CN106517373A - Industrial wastewater treating agent and preparation method thereof - Google Patents
Industrial wastewater treating agent and preparation method thereof Download PDFInfo
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- CN106517373A CN106517373A CN201611016297.6A CN201611016297A CN106517373A CN 106517373 A CN106517373 A CN 106517373A CN 201611016297 A CN201611016297 A CN 201611016297A CN 106517373 A CN106517373 A CN 106517373A
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- industrial wastewater
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Classifications
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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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/10—Solids, e.g. total solids [TS], total suspended solids [TSS] or volatile solids [VS]
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Fodder In General (AREA)
Abstract
The invention discloses an industrial wastewater treating agent, prepared from, by weight, 3-6 parts of alum powder, 5-9 parts of bamboo charcoal powder, 1-3 parts of hydrogen perioxide, 6-11 parts of sodium alginate, 3-8 parts of iron chloride, 15-22 parts of diatom ooze, 4-7 parts of modified bentonite, 20-25 parts of carbon black, 20-28 parts of water-soluble polyester resin, 1.5-4 parts of edible oil, 2-8 parts of glucose, 4-12 parts of straw powder, 2-6 parts of fish meal, and 5-10 parts of flaxseed. The invention also discloses a preparation method of the industrial wastewater treating agent. The materials are widely resourceful, the preparation process is simple, the production cost is low, and the industrial wastewater treating agent is suitable for large-scale industrial production; the prepared agent is effective for reducing COD, BOD, SS and metal ion contents in industrial wastewater, little agent is used, the agent has good treating effect, effluent quality is good, industrial wastewater treating cost is effectively lowered, and good economic and social benefits are provided.
Description
Technical field
The present invention relates to sewage treatment area, specifically a kind of Industrial waste water treatment agent.
Background technology
Water is Source of life, is the most valuable resource of nature.Protection, utilization and the process of water resource is in the world today
One of most popular topic, therefore, have developed rapidly about the research work of water quality and water technology in the world, from Industry Waste
The pollution of water and sanitary wastewater is also the significant problem that country faces.China is one of country that water resource lacks in the world, water
The exploitation of matter and water technology has very big development, and environmental conservation, water saving shield water are made that very big contribution, but show rank
The sewage disposal technology of section is compared with developed country still larger gap.Process water resource pollution problem have physics, chemistry,
Various methods such as biological, comprehensive, but to there is treatment effect physical method not good more, handling rate instability problem;Biological method
Processing cost is too high, is not suitable for promoting the use of;It is many using chemical method processing sewage, but existing Industrial Wastewater Treatment
There is secondary pollution in agent, its agent formulations, environment can also be had a certain impact.
The content of the invention
It is an object of the invention to provide a kind of Industrial waste water treatment agent, with asking for solving to propose in above-mentioned background technology
Topic.
For achieving the above object, the present invention provides following technical scheme:
A kind of Industrial waste water treatment agent, is made up of according to weight portion following raw material:Alum powder 3-6 parts, bamboo charcoal powder 5-9 part,
Hydrogen peroxide 1-3 parts, sodium alginate 6-11 parts, iron chloride 3-8 parts, diatom ooze 15-22 parts, modified alta-mud 4-7 parts, white carbon black 20-
25 parts, water-soluble polyester resin 20-28 parts, edible oil 1.5-4 parts, glucose 2-8 parts, stalk powder 4-12 parts, fish flour 2-6 parts
With Semen Lini 5-10 parts.
As further scheme of the invention:Modified alta-mud is stirred bentonite while spray dilute hydrochloric acid, is sprayed
Spill, the polypropylene of 2-6 times of weight portion is then added in bentonite
Amide and stir, 1-3 hours are reacted under 45-60 degree Celsius after stirring, carrying out drying, grinding and mistake
400-600 mesh sieves are obtained.
As further scheme of the invention:Stalk powder adopts corn straw, soybean stalk, broomcorn straw and Semen Tritici aestivi
The mixture of one or more of straw, edible oil adopt vegetable oil.
The preparation method of the Industrial waste water treatment agent, comprises the following steps that:
White carbon black is ground and is crossed 400-600 mesh sieves, obtains hydrocarbon black powder by step one;
Step 2, hydrocarbon black powder, alum powder, iron chloride, diatom ooze and Semen Lini are put in blender and 2-6 is added
The water of times weight, blender with the rotating speed stirring 20-45 minutes of 150-240rpm, obtain the first mixed solution at normal temperatures;
Step 3, bamboo charcoal powder, hydrogen peroxide, sodium alginate and modified alta-mud are put in the water of 3-8 times of weight portion to be carried out
Ultrasonic to disperse at a high speed, the frequency of ultrasound wave is 20-40KHz, and rate of dispersion is 5000-5400rpm, and jitter time is that 30-60 divides
Clock, obtains the second mixed solution;
Step 4, water-soluble polyester resin, edible oil, glucose, stalk powder and fish flour are placed in hermetic container
And the standing that adds water 3-8 hours, obtain the 3rd mixed solution;
Step 5, the first mixed solution, the second mixed solution and the 3rd mixed solution are added in blender, and blender exists
With the rotating speed stirring 30-60 minutes of 300-450rpm under 35-52 degree Celsius, the product for stirring carries out dry in the sun, after dry in the sun
Mixture is sent into comminutor and carries out pelletize, you can finished product.
Compared with prior art, the invention has the beneficial effects as follows:Extensively, preparation process is simple is raw for raw material sources of the present invention
Produce low cost, it is adaptable to large-scale industrial production;Medicine prepared by the present invention effectively reduce COD in industrial wastewater,
BOD, SS and metal ion content, handling process are simple, and dosage is few, and treatment effect is good, and stable performance, effluent quality are good,
The cost of Industrial Wastewater Treatment is significantly reduced, with good economic benefit and extensive social benefit.
Specific embodiment
The technical scheme of this patent is described in more detail with reference to specific embodiment.
Embodiment 1
A kind of Industrial waste water treatment agent, is made up of according to weight portion following raw material:3 parts of alum powder, 5 parts of bamboo charcoal powder, dioxygen
1 part of water, 6 parts of sodium alginate, 3 parts of iron chloride, 15 parts of diatom ooze, 4 parts of modified alta-mud, 20 parts of white carbon black, water-soluble polyester resin
5 parts of 20 parts, 1.5 parts of edible oil, 2 parts of glucose, 4 parts of stalk powder, 2 parts of fish flour and Semen Lini.Modified alta-mud is by swelling
Soil is stirred while spraying dilute hydrochloric acid, sprinkling dilute hydrochloric acid is placed on 10 minutes in closed environment, then in bentonite after terminating
It is middle add 3 times of weight portions polyacrylamide and stir, after stirring under 45 degrees Celsius react 1 hour, entering
Row is dried, is ground and cross 400 mesh sieves and obtains.
The preparation method of the Industrial waste water treatment agent, comprises the following steps that:
White carbon black is ground and is crossed 400 mesh sieves, obtains hydrocarbon black powder by step one;
Step 2, hydrocarbon black powder, alum powder, iron chloride, diatom ooze and Semen Lini are put in blender and 3 times are added
The water of weight, blender are stirred 25 minutes with the rotating speed of 150rpm at normal temperatures, obtain the first mixed solution;
Step 3, bamboo charcoal powder, hydrogen peroxide, sodium alginate and modified alta-mud is put in the water of 5 times of weight portions and is surpassed
Sound pitch speed dispersion, the frequency of ultrasound wave is 20KHz, and rate of dispersion is 5000rpm, and jitter time is 50 minutes, obtains second and mixes
Close solution;
Step 4, water-soluble polyester resin, edible oil, glucose, stalk powder and fish flour are placed in hermetic container
And the standing that adds water 6 hours, obtains the 3rd mixed solution;
Step 5, the first mixed solution, the second mixed solution and the 3rd mixed solution are added in blender, and blender exists
Stirred 30 minutes with the rotating speed of 300rpm under 39 degrees Celsius, the product for stirring carries out dry in the sun, the mixture after dry in the sun is sent into
Comminutor carries out pelletize, you can finished product.
Embodiment 2
A kind of Industrial waste water treatment agent, is made up of according to weight portion following raw material:5 parts of alum powder, 7 parts of bamboo charcoal powder, dioxygen
2 parts of water, 9 parts of sodium alginate, 6 parts of iron chloride, 18 parts of diatom ooze, 5 parts of modified alta-mud, 22 parts of white carbon black, water-soluble polyester resin
8 parts of 24 parts, 3 parts of edible oil, 5 parts of glucose, 9 parts of stalk powder, 5 parts of fish flour and Semen Lini.Stalk powder adopts wheat stalk,
Edible oil adopts soybean oil.
The preparation method of the Industrial waste water treatment agent, comprises the following steps that:
White carbon black is ground and is crossed 400-600 mesh sieves, obtains hydrocarbon black powder by step one;
Step 2, hydrocarbon black powder, alum powder, iron chloride, diatom ooze and Semen Lini are put in blender and 5 times are added
The water of weight, blender are stirred 40 minutes with the rotating speed of 180rpm at normal temperatures, obtain the first mixed solution;
Step 3, bamboo charcoal powder, hydrogen peroxide, sodium alginate and modified alta-mud is put in the water of 5 times of weight portions and is surpassed
Sound pitch speed dispersion, the frequency of ultrasound wave is 28KHz, and rate of dispersion is 5200rpm, and jitter time is 45 minutes, obtains second and mixes
Close solution;
Step 4, water-soluble polyester resin, soybean oil, glucose, stalk powder and fish flour are placed in hermetic container
And the standing that adds water 6 hours, obtains the 3rd mixed solution;
Step 5, the first mixed solution, the second mixed solution and the 3rd mixed solution are added in blender, and blender exists
Stirred 40 minutes with the rotating speed of 360rpm under 42 degrees Celsius, the product for stirring carries out dry in the sun, the mixture after dry in the sun is sent into
Comminutor carries out pelletize, you can finished product.
Embodiment 3
A kind of Industrial waste water treatment agent, is made up of according to weight portion following raw material:6 parts of alum powder, 9 parts of bamboo charcoal powder, dioxygen
3 parts of water, 11 parts of sodium alginate, 8 parts of iron chloride, 22 parts of diatom ooze, 7 parts of modified alta-mud, 25 parts of white carbon black, water-soluble polyester resin
10 parts of 28 parts, 4 parts of edible oil, 8 parts of glucose, 12 parts of stalk powder, 6 parts of fish flour and Semen Lini.Modified alta-mud is by swelling
Soil is stirred while spraying dilute hydrochloric acid, sprinkling dilute hydrochloric acid is placed on 15 minutes in closed environment, then in bentonite after terminating
It is middle add 5 times of weight portions polyacrylamide and stir, after stirring under 54 degrees Celsius react 2.5 hours,
Dried, ground and crossed 520 mesh sieves and obtained.Stalk powder adopts corn straw, soybean stalk, broomcorn straw and wheat straw
The mixture of stalk, edible oil adopt Oleum Brassicae campestriss.
The preparation method of the Industrial waste water treatment agent, comprises the following steps that:
White carbon black is ground and is crossed 600 mesh sieves, obtains hydrocarbon black powder by step one;
Step 2, hydrocarbon black powder, alum powder, iron chloride, diatom ooze and Semen Lini are put in blender and 5 times are added
The water of weight, blender are stirred 40 minutes with the rotating speed of 200rpm at normal temperatures, obtain the first mixed solution;
Step 3, bamboo charcoal powder, hydrogen peroxide, sodium alginate and modified alta-mud is put in the water of 7 times of weight portions and is surpassed
Sound pitch speed dispersion, the frequency of ultrasound wave is 35KHz, and rate of dispersion is 5400rpm, and jitter time is 60 minutes, obtains second and mixes
Close solution;
Step 4, water-soluble polyester resin, Oleum Brassicae campestriss, glucose, stalk powder and fish flour are placed in hermetic container
And the standing that adds water 7 hours, obtains the 3rd mixed solution;
Step 5, the first mixed solution, the second mixed solution and the 3rd mixed solution are added in blender, and blender exists
Stirred 55 minutes with the rotating speed of 450rpm under 48 degrees Celsius, the product for stirring carries out dry in the sun, the mixture after dry in the sun is sent into
Comminutor carries out pelletize, you can finished product.
Comparative example 1
Except fish flour is not contained, remaining component and preparation method of comparative example 1 is with embodiment 2.
The product of embodiment 1-3 of 1kg, the product of comparative example 1 and existing medicament are added the industrial wastewater of 100kg respectively
In and be stirred continuously 1 hour, add the COD before and after medicament, BOD, SS, metal ion content content to be shown in Table 1.
Table 1
COD(mg/L) | BOD(mg/L) | SS(mg/L) | Metal ion content (%) | |
Industrial wastewater water sample | 4350 | 380 | 1240 | 68.3 |
Embodiment 1 | 45 | 19 | 30 | 1.8 |
Embodiment 2 | 48 | 22 | 35 | 1.5 |
Embodiment 3 | 53 | 15 | 28 | 2.3 |
Comparative example 1 | 1084 | 184 | 236 | 43.2 |
Existing medicament | 364 | 105 | 154 | 5.8 |
As can be seen from Table 1 the product of embodiment 1-3 effectively reduce in industrial wastewater COD, BOD, SS and metal from
Sub- content, treatment effect are far superior to comparative example 1 and existing medicament, and simply, dosage is few for handling process, and treatment effect is good,
Stable performance, effluent quality are good, significantly reduce the cost of Industrial Wastewater Treatment, with good economic benefit and widely
Social benefit.
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, Er Qie
In the case of spirit or essential attributes without departing substantially from the present invention, the present invention can be realized 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 by appended power
Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.
Moreover, it will be appreciated that although this specification is been described by according to embodiment, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of description is only that those skilled in the art should for clarity
Using description as an entirety, the technical scheme in each embodiment can also Jing it is appropriately combined, form those skilled in the art
Understandable other embodiment.
Claims (4)
1. a kind of Industrial waste water treatment agent, it is characterised in that be made up of according to weight portion following raw material:Alum powder 3-6 parts, bamboo charcoal
Powder 5-9 parts, hydrogen peroxide 1-3 parts, sodium alginate 6-11 parts, iron chloride 3-8 parts, diatom ooze 15-22 parts, modified alta-mud 4-7 parts,
White carbon black 20-25 parts, water-soluble polyester resin 20-28 parts, edible oil 1.5-4 parts, glucose 2-8 parts, stalk powder 4-12 parts, fish
Powder 2-6 parts and Semen Lini 5-10 parts.
2. Industrial waste water treatment agent according to claim 1, it is characterised in that the modified alta-mud is by bentonite one
While stirring while spraying dilute hydrochloric acid, sprinkling dilute hydrochloric acid is placed on 10-25 minutes in closed environment after terminating, then in bentonite
Add 2-6 times of weight portion polyacrylamide and stir, after stirring under 45-60 degree Celsius react 1-3 hours,
Obtained drying, being ground and crossed 400-600 mesh sieves.
3. Industrial waste water treatment agent according to claim 1 and 2, it is characterised in that the stalk powder adopts corn stalk
The mixture of one or more of stalk, soybean stalk, broomcorn straw and wheat stalk, edible oil adopt vegetable oil.
4. a kind of preparation method of the Industrial waste water treatment agent as described in claim 1-3 is arbitrary, it is characterised in that concrete steps
It is as follows:
White carbon black is ground and is crossed 400-600 mesh sieves, obtains hydrocarbon black powder by step one;
Step 2, hydrocarbon black powder, alum powder, iron chloride, diatom ooze and Semen Lini is put in blender and adds 2-6 times to weigh
The water of amount, blender with the rotating speed stirring 20-45 minutes of 150-240rpm, obtain the first mixed solution at normal temperatures;
Step 3, bamboo charcoal powder, hydrogen peroxide, sodium alginate and modified alta-mud are put in the water of 3-8 times of weight portion carries out ultrasound
Disperse at a high speed, the frequency of ultrasound wave is 20-40KHz, and rate of dispersion is 5000-5400rpm, and jitter time is 30-60 minutes, is obtained
To the second mixed solution;
Step 4, water-soluble polyester resin, edible oil, glucose, stalk powder and fish flour are placed in hermetic container and
The standing that adds water 3-8 hours, obtain the 3rd mixed solution;
Step 5, the first mixed solution, the second mixed solution and the 3rd mixed solution are added in blender, and blender is in 35-
With the rotating speed stirring 30-60 minutes of 300-450rpm under 52 degrees Celsius, the product for stirring carries out dry in the sun, the mixing after dry in the sun
Thing is sent into comminutor and carries out pelletize, you can finished product.
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CN201611016297.6A CN106517373A (en) | 2016-11-18 | 2016-11-18 | Industrial wastewater treating agent and preparation method thereof |
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CN201611016297.6A CN106517373A (en) | 2016-11-18 | 2016-11-18 | Industrial wastewater treating agent and preparation method thereof |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110526326A (en) * | 2018-05-23 | 2019-12-03 | 河南仁华生物科技有限公司 | A kind of multipurpose waste water treating agent |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56158194A (en) * | 1980-05-09 | 1981-12-05 | Kurita Kasen Kk | Treatment of excavation sludge water |
CN102020391A (en) * | 2010-12-23 | 2011-04-20 | 北京拓峰科技开发有限责任公司 | Novel process for coking wastewater treatment |
CN103880222A (en) * | 2014-04-14 | 2014-06-25 | 南京大学 | Method for coagulation-ion exchange-coagulation circulating reflux treatment of secondary effluent |
CN104229957A (en) * | 2013-06-24 | 2014-12-24 | 张家领 | Compound flocculant taking natural minerals as main components |
CN104291408A (en) * | 2014-09-23 | 2015-01-21 | 博瑞德(南京)净化技术有限公司 | Special sewage treatment agent for organisms and application method of sewage treatment agent |
CN104355377A (en) * | 2014-10-21 | 2015-02-18 | 苏州富奇诺水治理设备有限公司 | Sewage treatment agent and preparation method |
CN104743712A (en) * | 2015-04-13 | 2015-07-01 | 刘冬峰 | Method for quickly removing greasy dirt in sewage |
-
2016
- 2016-11-18 CN CN201611016297.6A patent/CN106517373A/en not_active Withdrawn
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56158194A (en) * | 1980-05-09 | 1981-12-05 | Kurita Kasen Kk | Treatment of excavation sludge water |
CN102020391A (en) * | 2010-12-23 | 2011-04-20 | 北京拓峰科技开发有限责任公司 | Novel process for coking wastewater treatment |
CN104229957A (en) * | 2013-06-24 | 2014-12-24 | 张家领 | Compound flocculant taking natural minerals as main components |
CN103880222A (en) * | 2014-04-14 | 2014-06-25 | 南京大学 | Method for coagulation-ion exchange-coagulation circulating reflux treatment of secondary effluent |
CN104291408A (en) * | 2014-09-23 | 2015-01-21 | 博瑞德(南京)净化技术有限公司 | Special sewage treatment agent for organisms and application method of sewage treatment agent |
CN104355377A (en) * | 2014-10-21 | 2015-02-18 | 苏州富奇诺水治理设备有限公司 | Sewage treatment agent and preparation method |
CN104743712A (en) * | 2015-04-13 | 2015-07-01 | 刘冬峰 | Method for quickly removing greasy dirt in sewage |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110526326A (en) * | 2018-05-23 | 2019-12-03 | 河南仁华生物科技有限公司 | A kind of multipurpose waste water treating agent |
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