CN104845910A - Biochemical reagent and preparation method and application thereof - Google Patents
Biochemical reagent and preparation method and application thereof Download PDFInfo
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- CN104845910A CN104845910A CN201510243311.5A CN201510243311A CN104845910A CN 104845910 A CN104845910 A CN 104845910A CN 201510243311 A CN201510243311 A CN 201510243311A CN 104845910 A CN104845910 A CN 104845910A
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Abstract
The invention provides a biochemical reagent, which is prepared from solid phase spray and liquid phase spray by mixing spray reaction; the mass ratio of the solid phase spray to the liquid phase spray is 1:0.4-0.6; the solid phase spray is composite non-metallic minerals A (patent number 201310017703.0); the liquid phase spray comprises the following components in parts by weight: 5-15 parts of compound bacteria, 5-15 parts of nutritional agent and 0.05-0.15 parts of binder, wherein the compound bacteria are bacillus subtilis and photosynthetic bacteria of which the mass ratio is 1:4-6. The invention provides mixing spray reaction equipment used for preparing the biochemical reagent and a method for preparing the biochemical reagent by using the equipment. The biochemical reagent prepared according to the invention takes into account two aspects of microorganism loading capacity and substrate mass transfer resistance, low cost and long service life are realized, and thus, the biochemical reagent and the preparation method and application thereof can be used for treating polluted water bodies of a city and used for various water treatment engineering projects, and have a bright prospect.
Description
Technical field
The invention belongs to water treatment field, particularly a kind of biological reagent, also relate to preparation method and the application of this biological reagent uniqueness.
Background technology
Current, water pollution problems has become one of main problem of China's urban environment.Whole nation river waters and lake are generally subject to pollution in various degree, and especially middle and lower reaches section in big and medium-sized cities is polluted more serious.Urban river is the important component part of China's water surrounding, and due to the discharge of people's trade effluent and city domestic sewage, city rivers pollution situation is quite serious, and ubiquity eutrophication problem.According to statistics, to early in the twentieth century, almost do not had the natural river that complete in the world, the havoc of urban river and degeneration have been acknowledged as a global ecological environment problem.As can be seen here, the reparation of water surrounding becomes the important content of China environmental protection.
But the improvement of urban polluted water is quite difficult, harnessing project amount is large, involves a wide range of knowledge.The main Pollution control technology of existing urban polluted water has Physical, chemical method, biological process etc.Physical is often cured the symptoms, not the disease, and watercourse aeration technology, Sediment Dredging technology etc. all exist the shortcoming had high input, and do not have the ability of scale pollution treatment, and the final process of the polluted bed mud be eliminated in Sediment Dredging are also very stubborn problems; Chemical method mainly adopts various chemical agent, killing algae, adding the precipitation (chemistry is phosphorus admittedly) etc. that molysite etc. promotes phosphorus, though chemical process can make water quality temporarily improve, can cause secondary pollution as added chemical agent; Biological process is a kind of main body recovery technique with good development prospect, and control expense is low, and environment is without impact, and pollution degradation to greatest extent, but the difficult point such as screening, microbial growth control that there is high efficient strain, make biological process recovery technique be difficult to promote.Therefore, in conjunction with the feature of urban water-body, be conceived to the reparation to water ecosystem and self-purification capacity, seeking a kind of novel sewage treatment agent with low cost, efficient becomes current major subjects.
Summary of the invention
Goal of the invention: the first object of the present invention is to provide that a kind of cost is low, efficiency is high, simply, the preparation method of biological reagent efficiently.The second object of the present invention is to provide the biological reagent that a kind of load of microorganisms rate is high, resistance to mass transfer is little, the shelf time is long.
Technical scheme: a kind of biological reagent provided by the invention, is sprayed by solid phase and liquid phase is sprayed obtained by mixed atomizing reaction; The mass ratio of solid phase spraying and liquid phase spraying is 1:0.4-0.6; Described solid phase spraying is composite non-metal mineral A (patent No. 201310017703.0); Described liquid phase spraying comprises the component of following weight part: composite bacteria 5-15 part, nutrition agent 5-15 part, binding agent 0.05-0.15 part; Wherein, subtilis and the photosynthetic bacterium of described composite bacteria to be mass ratio be 1:4-6.
As improvement, described nutrition agent comprises the component of following weight part: yeast extract paste 0.05-0.1 part, extractum carnis 0-0.06 part, peptone 0.05-0.15 part, glucose 0.05-0.15 part, sodium-chlor 0.02-0.08 part, ammonium sulfate 0-0.05 part, magnesium sulfate heptahydrate 0-0.05 part, dipotassium hydrogen phosphate 0.05-0.15 part.
Present invention also offers the mixed atomizing conversion unit for the preparation of above-mentioned biological reagent, comprise liquid phase spraying plant, solid phase spraying plant, granulation district; Wherein, described liquid phase spraying plant comprises the container for storing liquid, force (forcing) pump, time switch and the fog-spray nozzle that are connected successively by liquid-inlet pipe; Described solid phase spraying plant comprises storage powder tank and the air compressor machine, air filter, relief valve and the Venturi that are connected successively by inlet pipe penetrate powder pump, and described storage powder tank is penetrated powder pump with Venturi and is connected by powder inlet pipe; Described fog-spray nozzle is located at top, granulation district, described in penetrate powder pump and be located on granulation district sidewall, be provided with whipping appts bottom described granulation district.Reactor adopts upper feed liquor, and side enters powder, avoids solid-liquid to spray, prevents the blocking of nozzle, and the contact reacts time is longer simultaneously, and contact reacts effect is better.Reactor is equipped with control agitator and wind is swept, to obtain half-dried microbial preparation in surface.
As improvement, granulation district is the right cylinder of diameter 330-380mm, high 1100-1400mm; Described powder inlet pipe is located at top, granulation district.
Present invention also offers the preparation method of above-mentioned biological reagent, comprise the following steps: spray as raw material with solid spray and liquid phase, utilize the spray mixing conversion unit described in claim 3 or 4 to prepare half form biotechnological formulation.
For reaching the biotechnological formulation of leather hard, before discharge, wind can be swept according to the alternative switch whipping device of the dry and wet state of biotechnological formulation and surface, first carrying out mixing, dry, then carry out discharging.
Preferably, the parameter of adjustable spraying mix reaction equipment: liquid spray pressure 0.6-1.2MPa, the air pressure 0.1-0.3MPa needed for solid spray.
Preferably, controlling solid spray flow is 160-200g/min, liquid phase mist flow 80-100mL/min respectively, and powder mass flow is about 1.5-2.5:1 with liquid flow rate ratio.
Present invention also offers the application in the treatment of waste water of above-mentioned biological reagent.
Described application, is specially: the dosage of this biological reagent is 0.1-0.2g/50mL waste water, and processing reaction temperature is 30-40 DEG C, and the reaction times is 3-4d, pH is 6-8.Added by biological reagent in waste water, after certain treatment time, overlying water matter and bed mud structure improve, and bottom mud microbe kind is improved, and bed mud organic matter is degraded.
Beneficial effect: relative to prior art, the present invention has following outstanding advantage:
1. biological reagent of the present invention adopts immobilization compound microorganisms, wherein subtilis can decompose carbon system, nitrogen system, phosphorus system, sulphur system pollutent consumingly, decompose complicated polysaccharide, protein and water soluble organic substance, mainly larger molecular organics is degraded into small organic molecule; And photosynthetic bacterium can be degraded to small organic molecule, the materials such as nitrate, nitrite and reactive phosphate can be removed, regulation and control water quality simultaneously.The associating of two kinds of microorganisms, overcomes the defect that single microorganism absorbs degraded one matter, utilizes the synergy of multiple beneficial microorganism, synchronously absorb, transforms, degrades, removes multiple environmental pollutant, realizes the object of repairing water body.In addition; immobilization material itself has non-secondary pollution, on the spot strong operability, improves unit volume microorganism concn, protects microorganism from advantages such as hazardous and noxious substances infringements; two each side of the resistance to mass transfer of load of microorganisms power and substrate taken into account again by biotechnological formulation prepared by the present invention simultaneously; low cost; long lifetime; therefore can be used for the improvement of city polluted water body, and various engineering of water treatment project, have a extensive future.
2. the present invention adopts mixed atomizing conversion unit.It is a kind of small-sized, cost is low, simple to operate, be applicable to the device producing effective biotechnological formulation.This apparatus main body is that the atomization of two phase reaction thing is carried out the device of hybrid reaction by a kind of pressure that utilizes again, and it has neutralized the well blend effect of mechanically mixing reactor and the low expense of gas-flow reactors.The preparation method of biotechnological formulation provided by the invention have employed atomising spray technique, substantially increases the contact reacts area of carrier and microorganism, farthest loading microorganisms; The binding agent added in mixed solution and nutrition agent can improve the carrying capacity of microorganism and extend the shelf time of biotechnological formulation; Half-dry type biotechnological formulation avoids drying process follow-up in preparation flow, greatly remains microbic activity; Be different from entrapping method, the biotechnological formulation preparation method that this invention provides reduces resistance to mass transfer, remains hole abundant in natural mineral structure.
3. utilize the mixed atomizing conversion unit proposed when preparing biotechnological formulation, by composite non-metal mineral A and comprise composite bacteria, microbial nutrition agent, lower concentration the mixed bacteria liquid of binding agent all bond with vaporific form contact reacts.The method compares the soaking technology in absorption method, substantially increases the contact reacts area of carrier and microorganism, and avoids drying process follow-up in preparation flow, greatly remain the activity of loading microorganisms.In addition, compare the gelled pill that entrapping method middle and high concentration embedded material is made, the existing certain bonding force of binding agent of lower concentration, reduce the loss of microorganism, hole abundant in natural mineral structure can not be blocked again, reduce the resistance in substrate transmittance process to a certain extent, and make simple and fast.Appropriate nutrition agent can maintain the normal growth in microorganism for some time, therefore can extend the shelf time of biotechnological formulation.
Accompanying drawing explanation
Fig. 1 is the structural representation of mixed atomizing conversion unit provided by the invention.
Embodiment
Below in conjunction with accompanying drawing the present invention made and further illustrating.
The composite non-metal mineral A that the present invention uses adopts the method for Chinese patent application file 201310017703.0 to obtain.Subtilis CMCC 63501 in the composite bacteria used and photosynthetic bacterium Rhodopseudomonas palustris DSM5859, is purchased from Jiangsu Lv Ke Bioisystech Co., Ltd.
For the preparation of the mixed atomizing conversion unit of above-mentioned biological reagent, see Fig. 1, comprise liquid phase spraying plant 1, solid phase spraying plant 2, granulation district 3; Wherein, liquid phase spraying plant 1 comprises the container for storing liquid 12, force (forcing) pump 13, time switch 14 and the fog-spray nozzle 15 that are connected successively by liquid-inlet pipe 11; Solid phase spraying plant 2 comprises storage powder tank 15 and penetrates powder pump 14 by air compressor machine 11, air filter 12, relief valve 13 and Venturi that inlet pipe 21 connects successively, and storage powder tank 15 is penetrated powder pump 14 with Venturi and is connected by powder inlet pipe 16; Fog-spray nozzle 15 is located at top, granulation district 3, penetrates powder pump 14 and is located on granulation district 3 sidewall, be provided with whipping appts 31 bottom granulation district 3.Granulation district 3 is the right cylinder of diameter 330-380mm, high 1100-1400mm; Powder inlet pipe 16 is located at top, granulation district 3.
In the present embodiment, the Venturi of employing penetrates each size of powder pump 14, and the internal diameter of first paragraph airduct is 20mm, and penetrating powder pump line larynx is 12mm, and the internal diameter of second segment airduct is 20mm.Meanwhile, the diameter arranging granulation district 3 according to the spray configuration of atomizer is 350mm, is highly 1200mm.
Embodiment 1
Biological reagent, is sprayed by solid phase and liquid phase is sprayed obtained by mixed atomizing reaction; The mass ratio of solid phase spraying and liquid phase spraying is 1:0.4; Described solid phase spraying is; Described liquid phase spraying comprises the component of following weight part: composite bacteria 5 parts, nutrition agent 15 parts, binding agent 0.05 part; Wherein, subtilis CMCC 63501 and the photosynthetic bacterium Rhodopseudomonas palustris DSM5859 of described composite bacteria to be mass ratio be 1:4, be purchased from Jiangsu Lv Ke Bioisystech Co., Ltd; Described nutrition agent comprises the component of following weight part: yeast extract paste 0.07 part, extractum carnis 0.03 part, peptone 0.1 part, glucose 0.1 part, 0.05 part, sodium-chlor, 0.02 part, ammonium sulfate, magnesium sulfate heptahydrate 0.02 part, dipotassium hydrogen phosphate 0.1 part.
The preparation process of this biological reagent is as follows:
(1) preparation is containing bacterium mixed solution stored in container for storing liquid, prepares dry composite non-metal powder; Selected mineral dust size is about 200 orders, is about 0.074mm; Liquid spray particle diameter is about 0.071mm, close with solid phase atomizing particle size;
(2) regulate air pressure, liquid pressure by relief valve and pressure pump, set time switch and frequency conversion agitator: liquid spray pressure 0.6-1.2MPa, the air pressure 0.1-0.3MPa needed for solid spray.
(3) liquid spray is entered by top through liquid phase spraying equipment, and solid spray enters granulation district through solid phase spraying equipment from both sides, and two-phase carries out contacting, mixing granulation; Controlling solid spray flow is 160-200g/min, liquid phase mist flow 80-100mL/min respectively, and powder mass flow is about 1.5-2.5:1 with liquid flow rate ratio; Drop on dividing plate through agitator stir and air compressor machine sweep wind effect under enter material discharge region and carry out discharge; Opening power can prepare the microbial preparation of semi-wet state; Circular flat bottom is adopted to carry out discharge, before discharge, according to the dry wet degree of biotechnological formulation, optionally control whipping device and surface and sweep wind, carry out mixing, dry, after reaching requirement, under the effect of whipping device, the discharge port designing fan blade type from circular flat bottom carries out discharge.
Embodiment 2
Biological reagent, is sprayed by solid phase and liquid phase is sprayed obtained by mixed atomizing reaction; The mass ratio of solid phase spraying and liquid phase spraying is 1:0.5; Described solid phase spraying is; Described liquid phase spraying comprises the component of following weight part: composite bacteria 5 parts, nutrition agent 15 parts, binding agent 0.15 part; Wherein, the subtilis of described composite bacteria to be mass ratio be 1:6 and the red non-sulphur bacteria of photosynthetic bacterium Rhodospirillaceae; Described nutrition agent comprises the component of following weight part: yeast extract paste 0.05 part, extractum carnis 0.06 part, peptone 0.15 part, glucose 0.15 part, 0.02 part, sodium-chlor, 0.05 part, ammonium sulfate, magnesium sulfate heptahydrate 0.05 part, dipotassium hydrogen phosphate 0.05 part.
Embodiment 3
Biological reagent, is sprayed by solid phase and liquid phase is sprayed obtained by mixed atomizing reaction; The mass ratio of solid phase spraying and liquid phase spraying is 1:0.6; Described solid phase spraying is; Described liquid phase spraying comprises the component of following weight part: composite bacteria 15 parts, nutrition agent 5 parts, binding agent 0.05 part; Wherein, the subtilis of described composite bacteria to be mass ratio be 1:4 and the red non-sulphur bacteria of photosynthetic bacterium Rhodospirillaceae; Described nutrition agent comprises the component of following weight part: yeast extract paste 0.05 part, extractum carnis 0.06 part, peptone 0.15 part, glucose 0.15 part, 0.02 part, sodium-chlor, 0.05 part, ammonium sulfate, magnesium sulfate heptahydrate 0.05 part, dipotassium hydrogen phosphate 0.05 part.
Biological reagent obtained for embodiment 1 is used for wastewater treatment.The polluted bed mud adopted in experiment and polluted-water are from one section of unhurried current section water body in oolong pool, and the chemical group prejudice table 1 of polluted bed mud and water body, measures water quality parameter index and comprise chemical oxygen demand (COD) (COD), ammonia nitrogen (NH
3-N), total phosphorus (TP), initial concentration value is in table 1.
The initial value of front polluted bed mud and water body index of correlation tested by table 1
Treatment condition are in table 2.
Table 2 treatment condition
Water quality detection is in table 3.
Table 3 effluent quality
As can be seen from table 2 and table 3, biological reagent of the present invention is to the treatment effect excellent of the various pollutents in waste water.
Claims (9)
1. a biological reagent, is characterized in that: sprayed by solid phase spraying and liquid phase obtained by mixed atomizing reaction; The mass ratio of solid phase spraying and liquid phase spraying is 1:0.4-0.6; Described solid phase spraying is composite non-metal mineral A (patent No. 201310017703.0); Described liquid phase spraying comprises the component of following weight part: composite bacteria 5-15 part, nutrition agent 5-15 part, binding agent 0.05-0.15 part; Wherein, subtilis and the photosynthetic bacterium of described composite bacteria to be mass ratio be 1:4-6.
2. a kind of biological reagent according to claim 1, is characterized in that: described nutrition agent comprises the component of following weight part: yeast extract paste 0.05-0.1 part, extractum carnis 0-0.06 part, peptone 0.05-0.15 part, glucose 0.05-0.15 part, sodium-chlor 0.02-0.08 part, ammonium sulfate 0-0.05 part, magnesium sulfate heptahydrate 0-0.05 part, dipotassium hydrogen phosphate 0.05-0.15 part.
3. for the preparation of a mixed atomizing conversion unit for biological reagent according to claim 1, it is characterized in that: comprise liquid phase spraying plant (1), solid phase spraying plant (2), granulation district (3); Wherein, described liquid phase spraying plant (1) comprises the container for storing liquid (12), force (forcing) pump (13), time switch (14) and the fog-spray nozzle (15) that are connected successively by liquid-inlet pipe (11); Described solid phase spraying plant (2) comprises storage powder tank (21) and penetrates powder pump (27) by air compressor machine (14), air filter (25), relief valve (26) and Venturi that inlet pipe (23) connects successively, and described storage powder tank (21) and Venturi are penetrated powder pump (27) and be connected by powder inlet pipe (22); Described fog-spray nozzle (15) is located at granulation district (3) top, described Venturi is penetrated powder pump (27) and is located on granulation district (3) sidewall, and described granulation district (3) bottom is provided with whipping appts (31).
4. a kind of mixed atomizing conversion unit for the preparation of biological reagent according to claim 1 according to claim 4, is characterized in that: granulation district (3) are diameter 330-380mm, the right cylinder of high 1100-1400mm; Described powder inlet pipe (16) is located at granulation district (3) top.
5. a preparation method for biological reagent according to claim 1, is characterized in that: comprise the following steps: spray as raw material with solid spray and liquid phase, utilize the spray mixing conversion unit described in claim 3 or 4 to prepare half form biotechnological formulation.
6. the preparation method of biological reagent according to claim 5, is characterized in that: the parameter of adjustable spraying mix reaction equipment: liquid spray pressure 0.6-1.2MPa, the air pressure 0.1-0.3MPa needed for solid spray.
7. the preparation method of biological reagent according to claim 5, is characterized in that: controlling solid spray flow is 160-200g/min, liquid phase mist flow 80-100mL/min respectively, and powder mass flow is about 1.5-2.5:1 with liquid flow rate ratio.
8. biological reagent according to claim 1 application in the treatment of waste water.
9. apply as claimed in claim 8, it is characterized in that: the dosage of this biological reagent is 0.1-0.2g/50mL waste water, and processing reaction temperature is 30-40 DEG C, the reaction times is 3-4d, pH is 6-8.
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| CN201510243311.5A CN104845910A (en) | 2015-05-13 | 2015-05-13 | Biochemical reagent and preparation method and application thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110496486A (en) * | 2019-09-16 | 2019-11-26 | 山东鲁花集团有限公司 | A kind of purification method of fermented feed production tail gas |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101078003A (en) * | 2006-05-23 | 2007-11-28 | 上海创博生态工程有限公司 | Preparation for comprehensive treatment of cultivation water body by using multiple bacterial and manufacturing method thereof |
| CN103055804A (en) * | 2013-01-17 | 2013-04-24 | 河海大学 | Compound water treatment agent as well as preparation method and application thereof |
| CN203577805U (en) * | 2013-11-05 | 2014-05-07 | 河海大学 | Mixed reaction equipment |
-
2015
- 2015-05-13 CN CN201510243311.5A patent/CN104845910A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101078003A (en) * | 2006-05-23 | 2007-11-28 | 上海创博生态工程有限公司 | Preparation for comprehensive treatment of cultivation water body by using multiple bacterial and manufacturing method thereof |
| CN103055804A (en) * | 2013-01-17 | 2013-04-24 | 河海大学 | Compound water treatment agent as well as preparation method and application thereof |
| CN203577805U (en) * | 2013-11-05 | 2014-05-07 | 河海大学 | Mixed reaction equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110496486A (en) * | 2019-09-16 | 2019-11-26 | 山东鲁花集团有限公司 | A kind of purification method of fermented feed production tail gas |
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Application publication date: 20150819 |