CN105967346A - Urban domestic wastewater treating agent and preparation method thereof - Google Patents
Urban domestic wastewater treating agent and preparation method thereof Download PDFInfo
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- CN105967346A CN105967346A CN201610373288.6A CN201610373288A CN105967346A CN 105967346 A CN105967346 A CN 105967346A CN 201610373288 A CN201610373288 A CN 201610373288A CN 105967346 A CN105967346 A CN 105967346A
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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
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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
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Abstract
The invention discloses an urban domestic wastewater treating agent and a preparation method thereof. The urban domestic wastewater treating agent is prepared from, by weight, 20-40 parts of kieselguhr, 20-30 parts of activated sludge, 20-30 parts of quartz sand, 15-25 parts of modified cassava starch, 2-4 parts of sorbitol fatty acid ester, 40-60 parts of sodium acetate, 20-30 parts of bamboo charcoal, 10-20 parts of polyacrylamide, 2-3 parts of sulfosuccinate, 0.1-0.5 part of ferric chloride, 20-25 parts of carboxymethylcellulose, 5-10 parts of Tween and 10-20 parts of microorganism biological films. The physicochemical index of urban domestic wastewater reaches GB18918-2002 standards, and the content of COD, BOD, SS and metal ions is effectively lowered; the processing process is simple, the drug using amount is small, the processing effect is good, performance is stable, the effluent quality is good, the water processing cost can be effectively reduced, and good economic benefits and wide social benefits are obtained.
Description
Technical field
The present invention relates to a kind of sewage-treating agent technical field, specifically a kind of town domestic sewage inorganic agent and preparation method thereof.
Background technology
Samll cities and towns of China are large number of, and population density is big, and due to the raising of living standards of the people, domestic hygiene condition significantly improves, and sanitary sewage total amount is also increasing day by day.Owing to being affected by the factor of the aspect such as economy, technology, the intractability of small town sewage is the biggest, small town sewage processes almost nil, sanitary sewage is unprocessed is directly discharged into river course, surface water environment cause increasing pollute, heavy damage Ecological environment, hinders the sustainable development of samll cities and towns.
At present, processing town domestic sewage pollution problem has various methods such as physics, chemistry, biology, but to there is treatment effect the best more for physical method, handling rate instability problem；Biological method processing cost is too high, is not suitable for promoting the use of；More employing chemical methodes process sewage, but existing sewage-treating agent, and there is secondary pollution problem in its agent formulations, also can have a certain impact environment.
Summary of the invention
It is an object of the invention to provide a kind of town domestic sewage inorganic agent and preparation method thereof, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, the present invention provides following technical scheme:
A kind of town domestic sewage inorganic agent, according to the component of weight portion be: kieselguhr 20-40 part, activated sludge 20-30 part, quartz sand 20-30 part, modified tapioca starch 15-25 part, Span 2-4 part, sodium acetate 40-60 part, bamboo charcoal 20-30 part, polyacrylamide 10-20 part, 2-Sulfosuccinic acid 2-3 part, iron chloride 0.1-0.5 part, carboxymethyl cellulose 20-25 part, tween 5-10 part, microbial biofilm 10-20 part.
As the further scheme of the present invention: the granular size of described quartz sand is 30-100 mesh.
As the further scheme of the present invention: the molecular weight of described xanthan gum is at 200-400 ten thousand, and viscosity is at more than 600cp.
As the further scheme of the present invention: described microbial biofilm is on the activated carbon through the biofilm cultivation gained of more than 48h by nitrogen-fixing bacteria, pseudomonas putida.
The preparation method of a kind of town domestic sewage inorganic agent, concretely comprises the following steps:
(1) first, add water in kieselguhr and activated sludge and obtain mixture slurry so that it is moisture content is 60%-90%, subsequently quartz sand is added, be crushed to the granule of 5-10mm diameter；
(2) then, granule is mixed homogeneously with quartz sand, modified tapioca starch, Span, sodium acetate, bamboo charcoal, after piling up 12-24h, obtain mixture I；
(3) secondly, mixture I carries out ultrasonic-microwave Combined Treatment, and the temperature that ultrasonic-microwave processes is 100 DEG C-110 DEG C, and the time is 2h-6h, obtains mixtures II；
(4) then, mixtures II and polyacrylamide, 2-Sulfosuccinic acid, iron chloride, carboxymethyl cellulose, tween carrying out mixing stirring pulping, every kind of raw material interpolation is all spaced 3-5min, obtains mixtures III；
(5) last, mixtures III and microbial biofilm are mixed and carry out low temperature spray drying process, obtains town domestic sewage inorganic agent.
As the further scheme of the present invention: in step (1), the moisture content of mixture slurry is 75%.
As the further scheme of the present invention: the temperature that in step (3), mixed high temperature microwave processes is 105 DEG C, and the time is 4h.
Compared with prior art, the invention has the beneficial effects as follows:
The present invention enables to the physical and chemical index of town domestic sewage and reaches GB18918-2002 standard, and effectively reduces COD, BOD, SS and metal ion content；Process technique is simple, and dosage is few, and treatment effect is good, stable performance, and effluent quality is good, can significantly reduce the cost that water processes, and has good economic benefit and social benefit widely.
Detailed description of the invention
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of protection of the invention.
Embodiment 1
A kind of town domestic sewage inorganic agent, according to the component of weight portion be: 20 parts of kieselguhr, activated sludge 20 parts, quartz sand 20 parts, modified tapioca starch 15 parts, Span 2 parts, sodium acetate 40 parts, bamboo charcoal 20 parts, polyacrylamide 10 parts, 2-Sulfosuccinic acid 2 parts, 0.1 part of iron chloride, carboxymethyl cellulose 20 parts, tween 5 parts, microbial biofilm 10 parts；The granular size of described quartz sand is 30-100 mesh；The molecular weight of described xanthan gum is at 200-400 ten thousand, and viscosity is at 600cp；Described microbial biofilm is on the activated carbon through the biofilm cultivation gained of 48h by nitrogen-fixing bacteria, pseudomonas putida.
The preparation method of a kind of town domestic sewage inorganic agent, concretely comprises the following steps:
(1) first, add water in kieselguhr and activated sludge and obtain mixture slurry so that it is moisture content is 60%, subsequently quartz sand is added, be crushed to the granule of 5mm diameter；
(2) then, granule is mixed homogeneously with quartz sand, modified tapioca starch, Span, sodium acetate, bamboo charcoal, after piling up 12h, obtain mixture I；
(3) secondly, mixture I carries out ultrasonic-microwave Combined Treatment, and the temperature that ultrasonic-microwave processes is 100 DEG C, and the time is 2h, obtains mixtures II；
(4) then, mixtures II and polyacrylamide, 2-Sulfosuccinic acid, iron chloride, carboxymethyl cellulose, tween carrying out mixing stirring pulping, every kind of raw material interpolation is all spaced 3min, obtains mixtures III；
(5) last, mixtures III and microbial biofilm are mixed and carry out low temperature spray drying process, obtains town domestic sewage inorganic agent.
Embodiment 2
A kind of town domestic sewage inorganic agent, according to the component of weight portion be: 20 parts of kieselguhr, activated sludge 20 parts, quartz sand 20 parts, modified tapioca starch 20 parts, Span 3 parts, sodium acetate 45 parts, bamboo charcoal 25 parts, polyacrylamide 15 parts, 2-Sulfosuccinic acid 3 parts, 0.3 part of iron chloride, carboxymethyl cellulose 20 parts, tween 8 parts, microbial biofilm 10 parts；The granular size of described quartz sand is 30-100 mesh；The molecular weight of described xanthan gum is at 200-400 ten thousand, and viscosity is at 1400cp；Described microbial biofilm is on the activated carbon through the biofilm cultivation gained of 48h by nitrogen-fixing bacteria, pseudomonas putida.
The preparation method of a kind of town domestic sewage inorganic agent, concretely comprises the following steps:
(1) first, add water in kieselguhr and activated sludge and obtain mixture slurry so that it is moisture content is 60%, subsequently quartz sand is added, be crushed to the granule of 8mm diameter；
(2) then, granule is mixed homogeneously with quartz sand, modified tapioca starch, Span, sodium acetate, bamboo charcoal, after piling up 12h, obtain mixture I；
(3) secondly, mixture I carries out ultrasonic-microwave Combined Treatment, and the temperature that ultrasonic-microwave processes is 100 DEG C, and the time is 2h, obtains mixtures II；
(4) then, mixtures II and polyacrylamide, 2-Sulfosuccinic acid, iron chloride, carboxymethyl cellulose, tween carrying out mixing stirring pulping, every kind of raw material interpolation is all spaced 3min, obtains mixtures III；
(5) last, mixtures III and microbial biofilm are mixed and carry out low temperature spray drying process, obtains town domestic sewage inorganic agent.
Embodiment 3
A kind of town domestic sewage inorganic agent, according to the component of weight portion be: 30 parts of kieselguhr, activated sludge 25 parts, quartz sand 25 parts, modified tapioca starch 20 parts, Span 3 parts, sodium acetate 50 parts, bamboo charcoal 25 parts, polyacrylamide 15 parts, 2-Sulfosuccinic acid 3 parts, 0.3 part of iron chloride, carboxymethyl cellulose 23 parts, tween 8 parts, microbial biofilm 15 parts；The granular size of described quartz sand is 30-100 mesh；The molecular weight of described xanthan gum is at 200-400 ten thousand, and viscosity is at 2000cp；Described microbial biofilm is on the activated carbon through the biofilm cultivation gained of 48h by nitrogen-fixing bacteria, pseudomonas putida.
The preparation method of a kind of town domestic sewage inorganic agent, concretely comprises the following steps:
(1) first, add water in kieselguhr and activated sludge and obtain mixture slurry so that it is moisture content is 75%, subsequently quartz sand is added, be crushed to the granule of 8mm diameter；
(2) then, granule is mixed homogeneously with quartz sand, modified tapioca starch, Span, sodium acetate, bamboo charcoal, after piling up 24h, obtain mixture I；
(3) secondly, mixture I carries out ultrasonic-microwave Combined Treatment, and the temperature that ultrasonic-microwave processes is 105 DEG C, and the time is 4h, obtains mixtures II；
(4) then, mixtures II and polyacrylamide, 2-Sulfosuccinic acid, iron chloride, carboxymethyl cellulose, tween carrying out mixing stirring pulping, every kind of raw material interpolation is all spaced 4min, obtains mixtures III；
(5) last, mixtures III and microbial biofilm are mixed and carry out low temperature spray drying process, obtains town domestic sewage inorganic agent.
Embodiment 4
A kind of town domestic sewage inorganic agent, according to the component of weight portion be: 40 parts of kieselguhr, activated sludge 30 parts, quartz sand 30 parts, modified tapioca starch 25 parts, Span 4 parts, sodium acetate 60 parts, bamboo charcoal 30 parts, polyacrylamide 20 parts, 2-Sulfosuccinic acid 3 parts, 0.5 part of iron chloride, carboxymethyl cellulose 25 parts, tween 10 parts, microbial biofilm 20 parts；The granular size of described quartz sand is 30-100 mesh；The molecular weight of described xanthan gum is at 200-400 ten thousand, and viscosity is at 3000cp；Described microbial biofilm is on the activated carbon through the biofilm cultivation gained of 48h by nitrogen-fixing bacteria, pseudomonas putida.
The preparation method of a kind of town domestic sewage inorganic agent, concretely comprises the following steps:
(1) first, add water in kieselguhr and activated sludge and obtain mixture slurry so that it is moisture content is 75%, subsequently quartz sand is added, be crushed to the granule of 10mm diameter；
(2) then, granule is mixed homogeneously with quartz sand, modified tapioca starch, Span, sodium acetate, bamboo charcoal, after piling up 12h, obtain mixture I；
(3) secondly, mixture I carries out ultrasonic-microwave Combined Treatment, and the temperature that ultrasonic-microwave processes is 105 DEG C, and the time is 4h, obtains mixtures II；
(4) then, mixtures II and polyacrylamide, 2-Sulfosuccinic acid, iron chloride, carboxymethyl cellulose, tween carrying out mixing stirring pulping, every kind of raw material interpolation is all spaced 3min, obtains mixtures III；
(5) last, mixtures III and microbial biofilm are mixed and carry out low temperature spray drying process, obtains town domestic sewage inorganic agent.
Embodiment 5
A kind of town domestic sewage inorganic agent, according to the component of weight portion be: 40 parts of kieselguhr, activated sludge 30 parts, quartz sand 30 parts, modified tapioca starch 25 parts, Span 4 parts, sodium acetate 60 parts, bamboo charcoal 30 parts, polyacrylamide 20 parts, 2-Sulfosuccinic acid 3 parts, 0.5 part of iron chloride, carboxymethyl cellulose 25 parts, tween 10 parts, microbial biofilm 20 parts；The granular size of described quartz sand is 30-100 mesh；The molecular weight of described xanthan gum is at 200-400 ten thousand, and viscosity is at 3000cp；Described microbial biofilm is on the activated carbon through the biofilm cultivation gained of 48h by nitrogen-fixing bacteria, pseudomonas putida.
The preparation method of a kind of town domestic sewage inorganic agent, concretely comprises the following steps:
(1) first, add water in kieselguhr and activated sludge and obtain mixture slurry so that it is moisture content is 90%, subsequently quartz sand is added, be crushed to the granule of 10mm diameter；
(2) then, granule is mixed homogeneously with quartz sand, modified tapioca starch, Span, sodium acetate, bamboo charcoal, after piling up 24h, obtain mixture I；
(3) secondly, mixture I carries out ultrasonic-microwave Combined Treatment, and the temperature that ultrasonic-microwave processes is 110 DEG C, and the time is 6h, obtains mixtures II；
(4) then, mixtures II and polyacrylamide, 2-Sulfosuccinic acid, iron chloride, carboxymethyl cellulose, tween carrying out mixing stirring pulping, every kind of raw material interpolation is all spaced 5min, obtains mixtures III；
(5) last, mixtures III and microbial biofilm are mixed and carry out low temperature spray drying process, obtains town domestic sewage inorganic agent.
Comparative example 1
A kind of town domestic sewage inorganic agent, according to the component of weight portion be: 30 parts of kieselguhr, activated sludge 25 parts, quartz sand 25 parts, modified tapioca starch 20 parts, bamboo charcoal 25 parts, polyacrylamide 15 parts, 0.3 part of iron chloride, carboxymethyl cellulose 23 parts, tween 8 parts, microbial biofilm 15 parts；The granular size of described quartz sand is 30-100 mesh；Described microbial biofilm is on the activated carbon through the biofilm cultivation gained of 48h by nitrogen-fixing bacteria, pseudomonas putida.
The preparation method of a kind of town domestic sewage inorganic agent, concretely comprises the following steps:
(1) first, add water in kieselguhr and activated sludge and obtain mixture slurry so that it is moisture content is 75%, subsequently quartz sand is added, be crushed to the granule of 8mm diameter；
(2) then, granule is mixed homogeneously with quartz sand, modified tapioca starch, bamboo charcoal, after piling up 24h, obtain mixture I；
(3) secondly, mixture I carries out ultrasonic-microwave Combined Treatment, and the temperature that ultrasonic-microwave processes is 105 DEG C, and the time is 4h, obtains mixtures II；
(4) then, mixtures II and polyacrylamide, iron chloride, carboxymethyl cellulose, tween carrying out mixing stirring pulping, every kind of raw material interpolation is all spaced 4min, obtains mixtures III；
(5) last, mixtures III and microbial biofilm are mixed and carry out low temperature spray drying process, obtains town domestic sewage inorganic agent.
Comparative example 2
A kind of town domestic sewage inorganic agent, according to the component of weight portion be: 30 parts of kieselguhr, activated sludge 25 parts, quartz sand 25 parts, modified tapioca starch 20 parts, microbial biofilm 15 parts；The granular size of described quartz sand is 30-100 mesh；Described microbial biofilm is on the activated carbon through the biofilm cultivation gained of 48h by nitrogen-fixing bacteria, pseudomonas putida.
The preparation method of a kind of town domestic sewage inorganic agent, concretely comprises the following steps:
(1) first, add water in kieselguhr and activated sludge and obtain mixture slurry so that it is moisture content is 75%, subsequently quartz sand is added, be crushed to the granule of 8mm diameter；
(2) then, granule is mixed homogeneously with modified tapioca starch, after piling up 24h, obtain mixture I；
(3) secondly, mixture I carries out ultrasonic-microwave Combined Treatment, and the temperature that ultrasonic-microwave processes is 105 DEG C, and the time is 4h, obtains mixtures II；
(4) last, mixtures II and microbial biofilm are mixed and carry out low temperature spray drying process, obtains town domestic sewage inorganic agent.
Comparative example 3
A kind of town domestic sewage inorganic agent, according to the component of weight portion be: 30 parts of kieselguhr, activated sludge 25 parts, quartz sand 25 parts, modified tapioca starch 20 parts, Span 3 parts, sodium acetate 50 parts, bamboo charcoal 25 parts, polyacrylamide 15 parts, 2-Sulfosuccinic acid 3 parts, 0.3 part of iron chloride, carboxymethyl cellulose 23 parts, tween 8 parts, microbial biofilm 15 parts；The granular size of described quartz sand is 30-100 mesh；The molecular weight of described xanthan gum is at 200-400 ten thousand, and viscosity is at 2000cp；Described microbial biofilm is on the activated carbon through the biofilm cultivation gained of 48h by nitrogen-fixing bacteria, pseudomonas putida.
The preparation method of a kind of town domestic sewage inorganic agent, concretely comprises the following steps:
(1) first, add water in kieselguhr and activated sludge and obtain mixture slurry so that it is moisture content is 75%, subsequently quartz sand is added, be crushed to the granule of 8mm diameter；
(2) then, granule is mixed homogeneously with quartz sand, modified tapioca starch, Span, sodium acetate, bamboo charcoal, after piling up 24h, obtain mixture I；
(3) then, carrying out mixing stirring pulping by mixture I with polyacrylamide, 2-Sulfosuccinic acid, iron chloride, carboxymethyl cellulose, tween, every kind of raw material interpolation is all spaced 4min, obtains mixtures II；
(4) last, mixtures II microbial biofilm mixed and carries out low temperature spray drying process, obtaining town domestic sewage inorganic agent.
Test experience
Weigh embodiment 1, embodiment 2, embodiment 3, embodiment 4, embodiment 5 and comparative example 1 respectively, comparative example 2, each 1kg of comparative example 3 join in the town domestic sewage of 15kg, temperature control is at 22 DEG C, it is stirred continuously 1.5h, the effect of the town domestic sewage inorganic agent of the present invention, test result table 1 is tested respectively using COD, BOD, SS, metal ion content as evaluation criterion.
As can be seen here, the town domestic sewage inorganic agent of the present invention, the most notable treatment effect is had compared with contrast groups, the present invention enables to the physical and chemical index of town domestic sewage and reaches GB18918-2002 standard (having reached more than one-level B standard), and effectively reduces COD, BOD, SS and metal ion content；Process technique is simple, and dosage is few, and treatment effect is good, stable performance, and effluent quality is good, can significantly reduce the cost that water processes, and has good economic benefit and social benefit widely.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, and without departing from the spirit or essential characteristics of the present invention, it is possible to realize the present invention in other specific forms.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is limited by claims rather than described above, it is intended that all changes fallen in the implication of equivalency and scope of claim included in the present invention.
In addition, it is to be understood that, although this specification is been described by according to embodiment, but the most each embodiment only comprises an independent technical scheme, this narrating mode of description is only for clarity sake, description should can also be formed, through appropriately combined, other embodiments that it will be appreciated by those skilled in the art that as an entirety, the technical scheme in each embodiment by those skilled in the art.
Claims (7)
1. a town domestic sewage inorganic agent, it is characterized in that, according to the component of weight portion be: kieselguhr 20-40 part, activated sludge 20-30 part, quartz sand 20-30 part, modified tapioca starch 15-25 part, Span 2-4 part, sodium acetate 40-60 part, bamboo charcoal 20-30 part, polyacrylamide 10-20 part, 2-Sulfosuccinic acid 2-3 part, iron chloride 0.1-0.5 part, carboxymethyl cellulose 20-25 part, tween 5-10 part, microbial biofilm 10-20 part.
Town domestic sewage inorganic agent the most according to claim 1, it is characterised in that the granular size of described quartz sand is 30-100 mesh.
Town domestic sewage inorganic agent the most according to claim 1, it is characterised in that the molecular weight of described xanthan gum is at 200-400 ten thousand, and viscosity is at more than 600cp.
Town domestic sewage inorganic agent the most according to claim 1, it is characterised in that described microbial biofilm is on the activated carbon through the biofilm cultivation gained of more than 48h by nitrogen-fixing bacteria, pseudomonas putida.
5. the preparation method of the town domestic sewage inorganic agent as described in claim 1-4 is arbitrary, it is characterised in that concretely comprise the following steps:
(1) first, add water in kieselguhr and activated sludge and obtain mixture slurry so that it is moisture content is 60%-90%, subsequently quartz sand is added, be crushed to the granule of 5-10mm diameter；
(2) then, granule is mixed homogeneously with quartz sand, modified tapioca starch, Span, sodium acetate, bamboo charcoal, after piling up 12-24h, obtain mixture I；
(3) secondly, mixture I carries out ultrasonic-microwave Combined Treatment, and the temperature that ultrasonic-microwave processes is 100 DEG C-110 DEG C, and the time is 2h-6h, obtains mixtures II；
(4) then, mixtures II and polyacrylamide, 2-Sulfosuccinic acid, iron chloride, carboxymethyl cellulose, tween carrying out mixing stirring pulping, every kind of raw material interpolation is all spaced 3-5min, obtains mixtures III；
(5) last, mixtures III and microbial biofilm are mixed and carry out low temperature spray drying process, obtains town domestic sewage inorganic agent.
The preparation method of town domestic sewage inorganic agent the most according to claim 5, it is characterised in that in step (1), the moisture content of mixture slurry is 75%.
The preparation method of town domestic sewage inorganic agent the most according to claim 5, it is characterised in that the temperature that in step (3), mixed high temperature microwave processes is 105 DEG C, and the time is 4h.
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Application publication date: 20160928 |