CN105000676B - A kind of processing method of amylum wastewater - Google Patents
A kind of processing method of amylum wastewater Download PDFInfo
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Abstract
The invention belongs to environmental technology field, a kind of processing method of amylum wastewater is disclosed, is comprised the following steps：Step 1）Prepare bio-carrier, step 2）Prepare biological agent, step 3）Wastewater treatment.Processing method simple possible of the present invention, can effectively remove the COD in waste water, SS and ammonia nitrogen pollutant, and with low cost, easily be accept by enterprises for.
Description
Technical field
The invention belongs to environmental technology field, more particularly to a kind of processing method of amylum wastewater.
Background technology
Starch processing is the crops such as sorghum, wheat, potato and sweet potato with corn, by the technique such as soaking, grinding
It is prepared into the technology of starch.It is higher that starch processing industry possesses water consume, the features such as contaminative is strong, according to the current work of China
Skill level, produces starch product per ton with water about in 30~40M3, the waste water of generation is 20~30M3, the COD of waste water is very high, leads to
Often it is 1000~30000mg/L, SS is 500-1000mg/L, and the BOD and chemical oxygen consumption (COC) of waste water are very high.Starch is given birth to
Substantial amounts of high concentrated organic wastewater discharges every year in production enterprise, and the wastewater treatment compliance rate of these Starch Production enterprises discharge is also very
It is low, severe contamination environment, while also turning into a principal element of restriction Starch Production and processing industry development.
The processing method of current starch wastewater mainly has materialization Coagulation Method and the major class of biochemical method two.Materialization Coagulation Method can only
Remove the suspended contamination and small part water soluble contaminants in starch wastewater, overall CODCrClearance about 30~50% it
Between, this method can only be the pretreatment as starch wastewater.Biochemical method turns into the main method of starch wastewater treatment, some
Biochemical method has been applied to have been reported that during the processing of starch wastewater, but the waste water that most of Starch Production enterprise discharges to it could not
It is effectively treated, majority is to use simple oxidative degradation processing method, let alone recycling treatment.Main cause has two
Individual aspect, one is that current treatment technology technique and equipment investment are larger, and floor space is big, the operation of device and difficult in maintenance,
Costly, enterprise is difficult to undertake；Two be these handling process and device general technical level it is not high, treatment effeciency is low, cost
Height, the waste water after processing is difficult to the discharge standard for reaching national regulation；Three be that microorganism compatibility is unreasonable, and oxidation effectiveness is poor, is thrown
Enter cost high.
The content of the invention
In order to overcome the shortcomings of prior art biochemical method, the present invention provides a kind of processing method of amylum wastewater.
This method biological agent input amount is few, and treatment effect is good, and service life is long, with low cost, alleviates business burden.
In order to solve the above technical problems, the technical scheme that the present invention takes is as follows：
A kind of processing method of amylum wastewater, comprises the following steps：
Step 1）Prepare bio-carrier：
A）Following each raw material for standby are weighed according to parts by weight, wherein, 1-2 parts of stalk, 1-2 parts of silica white, chitin 2-3
Part, 3-4 parts of kaolin, 5-6 parts of starch ether, 7-9 parts of polyacrylamide, 10-12 parts of polyvinyl alcohol, 25-30 parts of water；Preferably,
The particle diameter of silica white is 200 mesh；Stalk is maize straw or wheat stalk；
B）Stalk is crushed with pulverizer, kaolin is then added, is well mixed, is ground to the mixed-powder of 100 mesh；
C）By silica white, chitin, starch ether, polyacrylamide, polyvinyl alcohol and water are added to stirring reaction successively
In device, then 500 turns/min stirring 10min add step B）Mixed-powder, 500 turns/min stirring 3min, then stand 12
Hour, 60 DEG C of drying are finally placed in moisture 5%（Parts by weight）, produce bio-carrier；
Step 2）Prepare biological agent：
By bacillus subtilis, Acidithiobacillus ferrooxidans strain GF, Acinetobacter bauamnnii and Sphingomonas are trained respectively
It is 1 × 10 to support to concentration7Individual/ml bacterium solution, it is 1 × 10 that scenedesmus obliquus and chlorella are cultivated to concentration respectively5Individual/ml algae
Liquid；By the bacillus subtilis bacterium solution of above-mentioned culture, Acidithiobacillus ferrooxidans strain GF liquid, Acinetobacter bauamnnii liquid, sphingol monospore
Bacterium solution, scenedesmus obliquus liquid and bead algae solution are according to 3：2：2：1：1：1 volume ratio mixing, stands 6 hours, obtains mixed liquor
Body；By mixing liquid and step 1）The bio-carrier of preparation is according to 1：2 mass ratio is mixed evenly, room temperature fermentation 24-
36h, it is 10% to dry to water content（Parts by weight）, produce.
Step 3）Biological treatment：
Amylum wastewater flows through grid, removes suspension in water removal, subsequently enters regulating reservoir, the pH of regulation waste water is 6.5-
7, then according to 5g biological agents：The addition addition biological agent of 1 cubic metre of waste water, stands six days, discharge.
Strain of the present invention and algae can be commercially available from commercial sources such as collections.
The bacterium solution or algae solution of concentration needed for strain of the present invention and algae can be obtained by conventional cultural method,
The innovative point of this and non-invention, as space is limited, is not repeated one by one.
The beneficial effect that the present invention is obtained mainly includes：
The technique simple possible of present invention processing amylum wastewater, with low cost, high treating effect；What the present invention was provided
Bio-carrier, using the raw material of different-grain diameter, can not only expand the specific surface area of carrier, and with tensile strength it is big, point
Cloth is uniform, specific surface area is big, the features such as service life is long；The bio-carrier that the present invention is provided can greatly improve the attached of microorganism
Microorganism concn in the amount of wearing, the biofilm biomass of the overall attachment of increase, reactive tank is improved, and can reduce sludge generation
Amount；The anaerobism of microbe carrier offer of the present invention, the presence of anoxic and aerobic various environment can promote nitration denitrification to imitate
Really, while promoting the minimizing of sludge, COD in waste water, the removal of the pollutant such as SS and ammonia nitrogen are conducive to；The biology of the present invention
The various strains that can form dominant microflora and algae are configured to reasonable compatibility between high-performance bio preparation, each microorganism by preparation,
Symbiosis is coordinated, mutually not antagonism, and biomass is big, and breeding is fast；Biological agent of the present invention is suitable to wastewater treatment, is readily transported and preserves,
Activation is easier when using, operating cost is cheap.
Embodiment
In order that those skilled in the art more fully understand the technical scheme in the application, have below in conjunction with the application
Body embodiment, the technical scheme to the application is clearly and completely described, it is clear that described embodiment is only this Shen
Please a part of embodiment, rather than whole embodiment.Based on the embodiment in the application, those of ordinary skill in the art are not having
There is the every other embodiment made and obtained under the premise of creative work, should all belong to the scope of protection of the invention.
Embodiment 1
A kind of processing method of amylum wastewater, comprises the following steps：
Step 1）Prepare bio-carrier：
A）Following each raw material for standby are weighed according to parts by weight, wherein, 1 part of stalk, 1 part of silica white, 2 parts of chitin, kaolinite
3 parts of soil, 5 parts of starch ether, 7 parts of polyacrylamide, 10 parts of polyvinyl alcohol, 25 parts of water；Wherein, the particle diameter of silica white is 200 mesh；Straw
Stalk is maize straw；
B）Stalk is crushed with pulverizer, kaolin is then added, is well mixed, is ground to the mixed-powder of 100 mesh；
C）By silica white, chitin, starch ether, polyacrylamide, polyvinyl alcohol and water are added to stirring reaction successively
In device, then 500 turns/min stirring 10min add step B）Mixed-powder, 500 turns/min stirring 3min, then stand 12
Hour, 60 DEG C of drying are finally placed in moisture 5%（Parts by weight）, produce bio-carrier；
Step 2）Prepare biological agent：
By bacillus subtilis, Acidithiobacillus ferrooxidans strain GF, Acinetobacter bauamnnii and Sphingomonas are trained respectively
It is 1 × 10 to support to concentration7Individual/ml bacterium solution, it is 1 × 10 that scenedesmus obliquus and chlorella are cultivated to concentration respectively5Individual/ml algae
Liquid；By the bacillus subtilis bacterium solution of above-mentioned culture, Acidithiobacillus ferrooxidans strain GF liquid, Acinetobacter bauamnnii liquid, sphingol monospore
Bacterium solution, scenedesmus obliquus liquid and bead algae solution are according to 3：2：2：1：1：1 volume ratio mixing, stands 6 hours, obtains mixed liquor
Body；By mixing liquid and step 1）The bio-carrier of preparation is according to 1：2 mass ratio is mixed evenly, room temperature fermentation 24-
36h, it is 10% to dry to water content（Parts by weight）, produce.
Step 3）Wastewater treatment：
Amylum wastewater flows through grid, removes suspension in water removal, subsequently enters regulating reservoir, the pH of regulation waste water is 6.5,
Then according to 5g biological agents：The addition addition biological agent of 1 cubic metre of waste water, stands six days, discharge.
Embodiment 2
A kind of processing method of amylum wastewater, comprises the following steps：
Step 1）Prepare bio-carrier：
A）Following each raw material for standby are weighed according to parts by weight, wherein, 2 parts of stalk, 2 parts of silica white, 3 parts of chitin, kaolinite
4 parts of soil, 6 parts of starch ether, 9 parts of polyacrylamide, 12 parts of polyvinyl alcohol, 30 parts of water；Wherein, the particle diameter of silica white is 200 mesh；Straw
Stalk is wheat stalk；
B）Stalk is crushed with pulverizer, kaolin is then added, is well mixed, is ground to the mixed-powder of 100 mesh；
C）By silica white, chitin, starch ether, polyacrylamide, polyvinyl alcohol and water are added to stirring reaction successively
In device, then 500 turns/min stirring 10min add step B）Mixed-powder, 500 turns/min stirring 3min, then stand 12
Hour, 60 DEG C of drying are finally placed in moisture 5%（Parts by weight）, produce bio-carrier；
Step 2）Prepare biological agent：
By bacillus subtilis, Acidithiobacillus ferrooxidans strain GF, Acinetobacter bauamnnii and Sphingomonas are trained respectively
It is 1 × 10 to support to concentration7Individual/ml bacterium solution, it is 1 × 10 that scenedesmus obliquus and chlorella are cultivated to concentration respectively5Individual/ml algae
Liquid；By the bacillus subtilis bacterium solution of above-mentioned culture, Acidithiobacillus ferrooxidans strain GF liquid, Acinetobacter bauamnnii liquid, sphingol monospore
Bacterium solution, scenedesmus obliquus liquid and bead algae solution are according to 3：2：2：1：1：1 volume ratio mixing, stands 6 hours, obtains mixed liquor
Body；By mixing liquid and step 1）The bio-carrier of preparation is according to 1：2 mass ratio is mixed evenly, room temperature fermentation 24-
36h, it is 10% to dry to water content（Parts by weight）, produce.Wherein, bacillus subtilis is（Bacillus subtilis）
CGMCC NO：2947 (reference can be made to CN101838621A), Acidithiobacillus ferrooxidans strain GF is（Acidithiobacillus
ferrooxidans）ATCC 53993（Reference can be made to document A genomic island provides Acidithiobacillus
ferrooxidans ATCC 53993 additional copper resistance: a possible competitive
advantage. Appl Microbiol Biotechnol. 2011）；
, Acinetobacter bauamnnii is that (Acinetobacter baumanii) is ATCC 19606（Reference can be made to Infect
Immun. 2012 Mar;80(3):1015-24）, Sphingomonas is（Sphingomonas sp.） CGMCC NO.4589
（Reference can be made to CN102168054A）, scenedesmus obliquus is（Scenedesmus obliquus）CGMCC No.8015（Reference can be made to
CN103484374A）, chlorella is（Chlorella sp.）CGMCC NO：3037（CN101565675A）.
Step 3）Wastewater treatment：
Amylum wastewater flows through grid, removes suspension in water removal, subsequently enters regulating reservoir, the pH of regulation waste water is 6.5-
7, then according to 5g biological agents：The addition addition biological agent of 1 cubic metre of waste water, stands six days, discharge.
Embodiment 3
The effect test of processing method of the present invention：
Control group 1：Use sawdust carrier；Microorganism type is identical with test group；Processing mode：Continuously add after three days,
5g/ cubic metres daily, then stand six days, detection process the results are shown in Table 1.
Control group 2：Carrier is same as Example 2, except that four kinds of bacterium are only added, but without algae；Processing side
Formula：5g/ cubic metres are added within first day, then stands six days, detection process the results are shown in Table 1.
Test group：According to the technique of the embodiment of the present invention 2.
Table 1
| Index | Before processing（mg/L） | After processing（Control group 1）（mg/L） | After processing（Control group 2）（mg/L） | After processing（Test group）（mg/L） |
| COD | 2981 | 36.9 | 78.3 | 7.2 |
| SS | 623 | 32.1 | 43.6 | 4.9 |
| NH3-N | 127 | 8.2 | 12.9 | 3.5 |
Conclusion：Processing method simple possible of the present invention, removal pollutant effect is good, with low cost；Life prepared by the present invention
Thing carrier is big empty network structure, and microorganism adhesion effect is good, and input number of times and weight are reduced, and service life is long, nothing
It need to repeatedly deliver, save cost, reduce the yield of sludge.Mushroom and algae are rationally matched somebody with somebody in microorganism formulation of the present invention
5, it can effectively remove the COD in waste water, SS and ammonia nitrogen pollutant.
Although above having made detailed explanation to this case with generality explanation and embodiment, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
The modification or improvement made without departing from theon the basis of the spirit of the present invention, belong to the scope of protection of present invention.
Claims (1)
1. a kind of processing method of amylum wastewater, it is characterised in that methods described comprises the following steps：
Step 1）Prepare bio-carrier：
A）Following each raw material for standby are weighed according to parts by weight, wherein, 1-2 parts of stalk, 1-2 parts of silica white, 2-3 parts of chitin is high
3-4 parts of ridge soil, 5-6 parts of starch ether, 7-9 parts of polyacrylamide, 10-12 parts of polyvinyl alcohol, 25-30 parts of water；
B）Stalk is crushed with pulverizer, kaolin is then added, is well mixed, is ground to the mixed-powder of 100 mesh；
C）By silica white, chitin, starch ether, polyacrylamide, polyvinyl alcohol and water are added in stirred reactor successively,
500 turns/min stirs 10min, then adds step B）Mixed-powder, 500 turns/min stirring 3min, then stand 12 hours,
60 DEG C of drying are finally placed in moisture 5%, bio-carrier is produced；
Step 2）Prepare biological agent：
By bacillus subtilis, Acidithiobacillus ferrooxidans strain GF, Acinetobacter bauamnnii and Sphingomonas cultivate respectively to
Concentration is 1 × 107Individual/ml bacterium solution, it is 1 × 10 that scenedesmus obliquus and chlorella are cultivated to concentration respectively5Individual/ml algae solution；Will
The bacillus subtilis bacterium solution of above-mentioned culture, Acidithiobacillus ferrooxidans strain GF liquid, Acinetobacter bauamnnii liquid, Sphingomonas liquid,
Scenedesmus obliquus liquid and bead algae solution are according to 3：2：2：1：1：1 volume ratio mixing, stands 6 hours, obtains mixing liquid；Will be mixed
Close liquid and step 1）The bio-carrier of preparation is according to 1：2 mass ratio is mixed evenly, room temperature fermentation 24-36h, dries extremely
Water content is 10%, is produced；
Step 3）Wastewater treatment：
Amylum wastewater flows through grid, removes oil removal, subsequently enters regulating reservoir, the pH of regulation waste water is 6.5-7, is then pressed
According to 5g biological agents：The addition addition step 2 of 1 cubic metre of waste water）The biological agent of preparation, stands six days, discharge.
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| CN105236593A (en) * | 2015-11-13 | 2016-01-13 | 济南昊泽环保科技有限公司 | Waste water treatment agent for bean vermicelli production enterprise and waste water treatment method |
| CN105948399B (en) * | 2016-06-22 | 2019-05-24 | 内蒙古阜丰生物科技有限公司 | The biochemical preparation and preparation method thereof of xanthan gum production waste water |
| CN107265687B (en) * | 2017-08-17 | 2020-09-01 | 齐齐哈尔龙江阜丰生物科技有限公司 | Corn starch process water recycling process |
| CN110902950B (en) * | 2019-12-02 | 2022-02-11 | 齐齐哈尔龙江阜丰生物科技有限公司 | Treatment method of starch industrial wastewater |
| CN110921841B (en) * | 2019-12-02 | 2022-04-08 | 齐齐哈尔龙江阜丰生物科技有限公司 | Biochemical preparation for repairing starch industrial wastewater |
| CN112005950B (en) * | 2020-07-23 | 2023-02-03 | 湖南盛义建设有限公司 | Ecological farmland system and construction method thereof |
| CN113957022B (en) * | 2021-12-09 | 2024-06-25 | 河北科技大学 | Preparation method and application of composite microbial agent |
| CN116750870B (en) * | 2023-08-16 | 2023-10-27 | 山东铭浩环保科技有限公司 | Method for removing total nitrogen from wastewater |
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