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 PDF

Info

Publication number
CN105837005A
CN105837005A CN201610409433.1A CN201610409433A CN105837005A CN 105837005 A CN105837005 A CN 105837005A CN 201610409433 A CN201610409433 A CN 201610409433A CN 105837005 A CN105837005 A CN 105837005A
Authority
CN
China
Prior art keywords
conditioner
grams
excess sludge
sludge
biological
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201610409433.1A
Other languages
Chinese (zh)
Other versions
CN105837005B (en
Inventor
梁晓辉
赵玉晓
华栋梁
司洪宇
张晓东
秦超
钟统贤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Energy Research Institute of Shandong Academy of Sciences
Original Assignee
Energy Research Institute of Shandong Academy of Sciences
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Energy Research Institute of Shandong Academy of Sciences filed Critical Energy Research Institute of Shandong Academy of Sciences
Priority to CN201610409433.1A priority Critical patent/CN105837005B/en
Publication of CN105837005A publication Critical patent/CN105837005A/en
Application granted granted Critical
Publication of CN105837005B publication Critical patent/CN105837005B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor
    • C02F11/12Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/14Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor
    • C02F11/006Electrochemical treatment, e.g. electro-oxidation or electro-osmosis
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor
    • C02F11/02Biological treatment
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/06Sludge reduction, e.g. by lysis

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Processing Of Solid Wastes (AREA)
  • Treatment Of Sludge (AREA)

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

Municipal administration biological dewatered organic conditioner of excess sludge and preparation method thereof
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.
CN201610409433.1A 2016-06-13 2016-06-13 Municipal biological dewatered organic conditioner of excess sludge and preparation method thereof Active CN105837005B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610409433.1A CN105837005B (en) 2016-06-13 2016-06-13 Municipal biological dewatered organic conditioner of excess sludge and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610409433.1A CN105837005B (en) 2016-06-13 2016-06-13 Municipal biological dewatered organic conditioner of excess sludge and preparation method thereof

Publications (2)

Publication Number Publication Date
CN105837005A true CN105837005A (en) 2016-08-10
CN105837005B CN105837005B (en) 2018-05-25

Family

ID=56576564

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610409433.1A Active CN105837005B (en) 2016-06-13 2016-06-13 Municipal biological dewatered organic conditioner of excess sludge and preparation method thereof

Country Status (1)

Country Link
CN (1) CN105837005B (en)

Cited By (10)

* Cited by examiner, † Cited by third party
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
CN109019814A (en) * 2018-09-07 2018-12-18 界首市万花巢生物科技有限公司 A kind of sewage-treating agent and preparation method thereof using edible fungi residue preparation
CN109022286A (en) * 2017-06-12 2018-12-18 天津科技大学 A kind of preparation method of the fermenting agent for reducing grain fruits and vegetables content of beary metal
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

Citations (7)

* Cited by examiner, † Cited by third party
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

Patent Citations (7)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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
CN107056409B (en) * 2017-01-09 2020-10-09 山东省科学院能源研究所 Functional biochar-based nutrient medium for preventing and treating root rot and preparation method thereof
CN109022286A (en) * 2017-06-12 2018-12-18 天津科技大学 A kind of preparation method of the fermenting agent for reducing grain fruits and vegetables content of beary metal
CN109019814A (en) * 2018-09-07 2018-12-18 界首市万花巢生物科技有限公司 A kind of sewage-treating agent and preparation method thereof using edible fungi residue preparation
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

Also Published As

Publication number Publication date
CN105837005B (en) 2018-05-25

Similar Documents

Publication Publication Date Title
CN105837005B (en) Municipal biological dewatered organic conditioner of excess sludge and preparation method thereof
CN101134684B (en) Method for producing hydrogen and methane by kitchen waste diphasic anaerobic fermentation
CN111011159B (en) Preparation method of ecological improvement matrix based on coal gangue and sludge
CN106047762B (en) bacillus subtilis and application thereof in kitchen waste
CN103694010B (en) A kind of Ultrahigh-temperaturaerobic aerobic fermentation method for sludge and application thereof
CN101618934B (en) Sludge dry powder and preparation method thereof
CN109821889B (en) Soil diversified remediation method using composite material nano-microspheres
CN107988099B (en) Microbial agent for rapid degradation and reduction of organic garbage and application thereof
CN102701838B (en) Microbial organic fertilizer by using papermaking sludge as raw material and preparation method thereof
CN114014701B (en) Method for strengthening aerobic fermentation of kitchen waste by using oil-removing microbial agent
CN111171824A (en) Fermented biomass multifunctional soil conditioner and preparation and application methods thereof
CN113142014A (en) Alkaline river silt-based garden green planting soil and preparation method thereof
CN104261950A (en) Method for producing organic fertilizer and biochar cultivation medium by using household garbage
CN114940960A (en) Composite microbial preparation for degrading kitchen waste, preparation method and application thereof
CN114988926A (en) Organic compound fertilizer produced by eighty percent of sludge with water content and manufacturing method thereof
CN104230401A (en) Treatment method of kitchen garbage
CN106495834A (en) A kind of method that utilization sludge prepares fertilizer
CN104387137A (en) Method for preparing mixed compost of mushroom residue and kitchen garbage
CN103937713B (en) Microbiological deterioration liquid bacterial agent of food source organic waste and preparation method thereof
CN114223343B (en) Ecological management method for rare earth tailings restoration
CN113321548B (en) Organic fertilizer prepared by comprehensively utilizing wastes generated in beer production and preparation method thereof
CN117049910B (en) Method for producing bio-organic fertilizer by treating municipal sludge with microbial agent
CN103305447A (en) Organic waste degradation bacterium and preparation method thereof
CN117866779A (en) Trichoderma-sparassis crispa fungus chaff repairing agent and preparation method and application thereof
CN102600801B (en) Preparation of waste potato residue/palygorskite composite adsorbent and application of adsorbent in treatment of potato starch processing wastewater

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant