CN105837005A - Municipal excess sludge biologic drying organic conditioning agent and preparation method thereof - Google Patents
Municipal excess sludge biologic drying organic conditioning agent and preparation method thereof Download PDFInfo
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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
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
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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
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/006—Electrochemical treatment, e.g. electro-oxidation or electro-osmosis
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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
- C02F11/02—Biological treatment
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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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Abstract
The invention relates to a municipal excess sludge biologic drying organic conditioning agent and a preparation method thereof, and belongs to the technical field of environment engineering. Cellulose fermenting rest waste fungi residues and furfural residues are used as main substrates; after baking and carbonization, polysporus trichoderma conidial powder, iron powder and the like are added; through compounding and briquetting, the materials are prepared into the organic conditioning agents for rest sludge biologic drying. The organic conditioning agent has the beneficial effects of obviously promoting the starting of the sludge biologic drying process, improving the degradation efficiency of partial contaminants in sludge, passivating heavy metal and the like. The prepared organic conditioning agent can be used in the field of municipal excess sludge treatment and disposal.
Description
Technical field
The present invention relates to a kind of municipal administration biological dewatered organic conditioner of excess sludge and preparation method thereof, belong to environmental project
Field.
Background technology
Along with quickening and the raising of environmental quality standards of China's Development of China's Urbanization, sewage load improves year by year.Mud
As the by-product that the volume during municipal sewage treatment is maximum, its growing amount is also increasing sharply, and these produce in a large number
Excess sludge increasingly becomes serious environment and is paid close attention to by the whole society with social problem.
Owing to containing substantial amounts of moisture (about 80%) in municipal sludge, being difficult to dehydration, content of organics is many, and character is unstable
Fixed, it is necessary to disposal could to be processed further through processes such as dehydration, mummification.Heat drying technology is mainly taked in sludge dewatering at present,
Equipment cost is the highest, and external heat source ability must be utilized properly functioning, therefore its energy consumption is high.Sludge organism drying technique is profit
With biological heat energy produced by organic matter degradation during microorganism high-temperature aerobic fermentation, by the process such as forced ventilation, stirring
Control measures promote that in mud, the rapid evaporation of moisture is removed, thus realize the purpose of sewage sludge harmlessness, stabilisation and minimizing.
This technology has the advantages such as energy consumption low, low cost, wide accommodation, tallies with the national condition, and has in terms of disposing municipal sludge
Important promotional value.Abroad, Italy (1996) has first carried out industrial applications to it with Germany (1997).Research table
Bright, municipal refuse is after biological dewatered, and moisture content is decreased obviously.This method as make derivatived fuel (RDF) or make
Preprocessing means for waste incineration is applied to World Developed Countries.In sum, sludge organism drying technique is great development
The specific resistance to filtration technology of prospect, but presently, there are the problems such as big, the process time length of adjuvant addition.Biological dewatered conventional
Adjuvant is generally agricultural crop straw, and it receives transporting procedures can consume a large amount of manpower and materials, causes biological dewatered engineering cost to rise.
Zhu Juanjuan (Zhu Juanjuan. the modification of granulating conditioner and applied research [D]. master thesis, He'nan University of Technology. Zheng
State: 2014) sludge aerobic compost conditioner has been carried out more in-depth study discussion, by physical modification (blasting procedure), change
Learn modified (carboxy methylation), bio-modification (lactobacillus forced) develops multiple conditioner and its function is compared analysis,
Exploitation to sludge organism mummification conditioner has some reference value.But the conditioner primary raw material addressed is agriculture waste
Thing, because it is without courses of processing such as bakings, its moisture is generally the highest, be easily broken, and is unfavorable for recycling.Middle promulgated by the State Council
Bright application for patent 201210550977.1 provides a kind of sludge organism mummification conditioner, consisting of straw stalk, sawdust or
Being the mixture that is mixed to form with equal-volume of straw stalk, sawdust, its major function is to improve the oxygen in biological dewatered heap body
Supply, quickly starts biological dewatered process and can improve the combustion heat value of dewatered sludge product.Conditioner used in this invention
Composition is the most single, and its major function is carbon-nitrogen rate and the breathability adjusting mud, does not possess other functions (as microorganism is strong
Change, the degraded of partial contamination thing or passivation etc.).Chinese invention patent 200810239356.5 adding proportion in mud is that mud is done
The Calx weighing 10% cracks agent as alkalescence, adds broken straw and account for mixed as conditioner, conditioner weight after mix homogeneously
The 35% of compound material gross weight, adds compost grog and inoculates as Inoculant.This invention uses Calx that mud is carried out alkalescence
Add straw regulation carbon-nitrogen rate, breathability etc. after cracking, and use grog that mud is carried out tieback kind, can promote that mud is raw
Thing mummification quickly starts.But, this invention also exists complex disposal process, not form the product of convenient use, addition big etc.
Defect, also exists many restrictions in actual applications.
Furfural dregs is the garbage utilizing biomass material such as corn cob, straw, rice husk etc. to produce after producing furfural, and it is main
Wanting feature is moisture, salt content is high, acid big and has abnormal flavour, and it arbitrarily discharges has serious pollution to ask environment and water body
Topic.Owing to furfural dregs still containing substantial amounts of cellulose, hemicellulose and lignin etc., there are recycling potentiality.
Filamentous fungi is the production strain that fermentation industry is important, for itaconic acid, citric acid, fungal amylase, cellulose
In the middle of the production of the multiple products such as enzyme, sodium gluconate, penicillin.Currently, the production of cellulase has become as China the 4th
Enzyme, and its fermentation mode greatly is mainly liquid fermentation, a large amount of waste mycelia serious environment pollutions produced in its sweat,
Urgently process.Containing chitin composition in fermentation fungi filament, and remain portion of cellulose composition (such as wheat bran, microcrystalline cellulose
Element etc.) class material, there is good biological adsorption, be a kind of functional biological materials with wide application potential.But,
Current fermentable dreg is arbitrarily thrown aside because the problems such as water content is high, viscosity is big are faced with, money seriously polluted to surrounding enviroment
Source utilizes difficulty big and is easily formed secondary pollution problems.
The present invention is directed in sludge organism drying process that adjuvant utilization ratio is low, consumption is big and biological dewatered efficiency is low etc. asks
Topic;And useless dreg and the furfural dregs produced in cellulase production processes develops a kind of excess sludge life as main matrix
Functional organic conditioner of thing mummification and preparation method thereof, can be effectively improved adjuvant utilization rate while turning waste into wealth, and
Realizing it by recovery to recycle, thus improve the treatment effeciency of mud, give up to cellulase fermentations dreg and bran the most simultaneously
Aldehyde slag has carried out comprehensive utilization exploitation, and the recycling for organic solid castoff provides new way.
Summary of the invention
For the problems and shortcomings existing for prior art, it is an object of the present invention to provide a kind of municipal administration excess sludge biology and do
Change organic conditioner and preparation method thereof.The method utilizes useless dreg and furfural dregs to prepare sludge organism mummification conditioning as substrate
Agent, can while realizing the recycling of useless dreg biological dewatered organic conditioner of development functionality, have very
Wide application prospect.
The present invention is raw materials used to give up dreg for cellulase fermentations, and bacterial strain uses therefor is Trichoderma asperellum CCTCC No.M
The Trichoderma asperellum CGM-10(Trichoderma asperellum CGM-10 of 2014001), bacterial strain is protected on January 6th, 2014
Being hidden in China typical culture collection center (CCTCC), deposit number is CCTCC No.M 2014001, and address is that Wuhan City is military
Chinese university.
The preparation method of a kind of municipal administration biological dewatered organic conditioner of excess sludge, its concrete steps include: (1) is by organic
Garbage cellulase fermentations gives up dreg and furfural dregs is sufficiently mixed according to the ratio that weight portion is (0.5-1) 1, through pulverizing
Rear mistake 10 mesh sieve, is then placed in atmosphere furnace, is passed through nitrogen after atmosphere furnace evacuation, proceeds by low temperature and bakees;Atmosphere is set
Stove with 10 DEG C/min of speed by room temperature to 450 DEG C;After being warming up to maximum temperature, high temperature keeps 120 minutes obtaining carbonization
Material;Stop heating, be naturally cooling to room temperature, it is thus achieved that conditioner substrate;(2) preserving number is added according to every 1000 grams of conditioner substrate
0.1 gram-1 gram of the Trichoderma asperellum CGM-10 spore powder for CCTCC No. M 2014001, it is thus achieved that biological reinforced conditioner base
Matter;(3) particle diameter 10-100 micron iron powder 10 grams-100 grams, mix homogeneously are added according to every 1000 grams of biological reinforced conditioner substrate
After be prepared as diameter 1-3 centimetre, the biological dewatered organic conditioner of municipal excess sludge of length 1-4 centimetre.
A kind of municipal administration biological dewatered organic conditioner of excess sludge, is characterized in that it includes following component: organic waste
Give up dreg and furfural dregs of cellulase fermentations is (0.5-1) 1 mixing according to weight ratio, then at every 1000 grams of mixture
Middle addition preserving number be 0.1 gram-1 gram of the Trichoderma asperellum CGM-10 spore powder of CCTCC No.M 2014001, particle diameter be 10-
The municipal administration biological dewatered organic conditioner of excess sludge is obtained after the iron powder of 100 microns 10 grams-100 grams is compounding.
Trichoderma asperellum CGM-10(preserving number of the present invention is CCTCC No. M 2014001) preparation method of spore powder
As follows:
(1) activation medium: Rhizoma Solani tuber osi extracting solution 200 grams, glucose 20 grams, 1000 milliliters of tap water, 20 grams of agar, pH 5.0.
Wherein Rhizoma Solani tuber osi extracting solution refers to, 200 grams of Rhizoma Solani tuber osi, and after stripping and slicing is filtered with crocus cloth (80-150 mesh) after boiling 30 minutes, gained is clarified
Extracting solution.
(2) preparation of Trichoderma asperellum spore powder: Trichoderma asperellum CGM-10 is inoculated on activation medium, trains under the conditions of 30 DEG C
Support 10 days, after being covered with green spores on flat board, collect spore and somewhat grind the loose spore powder of acquisition.
Cellulase fermentations of the present invention dreg of giving up refers to utilize the bacterial strain such as Trichoderma spp., aspergillosis to use liquid fermentation mode raw
Cellulase-producing, the useless dreg produced after filtration treatment.
Furfural dregs of the present invention refers to utilize the biomass materials such as corn cob, straw or rice husk to remain after extracting furfural
Garbage.Above-mentioned cellulase fermentations gives up dreg and furfural dregs needs through dried, and its water content is less than 30%.Spine
Spore Trichoderma spp. CGM-10 screens from municipal sludge and obtains.
In the present invention if no special instructions, raw material dosage is weight portion.
The invention have the advantages that: provide a kind of excellent organic conditioner for mud, this conditioner uses discarded
Fibres element enzyme fermentation gives up dreg and prepared by furfural dregs, can realize the recycling of solid waste to greatest extent.Its tool
Body is analyzed as follows: the municipal administration biological dewatered organic conditioner of excess sludge the most of the present invention adds strain Trichoderma asperellum
(Trichoderma asperellum CGM-10) spore powder has carried out microbial augmentation.This bacterial strain through physics and chemistry behavior,
There is fast growth, produce the feature that acid amount is high, advantageously reduce the pH value during sludge fermentation, the row of odorous gas ammonia
High-volume reducing by more than 80%, this is significant to preservation organic in biological dewatered or mud.Additionally, this bacterial strain is also
Laccase can be produced, the harmful substance in the fermentation substrates such as mud of can degrading.The acidity that a large amount of organic acid of strain secretes produce
Microenvironment also provides good condition for normally working of ferrum carbon microelectrode.
The municipal administration biological dewatered organic conditioner of excess sludge the most of the present invention is also added into iron powder, thus at conditioner
It is internally formed ferrum carbon microelectrode, the Degradation Level of organic pollution can be improved, decrease the harmful substance in final products.
The municipal administration biological dewatered organic conditioner of excess sludge the most of the present invention uses cellulase fermentations to give up dreg and bran
Aldehyde slag is prepared, and owing to containing the compositions such as part chitin, wheat bran and microcrystalline Cellulose in useless dreg, and contains in furfural dregs
Abundant lignocellulose, lignin etc., define micropore and charcoal granule after part carbonization, and its absorbability is significantly gone up
Rise and (relatively lignocellulose source organism carbon adsorbent cost reduces by more than 70%) with low cost, so that of the present invention
Conditioner has good absorption property, the harmful substance in fermentation substrate such as heavy metal, organic pollution can be carried out portion
Divide absorption thus avoid it to scatter and disappear further and cause secondary pollution.Dry useless dreg and furfural dregs is directly used substantially not to carry
The absorption property of high conditioner.Test shows, the adsorptivity without the useless dreg and furfural dregs that bakee carbonization process is carbonization
The 20-30% of rear useless dreg.
4. furfural dregs has acidity, can reduce the pH value in sweat, contrasts with the adjuvant being not added with furfural dregs, sends out
During ferment, total ammonia emission amount declines more than 90%.The biological dewatered organic conditioner of municipal excess sludge prepared by the present invention produces
Product granular size is moderate, and the breathability of fermentation substrate can be greatly improved after adding excess sludge, and beneficially microorganism is fast
Speed propagation, accelerates biological dewatered speed and treatment effeciency.Can shorten than its drying time of powder conditioner of not molding
3-5 days, the highest heap temperature can improve 8-12 DEG C, can extend 2-3 days more than 50 DEG C of times.
Detailed description of the invention
Below in conjunction with embodiment, invention is further described.
Embodiment 1: the preparation method of a kind of municipal administration biological dewatered organic conditioner of excess sludge, it comprises the steps:
(1) preparation of conditioner substrate: the cellulase fermentations after drying gives up dreg and furfural dregs according to the ratio that weight portion is 0.5 1
Example is sufficiently mixed, through pulverizing after cross 10 mesh sieves, be then placed in atmosphere furnace, after atmosphere furnace evacuation, be passed through nitrogen, start into
Row low temperature bakees;Atmosphere furnace is set with 10 DEG C/min of speed by room temperature to 450 DEG C;450 DEG C keep 120 minutes;Stopping adds
Heat, is naturally cooling to room temperature, it is thus achieved that conditioner substrate.(2) preparation of biological reinforced conditioner substrate: be CCTCC by preserving number
No. the conditioner base obtained during 0.1 gram of the Trichoderma asperellum CGM-10 spore powder of M 2014001 adds 1000 grams of steps (1)
Matter, obtains biological reinforced conditioner substrate as microbial augmentation biological adsorption agent after mixing.(3) municipal administration excess sludge biology is done
Change the preparation of organic conditioner: by iron powder 10 grams addition 1000 grams in the microbial augmentation conditioner substrate that step (2) obtains,
Diameter 1 centimetre it is prepared as, the biological dewatered organic conditioner of municipal excess sludge of length 1 centimetre after mix homogeneously.
It is 65% by the organic conditioner obtained through the present embodiment and municipal administration excess sludge Mixed adjustment water content, takes 30 public
Jin material carries out biological dewatered process 7 days in 50 liters of GRTL-D-50D type solid-state fermentation tanks, ventilates every day period 6 times, ventilates
Amount is 0.3 1 (volume ratio is as the criterion with mud actual volume), and each persistent period is 30 minutes;It is stirred during ventilation, turns
Speed is 5 revs/min, and the persistent period is 10 minutes.It is disposed and obtains the biological dewatered sludge product of water content 48%.
By above-mentioned biological dewatered during organic conditioner change sawdust and crushing straw into, other conditions keep constant,
After being disposed, water content of substrate is respectively 55% and 52%.
Organic conditioner municipal administration pretreated with NaOH excess sludge (the municipal administration dewatered sludge that will obtain through the present embodiment
Initial water content 80%, takes 40 kilograms of mud, adds sodium hydroxide 320 grams, processes 3 days under the conditions of 30 DEG C), Mixed adjustment is aqueous
Amount is 65%, takes 30 kilograms of materials and carries out biological dewatered process 7 days in 50 liters of GRTL-D-50D type solid-state fermentation tanks, and period is every
Day ventilates 6 times, and ventilation is 0.3 1 (volume ratio is as the criterion with mud actual volume), and each persistent period is 20 minutes;Ventilate
Time be stirred, rotating speed is 5 revs/min, and the persistent period is 10 minutes.It is disposed and obtains the biological dewatered dirt of water content 39%
Mud product.
By above-mentioned biological dewatered during organic conditioner change sawdust and crushing straw into, other conditions keep constant,
After being disposed, water content of substrate is respectively 46% and 43%.
Concrete outcome is shown in Table 1.The organic conditioner of table 1 present invention and other conditioner effectiveness comparison
The present embodiment is obvious to sludge reduction effect, and effective heavy metal and polycyclic aromatic hydrocarbon clearance after process are far above comparison
Group, may be used for soil remediation, charcoal soil or afforestation soil, Nutrition Soil etc..
Embodiment 2: the preparation method of the municipal administration biological dewatered organic conditioner of excess sludge, it comprises the steps: that (1) adjusts
The preparation of reason agent substrate: the cellulase fermentations after drying gives up dreg and furfural dregs fills according to the ratio that weight portion is 0.8 1
Divide mixing, after pulverizing, cross 10 mesh sieves, be then placed in atmosphere furnace, after atmosphere furnace evacuation, be passed through nitrogen, proceed by low
Temperature bakees;Atmosphere furnace is set with 10 DEG C/min of speed by room temperature to 450 DEG C;Keep 120 minutes;Stop heating, naturally fall
Warm to room temperature, it is thus achieved that conditioner substrate.(2) preparation of biological reinforced conditioner substrate: be CCTCC No. M by preserving number
0.5 gram of the Trichoderma asperellum CGM-10 spore powder of 2014001 adds the conditioner substrate obtained in 1000 grams of steps (1), mixing
Rear acquisition biological reinforced conditioner substrate is as microbial augmentation biological adsorption agent.(3) municipal administration excess sludge is biological dewatered organic
The preparation of conditioner: by iron powder 100 grams addition 1000 grams in the microbial augmentation biological adsorption agent that step (2) obtains, mixing
Diameter 2 centimetres it is prepared as, the biological dewatered organic conditioner of municipal excess sludge of length 3 centimetres after Jun Yun.
It is 65% by the organic conditioner obtained through the present embodiment and municipal administration excess sludge Mixed adjustment water content, takes 30 public
Jin material carries out biological dewatered process 7 days in 50 liters of GRTL-D-50D type solid-state fermentation tanks, ventilates every day period 12 times, logical
Air quantity is 0.5 1 (volume ratio is as the criterion with mud actual volume), and each persistent period is 30 minutes;It is stirred during ventilation,
Rotating speed is 5 revs/min, and the persistent period is 15 minutes.It is disposed and obtains the biological dewatered sludge product of water content 40%.
By above-mentioned biological dewatered during organic conditioner change sawdust and crushing straw into, other conditions keep constant,
After being disposed, water content of substrate is respectively 53% and 51%.
Organic conditioner municipal administration pretreated with NaOH excess sludge (the municipal administration dewatered sludge that will obtain through the present embodiment
Initial water content 80%, takes 40 kilograms of mud, adds sodium hydroxide 320 grams, processes 3 days under the conditions of 30 DEG C), Mixed adjustment is aqueous
Amount is 65%, takes 30 kilograms of materials and carries out biological dewatered process 7 days in 50 liters of GRTL-D-50D type solid-state fermentation tanks, and period is every
Day ventilates 12 times, and ventilation is 0.5 1 (volume ratio is as the criterion with mud actual volume), and each persistent period is 30 minutes;Logical
Being stirred during wind, rotating speed is 8 revs/min, and the persistent period is 15 minutes.It is disposed and obtains the biological dewatered of water content 35%
Sludge product.
By above-mentioned biological dewatered during organic conditioner change sawdust and crushing straw into, other conditions keep constant,
After being disposed, water content of substrate is respectively 43% and 41%.Specifically it is shown in Table 2.The organic conditioner of table 2 present invention and other conditioners
Effectiveness comparison
The present embodiment is obvious to sludge reduction effect, and effective heavy metal and polycyclic aromatic hydrocarbon clearance after process are far above comparison
Group, may be used for soil remediation, charcoal soil or afforestation soil, Nutrition Soil etc..
Embodiment 3: municipal administration biological dewatered organic conditioner of excess sludge and preparation method thereof, it comprises the steps: (1)
The preparation of conditioner substrate: the cellulase fermentations after drying gives up dreg and furfural dregs fills according to the ratio that weight portion is 11
Divide mixing, after pulverizing, cross 10 mesh sieves, be then placed in atmosphere furnace, after atmosphere furnace evacuation, be passed through nitrogen, proceed by low
Temperature bakees;Atmosphere furnace is set with 10 DEG C/min of speed by room temperature to 450 DEG C;Keep 60 minutes;Stop heating, naturally fall
Warm to room temperature, it is thus achieved that conditioner substrate.(2) preparation of biological reinforced conditioner substrate: be CCTCC No. M by preserving number
1 gram of the Trichoderma asperellum CGM-10 spore powder of 2014001 adds the carbonized material obtained in 1000 grams of steps (1), obtains after mixing
Biological reinforced conditioner substrate is as microbial augmentation biological adsorption agent.(3) the municipal administration biological dewatered organic conditioner of excess sludge
Preparation: by iron powder 50 grams add 1000 grams in the microbial augmentation biological adsorption agent that step (2) obtains, after mix homogeneously make
Standby one-tenth diameter 3 centimetres, the biological dewatered organic conditioner of municipal excess sludge of length 4 centimetres.By having of obtaining through the present embodiment
Machine conditioner is 65% with municipal administration excess sludge Mixed adjustment water content, takes 30 kilograms of materials at 50 liters of GRTL-D-50D type solids
Fermentation tank carries out biological dewatered process 7 days, ventilates every day period 12 times, ventilation be 0.6 1 (volume ratio, actual with mud
Volume is as the criterion), each persistent period is 40 minutes;Being stirred during ventilation, rotating speed is 10 revs/min, and the persistent period is 15 points
Clock.It is disposed and obtains the biological dewatered sludge product of water content 41%.
By above-mentioned biological dewatered during organic conditioner change sawdust and crushing straw into, other conditions keep constant,
After being disposed, water content of substrate is respectively 52% and 49%.
Organic conditioner municipal administration pretreated with NaOH excess sludge (the municipal administration dewatered sludge that will obtain through the present embodiment
Initial water content 80%, takes 40 kilograms of mud, adds sodium hydroxide 320 grams, processes 3 days under the conditions of 30 DEG C), Mixed adjustment is aqueous
Amount is 65%, takes 30 kilograms of materials and carries out biological dewatered process 7 days in 50 liters of GRTL-D-50D type solid-state fermentation tanks, and period is every
Day ventilates 12 times, and ventilation is 0.5 1 (volume ratio is as the criterion with mud actual volume), and each persistent period is 30 minutes;Logical
Being stirred during wind, rotating speed is 5 revs/min, and the persistent period is 15 minutes.It is disposed and obtains the biological dewatered of water content 38%
Sludge product.
By above-mentioned biological dewatered during organic conditioner change sawdust and crushing straw into, other conditions keep constant,
After being disposed, water content of substrate is respectively 53% and 50%.Specifically it is shown in Table 3.The organic conditioner of table 3 present invention and other conditioners
Effectiveness comparison
The present embodiment is obvious to sludge reduction effect, and effective heavy metal and polycyclic aromatic hydrocarbon clearance after process are far above comparison
Group, may be used for soil remediation, charcoal soil or afforestation soil, Nutrition Soil etc..
Embodiment 4: a kind of municipal administration biological dewatered organic conditioner of excess sludge, it includes following component: organic waste
Give up dreg and furfural dregs of cellulase fermentations is (0.5-1) 1 mixing according to weight ratio, then at every 1000 grams of mixture
Middle addition preserving number be 0.1 gram-1 gram of the Trichoderma asperellum CGM-10 spore powder of CCTCC No. M 2014001, particle diameter be 10-
The municipal administration biological dewatered organic conditioner of excess sludge is obtained after the iron powder of 100 microns 10 grams-100 grams is compounding.
Claims (2)
1. a preparation method for the biological dewatered organic conditioner of municipal excess sludge, is characterized in that organic waste cellulose
Enzyme fermentation gives up dreg and furfural dregs is sufficiently mixed according to the ratio that weight portion is (0.5-1) 1, crosses 10 mesh sieves, so after pulverizing
After put into atmosphere furnace, by be passed through after atmosphere furnace evacuation nitrogen proceed by low temperature bakee;Atmosphere furnace is set through with 10 DEG C/min
Ramp to 450 DEG C, after being warming up to maximum temperature, high temperature keep 120 minutes;Stop heating, be naturally cooling to room temperature, low
Temperature bakees and obtains carbonized material, it is thus achieved that conditioner substrate;Then according to it is CCTCC that every 1000 grams of conditioner substrate add preserving number
0.1 gram-1 gram of the Trichoderma asperellum CGM-10 spore powder of No.M 2014001, it is thus achieved that biological reinforced conditioner substrate;According to often
1000 grams of biological reinforced conditioner substrate add particle diameter 10-100 micron iron powder 10 grams-100 grams, are prepared as diameter after mix homogeneously
1-3 centimetre, the biological dewatered organic conditioner of municipal excess sludge of length 1-4 centimetre.
2. the biological dewatered organic conditioner of municipal excess sludge, is characterized in that it includes following component: organic waste is fine
Give up dreg and furfural dregs of dimension element enzyme fermentation is (0.5-1) 1 mixing according to weight ratio, then in every 1000 grams of mixture
Add preserving number be 0.1 gram-1 gram of the Trichoderma asperellum CGM-10 spore powder of CCTCC No.M 2014001, particle diameter be 10-100
The municipal administration biological dewatered organic conditioner of excess sludge is obtained after the iron powder 10 grams-100 grams of micron is compounding.
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CN106434374A (en) * | 2016-09-30 | 2017-02-22 | 湖南省农业生物技术研究中心 | Trichoderma asperellum and application thereof in remediation for heavy metal pollution |
CN107056409A (en) * | 2017-01-09 | 2017-08-18 | 山东省科学院能源研究所 | Prevent and treat root rot functional biological carbon base nutrient matrix and preparation method |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20010017287A (en) * | 1999-08-10 | 2001-03-05 | 이구택 | A method of dewatering organic sludge with centrifuge |
CN101580410A (en) * | 2008-08-29 | 2009-11-18 | 东莞市大众农业科技有限公司 | Method for producing alkaline organic fertilizer by papermaking sludge |
CN101746941A (en) * | 2008-12-10 | 2010-06-23 | 清华大学 | Biological drying method for treating dewatered sludge of urban sewage plant |
CN101955312A (en) * | 2010-10-19 | 2011-01-26 | 山东太阳纸业股份有限公司 | Sludge conditioner and using method thereof |
CN102358679A (en) * | 2011-09-20 | 2012-02-22 | 同济大学 | Sludge conditioner, and deep dehydration method by using the same |
CN103043880A (en) * | 2012-12-18 | 2013-04-17 | 陕西宣和通科技发展有限责任公司 | Biological drying method for sludge |
CN103910476A (en) * | 2014-03-25 | 2014-07-09 | 山东省科学院能源研究所 | Municipal dewatered sludge accessory-free bio-drying method on basis of sodium hydroxide pretreatment |
-
2016
- 2016-06-13 CN CN201610409433.1A patent/CN105837005B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20010017287A (en) * | 1999-08-10 | 2001-03-05 | 이구택 | A method of dewatering organic sludge with centrifuge |
CN101580410A (en) * | 2008-08-29 | 2009-11-18 | 东莞市大众农业科技有限公司 | Method for producing alkaline organic fertilizer by papermaking sludge |
CN101746941A (en) * | 2008-12-10 | 2010-06-23 | 清华大学 | Biological drying method for treating dewatered sludge of urban sewage plant |
CN101955312A (en) * | 2010-10-19 | 2011-01-26 | 山东太阳纸业股份有限公司 | Sludge conditioner and using method thereof |
CN102358679A (en) * | 2011-09-20 | 2012-02-22 | 同济大学 | Sludge conditioner, and deep dehydration method by using the same |
CN103043880A (en) * | 2012-12-18 | 2013-04-17 | 陕西宣和通科技发展有限责任公司 | Biological drying method for sludge |
CN103910476A (en) * | 2014-03-25 | 2014-07-09 | 山东省科学院能源研究所 | Municipal dewatered sludge accessory-free bio-drying method on basis of sodium hydroxide pretreatment |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106434374A (en) * | 2016-09-30 | 2017-02-22 | 湖南省农业生物技术研究中心 | Trichoderma asperellum and application thereof in remediation for heavy metal pollution |
CN107056409A (en) * | 2017-01-09 | 2017-08-18 | 山东省科学院能源研究所 | Prevent and treat root rot functional biological carbon base nutrient matrix and preparation method |
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CN109019814B (en) * | 2018-09-07 | 2021-09-07 | 界首市万花巢生物科技有限公司 | Sewage treatment agent prepared from edible fungus residues and preparation method thereof |
CN112430137A (en) * | 2020-11-25 | 2021-03-02 | 山东省科学院能源研究所 | Biochar-based aerobic compost conditioner containing wood vinegar and trichoderma spores |
CN113322284A (en) * | 2021-04-29 | 2021-08-31 | 浙江科技学院 | Method for reducing bioavailability of heavy metal in straw and application thereof |
CN113354252A (en) * | 2021-07-07 | 2021-09-07 | 浙江桃花源环保科技有限公司 | Novel sludge drying conditioner and preparation method thereof |
CN113636896A (en) * | 2021-08-20 | 2021-11-12 | 华电西藏能源有限公司大古水电分公司 | Method for promoting sandy aggregate dewatered sludge to be in soil by using wood processing excess material and biochar thereof |
CN114014576A (en) * | 2021-11-30 | 2022-02-08 | 东华大学 | Method for preparing cement filler by quickly drying municipal sludge |
CN115215703A (en) * | 2022-07-28 | 2022-10-21 | 无锡国联环保科技股份有限公司 | Soil conditioner based on dried sludge and preparation method thereof |
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