obtained, and the composite phosphorus removing agent for enhancing phosphorus reduction of sewage treatment and the preparation technology have the advantages that through the effects of oxidation and flocculation sedimentation, the phosphorus removing agent has good charge neutralization and adsorption bridging functions, the coagulation performance is good, the flocculating constituent is rapidly generated, the concentration is high, the quality is large, the sedimentation performance is excellent, the settled sludge has good dehydration performance, no secondary pollution, the range of the pH value of the applicable water body is wide, the stronger removal effect is realized, the medicament production process is simple, the raw materials are easy to obtain, the production cost is low, wherein the PAFC is applied in environmental sewage plants more, the PAFC combines the dual advantages of aluminum salt and ferric salt, the chemical reaction speed is high, the formed floc is large and heavy, the sedimentation is fast, the filterability is good, and the like, the composite phosphorus removing agent for enhancing phosphorus reduction of sewage treatment and the preparation technology thereof can fully contact and remove phosphorus element contained in water by modifying the diatomite which has the functions of adsorption, coagulation, filtration, coprecipitation and the like, so the phosphorus removing effect is more stable, the change of the TP of the effluent is smaller, the composite phosphorus removing agent has the characteristics of simple production process, good phosphorus removing effect, nitrogen removal and the like, can be widely applied to the sewage treatment of food factories, pharmacy, papermaking, pesticides, chemical fertilizers, the waste water treatment of garbage landfill plants, the phosphorus removal of domestic sewage treatment plants, is particularly suitable for the sewage treatment of medium phosphorus section and the like, and has good water treatment effect, has excellent pollution-removing efficiency, simple regeneration, low raw material price, easy obtaining and safety.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The composite phosphorus removing agent for enhancing phosphorus reduction in sewage treatment is characterized by comprising the following raw materials in parts by weight: 10-30 parts of polyaluminum chloride, 20-30 parts of polyferric chloride, 15-20 parts of polyaluminum ferric chloride, 10-16 parts of poly ferrous iron, 20-30 parts of manganese dioxide, 20-25 parts of polymeric ferric sulfate, 15-25 parts of polymeric aluminum ferric chloride sulfate, 20-30 parts of polymeric aluminum sulfate, 15-25 parts of modified diatomite, 20-30 parts of an oxidant, 10-15 parts of sugar and 70-100 parts of distilled water.
2. The compound phosphorus removal agent for the enhanced phosphorus reduction of sewage treatment according to claim 1, wherein the oxidant is any one or more than two of hydrogen peroxide, peracetic acid, sodium dichromate, chromic acid, nitric acid, potassium permanganate and ammonium persulfate.
3. The compound phosphorus removal agent for the enhanced phosphorus reduction of sewage treatment according to claim 1, wherein the sugar is glucose or white sugar.
4. The compound phosphorus removal agent for the enhanced phosphorus reduction of the sewage treatment according to claim 1, which is characterized by comprising the following raw materials in parts by weight: 10 parts of polyaluminum chloride, 20 parts of polyferric chloride, 15 parts of polyaluminum ferric chloride, 10 parts of poly ferrous iron, 20 parts of manganese dioxide, 20 parts of polyferric sulfate, 15 parts of polyaluminum ferric sulfate chloride, 20 parts of polyaluminum sulfate, 15 parts of modified diatomite, 20 parts of an oxidant, 10 parts of sugar and 70 parts of distilled water.
5. The compound phosphorus removal agent for the enhanced phosphorus reduction of the sewage treatment according to claim 1, which is characterized by comprising the following raw materials in parts by weight: 15 parts of polyaluminium chloride, 23 parts of polyferric chloride, 17 parts of polyaluminium ferric chloride, 12 parts of poly ferrous iron, 23 parts of manganese dioxide, 22 parts of polyferric sulfate, 17 parts of polyaluminum ferric sulfate chloride, 23 parts of polyaluminum sulfate, 20 parts of modified diatomite, 23 parts of an oxidant, 12 parts of sugar and 85 parts of distilled water.
6. The compound phosphorus removal agent for the enhanced phosphorus reduction of the sewage treatment according to claim 1, which is characterized by comprising the following raw materials in parts by weight: 19 parts of polyaluminum chloride, 24 parts of polyferric chloride, 18 parts of polyaluminum ferric chloride, 14 parts of poly ferrous iron, 26 parts of manganese dioxide, 22 parts of polyferric sulfate, 17 parts of polyaluminum ferric sulfate chloride, 23 parts of polyaluminum sulfate, 20 parts of modified diatomite, 23 parts of an oxidant, 12 parts of sugar and 85 parts of distilled water.
7. The compound phosphorus removal agent for the enhanced phosphorus reduction of the sewage treatment according to claim 1, which is characterized by comprising the following raw materials in parts by weight: 20 parts of polyaluminum chloride, 25 parts of polyferric chloride, 18 parts of polyaluminum ferric chloride, 13 parts of poly ferrous iron, 25 parts of manganese dioxide, 22 parts of polyferric sulfate, 20 parts of polyaluminum ferric sulfate chloride, 25 parts of polyaluminum sulfate, 20 parts of modified diatomite, 25 parts of an oxidant, 12 parts of sugar and 85 parts of distilled water.
8. The compound phosphorus removal agent for the enhanced phosphorus reduction of the sewage treatment according to claim 1, which is characterized by comprising the following raw materials in parts by weight: 30 parts of polyaluminum chloride, 30 parts of polyferric chloride, 20 parts of polyaluminum ferric chloride, 16 parts of poly ferrous iron, 30 parts of manganese dioxide, 25 parts of polyferric sulfate, 25 parts of polyaluminum ferric sulfate chloride, 30 parts of polyaluminum sulfate, 25 parts of modified diatomite, 30 parts of an oxidant, 15 parts of sugar and 100 parts of distilled water.
9. A composite phosphorus removing agent for strengthening phosphorus reduction in sewage treatment is provided, and the preparation technology is characterized by comprising the following steps:
1) 70-100 parts of distilled water is injected into a reaction tank, 20-25 parts of polyferric sulfate, 15-25 parts of polyaluminum ferric sulfate chloride and 20-30 parts of polyaluminum sulfate are added, and stirring is carried out for 13-25min at the stirring speed of 400-600 r/min so as to fully dissolve the materials;
2) adding 10-30 parts of polyaluminium chloride, 20-30 parts of polyferric chloride, 15-20 parts of polyaluminium ferric chloride, 10-16 parts of ferrous iron and 20-30 parts of manganese dioxide into the mixed solution obtained in the step 1), and stirring for 10-20min at the stirring speed of 300-500 r/min to fully dissolve the polyaluminium chloride;
3) 10-16 parts of poly-ferrous iron and 20-30 parts of manganese dioxide are added into the mixed solution in the step 1), and stirring is carried out for 15-20min at the stirring speed of 400-500 r/min so as to fully dissolve the poly-ferrous iron and the manganese dioxide;
4) adding 20-30 parts of oxidant into the mixed solution obtained in the step 1), and stirring the mixed solution for 20-25min at the stirring speed of 300-500 r/min to fully dissolve the oxidant;
5) adding 15-25 parts of modified diatomite into the mixed solution obtained in the step 2), and stirring the mixed solution for 10-15min at a stirring speed of 500-700 r/min to fully dissolve the modified diatomite;
6) and (3) controlling the temperature of the steps 1, 2, 3, 4 and 5 in the stirring process to be 10-20 ℃, and obtaining the compound phosphorus removing agent for enhancing phosphorus reduction in sewage treatment.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113415833A (en) * | 2021-05-28 | 2021-09-21 | 嘉兴市禾晟生物制品有限公司 | Production process of novel sewage phosphorus removal agent |
| CN113461126A (en) * | 2021-07-08 | 2021-10-01 | 陇东学院 | Coagulant and application thereof in water-based paint wastewater |
| CN113754234A (en) * | 2021-09-14 | 2021-12-07 | 巢湖市爱华环保科技有限公司 | Method for treating phosphorus-containing sludge |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104828924A (en) * | 2015-05-19 | 2015-08-12 | 杭州正洁环保科技有限公司 | Composite dephosphorizing agent for treating phosphorus-containing wastewater and application method thereof |
| CN108996643A (en) * | 2018-09-07 | 2018-12-14 | 南阳理工学院 | A kind of municipal sewage treatment dephosphorization flocculant and the preparation method and application thereof |
| CN109293163A (en) * | 2018-11-08 | 2019-02-01 | 四川山水源环保技术有限公司 | A kind of composite dephosphorizing agent and application method |
-
2020
- 2020-10-12 CN CN202011084919.5A patent/CN112250123A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104828924A (en) * | 2015-05-19 | 2015-08-12 | 杭州正洁环保科技有限公司 | Composite dephosphorizing agent for treating phosphorus-containing wastewater and application method thereof |
| CN108996643A (en) * | 2018-09-07 | 2018-12-14 | 南阳理工学院 | A kind of municipal sewage treatment dephosphorization flocculant and the preparation method and application thereof |
| CN109293163A (en) * | 2018-11-08 | 2019-02-01 | 四川山水源环保技术有限公司 | A kind of composite dephosphorizing agent and application method |
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