CN105565598A - Method for comprehensively treating and utilizing cassava vinasse waste water and industrial sludge - Google Patents
Method for comprehensively treating and utilizing cassava vinasse waste water and industrial sludge Download PDFInfo
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- 239000010802 sludge Substances 0.000 title claims abstract description 62
- 238000000034 method Methods 0.000 title claims abstract description 42
- 239000002351 wastewater Substances 0.000 title claims abstract description 32
- 235000016735 Manihot esculenta subsp esculenta Nutrition 0.000 title claims abstract description 25
- 241000658379 Manihot esculenta subsp. esculenta Species 0.000 title 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 64
- 239000007788 liquid Substances 0.000 claims abstract description 30
- 238000000197 pyrolysis Methods 0.000 claims abstract description 25
- 240000003183 Manihot esculenta Species 0.000 claims abstract description 24
- 238000000855 fermentation Methods 0.000 claims abstract description 11
- 238000001914 filtration Methods 0.000 claims abstract description 7
- 238000004064 recycling Methods 0.000 claims abstract description 6
- 238000002156 mixing Methods 0.000 claims abstract description 4
- 230000008569 process Effects 0.000 claims description 32
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 14
- 239000002562 thickening agent Substances 0.000 claims description 9
- 238000000926 separation method Methods 0.000 claims description 8
- 238000010248 power generation Methods 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 230000018044 dehydration Effects 0.000 claims description 3
- 238000006297 dehydration reaction Methods 0.000 claims description 3
- 230000006872 improvement Effects 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 3
- 239000012265 solid product Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 15
- 239000012528 membrane Substances 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000005086 pumping Methods 0.000 abstract 1
- 238000000746 purification Methods 0.000 abstract 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 9
- 239000007789 gas Substances 0.000 description 6
- 230000005611 electricity Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 241000251468 Actinopterygii Species 0.000 description 4
- 239000007787 solid Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000006228 supernatant Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 229920002488 Hemicellulose Polymers 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009264 composting Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000010801 sewage sludge Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000009280 upflow anaerobic sludge blanket technology Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
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
- C02F9/00—Multistage 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
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/10—Treatment of sludge; Devices therefor by pyrolysis
-
- 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
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
-
- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/32—Nature of the water, waste water, sewage or sludge to be treated from the food or foodstuff industry, e.g. brewery waste waters
- C02F2103/325—Nature of the water, waste water, sewage or sludge to be treated from the food or foodstuff industry, e.g. brewery waste waters from processes relating to the production of wine products
-
- 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
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1268—Membrane bioreactor systems
-
- 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
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1278—Provisions for mixing or aeration of the mixed liquor
-
- 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
- C02F3/28—Anaerobic digestion processes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/40—Valorisation of by-products of wastewater, sewage or sludge processing
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Treatment Of Sludge (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention provides a method for comprehensively treating and utilizing cassava vinasse waste water and industrial sludge. The method includes: pumping original cassava vinasse waste water into an anaerobic fermentation tank to perform whole-tank high-temperature anaerobic treatment so as to produce biogas; concentrating sludge discharged by the anaerobic fermentation tank, then delivering into a plate-and-frame filter press, and filtering with the plate-and-frame filter press to obtain anaerobic sludge and filtered clear liquid; using a precision filter to perform multistage purification on the filtered clear liquid to obtain first-level plain water and concentrated discharge water, processing the first-level plain water with a membrane biological processing device to obtain second-level plain water which can reach the indexes of production water, and recycling the plain water; mixing the obtained concentrated discharge water and anaerobic sludge with other industrial sludge, dewatering with a dewatering machine, and then conveying to a pyrolyzing furnace for pyrolysis so as to produce combustible gas. The method has the advantages that after the cassava vinasse waste water is subjected to anaerobic fermentation to produce the biogas, self-balancing of energy production and power consumption can be achieved, the water produced after the treatment by the precision filter and a membrane biological reactor can be recycled, resource utilization is achieved, and production cost is lowered.
Description
Technical field
The present invention relates to comprehensive treating process and the Application way of a kind of cassava grain stillage waste water and industrial sludge, belong to waste water and method for sludge treatment technical field.
Background technology
Alcohol industry is an important industry in the national economic development, a large amount of drunk fish can be produced in the process of producing alcohol, it is typical high concentrated organic wastewater, usual employing anaerobic-aerobic biological treatment, although this technique creates available biogas energy, but, following problem is existed for cassava grain stillage waste water: cassava materials fibre content is high, containing viscosity component; PH value is in acid, be not suitable for the existence of anaerobic species, if add in alkali and regulate pH working cost higher, suspension content is up to 30000-50000mg/L, and adopt the processing requirement water inlet concentration of suspension such as anaerobic UASB lower than 1000mg/L, if only adopt whizzer to carry out solid-liquid separation extract poor slag, fine particle thing is difficult to remove, the difficulty of wastewater to reach standard is comparatively large, and running cost is higher.
Industrial sludge refers to that trade effluent after treatment, the dirty substance precipitated and isolated.Because moisture percentage in sewage sludge is high, volume large, bring difficulty to stacking and transport, current domestic sludge disposal technology mainly contains two kinds: anaerobic sludge digestion technology and sludge composting technology.Pyrolyzing sludge utilizes organic thermolability in mud, under anaerobic to its heating, makes organism produce thermo-cracking, form pyrolysis gas and solid residue, provides effective way to the minimizing of mud, stabilization, innoxious, resource utilization.
Published 91103002.6 " process for treating waste liquor of distiller's grain of alcohol " of Chinese patent, have employed the drunk fish after to neutralization and carry out disposable solid-liquid separation, can not meet the requirement of target water.1939844A disclosed in Chinese patent " waste liquid and distillers ' grains from alcohol production reutilization technology ", solid-liquid separation is carried out to distillery waste water, supernatants after precipitation enters and produce alcohol former process recycling, although saved water resources, but COD, BOD etc. are higher in supernatant liquor, be vulnerable to the infection of miscellaneous bacteria, to the yield of liquor of Alcohol Production and quality unfavorable.
Summary of the invention
The object of this invention is to provide comprehensive treating process and the Application way of a kind of cassava grain stillage waste water and industrial sludge, to solve the problem of prior art deficiency.It is low that the present invention can not only overcome industrial sludge calorific value, realizes mud product natural pond amount high, pyrolysis heat energy reusable edible, production capacity and electricity consumption can reach self-equilibrating, and waste dregs liquid after accurate filter and Membrane Bioreactor for Wastewater Treatment, produce water can reuse, realize recycling, reduce production cost.
In order to achieve the above object, the invention provides comprehensive treating process and the Application way of a kind of cassava grain stillage waste water and industrial sludge, it is characterized in that, comprising:
The first step: cassava grain stillage waste water stoste pumped in anaerobic fermentation tank and carry out complete poor high temperature anaerobic process, produces biogas;
Second step: the mud that anaerobic fermentation tank is discharged is carried out mud-water separation through sludge thickener, obtain thickened sludge and sludge thickener clear liquid, the thickened sludge of gained sends into plate-and-frame filter press, adopts plate-and-frame filter press to filter, and obtains anaerobic sludge and crosses cleaner liquid;
3rd step: the cleaner liquid of crossing of second step gained sludge thickener clear liquid and plate-and-frame filter press is carried out multistage purifying treatment by accurate filter, obtain one-level plain boiled water and dense draining, one-level plain boiled water is obtained secondary plain boiled water through film biological treatment device (MBR) process, secondary plain boiled water reaches water of productive use index, carries out white water recycling;
4th step: by the dense draining of the 3rd step gained, the anaerobic sludge of second step gained and industrial sludge mixing, after water extracter dehydration, be transported to pyrolysis oven pyrolysis processing, produce combustible gas, reclaims the combustible gas produced and is used as pyrolysis oven heat supply.
Preferably, the water ratio of the industrial sludge in the 4th described step is 60-90%.
Preferably, the 4th described step also comprises makes gac, as soil improvement agent by the solid product of pyrolysis oven gained.
Preferably, the oven dry weight ratio of the dense draining in the 4th described step, anaerobic sludge and industrial sludge is 1: 10: 10.
Preferably, the accurate filter in the 3rd described step is Tao Shi TEQUATIC
tMpLUS accurate filter.This accurate filter has a water-in and three water outlets, is to remove solid particulate by the principle of centrifugal force and cross flow filter, and strainer separation accuracy is 10 to 50 microns, Water Sproading rate > 99%.
Preferably, the electric energy needed for accurate filter in the 3rd described step is at least partly by the marsh gas power generation supply of the first step gained.
Preferably, described accurate filter has three groups, be respectively the first accurate filter, second accurate filter and the 3rd accurate filter, multistage purifying treatment is one-level three sections process, what plate-and-frame filter press filtration obtained crosses cleaner liquid after the first accurate filter filters, gained clear water is as the one-level plain boiled water of multistage purifying treatment gained, gained draining enters the second accurate filter and filters, clear water and plate-and-frame filter press that second accurate filter filters gained filter the mistake cleaner liquid obtained and are mixed into the first accurate filter and filter, the draining of the second accurate filter filtration gained enters the 3rd accurate filter and filters, 3rd accurate filter filters the clear water of gained and the first accurate filter and filters after gained draining mixes, enter the second accurate filter to filter, 3rd accurate filter filters the dense draining of draining as multistage purifying treatment gained of gained.
Preferably, the electric energy needed for film biological treatment device in the 3rd described step is at least partly by the marsh gas power generation supply of the first step gained.
Preferably, electric energy needed for the marsh gas power generation supply Alcohol Production of described the first step gained.
Preferably, described complete poor high temperature anaerobic is treated to I level CSTR anaerobically fermenting.
Preferably, the water ratio of the mud that described anaerobic fermentation tank is discharged is 60-90%.
Preferably, the water ratio of the water extracter dehydrated sludge in described 4th step is 60-80%.
Preferably, described film biological treatment device is continuum micromeehanics formula aerating system.
Preferably, described pyrolysis oven pyrolysis temperature is 500-1000 DEG C.
Compared with prior art, advantage of the present invention is:
One, compared with conventional I I level anaerobism, the present invention adopts the process of I level high temperature anaerobic, simplifies production technique, adopts accurate filter and membrane bioreactor to carry out subsequent disposal, substitute air flotation pool, settling tank etc., reduce sludge treatment facilities floor space and input cost;
Two, accurate filter of the present invention, sustainable impact of bearing the total suspended solid particle of the highest 10000g/L, process PH scope wide (2-11), can reduce the pre-treatment to crossing cleaner liquid, reduces processing cost;
Three, multistage purifying treatment of the present invention comprises three groups of accurate filters, fully can remove the suspended substance of different size in cleaner liquid, reduces SS, BOD and COD;
Four, film biologic treating technique of the present invention can remove the organic pollutant in sewage, makes water outlet SS be reduced to below 20mg/L, and can remove ammonia nitrogen, reach water of productive use standard, carry out white water recycling, rate of recovery > 98%, reduce production cost;
Five, in industrial sludge, organic content is lower, calorific value is lower, independent pyrolysis produces heat can not reach balance with energy consumption, drunk fish mud and dense draining are containing a large amount of Mierocrystalline cellulose, hemicellulose etc., calorific value is higher, and with municipal sludge copyrolysis, its synergy can make the combustible gas of generation and pyrolysis oven heat supply reach balance, industrial sludge pyrolysis energy deficit problem can be solved, can make full use of organic matter in drunk fish again.
Six, complete poor anaerobic methane production amount high, generating after can meet Alcohol Production electricity consumption, accurate filter electricity consumption and membrane bioreactor need for electricity, reach production capacity and electricity consumption self-equilibrating, reduce production cost.
Seven, contain the fiber of a large amount of difficult for biological degradation in distillery waste water, viscosity is large, and prior solid-liquid separating difficulty is large, and through biological treatment after certain phase, remaining part is difficult to continuation biological degradation, and effluent index is difficult to reach standard.Present method has at utmost recycled the energy in waste water.Wherein can biodegradable part, change biogas utilization into as far as possible by complete poor anaerobically fermenting, all the other are difficult to the method recovered energy of biodegradable part by solid-liquid separation at different levels, pyrolysis.Both ensure that standard water discharge, as far as possible the pollution substance in waste water is converted into the utilizable energy again.
Accompanying drawing explanation
Fig. 1 is accurate filter multistage purifying treatment schematic diagram;
Fig. 2 is processing flow chart of the present invention.
Embodiment
Below in conjunction with specific embodiment, set forth the present invention further.Should be understood that these embodiments are only not used in for illustration of the present invention to limit the scope of the invention.In addition should be understood that those skilled in the art can make various changes or modifications the present invention, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the present invention's instruction.
Embodiment
As shown in Figure 2, the comprehensive treating process of a kind of cassava grain stillage waste water and industrial sludge and Application way, concrete steps are:
The first step: cassava grain stillage waste water stoste pumped in anaerobic fermentation tank and carry out complete poor high temperature anaerobic process (I level CSTR anaerobically fermenting), leavening temperature 60 DEG C, produces biogas;
Second step: the mud being 90% by the water ratio that anaerobic fermentation tank is discharged carries out mud-water separation through sludge thickener, obtain thickened sludge and sludge thickener clear liquid, the thickened sludge of gained sends into plate-and-frame filter press, adopts plate-and-frame filter press to filter, and obtains anaerobic sludge and crosses cleaner liquid, 3rd step: the cleaner liquid of crossing of second step gained sludge thickener clear liquid and plate-and-frame filter press is carried out multistage purifying treatment by accurate filter, as shown in Figure 1, described accurate filter has three groups, be respectively the first accurate filter, second accurate filter and the 3rd accurate filter, first accurate filter, second accurate filter and the 3rd accurate filter are all Tao Shi TEQUATICTMPLUS accurate filter, Filter Precision is respectively 10, 20, 50 μm, multistage purifying treatment is one-level three sections process, what plate-and-frame filter press filtration obtained crosses cleaner liquid after the first accurate filter filters, gained clear water is as the one-level plain boiled water of multistage purifying treatment gained, gained draining enters the second accurate filter and filters, clear water and plate-and-frame filter press that second accurate filter filters gained filter the mistake cleaner liquid obtained and are mixed into the first accurate filter and filter, the draining of the second accurate filter filtration gained enters the 3rd accurate filter and filters, 3rd accurate filter filters the clear water of gained and the first accurate filter and filters after gained draining mixes, enter the second accurate filter to filter, 3rd accurate filter filters the dense draining of draining as multistage purifying treatment gained of gained, one-level plain boiled water is obtained secondary plain boiled water through film biological treatment device (GE company, ZeeWeed membrane bioreactor) process, and secondary plain boiled water reaches water of productive use index, reclaims and is used as Alcohol Production water, electric energy needed for described accurate filter is by the marsh gas power generation supply of the first step gained.
4th step: the dense draining of the 3rd step gained, the anaerobic sludge of second step gained and industrial sludge are pressed oven dry weight than 1: 10: 10 mixing, through water extracter dehydration to water ratio 65%, be transported to pyrolysis oven pyrolysis processing, carry out 800 DEG C of high temperature pyrolysis process 1h, produce combustible gas, the combustible gas produced is reclaimed and is used as pyrolysis oven heat supply.The solid product of pyrolysis oven gained, by the marsh gas power generation supply of the first step gained, is made gac, as soil improvement agent by the electric energy needed for described pyrolysis oven.
Adopt treatment process of the present invention, process cassava grain stillage waste water and industrial sludge and fully utilize, its treatment effect is as shown in table 1:
Table 1 treatment effect
| Project | Distillery waste water | Cross cleaner liquid | One-level plain boiled water | Secondary plain boiled water |
| CODcr(mg/L) | 60000 | 2500 | 1120 | 35 |
| BOD 5(mg/L) | 12000 | 1500 | 680 | 15 |
| SS(mg/L) | 30000 | 2280 | 212 | 5.6 |
Claims (10)
1. the comprehensive treating process of cassava grain stillage waste water and industrial sludge and an Application way, is characterized in that, comprising:
The first step: cassava grain stillage waste water stoste pumped in anaerobic fermentation tank and carry out complete poor high temperature anaerobic process, produces biogas;
Second step: the mud that anaerobic fermentation tank is discharged is carried out mud-water separation through sludge thickener, obtain thickened sludge and sludge thickener clear liquid, the thickened sludge of gained sends into plate-and-frame filter press, adopts plate-and-frame filter press to filter, and obtains anaerobic sludge and crosses cleaner liquid;
3rd step: the cleaner liquid of crossing of second step gained sludge thickener clear liquid and plate-and-frame filter press is carried out multistage purifying treatment by accurate filter, obtain one-level plain boiled water and dense draining, one-level plain boiled water is obtained secondary plain boiled water through the process of film biological treatment device, secondary plain boiled water reaches water of productive use index, carries out white water recycling;
4th step: by the dense draining of the 3rd step gained, the anaerobic sludge of second step gained and industrial sludge mixing, after water extracter dehydration, be transported to pyrolysis oven pyrolysis processing, produce combustible gas, reclaims the combustible gas produced and is used as pyrolysis oven heat supply.
2. the comprehensive treating process of cassava grain stillage waste water as claimed in claim 1 and industrial sludge and Application way, it is characterized in that, the 4th described step also comprises makes gac, as soil improvement agent by the solid product of pyrolysis oven gained.
3. the comprehensive treating process of cassava grain stillage waste water as claimed in claim 1 and industrial sludge and Application way, it is characterized in that, the accurate filter in the 3rd described step is Tao Shi TEQUATIC
tMpLUS accurate filter.
4. the comprehensive treating process of cassava grain stillage waste water as claimed in claim 1 and industrial sludge and Application way, it is characterized in that, described accurate filter has three groups, be respectively the first accurate filter, second accurate filter and the 3rd accurate filter, multistage purifying treatment is one-level three sections process, what plate-and-frame filter press filtration obtained crosses cleaner liquid after the first accurate filter filters, gained clear water is as the one-level plain boiled water of multistage purifying treatment gained, gained draining enters the second accurate filter and filters, clear water and plate-and-frame filter press that second accurate filter filters gained filter the mistake cleaner liquid obtained and are mixed into the first accurate filter and filter, the draining of the second accurate filter filtration gained enters the 3rd accurate filter and filters, 3rd accurate filter filters the clear water of gained and the first accurate filter and filters after gained draining mixes, enter the second accurate filter to filter, 3rd accurate filter filters the dense draining of draining as multistage purifying treatment gained of gained.
5. the comprehensive treating process of cassava grain stillage waste water as claimed in claim 1 and industrial sludge and Application way, it is characterized in that, described complete poor high temperature anaerobic is treated to I level CSTR anaerobically fermenting.
6. the comprehensive treating process of cassava grain stillage waste water as claimed in claim 1 and industrial sludge and Application way, it is characterized in that, the electric energy needed for film biological treatment device in the 3rd described step is at least partly by the marsh gas power generation supply of the first step gained.
7. the comprehensive treating process of cassava grain stillage waste water as claimed in claim 1 and industrial sludge and Application way, it is characterized in that, the water ratio of the mud that described anaerobic fermentation tank is discharged is about 60-90%.
8. the comprehensive treating process of cassava grain stillage waste water as claimed in claim 1 and industrial sludge and Application way, it is characterized in that, the water ratio of the water extracter dehydrated sludge in described 4th step is 60-80%.
9. the comprehensive treating process of cassava grain stillage waste water as claimed in claim 1 and industrial sludge and Application way, it is characterized in that, described film biological treatment device is continuum micromeehanics formula aerating system.
10. the comprehensive treating process of cassava grain stillage waste water as claimed in claim 1 and industrial sludge and Application way, it is characterized in that, described pyrolysis oven pyrolysis temperature is 500-1000 DEG C.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108298747A (en) * | 2018-02-12 | 2018-07-20 | 南京圣卡孚科技有限公司 | A kind of decorating base paper plain boiled water device for cleansing and recycling and reuse method |
| CN109266691A (en) * | 2018-09-18 | 2019-01-25 | 罗绍庆 | A kind of method of cassava grain stillage fermenting and preparing biological matter combustion gas |
| CN110183257A (en) * | 2019-06-21 | 2019-08-30 | 中国科学院成都生物研究所 | A kind of complete utilization method of Maotai-flavor liquor distillage anaerobic digestion coupling hydrothermal carbonization |
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| CN108298747A (en) * | 2018-02-12 | 2018-07-20 | 南京圣卡孚科技有限公司 | A kind of decorating base paper plain boiled water device for cleansing and recycling and reuse method |
| CN108298747B (en) * | 2018-02-12 | 2023-09-29 | 南京圣卡孚科技有限公司 | Device and method for purifying and recycling white water of decorative base paper |
| CN109266691A (en) * | 2018-09-18 | 2019-01-25 | 罗绍庆 | A kind of method of cassava grain stillage fermenting and preparing biological matter combustion gas |
| CN109266691B (en) * | 2018-09-18 | 2021-12-07 | 罗绍庆 | Method for preparing biomass gas by fermenting cassava vinasse |
| CN110183257A (en) * | 2019-06-21 | 2019-08-30 | 中国科学院成都生物研究所 | A kind of complete utilization method of Maotai-flavor liquor distillage anaerobic digestion coupling hydrothermal carbonization |
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