CN104310737A - Method for realizing sludge reduction by microorganisms - Google Patents

Method for realizing sludge reduction by microorganisms Download PDF

Info

Publication number
CN104310737A
CN104310737A CN201410548827.6A CN201410548827A CN104310737A CN 104310737 A CN104310737 A CN 104310737A CN 201410548827 A CN201410548827 A CN 201410548827A CN 104310737 A CN104310737 A CN 104310737A
Authority
CN
China
Prior art keywords
sludge
mud
domestication
quality
mud decrement
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.)
Pending
Application number
CN201410548827.6A
Other languages
Chinese (zh)
Inventor
鲁登强
李春生
王�华
翟金义
高新
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.)
SHANDONG JICHANG ENVIRONMENTAL ENGINEERING Co Ltd
Original Assignee
SHANDONG JICHANG ENVIRONMENTAL ENGINEERING Co Ltd
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 SHANDONG JICHANG ENVIRONMENTAL ENGINEERING Co Ltd filed Critical SHANDONG JICHANG ENVIRONMENTAL ENGINEERING Co Ltd
Priority to CN201410548827.6A priority Critical patent/CN104310737A/en
Publication of CN104310737A publication Critical patent/CN104310737A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • C02F11/04—Anaerobic treatment; Production of methane by such processes
    • 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
    • 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
    • Y02W10/20—Sludge processing

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)

Abstract

The invention belongs to the technical field of sewage treatment and particularly relates to a method for realizing sludge reduction by microorganisms. The method comprises the following steps: domesticating and culturing the sludge in a domesticating tank in which an activator is added to obtain active sludge; and respectively introducing the active sludge into a hydrolytic acidification tank and a pure oxygen aeration tank to perform water treatment. The method disclosed by the invention is low in cost, simple and convenient to operate, easy for filed implementation and good in reduction treatment of the sludge, so that the disposal of the sludge is safe, scientific and environmentally friendly.

Description

The method of mud decrement is realized with microorganism
Technical field
The invention belongs to technical field of sewage, be specifically related to a kind of method realizing mud decrement with microorganism.
Background technology
Along with China's level of urbanization improves constantly and industrial fast development, sewage disposal and sludge treatment situation very severe, the repugnant substance contained in mud, pathogenic agent, persistent organism, heavy metal etc. transfer to land from sewage, environmental pollution is caused to be spread further, mud really reaches stabilization treatment at present according to relevant statistics, the ratio realizing safe disposal is no more than 20%, so sludge disposal more and more comes into one's own.Really realize stable to mud and the disposal of safety is extremely urgent.
Summary of the invention
The object of this invention is to provide a kind of method realizing mud decrement with microorganism, realize the minimizing process of microorganism to mud, reduce enterprise operation cost and unit cash process cost.
Of the present invention with the method that microorganism realizes mud decrement be mud in the domestication pool adding activator through domestication, cultivate and obtain active sludge, active sludge enters hydrolysis acidification pool respectively and water treatment is carried out in pure oxygen aeration pond.
Described activator is the mixture of composite bacillus and starch.
The quality of described composite bacillus is the 0.1-10% of starch quality.
The add-on of described activator is the 20-30ppm of sludge quality.
Described domestication, the condition of cultivation are temperature 18-32 DEG C, dissolved oxygen 0-6mg/L, pH 6.0-9.0.
Of the present invention with the method that microorganism realizes mud decrement be mud in the domestication pool adding activator through domestication, cultivate and obtain: gas, water, required bacterium, protozoon, metazoan, microbial nutrition material etc.; Domestication, the qualified active sludge cultivated enter hydrolysis acidification pool respectively and pure oxygen aeration pond plays water treatment effect.
As shown in Figure 1, mud produces through domestication, cultivation and develops into CO in the domestication pool adding activator 2, H 2o, bacterium, zoogloea, microbial nutrition material, protozoon and metazoan; CO 2enter air, bacterium energy decomposing organic matter also has detoxification to mud; Protozoon and metazoan can ingest to mud and digest, can directly eat to larger cotton-shaped active sludge, partial sludge is made to have solid conversion to be liquid or gas after ingesting to suspended solid, also can prey on bacterium, while predation, bacterium forms zoogloea and carries out resisting preying on and producing secretory product and stimulate the dissolved organic matter matter produced in protozoic growth and protozoon and metazoan activity can be recycled by bacterium, promote the growth of bacterium, increase the activity of bacterium and have the quantity of activated bacterial; Bacterium enters acidication and pure oxygen aeration system, becomes the bacterium that is conducive to sewage disposal and play a role by dissimilation and assimilation.Microbial nutrition material in systems in which as bacterium and microorganism life nutritional source and play a role.
The technology of the present invention follows the four large principles allowing microorganism play a role: 1. necessary flora, and 2. active fully, the 3. concentration of science, 4. certain residence time, makes the application that microorganism succeeds in mud decrement, achieve good Effectiveness and benefit.
Microorganism is ubiquitous, the survival of the fittest, the moment changes, different conditions, different variations will be there is, produce different floras in different environment, different flora roles is different, so utilize this feature of microorganism, by changing certain environment, create or control certain condition, through domestication, cultivating the microorganism species that can obtain required for us, is our service, for we do things.Realize the minimizing process of microorganism to mud.
The present invention compared with prior art, has following beneficial effect:
Cost of the present invention is low, simple to operation, is easy to field conduct, and the minimizing treatment effect of mud is good, allows the disposal of mud achieve safety, science and environmental protection.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present invention.
Fig. 2 is 1 #biochemical process general flow chart.
Fig. 3 is 2 #biochemical process general flow chart.
Fig. 4 is sludge reduction process schema.
Fig. 5 is mud decrement effect contrast figure.
Embodiment
Below in conjunction with embodiment, the present invention is described further.
Embodiment 1
Mud obtains active sludge through domestication, cultivation in the domestication pool of mixture adding composite bacillus and starch, and active sludge enters hydrolysis acidification pool respectively and water treatment is carried out in pure oxygen aeration pond.The quality of composite bacillus is 0.1% of starch quality, and the add-on of the mixture of composite bacillus and starch is the 20ppm of sludge quality, and domestication, the condition of cultivating are temperature 18 DEG C, dissolved oxygen 0-6mg/L, pH 6.0-9.0.
Embodiment 2
Mud obtains active sludge through domestication, cultivation in the domestication pool of mixture adding composite bacillus and starch, and active sludge enters hydrolysis acidification pool respectively and water treatment is carried out in pure oxygen aeration pond.The quality of composite bacillus is 10% of starch quality, and the add-on of the mixture of composite bacillus and starch is the 30ppm of sludge quality, and domestication, the condition of cultivating are temperature 32 DEG C, dissolved oxygen 0-6mg/L, pH 6.0-9.0.
Embodiment 3
Mud obtains active sludge through domestication, cultivation in the domestication pool of mixture adding composite bacillus and starch, and active sludge enters hydrolysis acidification pool respectively and water treatment is carried out in pure oxygen aeration pond.The quality of composite bacillus is 1% of starch quality, and the add-on of the mixture of composite bacillus and starch is the 26ppm of sludge quality, and domestication, the condition of cultivating are temperature 26 DEG C, dissolved oxygen 0-6mg/L, pH 6.0-9.0.
Result of use
Branch office of China Petrochemical Industry sewage farm carries six factories 47 and overlaps the sewage disposal task that production equipment overlaps in the production of production equipment, sanitary sewage and periphery 47 local enterprises 51.Be divided into high saliferous (1 at present #biochemical), hyposaline (2 #biochemical) two systems, 1 #, 2 #the biochemical system designing treatment water yield is respectively 1200m 3/ h and 1000m 3/ h, design water outlet water-quality COD Cr≤60mg/L, NH 3-N≤6mg/L.Its process flow diagram is shown in Fig. 2 and Fig. 3 respectively.
Two systems monthly produce sludge filter cake (water ratio 70%) 1300 tons, produce sludge filter cake (water ratio 70%) about 15600 tons every year.Sludge filter cake belongs to danger wastes, and disposal costs is higher.For reducing enterprise operation cost and unit cash process cost, realizing sewage disposal economy up to standard, adopting the technology of the present invention mud to be carried out to the minimizing process of science.Specific as follows:
22 days ~ March 1 February in 2014 is at branch office of China Petrochemical Industry sewage disposal in-site installation test pipeline and sludge pump; " the old accident pool " in existing sewage farm is carried out to the appropriate reconstruction of valve, pipeline, become the sludge acclimatization pond of test.2 ~ March 7 in March, the mixing sludge of two systems (mixed by the biochemical excess sludge of two systems and pretreating sludge and form) was made a call to 1 by service pump #, 2 #sludge acclimatization pond.March 8 32 DEG C, mud tamed under dissolved oxygen 0 ~ 3.1mg/L condition, cultivate, proceed to 3 after qualified #pond; Domestication is cultivated qualified active sludge from 3 #hydrolysis acidification pool and pure oxygen aeration pond are squeezed into pump respectively in pond, and the active sludge squeezing into hydrolysis acidification pool and pure oxygen aeration pond, by dissimilation and assimilation, plays function in Sewage treatment systems.March 19, mud decrement manifested effect, and stablized to experiment end on June 30 always.Sludge reduction process schema is shown in Fig. 4.
Test-results:
1. mud decrement effect
Mud decrement data statistics is in table 1, and mud decrement effect comparison is shown in Fig. 5.
The data statistics of table 1 mud decrement
Illustrate:
A. above-mentioned data sludge filter cake quantity is from branch office of China Petrochemical Industry environmental protection center, and chemical feeding quantity, dosing produce dry mud amount from this branch office cleaning shop (sewage treatment plant), and 2014 annual datas comprise outer freight volume and tank farm stock.
B. measure through workshop, in system, mud is than before minimizing many 127.5 tons, and on average by 3 months, monthly system produces dry mud increment 42.5 tons.
C. calculation formula: 3.=1. × 2., 5.=4. × 0.5 ton dry mud/ton medicament, 6.=3.-5..
According to table 1 data analysis, if monthly average computation, rejecting contact-oxidation pool end adds the mud influence factor that high efficiency composition flocculation medicament produces, within 2013,7 ~ 12 monthly average produce dry mud 392.8t, within 2014,3 ~ 6 monthly average produce dry mud 151.5t (109t+42.5t), average monthly minimizing sludge quantity 241.3 tons of dry mud, mud decrement reaches 61.4%.
2. during mud decrement on the impact of sewage disposal
Mud decrement period 1 #biochemical secondary clarifier effluent situation is in table 2.
Table 21 #biochemical secondary clarifier effluent situation
As can be seen from date comprision in table 2:
When 3 series, four sections of sludge concentrations (about 5mg/L), fugitive constituent (about 42%) are substantially identical, 3 ~ July 3 March, secondary clarifier effluent water quality slightly raised that (economic form is become better, periphery enterprise working rate increases, influent COD slightly raises on year-on-year basis), illustrate and adopt the technology of the present invention sludge reduction not impact system water outlet.
After adopting the technology of the present invention, mud decrement reaches 61.4%, calculates by mud decrement 60%, and two add up to saving productive expense about 572.4 ten thousand yuan.
By above known the present invention, the stable and disposal of safety is really achieved to mud, reduce enterprise operation cost and unit cash process cost, there is good market application foreground.

Claims (5)

1. realize a method for mud decrement with microorganism, it is characterized in that mud obtains active sludge through domestication, cultivation in the domestication pool adding activator, active sludge enters hydrolysis acidification pool respectively and water treatment is carried out in pure oxygen aeration pond.
2. the method realizing mud decrement with microorganism according to claim 1, is characterized in that described activator is the mixture of composite bacillus and starch.
3. the method realizing mud decrement with microorganism according to claim 2, is characterized in that the quality of described composite bacillus is the 0.1-10% of starch quality.
4. the method realizing mud decrement with microorganism according to claim 1, is characterized in that the add-on of described activator is the 20-30ppm of sludge quality.
5. the method realizing mud decrement with microorganism according to claim 1, is characterized in that described domestication, the condition of cultivation is temperature 18-32 DEG C, dissolved oxygen 0-6mg/L, pH6.0-9.0.
CN201410548827.6A 2014-10-16 2014-10-16 Method for realizing sludge reduction by microorganisms Pending CN104310737A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410548827.6A CN104310737A (en) 2014-10-16 2014-10-16 Method for realizing sludge reduction by microorganisms

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410548827.6A CN104310737A (en) 2014-10-16 2014-10-16 Method for realizing sludge reduction by microorganisms

Publications (1)

Publication Number Publication Date
CN104310737A true CN104310737A (en) 2015-01-28

Family

ID=52366089

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410548827.6A Pending CN104310737A (en) 2014-10-16 2014-10-16 Method for realizing sludge reduction by microorganisms

Country Status (1)

Country Link
CN (1) CN104310737A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105859079A (en) * 2016-04-20 2016-08-17 辽宁中部环保有限公司 Biochemical sludge reduction integrated device and using method thereof
CN107399892A (en) * 2017-09-21 2017-11-28 河北文悦环保科技有限公司 Highly effective sludge biochemistry decrement method in a kind of sewage disposal process
CN111499142A (en) * 2020-06-09 2020-08-07 山东海景天环保科技股份公司 In-situ sludge reduction process for high-concentration organic wastewater

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5531898A (en) * 1995-04-06 1996-07-02 International Organic Solutions Corp. Sewage and contamination remediation and materials for effecting same
CN102583927A (en) * 2012-03-19 2012-07-18 太原理工大学 Sludge micro oxygen hydrolytic acidizing method
CN102583925A (en) * 2012-02-03 2012-07-18 哈尔滨工业大学 Method for pretreating excess sludge by adopting bio-augmentation technology
CN103910477A (en) * 2014-04-09 2014-07-09 厦门思得生物科技有限公司 Novel compound microbial agent used for sludge reduction treatment

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5531898A (en) * 1995-04-06 1996-07-02 International Organic Solutions Corp. Sewage and contamination remediation and materials for effecting same
CN102583925A (en) * 2012-02-03 2012-07-18 哈尔滨工业大学 Method for pretreating excess sludge by adopting bio-augmentation technology
CN102583927A (en) * 2012-03-19 2012-07-18 太原理工大学 Sludge micro oxygen hydrolytic acidizing method
CN103910477A (en) * 2014-04-09 2014-07-09 厦门思得生物科技有限公司 Novel compound microbial agent used for sludge reduction treatment

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105859079A (en) * 2016-04-20 2016-08-17 辽宁中部环保有限公司 Biochemical sludge reduction integrated device and using method thereof
CN107399892A (en) * 2017-09-21 2017-11-28 河北文悦环保科技有限公司 Highly effective sludge biochemistry decrement method in a kind of sewage disposal process
CN107399892B (en) * 2017-09-21 2020-04-21 河北文悦环保科技有限公司 Efficient sludge biochemical decrement method in sewage treatment process
CN111499142A (en) * 2020-06-09 2020-08-07 山东海景天环保科技股份公司 In-situ sludge reduction process for high-concentration organic wastewater

Similar Documents

Publication Publication Date Title
Zhang et al. Research on characteristics of aerobic granules treating petrochemical wastewater by acclimation and co-metabolism methods
CN105621626B (en) A kind of high-concentration chemical industry sewage composite bacteria agent and its application
Pan et al. Effects of the combination of aeration and biofilm technology on transformation of nitrogen in black-odor river
CN105541003A (en) Method for treating aquaculture wastewater
CN103205412A (en) Immobilized microbial preparation and method of treating meat product processing waste water by utilizing same
CN204211547U (en) A kind of microbial treatment device for dirty water and wastewater treatment
Bao-jun et al. The research status and development trend of microbial flocculant
CN103382049A (en) Sequencing batch activated sludge reactor for sewage treatment and treatment process
CN105198161B (en) A kind of processing preparation suitable for high-concentration hardly-degradable waste water
CN102776140B (en) Cold-tolerant pseudomonas strain Den-05, and screening method and application thereof
CN103395894B (en) Method for intermittent co-substrate-controlled co-metabolism decomposition of difficultly degraded phenol pollutants
CN104310737A (en) Method for realizing sludge reduction by microorganisms
CN102992495A (en) Method for treating benzene series industrial wastewater through microbial enhancing MBR (Meane Biological Reactor) process
CN111014280A (en) Method for repairing cadmium-polluted soil by using bacteria-montmorillonite compound
CN105152478B (en) Treatment method of industrial wastewater produced during preparation of sodium glutamate through concentration isoelectric process
CN103373766B (en) Wastewater biochemical treatment method for simultaneously realizing sludge reduction
CN107337283B (en) Method for rapidly culturing pig breeding sewage activated sludge
Karkare et al. Kinetic studies on agrochemicals wastewater treatment by aerobic activated sludge process at high MLSS and high speed agitation
CN102491534B (en) Waste water treatment method using online bacterium throwing device
CN104291444A (en) System and method for treatment of contact hydrolysis-algae micro-aeration composite wastewater
CN104944671B (en) A kind of processing method of wastewater from molecular sieve catalyzer
CN202347005U (en) Bacteria feeding device for online strain culture
CN105132326B (en) A kind of biological prosthetic preparation for concentrating isoelectric point technology and preparing industrial wastewater caused by sodium glutamate
CN202968242U (en) Sequencing batch activated sludge reactor for sewage treatment
CN105731658A (en) Biological enhancer for treating livestock and poultry breeding wastewater and preparation method thereof

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20150128

RJ01 Rejection of invention patent application after publication