CN1572729A - Microbe decomposition treatment method for waste water and mixing apparatus for waste water treatment agent - Google Patents

Microbe decomposition treatment method for waste water and mixing apparatus for waste water treatment agent Download PDF

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Publication number
CN1572729A
CN1572729A CNA2004100321225A CN200410032122A CN1572729A CN 1572729 A CN1572729 A CN 1572729A CN A2004100321225 A CNA2004100321225 A CN A2004100321225A CN 200410032122 A CN200410032122 A CN 200410032122A CN 1572729 A CN1572729 A CN 1572729A
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China
Prior art keywords
water
waste water
mineral substance
container
substance particle
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CNA2004100321225A
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Chinese (zh)
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CN1289410C (en
Inventor
吉村文彦
东原吉伸
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Tenyoshi Giken K K
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Tenyoshi Giken K K
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/02Aerobic processes
    • C02F3/06Aerobic processes using submerged filters
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/02Odour removal or prevention of malodour
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage

Abstract

In an apparatus for mixing a waste water treating agent, a deposition layer of mineral particles 3 which contain aluminum oxide and have around 10 mm diameter is formed below the standard water surface of a stainless steel-made vessel 2 to which a city water pipeline 1 is connected. An air diffusing member 5 is arranged below the deposition layer via a water-permeating partition table 4 consisting of a punched metal plate between them. A pipe 14 of supplying the compressed air forcibly-sent from an air pump 12 is connected to the member 5. When the mineral particles 3 are vibrated by an air bubble stream emitted from the air diffusing member 5 into the water, each of the particles 3 is broken into pieces by mutual friction to yield a powdery treating agent. A treating agent-mixing pipeline 6 is provided for supplying the powdery treating agent-dispersed water to the water to be treated outside the vessel.

Description

The microbiological degradation treatment process of waste water and waste water conditioner sneak into device
Technical field
The present invention relates to sanitary wastewater, trade effluent and other waste water that contains grease etc. undertaken by microbiological degradation purifying treatment waste water the microbiological degradation treatment process and be used for this method waste water conditioner sneak into device.
Background technology
Usually, having sneaked into various organism such as grease, protein, starch, tensio-active agent in waste water such as sanitary wastewater or trade effluent, is return to the nature circle after these purifications of waste water the major issue of keeping human habitat therefore.
Usually, when processing contains the sanitary wastewater of grease etc. or industrial water drainage, at first taking place near the facility of source sewage storage tank or oil strain fat device (grease trap) to be set, and then filtration, precipitation, physico-chemical purification are set in the sewage-farm of finally handling etc. handle the facility of usefulness, and the biology purification processing facility is set.
Be set at waste water source neighbouring sewage storage tank or oil strain fat device take place, prevent that solids or grease from flowing in the plumbing drain, also play deodorant function to a certain degree, if delays such as grease are arranged in described sewage storage tank or oil strain fat device, its processing power can reduce, and retentate can go bad when anaerobic state is placed, and react withs such as hydrogen sulfide, amine, ammonia can produce cacodorous sulfurous gas etc.
For fear of such situation takes place, adopt following maintaining method usually, that is, make the grease etc. of delay floating or be deposited in the upper strata or the lower floor of sewage storage tank or oil strain fat device, again with its separation, regularly get groove and handle outward.
In addition, having used the treatment process of suitable microorganism for purification of waste water has, to become the aerobic microorganism of decomposing organic matter of foul smell or dirty reason or anerobe carries and is held in porous and cultivates on the matrix, cultivate under the state of micropopulation breeding useful on the matrix at these, make the waste water contact, filter, waste water is carried out purifying treatment.
For example known, when handling greasy waste water such as containing animal raw fat by microbiological degradation, mineral sheets such as the aluminum ion of interpolation lower concentration and zeolite prevent the generation of rotten foul smell, carry out the method (with reference to patent documentation 1) that microbiological degradation is handled
[patent documentation 1]
No. 3267459 communique of patent (claims, 0049 section)
But, the microbiological degradation treatment process of above-mentioned waste water in the past, need in sewage treatment tank, sneak into the aluminum ion of specific concentrations, in next treatment trough, sneak into mineral sheets such as zeolite, and then need detect aluminum ions concentration, adjust processing power, need take time the working order of sewage treatment tank is carried out detailed management, especially because of supplying with an amount of aluminum ion or centralized management microorganism automatically and continuously, so be difficult to move with small-scale device.
Have following problem in the microbiological degradation treatment process of common waste water such as activated sludge process, that is, regularly management such as the microorganism matrix of supply specified quantitative, water concentration adjustment are numerous and diverse.
In addition, in the aluminum ions microbiological degradation treatment process of supply in the past, from the anaerobic state water channel that arrives the sewage storage tank stench taking place, perhaps produces storess such as stench or waste oil easily in water channel, thereby have the problem that can not carry out sewage disposal under very clean state.
Summary of the invention
Therefore, problem of the present invention is to address the above problem, purpose is to provide a kind of can eliminate stench easily from the plumbing drain that is in anaerobic state that arrives the sewage storage tank, can not produce storess such as stench or waste oil in plumbing drain, can carry out the microbiological degradation treatment process of the waste water of sewage disposal under the state that fully cleans, and the device that is used for the better simply Miniaturizable of structure of this method.
In addition, simple as the operation that another object of the present invention is to provide a kind of microorganism matrix of in waste water, supplying with specified quantitative, adjusts concentration, the management of microbiological treatment is not taken time and energy, can be with the microbiological degradation treatment process of the waste water of low cost movement and the device that is used for this method.
In order to solve above-mentioned problem, in the microbiological degradation treatment process of waste water of the present invention, a large amount of mineral substance particles that contains aluminium hydroxide is housed in the container in contacted mode between the adjacent particles, make these mineral substance particles carry out physical vibration and make and rub between the mineral substance particle, and the abrasion powder that generates is discharged to the waste water from described internal tank, and in water, supply with aluminum ion by the described abrasion powder that supplies to this waste water, be that carrier makes organism trophicity microorganism proliferation of high-density with described wearing and tearing powder simultaneously.
The microbiological degradation treatment process of the waste water of the present invention of Gou Chenging as described above, if a large amount of mineral substance particles are housed in the container in the mode that is in contact with one another between the adjacent particles, and make these mineral substance particles carry out physical vibration with known method, then phase mutual friction between the particle surface, surface abrasion generates its wearing and tearing powder.
The wearing and tearing powder that generates is the mineral substance that contains aluminium hydroxide, is dispersed in the water that offers in the container as hydrated alumina or its salt (aluminate), and perhaps one is partly dissolved, and Xiang Shuizhong provides aluminum ion.
Aluminum ion is suppressed at the propagation that malodorous micropopulation etc. is taken place in the decomposition course of the water that contains organic composition as can be known, and the micropopulation propagation that optionally makes and form the malodorous phenols of absorption, decomposes odor pollutant, in water, supply with useful aluminum ions non-water-soluble mineral substance like this, for a large amount of microorganisms of grease and other organism trophicity can adhere to the carrier of existence, with this carrier is nuclear, form microbe colony, form huge biofilm.
As the micropopulation that the mineral substance wearing and tearing powder that contains aluminium hydroxide is bred as carrier, known is the microorganism of grease and other organism trophicity, particularly, as grease trophicity microorganism, the typical example of easy dominant bacterial classification can exemplify Achromobacter xylosoxidans etc.
In the water that makes the mineral substance particle like this in container, carry out physical vibration, when supplying with microbe carrier by the wearing and tearing between the mineral substance particle, only just the constant feed speed can be provided, the microbe carrier of time per unit aequum can be in waste water, supplied with easily by the intensity of adjustment physical vibration and the feed rate of water.
Supply has the waste water of mineral substance wearing and tearing powder to become to comprise the high microorganism of the greasy organism resolution environment of a large amount of propagation easily, and for example in the waste water pipeline or delay place easily such as oil strain fat device, greasy microbiological degradation is active to carry out.
Therefore, the microbiological degradation treatment process of waste water of the present invention is, in plumbing drain, can not produce storess such as stench or waste oil, can be in the microbiological degradation treatment process that keeps carrying out under the fully clean hygienic condition waste water of sewage disposal.
In addition, treatment process in the microbiological degradation treatment process of above-mentioned waste water of the present invention below preferred the employing, that is, the waterside is supplied with on the limit in container makes the mineral substance particle carry out physical vibration, and, sneak in the processed waste water wearing and tearing powder that generates and together taking-up from container of water.
In container, supply with the waterside as if the limit and vibrate,, thereby form homodisperse or dissolving and easy after generating with the state of certain concentration from the container taking-up then owing to the wearing and tearing powder that generates is sneaked in the water at once.
In addition, in order to solve above-mentioned problem, the device of sneaking into as adoptable waste water conditioner, can adopt be provided with treatment agent as described below sneak into pipeline waste water conditioner sneak into device, promptly, the accumulation horizon of the mineral substance particle that contains aluminium hydroxide is set below the water surface in the container on the supply road that has connected water, the gas parts that loose are set below this accumulation horizon, connect compressed-air actuated supply road at these diffusing gas parts, and utilize when described diffusing gas parts are released to bubble flow the water mineral substance is vibrated, will disperse by the outer processed water of the water supply container of the powdery treatment agent that friction produced between the mineral substance particle.
Above-mentioned formation sneak into device, when diffusing gas parts are supplied with pressurized air, the accumulation horizon that passes the mineral substance particle that contains aluminium hydroxide from the below upward generates bubble flow, and the mineral substance particle is vibrated in the water in container.
Thus, generation is by the homodisperse water of powdery treatment agent that friction produced between the mineral substance particle, and, can make processed water become the environment of the easy selective proliferative of microorganism of grease and other organism trophicity by with the processed water of this water outside treatment agent is sneaked into the pipeline supply container.
Description of drawings
Fig. 1 removes the stereographic map that container is represented the treatment unit embodiment.
Fig. 2 is the vertical view of configuration status of pipeline of the embodiment of expression treatment unit.
Among the figure: 1-water lines, 2-container, 3-mineral substance particle, 4-be every platform, the 5-gas parts that loose, and the 6-treatment agent is sneaked into pipeline, 7-float, 8, the 11-magnetic valve, 9-water port, 10-next door, 12-air pump, 13-timer, 14-supply-pipe.
Embodiment
The microbiological degradation treatment process of the waste water of embodiments of the present invention, it is the microbiological degradation treatment process of waste water as described below, promptly, preparation is burnt till the clay that contains aluminium hydroxide and the mineral substance particle of the specified particle diameter that gets, and in a large number be housed in container in contacted mode between the adjacent particles it, utilization is followed the bubble flow that aeration (aeration) produces etc. to make these mineral substance particle physicses vibrations and is made and rub between the mineral substance particle, and the wearing and tearing powder that will generate is discharged to the waste water in described container, in this waste water, supply with the aluminum ion that produces by described wearing and tearing powder, make grease and other organism trophicity microbial growths with described wearing and tearing powder as carrier simultaneously.
The mineral substance particle that is used for the present invention burns till the clay that contains aluminium hydroxide and the mineral substance particle of the specified particle diameter that gets as adopting, but for example also can enumerate clay minerals such as pelyte, zeolite, float stone.Can enumerate main component especially and be silicic acid (for example about 45%) and humic acid and contain the clay class mineral (about pH2~3) of Trace Aluminum compound.As the size of particle, be the particle of 10~13mm if adopt maximum diameter, then the vibration of particle in water is good, so preferred.
Such mineral substance particle can also be with powdery or the compression molding of sand shape clay class mineral except the clay mineral of natural output, and 340~380 ℃, preferred about 340~350 ℃ to it burns till or sintering forms ceramic body.Particularly, the porous mineral plasmid of float stone and so on is owing to generating the wearing and tearing powder effectively, so preferred.
For the aluminium ion concentration that provides in the feedwater, it is 0.1~0.5mM that the composition of preferably adjusting the mineral substance particle makes described aluminium ion concentration, is preferably 0.1~0.2mM.This be because: if aluminium ion concentration is less than 0.1mM, then be difficult to optionally improve the propagation of the microorganism that suppresses rotten foul smell, can see microorganism by the particulate that aluminium hydroxide surrounded at microscopically, but in water, can not agglomerate to sedimentary degree, and be difficult to physically separate microorganism.And if surpass 0.5mM, even then supply with the aluminum ion of high density, the rate of propagation that suppresses the microorganism of rotten foul smell can not change, and just increases the useless abrasion loss of mineral substance particle on the contrary, so not good.
That is, if supply with the wearing and tearing powder of mineral substance particle and the aluminum ion of specific concentrations simultaneously in water, grease trophicity microorganism surrounds wearing and tearing powder propagation, forms the particle that the aluminium hydroxide film coats its outside, and the sedimentation in waste water of this particle, separation are handled easily.
Make the method for mineral substance particle physics vibration,, perhaps utilize sound wave or ultrasonic wave etc. to make it vibration except making the bubble contact by, the method that makes it to vibrate, can also use motor or electro-magnet to make cage shape container electricity, the magnetic vibration of having accommodated the mineral substance particle.
Illustrate that with reference to the accompanying drawings the waste water conditioner of embodiment of the present invention sneaks into the embodiment of device.
As illustrated in fig. 1 and 2, the waste water conditioner of embodiment is sneaked into device, (main component is humic acid and silicic acid the diameter contain aluminium hydroxide is set is mineral substance particle about 10mm under the baselevel in the stainless steel vessel 2 that has connected water lines 1, and contain the pelyte of 2% aluminium hydroxide) 3 accumulation horizon, below this accumulation horizon, every platform 4 the gas parts (air diffuser parts) 5 that loose are set across the water-permeable that constitutes by perforated metal, and on the gas parts 5 that loose, connect the compressed-air actuated supply-pipe 14 of coming by air pump 12 force feeds, and this waste water conditioner is sneaked into device and is connected and to be provided with waste water conditioner and to sneak into pipeline 6, described waste water conditioner is sneaked into pipeline 6 and is loose gas parts 5 when being released to bubble flow the water mineral substance particle 3 being vibrated utilizing from tubulose, and the water that is dispersed with by the powdery treatment agent that friction produced between the mineral substance particle 3 is offered in the container processed water outward.
In container 2, in order when supplying with excessive water, not overflow, be provided with the water level control apparatus of float 7, only, just can often keep the constant water level by opening and closing water lines 1 by magnetic valve 8.In addition, though too high for hydraulic pressure, surpass under the situation of datum level and also do not overflow in water lines, and water port 9 is set at the height of datum level.
In addition, the next door 10 be connected the punch metal system of setting every platform 4 so that the water that has disperseed the powdery treatment agent is filtered, makes it easy discharge, and can sneak into pipeline 6 drainings from treatment agent reliably.
And, as shown in Figure 2, be provided for the timer 13 of automatically controlled magnetic valve 8,11 and air pump 12, can carry out plumbing automatically by operation and setting.
Sneaking in the device of above-mentioned waste water conditioner, if drive air pump 12 when in container, supplying with water, mineral substance particle 3 contacts with the air filled cavity that rises and vibrates when then producing aeration, at this moment sneak in the water with finite concentration after the wearing and tearing powder that produces generates at once, by next door 4, can sneak into pipeline 6 from treatment agent and carry out draining.
Embodiment
In 50 liters of containers illustrated in figures 1 and 2, on platform, accommodate 5kg mineral substance particle (main component is humic acid and silicic acid and the pelyte particle that contains the diameter 10mm of 2% aluminium hydroxide) with the stratiform of roughly same thickness, from degree the pressurized air to diffusing gas parts supply hydraulic pressure more than of air pump with 2 liters/minute, and supply with 600 riser pipe water (tap water) every day to the mineral substance particle, and make with the powdery treatment agent disperse water of measuring, again with it to from the public house, the waste water in kitchen was sneaked into 37 days continuously, and make it so to carry out the microbiological degradation Processing Test by oil strain fat device (200 liters of capacity) draining.Wearing and tearing mineral substance particle weight calculation result when making water displacement in 30 days be 18000 liters is 41.57g.At this moment the draining water examination (pH, biochemical oxygen demand (BOD) (BOD), suspended substance quality (SS), N-hexane extract amount) in the oil strain fat device the results are shown in the table 1.
Table 1
Flow into former water After on-test to 12 day The experiment beginning is after 37 days The sewage discharge benchmark value
1. pH value (25 ℃) ????4.8 ????6.3 ????6.4 ?????-
??②BOD(mg/l) ????15100 ????113.0 ????109.0 ????600.0
??③SS(mg/l) ????57900 ????54.0 ????35.0 ????600.0
4. N-hexane extract amount (mg/l) ????42200 ????17.9 ????4.0 ????30.0
As shown in Table 1, BOD, SS amount, the N-hexane extract amount handled after back 12 days and 37 days significantly reduce, the result of visual inspection, and the accumulation and the delay that also do not have grease to divide, the transparency and the foul smell of draining also significantly improve.
(invention effect)
As described above, owing in container, accommodate the mineral substance particle that contains aluminium hydroxide in a large number, these mineral substance particle vibrations and the powder that will wear and tear are discharged in the waste water, make the grease trophicity microbial growth in the waste water, therefore, can remove the stench in the plumbing drain that is in anaerobic state that arrives the sewage hold up tank easy and reliably, in such plumbing drain, storess such as stench or waste oil can not take place, thereby the microbiological degradation treatment process of waste water of the present invention has the advantage that can carry out sewage disposal under clean state.
In addition, use the invention of this device, be that underwater in container is provided with the mineral substance build-up of particles layer contain aluminium hydroxide, utilization vibrates the mineral substance particle from the bubble flow that the diffusing gas parts that are arranged on this accumulation horizon below are discharged into the water, and the device of the processed water that the powdery treatment agent dispersive water supply container that generates is outer, thereby need not in device, to assemble the treatment trough be used to make microbial growth, can use better simply device in waste water, to supply with the microorganism base material of specified quantitative reliably, have the management that realizes microbiological treatment and do not bother, and can be with the advantage of the microbiological degradation treatment unit of the waste water of low cost movement.

Claims (3)

1, a kind of microbiological degradation treatment process of waste water, it is characterized in that: the mineral substance particle that will contain aluminium hydroxide is housed in the container in the contacted to each other mode of adjacent particles in a large number, and make the vibration of these mineral substance particle physicses and the mineral substance particle is rubbed to each other, the abrasion powder that produces is discharged to the waste water in described container, providing aluminum ion by the described abrasion powder that supplies in this waste water in water, is that carrier makes organism trophicity microbial growth with described wearing and tearing powder simultaneously.
2, the microbiological degradation treatment process of waste water according to claim 1 is characterized in that: the limit is supplied with the waterside and is made the mineral substance particle vibration in container, and it is outer and be blended among the processed waste water that the wearing and tearing powder that produces and water are fetched into container together.
3, a kind of waste water conditioner sneaks into device, it is characterized in that: the underwater in the container on the supply road that connects water is provided with the accumulation horizon of the mineral substance particle that contains aluminium hydroxide, diffusing gas parts are being set below this accumulation horizon and on these diffusing gas parts, are connecting compressed-air actuated supply road
And be provided with treatment agent and sneak into pipeline, described treatment agent is sneaked into pipeline when being released to bubble flow the water from described diffusing gas parts and making the mineral substance vibration, in the processed water of water supply outside container that has disperseed by the powdery treatment agent that friction produced between the mineral substance particle.
CNB2004100321225A 2003-05-27 2004-04-01 Microbe decomposition treatment method for waste water and mixing apparatus for waste water treatment agent Expired - Fee Related CN1289410C (en)

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JP2003149472 2003-05-27
JP2003149472A JP2004351269A (en) 2003-05-27 2003-05-27 Method for microbial degradation treatment of waste water and apparatus for mixing waste water treating agent

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CN1289410C CN1289410C (en) 2006-12-13

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HK1071881A1 (en) 2005-08-05
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KR20040101906A (en) 2004-12-03
JP2004351269A (en) 2004-12-16

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