CN102485672A - Method for processing organic wastewater with microbial activator - Google Patents
Method for processing organic wastewater with microbial activator Download PDFInfo
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- CN102485672A CN102485672A CN2010105850254A CN201010585025A CN102485672A CN 102485672 A CN102485672 A CN 102485672A CN 2010105850254 A CN2010105850254 A CN 2010105850254A CN 201010585025 A CN201010585025 A CN 201010585025A CN 102485672 A CN102485672 A CN 102485672A
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Abstract
The invention relates to a liquid microbial activator and a device for processing organic wastewater with the activator. The liquid microbial activator can form various strong microflorae for purification processing sewage or shit and urine, water drained from food works, and other organic wastewaters.
Description
Technical field
The present invention relates to the liquid microbe promoting agent and use the organic waste-water treating apparatus of this promoting agent, this liquid microbe promoting agent can form sewage, dung urine and the multiple powerful micropopulation that carries out purifying treatment from draining and other drained organic waters of food factories.
Background technology
Sewage or dung urine and other organic waste waters were being carried out in the microbiological treatment groove of purifying treatment in the past; The drained organic water treatment unit mainly utilizes two kinds of sociales bacteriums that organic waste water is carried out purifying treatment, and these two kinds of sociales bacteriums are two kinds of bacteriums that the settling bath anaerobically fermenting decomposes and the aerator tank aerobic fermentation decomposes.
Under the conventional operation state,, must remove a part of bacterium (active sludge) and make that MLSS concentration in the aerator tank is unlikely to become too high for the degree of purification that keeps final draining is that BOD is below the certain level.
The present invention provides a kind of method for processing organic wastewater that forms the means of the food chain system between bacterium or the planktonic organism and utilize these means; These means make the kind variation of the bacterium in the organic waste water that is present in the needs processing; Make it can decompose almost all organic chemicalss (BOD), need not remove the active sludge that generates because of the specific bacteria excessive multiplication simultaneously.
The existing sewage water treatment method that utilizes microbiological treatment; Has large-scale purifying treatment groove; After carrying out the decomposition of organism or ammonium etc. through mikrobe; In solid-liquid separation tank, be separated into solid substance and treating water, and then in coacervation treating device, treating water carried out aggegation and handle equal altitudes and handle, studying painstakingly and how the mud of a large amount of discharges is handled but present situation is people.For example, suggestion is made into fertilizer in the patent documentation 1, but does not need so big output at present.
And; In mikrobe organic waste-water treating apparatus in the past; If in solid-liquid separation tank, adopt the membrane sepn mode; Then there is following problem: because of causing the mesh of film, stops up fine solid shape branch (SS) contained in the draining, thus must often clean or exchange film, so ten minutes is loaded down with trivial details and cause cost to improve.On the other hand, in the solid-liquid separation tank of gravity settling mode, exist because of solid-liquid separation needs the time, so the draining treatment time is elongated, device itself becomes big problem.
In order to improve above-mentioned condition, proposed a kind of through specific bacterium is cultivated the method for carrying out wastewater treatment in waste water treatment tank as preferent species.For example put down in writing in the patent documentation 2, with to the high bacillus of the decomposition effect of organic waste water in culture tank through after adding pulverous Magnesium Silicate q-agent and breeding, deliver in the aerator tank, purify liquid waste thus.
In addition, in patent documentation 3, put down in writing with the photosynthetic bacterium that also can decompose organic pigment and carried out wastewater treatment, and after pointing out in culture tank, to make photosynthetic bacterium propagation, the high density BOD waste water to livestock products waste water and so in aerator tank is handled.
But; All there is following situation in the effect of the photosynthetic bacterium in bacillus in the patent documentation 2 or the patent documentation 3: when bacterium in culture tank keep on top during in bacterium breed; But be imported in the aerator tank when these bacterium, only createing above-mentioned that kind with the composition of waste water is quite difficult as the residual condition of sociales growth.Therefore essential a large amount of mentioned microorganism of cultivating drops into it in aerator tank, has the continuation of back along with running, the problem that decontamination effect improving goes down gradually of dropping in addition.Point out in the patent documentation 2: through add the microbial nutrition composition that has added inorganicss such as iron in the Si powder cultivated material in containing of the propagation that promotes bacillus; The environment that keeps bacillus to breed thus; But owing to be the cultivated material of powder; Reach powder excellent in efficiency ground in handling waste water and disperse, preyed on, need to drop into a large amount of cultivated material and need the time for days by mikrobe.
Therefore, promoting the unnecessary cultivated material and the breeding of specified microorganisms, must remove mud, the problem points of present activated sludge process, is how sludge treatment does not improve.
Patent documentation 1: the spy opens the 2004-33897 communique
Patent documentation 2: the spy opens the 2005-295887 communique
Patent documentation 3: the spy opens the 2000-126792 communique
Summary of the invention
Among the present invention; The necessary composition of propagation of mikrobe through will be also siliceous is dissolved in the sour solvent; Useful microbic activity agent can promptly be disperseed in carrying out the aerating wastewater groove of wastewater treatment, and because of this neccessary composition is ionized, so can promptly be absorbed by mikrobe; Useful mikrobe fully breeds in the aerating wastewater groove, and the fate that needs for a part that becomes sociales significantly shortens.
In addition; For decomposing, purifying organic waste water and need not get rid of the mud that produces because of the transition of specific bacteria breeding; The present invention provides a kind of liquid microbe promoting agent; This liquid microbe promoting agent can easily carry out the composition adjustment promptly through making micropopulation (bacterium planktonic organism) variation among the active sludge crowd make formation food chain system between the mikrobe; Thereby and this composition is ionized in microbe body and is absorbed easily, the present invention simultaneously also provide a kind of in this food linkwork the powerful method of decomposing organic waste water that purifies.
Through utilizing liquid microbe promoting agent of the present invention, even in existing organic waste-water treating apparatus, do not need to discharge that mud is cut down significantly or all discharge, also can reach and the equal or better decontamination effect improving of existing device.
In the treatment of Organic Wastewater of sewage etc., activated sludge process is widely used all the time.
At first in settling bath, make wastewater sedimentation; If throw out directly is placed on the settling bath bottom with this state; Anaerobic Bacteria becomes sociales naturally so; Contained nitrogen, sulphur or phosphorus compound composition during decomposing protein or grease divide is decomposed into ammonia or nitrate salt, hydrogen sulfide, phosphoric acid salt respectively.In addition; After the top waste liquid of settling bath is sent to the aerating wastewater groove; The aerobic mikrobe that residual glucide or other organic substances are decomposed, be that active sludge becomes sociales, organic waste water is purified decomposition up to being the degree of standard with the concentration of activated sludge.Yet; Because on the basis of the operating condition of routine and waste water composition; The micropopulation active sludge that becomes sociales is decomposed into carbonic acid gas and water with the organic composition in the waste water; And suck as nutrient in self the body and breed, so must be from Waste Water Treatment the part of active sludge be removed termly.The water ratio of the active sludge that this removes is high, then discharges stench if place, and therefore must carry out drying treatment or burn till processing, because this processing trouble and expensive, so all become problem all the time.
In order to solve above-mentioned problem; The present invention provides a kind of method for processing organic wastewater; This method is through giving and the microorganism active agent that can make multiple microbial reproduction; Multiple organic substance in the organic waste water is decomposed, purifies liquid waste, cultivate in multiple micropopulation simultaneously that the planktonic organism that eats up mikrobe in the food chain is used to avoid the mikrobe transition breeding of Yin Teding takes place and the situation that must remove mud.
Originally, the most mikrobe of occurring in nature was more or less with certain form, existed in certain ratio.According to its temperature, pH, nutrient, oxygen amount that has environment, determine which kind of mikrobe to become sociales or exist with certain proportion.
Generally speaking; In sewage; The minimum bacterium bacterium (bacteria) of cell tissue, for single celled protozoon rice crust (Ameba), lamblia, line caterpillar, worms on a sucker, for the Spongia of the cellulous small-sized metazoan class that crust is provided and the algae of plant class etc. are main mikrobe, bacillus of bacterium class (Bacillus Cohn) or photosynthetic bacterium also exist with minority.In the living environment that sewage and waste water is only arranged, bacillus or photosynthetic bacterium can not exist with sociales.
The above-mentioned micropopulation that is called active sludge is compared with the mikrobe of small-sized bacillus; A little less than organic resolving power; Compare and organism is decomposed into carbonic acid gas and water more often can uses as the nutrition agent of self-reproduction; Though therefore waste water correspondingly is cleaned, and in the propagation of mikrobe, forms mud, is discharged from superfluously.
In order to address the above problem; At first except that the existing micropopulation that is called active sludge; Also to increase the stronger bacillus of the decomposing force of organic substance or the ratio of photosynthetic bacterium; And must cultivate the animality planktonic organism with certain proportion, this animality planktonic organism can eat up as food compare the bigger mikrobe of ratio that oneself breeds with decomposing organic matter.For making this micropopulation of appending become preferent species; Necessary nutritive ingredient is supplied in the purification tank with Ionized state; Adjust with environment such as aeration air quantity, pH, temperature thus, it is big and remaining active sludge is not discharged fully or the treatment of Organic Wastewater of discharging hardly so just can to realize purifying resolving power.
For example, the bacterium of known genus bacillus family is strong to grease-contained multiple organic decomposing, purifying ability.(referring to patent documentation 1)
In addition, pointed out that also the existence of silicon-dioxide or mg ion is effective for the formation of gemma when cultivating bacillus.As the zeyssatite that contains silicon-dioxide and calcium in a large number that the public thought by ancient times mikrobe such as submarine algae or planktonic organism after death pile up and form material forms, essential certain inorganic components is also by the public knew in the films of mikrobe etc.
In addition, in photosynthetic bacterium, rhodobacterium arranged as the mikrobe that organic cpds is had strong resolving power is also known.Wherein have and absorb the rhodobacterium that sulphur is cultivated; If contain the foodstuff residue organism of animal protein class in the waste water; Then rhodobacterium to a certain extent also can natural propagation; But be in the waste water of staple generally, then almost can not grow at sewage or glucide type organic.
In addition; Except to the strong mikrobe of the organism resolving power in the waste water; Breed and the essential situation of getting rid of active sludge for fear of the mikrobe transition that Yin Teding takes place, also need in microorganism system, be positioned at the vertical mikrobe of food chain like metazoan or animality planktonic organism and so on.The animality planktonic organism of this type is generally the many cells form and has the crust that is made up of calcium or silicon.Therefore, for making metazoan propagation, the inorganic nutritive element of silicon or calcium and so on also is necessary.
The method that the present invention provides a kind of powerful ground purification of organic waste water with and the microorganism active agent; This method is mainly to be supplied with inorganic components with the form of the easy ionize liquid that absorbs in the microbe body; Thereby in the aerating wastewater groove, make this useful micropopulation become powerful ground of the part purification of organic waste water of preferent species thus; Said inorganic components is micropopulation breeding and the necessary staple that the organic composition material is had stronger resolving power in order to make, but inadequate in the composition in waste water.
In addition; Useful microorganism active agent of the present invention is that the necessary inorganics of microbial reproduction is dissolved in the material that absorbs easily in the microbe body that forms in the sour solvent; Heat-treat under the temperature below the fusing point of compound through the mineral compound that will contain this type inorganic components in addition; With the compound upgrading is Powdered, makes it be prone to be dissolved in the sour solvent.
In addition, in the useful microorganism active agent of the present invention, said inorganics be with Wingdale, clay, zeolite etc. mainly contain silicon compound and calcium cpd, the material that also contains the small amount of magnesium compound makes as raw material.In addition,, be dissolved in easily in the acid, preferably heat-treat in its temperature (800-1200 ℃ scope) below heat fusion joint in order to make this type inorganics in order to make the microorganism active agent of the liquid that as often as possible contains inorganic components.Through heat-treating, contain crystal water or the inorganics that exists with the carbonate compound form discharges crystal water or carbonic acid gas, become Powderedly thus, become the material that is dissolved in easily in the sour solvent.
If this thermal treatment is carried out in the above temperature of the heat fusion joint of the material of siliceous and calcium, then become glassyly, solvability reduces, and therefore preferably carries out in the following temperature of heat fusion joint of the material of siliceous and calcium.
In order to save this heat treated operation, the material of one or more in the cement that the operation that also can select process and thermal treatment to be equal to obtains, the intermediate product of cement, blast-furnace slag and the coal burning ash.
For raw material; Except the mineral compound thermal treatment of ore class is used, can also make silicon, calcium, iron, magnesium and their mineral compound separately for example commercially available powder such as water glass (water glass), unslaked lime (quicklime), iron protochloride, sal epsom or liquid substance dissolves in sour solvent.If contain the compound of the necessary inorganic components of useful microbial growth, it easily is dissolved in the sour solvent, become and can adjust composition, aqueous, Ionized inorganic microorganism active agent significantly.
In addition, in the useful microorganism active agent of the present invention, above-mentioned sour solvent is to be selected from a kind of in sulfuric acid, hydrochloric acid or the nitric acid, and what particularly point out is, hydrochloric acid is high to the solvability of calcium, in the time become calcium chloride (CaCl
2), can generate the microorganism active agent of safety non-toxic, be favourable.
In addition, in the useful microorganism active agent of the present invention, above-mentioned sour solvent is to contain the material that is selected from one or more gel inhibitors in acetate, ammonium acetate, the ammonium chloride.
In addition, organic acids such as acetate are the perfect matrix of rhodobacterium, therefore, and further useful mikrobe such as sensitization rhodobacterium.
Drained organic water treatment process of the present invention adopts a kind of drained organic water treatment unit; This drained organic water treatment unit has and utilizes useful mikrobe and microorganism active agent to come the aerating wastewater groove of purification of organic waste water, and this drained organic water treatment unit constitutes by the sludge settling groove of handling with anerobe with the aerating wastewater groove that the aerobic mikrobe is handled.Even when handling, only using the also accessible waste water composition of aerobic mikrobe without anerobe; Can omit the sludge settling groove; Or the sludge settling groove is set in the bottom of aerator tank, and be blown into air through top from this settling bath, can make the waste water purification device miniaturized thus.
Draining through the aerator tank processing; Be formed with the state of the organic composition of the ionization state that dissolves in mikrobe or minuteness particle as nutrition absorption digestion; Therefore; Only remove the micropopulation active sludge into solids constituent, the treating water that can be fully purified through various filter membranes such as UF film, flat film, empty cortina direct filtration.In order further to improve degree of purification, filter after also can the organic cpds of oligodynamical being made its flocculation with condensing agent.
And then can also set up like lower device; Its structure is: wriggling up and down is provided with the drainage channel of discharging from the treating water of aerating wastewater groove; And make the upwards stream portion of above-mentioned drainage channel form narrow, through said structure, the treating water that upwards flows through drainage channel is when flowing through narrow; Contained mud is detained before narrow and precipitates in the treating water; Mainly only make water pass through narrow, thus can separated sludge when making treating water whenever through narrow, can be with the mud of not removing through aerating wastewater groove purifying treatment simple and easy and promptly separate.According to solid-liquid separation degree or flow; Can change the degree of tightening up of narrow area; Perhaps flow to a plurality of equipment for separating liquid from solid are set side by side or vertically with draining, through this equipment for separating liquid from solid is set, can with settling bath or filtration unit omits or with its miniaturized significantly.
In addition, adopt the draining from aerator tank of drained organic water disposal methods of the present invention, utilize the purification resolution of useful mikrobe to improve, thereby the composition of fine solid particles almost disappears or flocculates in the micropopulation active sludge.Its result, the filtering membrane in aerator tank downstream hardly can be blocked, carries out simple backwash cycles, can reduce the conservative exchange of filtering membrane significantly.
The active sludge of the solids constituent of separating and filtering in the settling bath in aerator tank downstream or filtering membrane or the above-mentioned equipment for separating liquid from solid; In the settling bath that is re-circulated to aerator tank or leading portion; Can be used as the nutrient of useful mikrobe or, can get rid of the continuous operation that active sludge gets final product the maintenance system monolithic stability as essential inorganics use.
Composition according to the waste water of handling; Improper because of input amount of operating condition or microbic activity agent etc.; Possibly produce the residual mud of not removing through aerating wastewater groove purifying treatment; But the amount of being somebody's turn to do is more considerably less with traditional activated sludge process, can reduce the transportation or the processing costs of mud significantly.
Description of drawings
Fig. 1 is the pie graph of an embodiment of expression drained organic water treatment unit of the present invention.
Fig. 2 is the plane pie graph of other embodiment of expression drained organic water treatment unit of the present invention.
Fig. 3 is the plane pie graph of other embodiment of expression drained organic water treatment unit of the present invention.
Nomenclature
1 former tank
2 settling baths
3 aerating wastewater grooves
4 drainage channels
The 4a stream portion that makes progress
The downward stream of 4b portion
4c upside return portion
4d downside return portion
5 flat film grooves
6 mud dischargers
10 drain treatment apparatus
11 aerating apparatuss
12 hydraulic pipes
13 vent pipes
21 filtering membranes
22 hydraulic pipes
31 aerating apparatuss
41 narrow
42 change section
43 water transport ports
44 relief outlets
45 mud vent pipes
46 valves
51 aerating apparatuss
52 let-down vessels
53 hydraulic pipes
54 backwash hydraulic pipes
61 mud are carried the road
62 spiral stirrers
63 motors
64 mud vent pipes
65 valves
Embodiment
Based on the embodiment that accompanying drawing is represented, the mode that the present invention implements is described.
Among the embodiment shown in Figure 1, wastewater treatment equipment 10 is by constituting with the lower section: aerating wastewater groove 3 (the about 1.2m that utilizes useful mikrobe and microorganism active agent that organic wastewater purifying is handled
3); From this aerating wastewater groove 3 discharge treating water and through be provided with halfway narrow can be from treating water the drainage channel 4 of separated sludge; Finally treating water is carried out filtering flat film groove 5 (about 0.8m
3) and microorganism active agent input groove 2 (about 0.2m
3).
The upwards treating water of the 4a of stream portion of flowing through, through narrow 41 time, the change section 42 that arrives the vary in diameter of drainage channel 4 produces overcurrents, contained mud in the separating treatment water.Thereby separated mud was detained deposition gradually before narrow 41, mainly only make water pass through narrow 41, and therefore, treating water can be separated mud during whenever through narrow 41.Narrow 41 also can only be formed among the 4a of stream portion that makes progress, but through also forming narrow among the 4b of stream portion downwards, can prevent that isolating mud from flying upward upruss.
Through the flow velocity that makes drainage channel is below the per second 0.5m; Be preferably per second 0.1-0.4m; Be below 60% of flow velocity of drainage channel in addition through the flow velocity that makes narrow; Be preferably 40-50%, can in the waste water that aeration is handled, residual solids crowd (MLSS) separate with the efficient liquid rate ground that warp purifies.Among the embodiment, narrow 41 is that the plastic pipe of 50mm forms by diameter, and the drainage channel 4 of other parts is that the synthetic resin pipe of 100mm forms (sectional area of narrow be drainage channel sectional area 25%) by diameter.
The upside return portion 4c of drainage channel 4 is arranged on the position lower than water transport port 43, forms the structure of utilizing hydraulic pressure easily treating water to be discharged from draining treatment trough 3, above-mentioned water transport port 43 from draining treatment trough 3 to drainage channel 4 transport process water.In addition, drainage channel 4 to be being provided with repeatedly sinuously, and a plurality of upside return portion 4c are set make its position 44 sides reduce successively from water transport port 43 to relief outlet.Through making drainage channel 4 form as above structure, can slow down because of drainage channel wriggles the resistance of water drainage that is caused is set, thereby easily discharge treating water from the draining treatment trough.
As shown in Figure 1, at the downside return portion 4d place of drainage channel 4, be provided with the discharge structure 6 that residual mud is discharged.The mud that mud discharge structure 6 is equipped with screw 62 by inside is carried the motor 63 of road 61, drive screw 62 and is carried the mud vent pipe 64 of the residual mud discharge of road 61 conveyings to constitute in mud.
Each downside return portion 4d at drainage channel 4 is provided with mud vent pipe 45 respectively, can the residual mud that be deposited among the downside return portion 4d be discharged in the mud discharge structure 6.Mud discharge structure 6 gets into the mud the mud conveying road 61 through being carried by motor 63 drive screw 62 from mud vent pipe 45, thereby it is discharged from mud vent pipe 64. Valve 46,65 is set respectively in the mud vent pipe 45,64, when drive screw 62, valve 46,65 is opened, mud is discharged.
To send back to draining treatment trough 3 or the regulating groove from the residual mud that mud discharge structure 6 is discharged, carry out purifying treatment by useful mikrobe.
Among the embodiment, as dominant bacteria, photosynthetic bacterium adopts the mixture that is mixed with rhodobacterium to useful mikrobe with the Bacillus bacterium, and this rhodobacterium is mainly can be at the red non-Laetiporus sulphureus (Bull. Ex Fr.) Bond. Et Singer. of activatory under the aerobic environment.
As the kind of adducible Bacillus bacterium or as the known Bacillus bacterium that obtains easily; Can enumerate the subtilis (B that exists usually in the soil; Subtillis), B; Thurngiensis, B, Pumilus, B, Megaterium or as the known lactic acid Bacillus of milk-acid bacteria bacterium etc.
As the example of known rhodobacterium, can the red bacterium of type of enumerating ball (Rhodobacter sphaeroides), the red bacterium of pod membrane (Rhodobacter capsulatus), Crimson rhodospirillum (Rhodospirillum rubrum), Rhodopseudomonas palustris (Rhodopseudomonas palustris), the outer sulphur rhodospirillum (Ectothiorhodospira shaposhnikovii (Ectothiorhodospira vacuolata)) of vesica, the outer sulphur rhodospirillum (Ectothiorhodospira mobilis) of telemechanical, have a liking for the outer sulphur rhodospirillum (Ectothiorhodospira halophila) of salt.
Wherein, Bacillus bacterium, rhodobacterium all are not limited to the above kind of enumerating; So long as compare the stronger bacterial classification of ability that makes organism be decomposed into carbonic acid gas and water and get final product with self propagation; Also can contain more than one above-mentioned mikrobes of enumerating, perhaps also can be multiple mixture.
Bacillus mainly carries out activation through silicon ion; And help organic decomposition such as protein, starch, grease or ammonia; Photosynthetic bacterium is specially liked to cut grease or organism such as starch, also can decompose the hydrogen sulfide of foul smell root or ammonia etc. and eliminate stench.
In an embodiment; The material that the microorganism active agent obtains below adopting: the silicon-containing material Yi Wu portion carclazyte (originating from the Okinawa Prefecture) that will contain the composition shown in the table 1 is pulverized to after below the particle diameter 1mm; Add lime carbonate and heat-treat as calcareous material, with the substance dissolves after handling in sour solvent Hydrogen chloride.
The composition (weight %) of table 1 Yi Wu portion carclazyte
| Composition, % | SiO 2 | Al 2O 3 | Fe 2O 3 | TiO 2 | CaO | MgO | K 2O | Na 2O |
| Yi Wu portion carclazyte | 72.5 | 16.9 | 0.39 | 0.31 | 0.83 | 0.22 | 2.74 | 1.81 |
Under 900 ℃ of the temperature of fusing point below 1300 ℃ of silicon oxide, heat-treat.
In an embodiment, as sour solvent, adopt with concentrated hydrochloric acid (33%, HCl) be diluted to 5 times 6.6% Hydrogen chloride.With respect to silicon-containing material (Yi Wu portion carclazyte) 1000g through above-mentioned heat treated powder; 50L Hydrogen chloride is added in the 100L container; Remain on 20 ℃ with indoor; Carry out continuously stirring with container top mount type ribbon blender, after dissolving fully with about silicon-containing material that made powder in 10 hours, add ferrous sulfate 50g, Natural manganese dioxide 25g processes the liquid microbe promoting agent.
In addition, add acetate (C in the sour solvent as the gelation suppressor factor
2H
4O
2).Through in sour solvent, containing acetate (C as the gelation suppressor factor
2H
4O
2), under the pH of acetate shock absorption and colloidal sol, the constringent effect of colloidal, the dripping quantity through adjustment acetate can suppress the gelation of silicon sol, also can not separate out inorganic components even preserve more than 6 months.
Handle waste water and adopted draining from hand-pulled noodles cooking shop.Contain lubricant components such as a large amount of lards in this draining or boil the starch based and the protein components such as sauce or pig bone made soup of face etc., the very high 7000mg/L that is about of BOD value.
Be full of waste water treatment tank 3 with above-mentioned waste water; At first; With respect to capacity of wastewater with of useful mikrobe, the microorganism active agent of following ratio input as bacterial classification; Use flat membrane filtration treating water until BOD as 10ppm below, will be recycled to through filtering treating water and need not be discharged in the aerator tank outside the wastewater treatment equipment, as above carry out the initial stage running.
The amount of initial useful mikrobe of dropping into and microorganism active agent is following:
Bacillus: with respect to the treating water 1m in the aerator tank
3, the stoste 1L that cultivates in the tank;
Red non-Laetiporus sulphureus (Bull. Ex Fr.) Bond. Et Singer.: with respect to the treating water 1m in the aerator tank
3, the stoste 1L that cultivates in the tank;
Microorganism active agent: be 1/1000th of the processing water yield in the aerator tank.
In an embodiment, in bacillus, photosynthetic bacterium about respectively 200 liters glass tank separately, store 6 one-tenth tap water, place sloughed chlorine in 2 days after; The bacterial classification of bacillus is dropped in the tank; Bacterial classification with photosynthetic bacterium drops in another tank in addition, and special prepared culture is dropped into 10 liters respectively in each groove, and the temperature of keeping whole tank is 23-28 ℃ of while; Feeding tropical fish raises with in the air generator; Under the state of bubbling air in tank, drop into about 2 every day and go up and state nutrient solution, can in whole tank, fully breed bacterium through about 1 time-of-week.
The composition of above-mentioned special prepared culture is as follows in an embodiment, but is not limited to this.
The material that drops in every 10L tap water:
1) acetate (99% vinegar) 6cc
2) ethanol (100%) 5cc
3) salt (evaporation of seawater salt is obtained) 2g
4) oligose 7cc
5) tartrate (powder) 1g
6) lactic acid (sour milk) 2cc
7) the microorganism active agent of putting down in writing in this specification sheets of liquid microbe promoting agent 10cc)
, BOD carries out draining when being lower than 10ppm through filtering treating water; Begin gently to add the former water of waste water simultaneously; Also add constantly micro-microorganism active agent (for flow into to handle waste water 1/10000th); The Sorensen value of keeping simultaneously in the aerator tank is that pH7.5, activated sludge concentration (MLSS) are more than the 2000mg/L, under this state, to turn round.
Finally under steady state; After initial useful mikrobe of input and microorganism active agent, only can obtain good result in 14 days; Promptly; 1 day treatment capacity is about 500L, and the Sorensen value of keeping in the aerator tank is that pH7.5-8.0, activated sludge concentration (MLSS) are that the BOD of draining is that 0.7-3ppm, SS concentration are 1mg/L more than the 3000mg/L.
Among the embodiment 2, adopted portland cement in the raw material of useful microorganism active agent.
The composition of this cement is as shown in table 2, contains quicklime more than 60%, and silicon oxide is more than 20%, and red stone is more than 2.5%, and Natural manganese dioxide is about more than 1%.
Table 2: the representative composition of normal portland cement (
* *Select from handbook)
| SiO 2 | Al 2O 3 | Fe 2O 3 | CaO | MgO | SO 3 | |
| Minimum weight % | 21.4 | 4.6 | 2.5 | 63.0 | 0.8 | 1.7 |
| Maximum weight % | 22.6 | 5.7 | 3.3 | 64.7 | 2.7 | 2.4 |
With respect to this cement 30g, 1 liter in 6.6% Hydrogen chloride of preparing among the adding embodiment 1 with about 20 ℃ of indoor maintenance, stirred 10 hours, and gained solution is used filter paper filtering, removed undissolved solid particulate.The solid particulate of removing has the 25g inorganic components to be dissolved in the sour solvent with respect to the cement 30g that the drops into 5g that has an appointment.And then, process the microorganism active agent with respect to 1L solution interpolation 1g ferrous sulfate.
With this microorganism active agent, adopt the wastewater treatment equipment that uses among the embodiment 1, adopt the operation same with embodiment 1, the fecaluria draining (BOD is 5800mg/L) from privy is handled.
Use in the aerator tank useful mikrobe carry out priorization, draining BOD be 10 below with 8 days, after this wastewater flow rate is increased gradually, finally, can realize steady running through 16 days from bringing into operation, that is, can handle about 3m every day
3The fecaluria draining, making draining BOD is below the 2mg/L.
Claims (10)
1. method for processing organic wastewater; The device that this method is used comprises aerating wastewater groove and mud tripping device; Said aerating wastewater groove adopts useful mikrobe and liquid microbe promoting agent to carry out purifying treatment to containing organic organic waste water; Said liquid microbe promoting agent can be dissolved in the inorganic components of the said useful mikrobe of activation and make mikrobe be easy to absorb in the sour solvent, and said mud tripping device can be isolated mud and mud is recycled in the aerator tank from the draining of handling through aerator tank.
2. method for processing organic wastewater as claimed in claim 1, wherein, said useful mikrobe is on the basis of existing active sludge, to mix bacillus and photosynthetic bacterium and the mixture that forms.
3. according to claim 1 or claim 2 method for processing organic wastewater; Wherein, Said microorganism active agent is that siliceous solute is dissolved in the liquid microbe promoting agent that carries out in the sour solvent adding the gelation suppressor factor after the ionize and form, and said siliceous solute is heat-treated the mixed following temperature of heat fusion joint that is incorporated in silicon-containing material of silicon-containing material and alkaline matter and obtained.
4. method for processing organic wastewater as claimed in claim 3, wherein, said alkaline matter is to be made up of lime carbonate.
5. method for processing organic wastewater as claimed in claim 3, wherein, said alkaline matter is to be made up of Wingdale calciferous.
6. like the arbitrary described method for processing organic wastewater of claim 3-5, wherein, said silicon-containing material contains magnesium or magnesium compound.
7. like the arbitrary described method for processing organic wastewater of claim 3-6, wherein, said siliceous solute is that the intermediate product, blast-furnace slag and the coal that are selected from cement, cement burns one or more the material in the ash.
8. like the arbitrary described method for processing organic wastewater of claim 3-7, wherein, said sour solvent is a Hydrogen chloride.
9. like the arbitrary described method for processing organic wastewater of claim 3-8, wherein, said gelation suppressor factor is to contain one or more the material that is selected from acetate, ammonium acetate and the ammonium chloride.
10. like the arbitrary described method for processing organic wastewater of claim 1-9; Wherein, Be provided with the drainage channel of discharging treating water from the aerating wastewater groove in the said mud tripping device sinuously up and down; Upwards stream portion at said drainage channel forms narrow, is provided with the mud discharger of discharge mud in the downside return portion of said drainage channel.
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| CN113136351A (en) * | 2021-04-25 | 2021-07-20 | 重庆融极浩瀚生物技术有限公司 | Composite microbial flocculant and preparation method and application thereof |
| CN113443697A (en) * | 2021-07-09 | 2021-09-28 | 哈尔滨工业大学 | Continuous flow device for catalyzing ozone oxidation by multistage membrane module |
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