CN102557245B - Microbial promotion nutrition agent for improving zoogloea structure and activity of sludge - Google Patents

Microbial promotion nutrition agent for improving zoogloea structure and activity of sludge Download PDF

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CN102557245B
CN102557245B CN2011104400974A CN201110440097A CN102557245B CN 102557245 B CN102557245 B CN 102557245B CN 2011104400974 A CN2011104400974 A CN 2011104400974A CN 201110440097 A CN201110440097 A CN 201110440097A CN 102557245 B CN102557245 B CN 102557245B
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nutrition agent
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microorganism
microbial
agent
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CN102557245A (en
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张清华
曾凡付
张克江
杨泰山
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DELAND WATER TECHNOLOGY Co.,Ltd.
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XINJIANG DELAN CO Ltd
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    • 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
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Abstract

The invention provides a microbial promotion nutrition agent for improving a zoogloea structure and activity of sludge, which comprises raw materials of, by weight, 50-65 parts of fulvic acid organic chelating agents, 10-15 parts of corn meal, 5-10 parts of yeast powder, 1.0 part of sodium citrate, 0.76-2.0 parts of dithiocarbamate, 0.8-1.0 part of cytokinin, 6-10 parts of NH4NO3, 1.0-2.0 parts of Na2HPO4-12H2O, 0.5-1.0 part of KH2PO4, 0.2-1.0 part of MgSO4-7H2O and 0.02-0.5 part of CoCI2-6H2O. The preparation of the microbial promotion nutrition agent includes adding the raw materials in a reaction kettle sequentially, and evenly stirring for 60-90 minutes at normal temperature and normal pressure at the speed of 60 rounds per minute to obtain the microbial nutrition promotion agent. When the product is used, tap water is firstly added into the product for dissolution, the dosing ratio of the water to the microbial promotion nutrition agent is 10 to 2, and the microbial promotion nutrition agent is evenly added along the tangential direction of the water according to starting stirring at the speed of 60 rounds per minute, stirred for 30-40 minutes, and dissolved fully. The product serves as a biological debugging assistant or a biochemical reagent for use.

Description

A kind of microorganism of improving the zoogloea structure and activity of mud promotes nutrition agent
Technical field
The present invention relates to the wastewater biochemical treatment technology, the medicament that obtains can improve the zoogloea structure of active sludge, and promotes breeding and the amplification of probiotics in the active sludge, thereby improves active sludge to the oxidative decomposition capacity of pollutent, and important productive value is arranged.
Background technology
Activated Sludge Process is a kind of most widely used waste water aerobic biochemical processing, and it mainly is comprised of aeration tank, secondary sedimentation basins, aerating system and sludge reflux system etc.; Its principal feature is that waste water enters the aeration tank simultaneously with the active sludge that refluxes in secondary sedimentation basins bottom behind primary sedimentation pond, carries out aeration, and it is fully contacted with waste water, by two steps of adsorption and oxidation to finish the decontamination process to waste water.Because the zoic character of active sludge tool, examine under a microscope mainly and formed by microorganism, protozoon, wheel animalcule and some impurity, sometimes can also observe the appearance of oligochaetes and nematode; In order to keep the vigor of activated sludge absorption and oxidation, except controlling suitable pH-value, temperature, outside the conditions such as dissolved oxygen, also certain nutritive substance to be arranged, as microorganism growth, the energy of breeding, requirement has suitable carbon, nitrogen, phosphorus ratio, for most trade effluent owing to lacking micro-nutrients, and contain certain toxicity, this all affects the microorganisms of active sludge in the biological treatment of waste water system, finally can cause the failure of wastewater treatment, so for the shortage of nutritive substance in the waste water, conventional way is to add liquefied ammonia in the aeration tank, urea, NH 4NO 3, (NH 4) 2SO 4And H 3PO 4, but these nutritive substance kinds are single, make the initial failure period of Waste Water Treatment longer, and it is relatively poor that active sludge recovers operating performance slower and stable aerated pond, and for the water body that certain toxicity is arranged, these materials do not have obvious effect.
Literature search discloses:
Figure 2011104400974100002DEST_PATH_IMAGE002
The various fresh natural vegetable fruit lixiviums of the discoveries such as Fang Yifeng are rich in somatomedin, can promote microbial growth, therefore utilize the purification of leaching liquor landscape water body of corn, potato and sweet potato, COD, NH 3The clearance of-N and turbidity has increased respectively 6.01%, 8.05% and 20.59%, has obtained certain biological restoration effect; (2) the environmentally friendly biological growth promoter of employing such as Li Jizhou carries out static reparative experiment to certain polluted-water, and the result shows, the adding of biological growth promoter can promote pollutent CODcr, NH in the water body 3The degraded of-N and TP.Under the condition of aeration not, best to the decontamination effect improving of water quality when the biological growth promoter dosage is 4.0 mg/Ld, add 10 days after, the degradation rate of CODcr, NH3-N and TP is respectively 23.8%, 78.2%, 23.9% in the water sample; (3) Fang Yifeng etc. adds the bio-stimulant that yeast extract paste, amino acid and VITAMIN etc. form in actual view water sample, experimental result is compared with blank, the clearance of CODcr, turbidity, ammonia nitrogen has increased respectively 27.3%, 23.6%, 11.5%, and dissolved oxygen has promoted 21.2%; (4) bio-stimulant that can company of nation provides of the use such as Hao Yongsheng is rich in the main components such as amino acid, urea, humic acid, enzyme, good reparation Shanghai Southwest Area river and landscape water body; (5) the purifying polluted manmade landscape, artificial landscape Chi Shui of applying biological stimulant BIO-El such as Pan Yongzhang, found that, its clearance to COD in water body cr, NH3-N, TP, turbidity has reached respectively 68%, 93%, 75%, 83%, dissolved oxygen concentration is brought up to 7.3mg/L by 3.5mg/L, algae 7d after dispensing begins to sink in the water, becomes clear behind the whole water body dispensing 10d; (6) the bio-stimulant BioOxidator that makes of the employing pure natural substance such as Tang Yubin TM(Bo), NutraComplex TM(NC) lake water of Shanghai Botanical Garden boudoir and peony garden is repaired, the result shows, adding of medicament all has significant removal effect to water body COD, BOD, TP, turbidity etc.; (7) the employing liquid such as Deng Liu clearly (ACF32) the Xi Ba river tract in west, Kunming is carried out biological restoration, experiment shows, biotechnological formulation can rapidly remove the stink of polluted-water, can strengthen in the short period of time the self-purification capacity of polluted-water, and the shock-resistant ability of water body is improved, the ecological functions of recovering water body are had preferably effect.
Design of the present invention is exactly to promote nutrition agent for active sludge in the biological treatment of waste water system provides a kind of microorganism, be used for improvement and beneficial microorganism breeding and the amplification of the active sludge zoogloea structure of aeration tank, to realize the normal steady running of biological treatment of waste water system, reached design requirements, for exemplary role has been played in the technological transformation of enterprise.
Summary of the invention
The object of the invention is to: the microorganism that provides promotes the nutrition agent product to use as biology debugging auxiliary agent, namely accelerates microbial growth, shortens initial failure period; To the biochemical treatment of biochemical system, can reduce aeration rate, improve the stability of biochemical system.
The present invention seeks to realize like this: a kind of microorganism of improving the zoogloea structure and activity of mud promotes nutrition agent, with the parts by weight preparation raw material, through being prepared into finished product;
Raw material: by yellow humic acid organic sequestering agent 50-65 part, Semen Maydis powder 10-15 part, yeast powder 5-10 part, 1.0 parts of Trisodium Citrates, dithiocarbamate salt 0.76-2.0 part, phytokinin 0.8-1.0 part, NH 4NO 36-10 part, Na 2HPO 412H 2O 1.0-2.0 part, KH 2PO 40.5-1.0 part, MgSO 47H 2O 0.2-1.0 part, CoCl 26H 2O 0.02-0.5 part forms;
Preparation: above-mentioned raw materials is added in the reactor successively, and normal temperature, normal pressure with 60 rev/mins of speed, stirred 60-90 minute, evenly, namely got microorganism and promoted nutrition agent.
Described promotion nutrition agent, product add first the tap water dissolving in use, and its water promotes the throwing amount of nutrition agent than being 10:2 with microorganism; Open stirring with 60 rev/mins of speed, promote nutrition agent evenly to add along the tangential direction of water microorganism, stirred 30-40 minute, it is fully dissolved.
Described promotion nutrition agent adds microorganism according to sludge settling ratio and promotes nutrition agent.
Described promotion nutrition agent, product uses as biology debugging auxiliary agent or as biochemical reagents.
Described promotion nutrition agent, the yellow humic acid organic sequestering agent, phytokinin, the Na that select 2HPO 412H 2O, MgSO 47H 2O, CoCl 26H 2O is the commercially available prod.
The mechanism of action of the present invention and solution: according to the formation of active sludge zoogloea and the characteristic of microorganism growth, with the yellow humic acid organic sequestering agent, Semen Maydis powder, yeast powder, Trisodium Citrate, dithiocarbamate salt, NH 4NO 3, Na 2HPO 412H 2O, KH 2PO 4, MgSO 47H 2O, CoCl 26H 2The reagent such as O are rationally composite, the promotion nutrition agent that obtains, can effectively improve active sludge zoogloea structure and biophase, improve the activity of active sludge microorganism, and the quantity of efficient bacterium in the increase active sludge, thereby improve active sludge to the degradation capability of pollutent, so that the treatment effect of sewage is splendid, show technical progress.
Description of drawings
The present invention is described further by reference to the accompanying drawings.
Accompanying drawing 1 promotes nutrition agent for adding microorganism, circle the expose to the sun variation schematic diagram of pond COD of Chi Hewei that exposes to the sun;
As shown in the figure: during late May, biochemical system is impacted, and it is very poor that treatment effect becomes, and water outlet COD value does not far reach index request.
Accompanying drawing 2 promotes nutrition agent for adding microorganism, circle the expose to the sun variation schematic diagram of pond COD of Chi Hewei that exposes to the sun;
As shown in the figure: find out that circle exposes to the sun and littlely expose the constantly reduction of water COD value from the trend of figure, and fluctuation diminishes, the circle Chi Hewei that exposes to the sun exposed to the sun pond water outlet COD value less than 120mg/L June 18, had reached the emission request of product beta test.
Embodiment
Control Example of the present invention is described further.
Embodiment
Preparation of raw material: get 65.0 parts of yellow humic acid organic sequestering agents with parts by weight, 10.0 parts of Semen Maydis powder, 10.0 parts of yeast powders, 1.0 parts of Trisodium Citrates, 1.0 parts of dithiocarbamate salt, 0.8 part of phytokinin, NH 4NO 38.0 part, Na 2HPO 412H 22.0 parts of O, KH 2PO 41.0 part, MgSO 47H 20.8 part of O, CoCl 26H 20.4 part of O;
Preparation: above-mentioned raw materials is added in the reactor successively, and normal temperature, normal pressure with 60 rev/mins of speed, stirred 80 minutes, evenly, namely got microorganism and promoted nutrition agent.
The use key points for operation of this product:
1) measures sludge settling ratio, to observe the color of active sludge, smell state and flocculation, precipitation process, and with the dynamic change of the zoogloea structure microbial of optics sediments microscope inspection active sludge: the active sludge of standard state is khaki color, smell is the earth smell, sedimentation is rapid, again according to the observed and recorded result of this sewage work, can judge the running condition of aeration tank, the active sludge of the explanation aeration tank system that is not inconsistent with conventional phenomenon is worsening, need to add microorganism and promote nutrition agent, to improve active sludge zoogloea structure in the aeration tank.
2) detection enters BOD5 and the COD of the former water pollutant concentration of aeration tank, calculates the ratio of B/C; The waste water of BOD/COD＜0.3 belongs to waste water difficult for biological degradation, and this moment, microorganism promoted that the dosage of nutrition agent needs to strengthen, and the time of adding needs to prolong, and with repairing activity sludge bacteria micelle structure, makes it return to optimum regime; And BOD/COD 0.3 waste water belongs to biodegradable waste water, this moment, microorganism promoted long-time and a small amount of the adding of nutrition agent can guarantee the long steady running of aeration tank system.
3) this product adds first the tap water dissolving in use, and its water promotes the nutrition agent dosage than being 10:2 with microorganism; Open stirring with 60 rev/mins of speed, promote nutrition agent evenly to add along the tangential direction of water microorganism, stirred 35 minutes, it is fully dissolved, belong to normal phenomenon if muddiness appears in solution, do not affect result of use.
4) promote nutrition agent to be added in the returned sluge microorganism by dosing pump, and continue to add, the large I of dosage is finished by the aperture of regulating dosing pump; In adding microorganism promotion nutrition agent process, continue to observe sludge settling ratio, MLSS and COD, until aeration tank treatment system water outlet is up to standard, and steady running.
5) product use range can be used as the biological stablizer of debugging auxiliary agent and biochemical system run duration.
The sewage disposal experimental verification:
The water disposal system of Urumchi petrifaction sewage water purification plant, active sludge color are Vandyke brown, and a small amount of beans shape worm and flagellate and amoeba are found in microscopic examination, and a small amount of mycelia is arranged between flco; Promote nutrition agent to be added in the returned sluge microorganism by dosing pump, promote the amount of nutrition agent by the microorganism that contains 12ppm in the aeration tank, continue to add, the large I of dosage is finished by the aperture of regulating dosing pump; After one month, the mud color is khaki color, and close structure leaves standstill the flco that occurs a moment and obviously increases, and settling velocity is fast, and supernatant liquid is limpid, can clearly see zoogloea pinniform edge; Microscopic examination has ciliate, roaming worm, solely contracting worm and a small amount of campanularian, can find out that from the biophasic variation of active sludge adding of medicament produces a desired effect.
In addition, the COD of the Continuous Observation waste water situation of degrading can find out that such as Fig. 1 biochemical system is impacted during late May, and it is very poor that treatment effect becomes, and water outlet COD value does not far reach index request.
Promote nutrition agent from beginning on June 3 in biochemistry pool microorganism on probation, medicament starts needs certain hour, medicament enters the reinforcement after date, trial effect clearly, circle exposes to the sun and little water COD value that exposes constantly reduces, and fluctuation diminishes, and the circle Chi Hewei that exposes to the sun exposed to the sun pond water outlet COD value less than 120mg/L June 18, had reached the emission request (Fig. 2) of product beta test.
This product meets national company standard: Q/DL
Figure DEST_PATH_IMAGE004

Claims (1)

1. a microorganism of improving the zoogloea structure and activity of mud promotes nutrition agent, it is characterized in that: with the parts by weight preparation raw material, through preparation Get product
Raw material: by yellow humic acid organic sequestering agent 50-65 part, Semen Maydis powder 10-15 part, yeast powder 5-10 part, 1.0 parts of Trisodium Citrates, dithio AmmoniaBase formate 0.76-2.0 part, phytokinin 0.8-1.0 part, NH 4NO 36-10 part, Na 2HPO 412H 2O 1.0-2.0 part, KH 2PO 40.5-1.0 part, MgSO 47H 2O 0.2-1.0 part, CoCl 26H 2O 0.02-0.5 part forms;
Preparation: above-mentioned raw materials is added in the reactor successively, and normal temperature, normal pressure with 60 rev/mins of speed, stirred 60-90 minute, evenly, namely got microorganism and promoted nutrition agent.
2, described promotion nutrition agent according to claim 1 is characterized in that: product adds first the tap water dissolving in use, and its water promotes the throwing amount of nutrition agent than being 10:2 with microorganism; Open stirring with 60 rev/mins of speed, promote nutrition agent evenly to add along the tangential direction of water microorganism, stirred 30-40 minute, it is fully dissolved.
3, described promotion nutrition agent according to claim 1 is characterized in that: add microorganism according to sludge settling ratio and promote nutrition agent.
4, described promotion nutrition agent according to claim 1 is characterized in that: product uses as biology debugging auxiliary agent or as biochemical reagents.
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CN103848504B (en) * 2012-11-28 2015-08-19 沈阳铝镁设计研究院有限公司 Biological reinforced dose and preparation method thereof and using method
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CN1095892A (en) * 1994-03-28 1994-12-07 北京大学 Efficient peanut yield increasing agent and preparation method thereof
CN101270009A (en) * 2008-05-09 2008-09-24 中国农业大学 Rhizosphere regulate and control fertilizer
CN101602628A (en) * 2009-07-07 2009-12-16 东莞市奇的肥业有限公司 A kind of rice special organic-inorganic BB fertilizer

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JP2000084581A (en) * 1998-09-09 2000-03-28 Toshiba Corp Waste liquid treatment and its apparatus
JP5160017B2 (en) * 2004-11-25 2013-03-13 関東天然瓦斯開発株式会社 Fulvic acid-containing material and method for producing fulvic acid-containing material

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Publication number Priority date Publication date Assignee Title
CN1095892A (en) * 1994-03-28 1994-12-07 北京大学 Efficient peanut yield increasing agent and preparation method thereof
CN101270009A (en) * 2008-05-09 2008-09-24 中国农业大学 Rhizosphere regulate and control fertilizer
CN101602628A (en) * 2009-07-07 2009-12-16 东莞市奇的肥业有限公司 A kind of rice special organic-inorganic BB fertilizer

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Title
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Inventor after: Zhang Qinghua

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