CN108439744A - A kind of sludge reduction method combined with biological enzyme and microbial using microwave - Google Patents
A kind of sludge reduction method combined with biological enzyme and microbial using microwave Download PDFInfo
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- CN108439744A CN108439744A CN201810510287.0A CN201810510287A CN108439744A CN 108439744 A CN108439744 A CN 108439744A CN 201810510287 A CN201810510287 A CN 201810510287A CN 108439744 A CN108439744 A CN 108439744A
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- lysozyme
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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
- C02F11/00—Treatment of sludge; Devices therefor
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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
- C02F2303/00—Specific treatment goals
- C02F2303/06—Sludge reduction, e.g. by lysis
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- Treatment Of Sludge (AREA)
Abstract
The present invention provides a kind of sludge reduction methods combined with biological enzyme and microbial using microwave, including：Organic substrate content is accounted for into 45% or more sludge in Microwave Pretreatment tank and carries out pretreatment 15min 35min；Lysozyme and the pretreated sludge mixing quality ratio of microblogging are 1:1500, lysozyme and mud mixed liquid are obtained in retort；Lysozyme decomposes organic substrate in sludge after being mixed with compound strain with mud mixed liquid, generate the available energy, it is peptostreptococcus, veillonellasp, Propionibacterium, burning things which may cause a fire disaster methanosarcina lactobacillus, Pasteur's sarcina methanica, extreme thermophilic Gu bacterium and anaerobic ammonia oxidizing bacteria to make mud decrement, the compound strain.The organic substrate sludge that the present invention carries out biochemical system generation using microwave and special efficacy enzyme and microorganism is thoroughly cut down, and converts sludge to the available energy by the technology；The biochemical sludge of yield has ideal abatement effect in municipal wastewater and During Industrial Wastewater Treatment Process.
Description
Technical field
The present invention relates to technical field of sludge treatment, especially relate to and a kind of are combined with biological enzyme and microbial using microwave
Sludge reduction method.
Background technology
Under normal circumstances, sewage treatment plant, which handles 10,000 tons of sanitary sewages, can generate 5-8 tons of the sludge of moisture content 80%, place
It manages 10,000 tons of trade effluents and generates 10-30 tons of sludge.It is calculated respectively according to 7 tons and 20 tons of unit outputs, then the year two thousand twenty China
Urban life sludge yield is 43,820,000 tons, and industrial sludge yield is 40,000,000 tons, amounts to 83,820,000 tons.With sludge yield
It is opposite to be increased continuously trend, China's sewage sludge harmlessness reason rate is still low, and large amount of sewage factory takes directly topples over or simply fill out
Disposition means processing sludge is buried, E20 research institutes data are shown, area in all parts of the country wet mud harmless treatment rate average value in 2015
It is 32%.
Data show that Treatment of Sludge mode in China's mainly has the modes such as landfill, compost, natural desiccation, burning at present, this four
The accounting of kind processing method is respectively 65%, 15%, 6%, 3%.China's Treatment of Sludge mode be can be seen that still based on landfill,
In addition China's urban wastewater treatment enterprise disposing capacity is insufficient, disposes means falls behind, the place that a large amount of sludge are not standardized
Reason, directly results in " secondary pollution ", is seriously threatened to ecological environment generation.
Currently, domestic or even external be merely resting on sludge to the processing overwhelming majority of sludge and how to dry or how to fill
It is technical, there are the efficiency of mud decrement is slow, easily pollute, and operating cost and the big technical problem of investment.
Invention content
The present invention provides a kind of sludge reduction methods combined with biological enzyme and microbial using microwave, for sewage
The exhausted big portion's sludge generated in processing procedure contains a large amount of organic substrate, will using magnetic wave and the method for biological enzyme and microorganism
Organic substrate in sludge is cut down, and generates a large amount of energy gas methane, to truly realize sludge
Decrement, the technology solve the efficiency of mud decrement, operating cost and the big problem of investment, to really realize the harmless of sludge
The treatment technology revolution for changing environmental protection provides efficient physical cell wall breaking technology before carrying out biodegradation for sludge；For life
Change the selection of activated sludge containing organic substrate efficient biological enzyme and microbial fermentation bacterial strain；Solves the efficiency of sludge abatement process
And cost of investment Problem Technical problem.
In order to achieve the above object, the present invention provides a kind of sludge combined with biological enzyme and microbial using microwave
Decrement method, this method include：
It is 107.5GHz by frequency, wavelength, which will be 219.7 millimeters of microwave, to be had Step 1: in Microwave Pretreatment tank
Machine matrix content accounts for 45% or more sludge and carries out pretreatment 15min-35min, and pretreated sludge is broken microbial cell
It is bad；
Step 2: lysozyme and the pretreated sludge mixing quality ratio of microblogging are 1:1500, it is controlled in retort
Between 25-45 degree, PH is mixed 25 minutes between 6-9, obtains lysozyme and mud mixed liquid temperature；
Step 3: lysozyme decomposes organic substrate in sludge after being mixed with compound strain with mud mixed liquid, production
The raw available energy, it is peptostreptococcus (peptostreptococcus), Wei Rong Shi to make mud decrement, the compound strain
Coccus (veillonella), Propionibacterium (propionibacterium), burning things which may cause a fire disaster methanosarcina lactobacillus
(lactobacillus), Pasteur's sarcina methanica, extreme thermophilic Gu bacterium and anaerobic ammonia oxidizing bacteria.
In step 1, organic substrate content accounts for the 55% below of gross dry weight in sludge, passes through microwave treatment 15-25min；
Organic substrate content accounts for 55% of gross dry weight or more in sludge, passes through microwave treatment 25-35min.
In step 1, sludge moisture content is between 95%-98%, without dehydration.
Further, lysozyme is cut down after being mixed with mud mixed liquid with compound strain in tank again controls its reaction condition
PH is 7-9, and for temperature between 35-40 degree, stirring frequency is that one minute 10-15 turns.
Further, bacterium enzyme and the mass ratio of mud mixed liquid and compound strain are as follows：
Bacterium enzyme and mud mixed liquid：Peptostreptococcus (peptostreptococcus)：Veillonellasp
(veillonella)：Propionibacterium (propionibacterium)：Burning things which may cause a fire disaster methanosarcina lactobacillus (lactobacillus)：
Pasteur's sarcina methanica：Extreme thermophilic Gu bacterium：Anaerobic ammonia oxidizing bacteria=1000:0.02:0.015:0.01:0.03:0.032:
0.045。
Further, the available energy is biogas.
Compared with prior art, a kind of sludge combined with biological enzyme and microbial using microwave provided by the invention is subtracted
Amount method, the organic substrate sludge that biochemical system generation is carried out using microwave and special efficacy enzyme and microorganism is thoroughly cut down, and leads to
It crosses the technology and converts sludge to the available energy (biogas)；This technology is produced in municipal wastewater and During Industrial Wastewater Treatment Process
The biochemical sludge of amount has ideal abatement effect, is to provide efficient physical cell broken wall skill before sludge progress is biodegradable
Art；For selection of activated sludge of the biochemistry containing organic substrate efficient biological enzyme and microbial fermentation bacterial strain；Solves sludge abatement
The efficiency and cost of investment problem of process.
Description of the drawings
Fig. 1 is the reality according to a kind of sludge reduction method combined with biological enzyme and microbial using microwave of the present invention
Apply the flow diagram of example one.
Specific implementation mode
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The every other embodiment that member is obtained without making creative work should all belong to the model that the present invention protects
It encloses.
Embodiment
As shown in Figure 1, the embodiment of the present invention one provides a kind of dirt combined with biological enzyme and microbial using microwave
Mud decrement method, Microwave Pretreatment part, lysozyme retort and the microbiological anaerobic of this technology sludge cut down tank three parts group
At.Preprocessing part Microwave Pretreatment tank, it is intermediate be lysozyme and sludge be sufficiently mixed part, Part III is using compound
Object anaerobe decomposes its organic matter.This method includes：
It is 107.5GHz by frequency, wavelength, which will be 219.7 millimeters of microwave, to be had Step 1: in Microwave Pretreatment tank
Machine matrix content accounts for 45% or more sludge and carries out pretreatment 15min-35min, and pretreated sludge is broken microbial cell
It is bad；
Step 2: lysozyme and the pretreated sludge mixing quality ratio of microblogging are 1:1500, it is controlled in retort
Between 25-45 degree, PH is mixed 25 minutes between 6-9, obtains lysozyme and mud mixed liquid temperature；
Step 3: lysozyme decomposes organic substrate in sludge after being mixed with compound strain with mud mixed liquid, production
The raw available energy, makes mud decrement.
The compound strain be peptostreptococcus (peptostreptococcus), veillonellasp (veillonella),
Propionibacterium (propionibacterium), burning things which may cause a fire disaster methanosarcina lactobacillus (lactobacillus), Pasteur's methane eight fold ball
Bacterium, extreme thermophilic Gu bacterium and anaerobic ammonia oxidizing bacteria.
In step 1, organic substrate content accounts for the 55% below of gross dry weight in sludge, passes through microwave treatment 15-25min；
Organic substrate content accounts for 55% of gross dry weight or more in sludge, passes through microwave treatment 25-35min.
In step 1, sludge moisture content is between 95%-98%, without dehydration.
Wherein, target sludge is analyzed first, confirms that the organic substrate content of the content of organic matter such as sludge accounts for 45%
Above technology that just may be used carries out decrement abatement, and the sludge before decrement need not be dehydrated, aqueous in 95%-
Between 98%.
Further, lysozyme is cut down after being mixed with mud mixed liquid with compound strain in tank again controls its reaction condition
PH is 7-9, and for temperature between 35-40 degree, stirring frequency is that one minute 10-15 turns.
Further, bacterium enzyme and the mass ratio of mud mixed liquid and compound strain are as follows：
Bacterium enzyme and mud mixed liquid：Peptostreptococcus (peptostreptococcus)：Veillonellasp
(veillonella)：Propionibacterium (propionibacterium)：Burning things which may cause a fire disaster methanosarcina lactobacillus (lactobacillus)：
Pasteur's sarcina methanica：Extreme thermophilic Gu bacterium：Anaerobic ammonia oxidizing bacteria=1000:0.02:0.015:0.01:0.03:0.032:
0.045。
Further, the available energy is biogas.
The present invention compares the decrement of sludge with the prior art as shown in table 1：
Table 1
| The application | Routine techniques |
| 50% or more mud decrement | Only reduce moisture percentage in sewage sludge |
| Hardware input is relatively low | Hardware investment is big |
| 55 yuan/ton of mud of operating cost | Ton mud cost is at 300 yuan or more |
| Low energy consumption | High energy consumption |
The surplus of its biochemical system generation may be implemented by the Sludge Reduction Technologies of above-mentioned microwave and enzyme and antimicrobial composition
Remaining mud decrement, while it is using energy source that its waste sludge, which may be implemented,：
The Treatment of Sludge that the inventive technique is suitable for municipal administration and trade effluent sewage treatment plant generates.
Compared with prior art, a kind of sludge combined with biological enzyme and microbial using microwave provided by the invention is subtracted
Amount method, the organic substrate sludge that biochemical system generation is carried out using microwave and special efficacy enzyme and microorganism is thoroughly cut down, and leads to
It crosses the technology and converts sludge to the available energy (biogas)；This technology is produced in municipal wastewater and During Industrial Wastewater Treatment Process
The biochemical sludge of amount has ideal abatement effect, is to provide efficient physical cell broken wall skill before sludge progress is biodegradable
Art；For selection of activated sludge of the biochemistry containing organic substrate efficient biological enzyme and microbial fermentation bacterial strain；Solves sludge abatement
The efficiency and cost of investment problem of process.
The embodiments of the present invention are for illustration only, can not represent the quality of embodiment.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (6)
1. a kind of sludge reduction method combined with biological enzyme and microbial using microwave, which is characterized in that this method includes：
It is 107.5GHz by frequency Step 1: in Microwave Pretreatment tank, the microwave that wavelength is 219.7 millimeters is by organic group
Matter content accounts for 45% or more sludge and carries out pretreatment 15min-35min, and microbial cell is destroyed by pretreated sludge；
Step 2: lysozyme and the pretreated sludge mixing quality ratio of microblogging are 1:1500, temperature is controlled in retort
Between 25-45 degree, PH is mixed 25 minutes between 6-9, obtains lysozyme and mud mixed liquid；
Step 3: lysozyme decomposes organic substrate in sludge after being mixed with compound strain with mud mixed liquid, generation can
The energy utilized, it is peptostreptococcus (peptostreptococcus), veillonellasp to make mud decrement, the compound strain
(veillonella), Propionibacterium (propionibacterium), burning things which may cause a fire disaster methanosarcina lactobacillus (lactobacillus),
Pasteur's sarcina methanica, extreme thermophilic Gu bacterium and anaerobic ammonia oxidizing bacteria.
2. the method as described in claim 1, which is characterized in that in step 1, organic substrate content accounts for gross dry weight in sludge
55% is below, passes through microwave treatment 15-25min；Organic substrate content accounts for 55% of gross dry weight or more in sludge, by micro-
Wave handles 25-35min.
3. method as claimed in claim 1 or 2, which is characterized in that in step 1, sludge moisture content between 95%-98%,
Without dehydration.
4. the method as described in claim 1, which is characterized in that lysozyme mixes later again with mud mixed liquid with compound strain
It is 7-9 that its reaction condition PH is controlled in abatement tank, and for temperature between 35-40 degree, stirring frequency is that one minute 10-15 turns.
5. method as described in claim 1 or 4, which is characterized in that the mass ratio of bacterium enzyme and mud mixed liquid and compound strain
It is as follows：
Bacterium enzyme and mud mixed liquid：Peptostreptococcus (peptostreptococcus)：Veillonellasp (veillonella)：
Propionibacterium (propionibacterium)：Burning things which may cause a fire disaster methanosarcina lactobacillus (lactobacillus)：Pasteur's methane eight folds ball
Bacterium：Extreme thermophilic Gu bacterium：Anaerobic ammonia oxidizing bacteria=1000:0.02:0.015:0.01:0.03:0.032:0.045.
6. the method as described in claim 1, which is characterized in that the available energy is biogas.
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| CN201810510287.0A CN108439744B (en) | 2018-05-24 | 2018-05-24 | Sludge reduction method combining microwave, biological enzyme and microorganism |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110357390A (en) * | 2019-07-19 | 2019-10-22 | 中矿（天津）岩矿检测有限公司 | A kind of processing method and processing system for rural area irrigation canals and ditches sludge |
| CN110563289A (en) * | 2019-09-09 | 2019-12-13 | 湖南鑫恒环境科技有限公司 | Method for treating sludge by combining microwaves and microbial agents |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106007313A (en) * | 2016-07-28 | 2016-10-12 | 北京赛富威环境工程技术有限公司 | Graded reduction treatment method of sludge |
-
2018
- 2018-05-24 CN CN201810510287.0A patent/CN108439744B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106007313A (en) * | 2016-07-28 | 2016-10-12 | 北京赛富威环境工程技术有限公司 | Graded reduction treatment method of sludge |
Non-Patent Citations (1)
| Title |
|---|
| 罗安程主编: "《农村生活污水处理知识160问》", 30 November 2013 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110357390A (en) * | 2019-07-19 | 2019-10-22 | 中矿（天津）岩矿检测有限公司 | A kind of processing method and processing system for rural area irrigation canals and ditches sludge |
| CN110563289A (en) * | 2019-09-09 | 2019-12-13 | 湖南鑫恒环境科技有限公司 | Method for treating sludge by combining microwaves and microbial agents |
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| CN108439744B (en) | 2020-02-11 |
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