CN108002545A - Contaminant degradation method - Google Patents

Contaminant degradation method Download PDF

Info

Publication number
CN108002545A
CN108002545A CN201711286387.1A CN201711286387A CN108002545A CN 108002545 A CN108002545 A CN 108002545A CN 201711286387 A CN201711286387 A CN 201711286387A CN 108002545 A CN108002545 A CN 108002545A
Authority
CN
China
Prior art keywords
contaminant degradation
degradation method
contaminant
immobilization
nanocatalysts
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201711286387.1A
Other languages
Chinese (zh)
Other versions
CN108002545B (en
Inventor
梁岩
何鑫平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Institute of Advanced Technology of CAS
Original Assignee
Shenzhen Institute of Advanced Technology of CAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Institute of Advanced Technology of CAS filed Critical Shenzhen Institute of Advanced Technology of CAS
Priority to CN201711286387.1A priority Critical patent/CN108002545B/en
Publication of CN108002545A publication Critical patent/CN108002545A/en
Application granted granted Critical
Publication of CN108002545B publication Critical patent/CN108002545B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
    • C02F3/347—Use of yeasts or fungi
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N11/00—Carrier-bound or immobilised enzymes; Carrier-bound or immobilised microbial cells; Preparation thereof
    • C12N11/02—Enzymes or microbial cells immobilised on or in an organic carrier
    • C12N11/10—Enzymes or microbial cells immobilised on or in an organic carrier the carrier being a carbohydrate
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N11/00—Carrier-bound or immobilised enzymes; Carrier-bound or immobilised microbial cells; Preparation thereof
    • C12N11/14—Enzymes or microbial cells immobilised on or in an inorganic carrier
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/30—Organic compounds
    • C02F2101/32—Hydrocarbons, e.g. oil
    • C02F2101/327—Polyaromatic Hydrocarbons [PAH's]
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00—General aspects of water treatment
    • C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Genetics & Genomics (AREA)
  • Microbiology (AREA)
  • Zoology (AREA)
  • Wood Science & Technology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Biotechnology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biochemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Molecular Biology (AREA)
  • Mycology (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Inorganic Chemistry (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Catalysts (AREA)

Abstract

The present invention relates to the technical field of environmental pollution improvement, more particularly, to a kind of contaminant degradation method.Contaminant degradation method is specially：It is 28 35 DEG C to control sewage temperature scope, and the pH scope controls for controlling sewage are 58, carry out combined degradation using immobilized yeast and immobilization CT nanocatalysts afterwards.Contaminant degradation method provided by the invention, after pollutant catabolic gene to suitable temperature and pH scopes, is handled using immobilized yeast, there is higher degrading polycyclic aromatic hydrocarbons efficiency and processing load, and reusable edible；Using immobilization CT nanocatalysts, it is not necessary to subsequent filter processing, it is not necessary to which burst of ultraviolel, can play degradation under no light condition, be adapted to low concentration aromatic contaminants in degrading waste water.Contaminant degradation method provided by the invention, is high efficiency energy saving type, environmentally friendly multiring aromatic hydrocarbon process for treating industrial waste water.

Description

Contaminant degradation method
Technical field
The present invention relates to the technical field of environmental pollution improvement, more particularly, to a kind of contaminant degradation method.
Background technology
With developing rapidly for the industry such as petrochemical industry, pesticide, medicine, plastics, synthetic fibers, coking, China's aromatic hydrocarbons Industrial wastewater total amount speedup is obvious, research and development high efficiency, energy saving, environmentally friendly wastewater treatment method, by aromatic hydrocarbons thing in waste water Matter permineralization, is of great significance.
In the prior art, one kind utilizes TiO2With the side of ultraviolet light the degradation of polycyclic aromatic hydrocarbon compounds in soil combining Method, it is by polycyclic aromatic hydrocarbon pollution and TiO2Mixing, is placed in illumination degrading 10 days under ultraviolet light, and average degradation rate reaches 95% , there is stronger degrading polycyclic aromatic hydrocarbons benefit in left and right, but this method is time-consuming, energy consumption, while needs large area illumination, increase degraded work Skill difficulty.
In the prior art, there is a kind of dress of multiphase photocatalysis combination Membrane Bioreactor for Wastewater Treatment high concentrated organic wastewater Put and method, the device include filter, level-one photochemical catalyst reactor, secondary light hydrogen-catalyst reactor, acidizing hydrolyzation tank, film Bioreactor, it utilizes ultraviolet light and catalyst degrading high concentration organic wastewater, has broad spectrum activity, but on the whole See, apparatus structure is complicated, and degradation effect is limited.
How simply efficiently to degrade to pollutant, be the technical problem that those skilled in the art are urgently to be resolved hurrily at this stage.
The content of the invention
It is an object of the invention to provide a kind of contaminant degradation method, is asked with solving technology existing in the prior art Topic.
Contaminant degradation method provided by the invention, it is specially：It is 28-35 DEG C to control sewage temperature scope, and control is dirty The pH scope controls of water are 5-8, carry out combined degradation using immobilized yeast and immobilization CT nanocatalysts afterwards.
Further, the preparation method of the immobilized yeast is：
Enrichment culture saccharomycete after taking viable bacteria body to be mixed with sodium alginate soln, uniformly instills chlorine through thalline is collected by centrifugation Change in calcium solution；Filtered, after then being rinsed using aseptic deionized water, mixed again with calcium chloride solution afterwards, is crosslinked Filter after calcification, finally rinsed using sterile distilled water.
Further, the immobilized yeast composition filler built in porous hollow sponge, for being dropped to pollutant Solution.
Further, porous hollow sponge overall diameter is 8-10 centimetres, and interior diameter is 4-6 centimetres.
Further, the concentration of the sodium alginate is 4%.
Further, the preparation method of immobilization CT nanocatalysts is：
First CT nano materials are uniformly mixed with inorganic silicon liquid, it is uniformly fixed after ultrasonic disperse, it is dry carrying out heat treatment It is dry.
Further, the temperature of heat treatment is 200-250 DEG C.
Further, CT nanocatalysts are the compound composition of rear-earth-doped MnO, TiO2, ZnO and SiO2；
Wherein, the molar ratio of MnO, TiO2, ZnO and SiO2 are：
MnO：TiO2：ZnO：SiO2=1-5：1-15：1-3：1-15.
Further, the doping of the rare earth is 0.1-2wt%.
Further, the component of the rare earth is lanthanum La and cerium Ce, and La：Ce=1:2-5.
Contaminant degradation method provided by the invention, after pollutant catabolic gene to suitable temperature and pH scopes, using solid Surely change saccharomycete processing, there is higher degrading polycyclic aromatic hydrocarbons efficiency and processing load, and reusable edible；Received using immobilization CT Rice catalyst, it is not necessary to subsequent filter processing, it is not necessary to which burst of ultraviolel, can play degradation under no light condition, be adapted to drop Solve low concentration aromatic contaminants in waste water.Contaminant degradation method provided by the invention, is high efficiency energy saving type, environment friend Good type multiring aromatic hydrocarbon process for treating industrial waste water.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution of the prior art Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in describing below Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor Put, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is the flow chart of contaminant degradation method provided in an embodiment of the present invention；
Fig. 2 is the front view of contaminant degradation device provided in an embodiment of the present invention；
Fig. 3 is the structure diagram of the blender of contaminant degradation device provided in an embodiment of the present invention；
Fig. 4 is the structure diagram of the feed arrangement of contaminant degradation device provided in an embodiment of the present invention；
Fig. 5 is the structure diagram of the first reactor of contaminant degradation device provided in an embodiment of the present invention；
Fig. 6 is the structure diagram of the second reactor of contaminant degradation device provided in an embodiment of the present invention.
Reference numeral：
1：Store babinet；2：Charge door；2-1：Feed hopper；2-2：Two position three-way valve；2-3：Flow control valve；3：Stirring Device；3-1：Motor；3-2：Rotation axis；3-3：Stirring rod；4：PH sensors；5：Temperature sensor；6：First processing units；6-1： First reactor；6-2：Immobilized yeast filler；7：Second processing unit；7-1：Immobilization CT nanocatalyst fillers；7- 2：Second reactor；8：Adsorbent equipment；9：Heated at constant temperature rod.
Embodiment
Technical scheme is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation Example is part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill Personnel's all other embodiments obtained without making creative work, belong to the scope of protection of the invention.
In the description of the present invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ", The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to Easy to describe the present invention and simplify description, rather than instruction or imply signified device or element must have specific orientation, With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.
In addition, term " first ", " second ", " the 3rd " are only used for description purpose, and it is not intended that instruction or implying phase To importance.
In the description of the present invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can To be mechanical connection or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, Ke Yishi Connection inside two elements.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this Concrete meaning in invention.
As shown in Figure 1, the present invention provides a kind of contaminant degradation method, it is specially：Control sewage temperature scope For 28-35 DEG C, the pH scope controls for controlling sewage are 5-8, utilize immobilized yeast and immobilization CT nanocatalysts afterwards Carry out combined degradation.
In the present embodiment, realize this method that combined degradation is carried out to pollutant, be the pollution shown in by attached drawing 2-6 Thing decomposition apparatus is realized.
Contaminant degradation device in the present embodiment includes regulating reservoir, first processing units 6, second processing unit 7；Adjust Pond is connected by first processing units 6 with second processing unit 7；Regulating reservoir includes storage babinet 1, heated at constant temperature rod 9, temperature and passes Sensor 5, PH sensor 4, blender 3；Charge door 2 is provided with storage babinet 1, heated at constant temperature rod 9 is arranged on storage babinet 1 It is interior；Temperature sensor 5 is fixedly installed on storage babinet 1, for monitoring the water temperature in storage babinet 1；Store fixed on babinet 1 PH sensor 4 is provided with, for monitoring the pH value of sewage in storage babinet 1；Storage babinet 1 on be provided with blender 3, for pair Sewage in storage babinet 1 is stirred；First processing units 6 include first reactor 6-1；Set in first reactor 6-1 There is immobilized yeast filler 6-2；Second processing unit 7 includes second reactor 7-2；It is provided with second reactor 7-2 solid Surely CT nanocatalyst fillers 7-1 is changed.
In the present embodiment, immobilized yeast need to grow under optimum temperature and decompose aromatic contaminants, store Heated at constant temperature rod 9 is set in babinet 1, and the heating-up temperature of heated at constant temperature rod 9 is arranged to 28-35 DEG C, meanwhile, in storage babinet Set temperature sensor 5 in 1, can record sewage temperature in real time, once abnormal, automatic alarm, while it is shut on or off heating rod Power switch.
In the present embodiment, it is possible to the immobilized yeast the most suitable growth pH for aromatic contaminants of degrading is being deposited between 5-8 PH sensor 4 is set in storage tank body 1, is controlled sewage pH scopes by injecting acid or alkali in feeding port, it is ensured that immobilization Aromatic contaminants efficiency in saccharomycete treated sewage.
In the present embodiment, after the temperature stored in babinet 1 and acid-base value being controlled, sewage is injected, it is by depositing Storage tank body 1 enters first processing units 6, is reacted with the immobilized yeast being arranged in first reactor 6-1, carries out preliminary After degraded, second processing unit 7 is entered, is carried out with the immobilization CT nanocatalysts being arranged in second reactor 7-2 anti- Should, so that sewage effectively be degraded.
Blender 3 is provided with storage babinet 1, by the stirring of blender 3, is enabled in storage babinet 1 everywhere Sewage temperature it is identical with PH, there is no the problem of dead angle.
Blender 3 includes driving device, and the power of the stirring of blender 3 can be given by driving device.In the present embodiment, Power-driven gear is motor 3-1.
In the present embodiment, the electricity of rotation axis 3-2, rotation axis 3-2 and motor 3-1 are provided with the motor 3-1 of blender 3 Machine 3-1 axis is coaxially fixedly installed, and by the rotation of motor 3-1 axis, rotation axis 3-2 can be driven to be rotated.
In the present embodiment, stirring rod 3-3 is provided with rotation axis 3-2, stirring rod 3-3 is vertically arranged with rotation axis 3-2, Stirring rod 3-3 can be driven to be rotated around rotation axis 3-2, realize the stirring to sewage around under the rotation of rotation axis 3-2.
In the present embodiment, stirring rod 3-3 is multiple that it is set along the outer wall helical form of rotation axis 3-2.
It is pointed out that the set-up mode of stirring rod 3-3 can be the set-up mode such as the present embodiment, it is also not only Such set-up mode is confined to, it can also be other set-up modes, such as can also be and sets in a row or in pairs Set, that is to say, that as long as it can be realized to the dirt in storage babinet 1 by stirring rod 3-3 around the rotation of rotation axis 3-2 The stirring of water.
It may also be noted that in the present embodiment, stirring is carried out by stirring rod 3-3, but it not only limits to In stirring rod 3-3, it can also be other structures, such as can also be blade structure, that is to say, that as long as it can be to storage The stirring of sewage in babinet 1.
In the present embodiment, the rotating speed of blender 3 is 150-500r/min.By the lasting low-speed running of blender 3, protect At any time, sewage temperature, pH's card homogenize in cube storage babinet 1, do not stay dead angle, do not deposit difference.
In the present embodiment, feed hopper 2-1 is provided with charge door 2, can be ensured by feed hopper 2-1 be not in Soda acid spluttering, ensure that the security of environment.
Flow control valve 2-3 is set between feed hopper 2-1 and charge door 2, is added by flow control valve 2-3 to control The speed and total amount of soda acid, to ensure that the PH of sewage in storage babinet 1 is suitable.
In the present embodiment, feed hopper 2-1 is arranged to two, the solution of bronsted lowry acids and bases bronsted lowry is set wherein respectively, passes through two Position three-way valve 2-2 is connected with flow control valve 2-3.
When needing to inject acid solution into storage babinet 1, flow control valve 2-3 is opened, is also turned on setting acid solution Feed hopper 2-1；When needing to inject aqueous slkali into storage babinet 1, flow control valve 2-3 is opened, is also turned on setting Put the feed hopper 2-1 of aqueous slkali.
In the present embodiment, contaminant degradation device further includes controller；Controller is passed with heated at constant temperature rod 9, PH respectively Sensor 4, temperature sensor 5, flow control valve 2-3 are connected with two position three-way valve 2-2 signals.
In the present embodiment, can be when the temperature for storing sewage in babinet 1 be improper by the control of controller, control The temperature of sewage is adjusted in heated at constant temperature rod 9 processed；When the PH for storing sewage in babinet 1 is improper, flow control is controlled Valve 2-3 and two position three-way valve 2-2, realizes the adjusting to sewage PH.
Such setting so that manual operation is not required in whole process, improves the security of operation, also improves at the same time Work efficiency, avoids the error of manual operation.
In the present embodiment, 8-10 meters of the length of side of babinet 1 is stored, first reactor 6-1 and second reactor 7-2 are respectively provided with To be cylindric, and the effective diameter of first reactor 6-1 and second reactor 7-2 are 5-6 meters.
In the present embodiment, babinet 1, first reactor 6-1, second reactor 7-2 are stored and uses stainless steel system Into thickness of steel product is 2-3 millimeters.Such setting, can effective anti-corrosion, anti-internal pressure, and possess certain load-bearing property.
In the present embodiment, at the top of first reactor 6-1 and second reactor 7-2, adsorbent equipment 8 has been respectively mounted it. By adsorbent equipment 8, adsorbable processing contains organic gas and the foul smells such as toluene, dimethylbenzene, benzene class, phenols, esters, aldehydes Gas etc..
In the present embodiment, adsorbent equipment 8 is activated carbon adsorption device 8.
Preferred embodiment is that the preparation method of immobilized yeast is：
Enrichment culture saccharomycete after taking viable bacteria body to be mixed with sodium alginate soln, uniformly instills chlorine through thalline is collected by centrifugation Change in calcium solution；Filtered, after then being rinsed using aseptic deionized water, mixed again with calcium chloride solution afterwards, is crosslinked Filter after calcification, finally rinsed using sterile distilled water.
In the present embodiment, the cell concentration of saccharomycete is 1 × 107-109CFU/mL, holds miscible temperature with sodium alginate Spend for room temperature, be uniformly added dropwise to upon mixing in the calcium chloride solution of 4-5%, after filtering and aseptic deionized water rinses, Mixed again with calcium chloride solution, when crosslinking calcification 2 is small, filtering, finally being rinsed using sterile distilled water being fixed Saccharomycete.
Preferred embodiment is, immobilized yeast built in porous hollow sponge forms filler, for pollutant into Row degraded.
Porous hollow sponge overall diameter is 8-10 centimetres, and interior diameter is 4-6 centimetres.
Immobilized yeast filler 6-2 immobilized yeast particles built in some hollow sponges form, and hollow sponge is It is spherical, 4-6 centimetres of interior diameter, 8-10 centimetres of overall diameter；Immobilized yeast particle is spherical, 1-2 millimeters of diameter.
It is hollow in sponge ball to fill up immobilized yeast particle, it is ensured that it is not damaged, do not extrude on the premise of, by immobilization Saccharomycete is firmly locked to be come into full contact with the hollow position of sponge, immobilized yeast particle with pollutant, produces sustaining degradation reaction.
Preferred embodiment is that the concentration of sodium alginate is 4%.
Preferred embodiment is that the preparation method of immobilization CT nanocatalysts is：
First CT nano materials are uniformly mixed with inorganic silicon liquid, it is uniformly fixed after ultrasonic disperse, it is dry carrying out heat treatment It is dry.
First CT nano materials are uniformly mixed with inorganic silicon liquid, are uniformly brushed after ultrasonic disperse 30min to the second reaction Device inner glass plate surface, the dry 30min of 200-250 DEG C of heat treatment is up to immobilization CT nanocatalyst fillers.
The multiple materials such as CT nanocatalysts are mixed with colloidal sol, uniform coating is on glass plate carrier, drying and roasting, Prepare stable homogeneous, immobilization CT nanocatalyst coated glass plates not easily to fall off.In second processing unit 7, if placing The center pillar of dry 5 centimetres of parallel intervals of block is connected coated glass plate, and degradation is produced to aromatic contaminants in waste water.
Preferred embodiment is that CT nanocatalysts are the compound composition of rear-earth-doped MnO, TiO2, ZnO and SiO2；
Wherein, the molar ratio of MnO, TiO2, ZnO and SiO2 are：
MnO：TiO2：ZnO：SiO2=1-5：1-15：1-3：1-15.
The doping of rare earth is 0.1-2wt%.
The component of rare earth is lanthanum La and cerium Ce, and La：Ce=1:2-5.
It can be seen from the above, contaminant degradation method provided by the invention, main process are as follows：
(1) aromatic hydrocarbons sewage is put into regulating reservoir to 80% volume height, it is 150-500r/ to set blender mixing speed Min, sewage temperature is adjusted to 28-35 DEG C by heated at constant temperature rod, by acid adding or adds alkali adjusting sewage pH scopes to be 5-8；
(2) aromatic hydrocarbons sewage in regulating reservoir is imported into first reactor through conduit, when sustained response 36-48 is small, during which produced Raw exhaust gas or the aromatic hydrocarbons gas of volatilization are through activated carbon adsorption；
(3) by the aromatic hydrocarbons sewage after preliminary treatment in first reactor, second reactor, sustained response are imported through conduit When 24-36 is small, the exhaust gas or the aromatic hydrocarbons gas of volatilization during which produced is through activated carbon adsorption；
(4) harmful substance contents in aromatic hydrocarbons waste water are detected in second reactor, are reached after relevant environment standard by regulation Discharge.
In the present invention, test of many times was done, test data is as follows：
From the above data, it can be seen that the present invention, which provides contaminant degradation method, can greatly provide degradation rate.
Contaminant degradation method provided by the invention, after pollutant catabolic gene to suitable temperature and pH scopes, using solid Surely change saccharomycete processing, there is higher degrading polycyclic aromatic hydrocarbons efficiency and processing load, and reusable edible；Received using immobilization CT Rice catalyst, it is not necessary to subsequent filter processing, it is not necessary to which burst of ultraviolel, can play degradation under no light condition, be adapted to drop Solve low concentration aromatic contaminants in waste water.Contaminant degradation method provided by the invention, is high efficiency energy saving type, environment friend Good type multiring aromatic hydrocarbon process for treating industrial waste water.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent Pipe is described in detail the present invention with reference to foregoing embodiments, it will be understood by those of ordinary skill in the art that：Its according to Can so modify to the technical solution described in foregoing embodiments, either to which part or all technical characteristic into Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology The scope of scheme.

Claims (10)

  1. A kind of 1. contaminant degradation method, it is characterised in that it is 28-35 DEG C to control sewage temperature scope, controls the pH models of sewage Contain and be made as 5-8, carry out combined degradation using immobilized yeast and immobilization CT nanocatalysts afterwards.
  2. 2. contaminant degradation method according to claim 1, it is characterised in that the preparation method of the immobilized yeast For：
    Enrichment culture saccharomycete after taking viable bacteria body to be mixed with sodium alginate soln, uniformly instills calcium chloride through thalline is collected by centrifugation In solution；Filtered, after then being rinsed using aseptic deionized water, mixed again with calcium chloride solution afterwards, be crosslinked calcification After filter, finally rinsed using sterile distilled water.
  3. 3. contaminant degradation method according to claim 2, it is characterised in that the immobilization built in porous hollow sponge Saccharomycete forms filler, for degrading to pollutant.
  4. 4. contaminant degradation method according to claim 3, it is characterised in that porous hollow sponge overall diameter is 8-10 lis Rice, interior diameter are 4-6 centimetres.
  5. 5. contaminant degradation method according to claim 2, it is characterised in that the concentration of the sodium alginate is 4%.
  6. 6. contaminant degradation method according to claim 1, it is characterised in that the preparation side of immobilization CT nanocatalysts Method is：
    First CT nano materials are uniformly mixed with inorganic silicon liquid, it is uniformly fixed after ultrasonic disperse, carrying out heat treatment drying.
  7. 7. contaminant degradation method according to claim 6, it is characterised in that the temperature of heat treatment is 200-250 DEG C.
  8. 8. contaminant degradation method according to claim 1, it is characterised in that CT nanocatalysts for rear-earth-doped MnO, TiO2, ZnO and SiO2Compound composition；
    Wherein, MnO, TiO2, ZnO and SiO2Molar ratio be：
    MnO：TiO2：ZnO：SiO2=1-5：1-15：1-3：1-15.
  9. 9. contaminant degradation method according to claim 8, it is characterised in that the doping of the rare earth is 0.1- 2wt%.
  10. 10. contaminant degradation method according to claim 8, it is characterised in that the component of the rare earth is lanthanum La and cerium Ce, and La：Ce=1:2-5.
CN201711286387.1A 2017-12-07 2017-12-07 Pollutant degradation method Active CN108002545B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711286387.1A CN108002545B (en) 2017-12-07 2017-12-07 Pollutant degradation method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711286387.1A CN108002545B (en) 2017-12-07 2017-12-07 Pollutant degradation method

Publications (2)

Publication Number Publication Date
CN108002545A true CN108002545A (en) 2018-05-08
CN108002545B CN108002545B (en) 2021-04-20

Family

ID=62057530

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711286387.1A Active CN108002545B (en) 2017-12-07 2017-12-07 Pollutant degradation method

Country Status (1)

Country Link
CN (1) CN108002545B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110902972A (en) * 2019-12-16 2020-03-24 陈鑫宇 Multifunctional sewage treatment device
CN113416688A (en) * 2021-06-23 2021-09-21 江西理工大学 Preparation method of immobilized spores and application of immobilized spores in adsorption of rare earth ions

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56144089A (en) * 1980-04-11 1981-11-10 Tokyo Rika Kikai Kk Preparation of ethanol
JPS58146280A (en) * 1982-02-26 1983-08-31 Japan Atom Energy Res Inst Immobilized yeast having proliferation activity and its preparation
EP0188068A2 (en) * 1984-11-16 1986-07-23 Nitto Chemical Industry Co., Ltd. Method for purifying reaction solution obtained by using microbial cell, immobilized microbial cell, or immobilized enzyme
JPH0321393A (en) * 1989-06-16 1991-01-30 Erusoru Prod Kk Water treatment by microbe-and enzyme immobilized bioreactor
CN1055201A (en) * 1990-07-07 1991-10-09 中国科学院兰州化学物理研究所 Process with immobilized cell catalyzed oxidation lower carbon number hydrocarbons
CN1699220A (en) * 2005-05-23 2005-11-23 南京工业大学 Method and device for treating wastewater by immobilized cells
CN101146619A (en) * 2005-02-02 2008-03-19 富爱乐国际有限公司 Charge transfer type catalyst, functional oxidation/reduction material utilizing the catalyst, and material containing charge transfer type catalyst
CN102836702A (en) * 2012-09-03 2012-12-26 江苏大学 Transition metal ion imprinting supported M-POPD-TiO2-floating bead composite photocatalyst and preparation method and application thereof
CN104310712A (en) * 2014-11-03 2015-01-28 北京高能时代环境技术股份有限公司 Treatment method of coal chemical waste water

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56144089A (en) * 1980-04-11 1981-11-10 Tokyo Rika Kikai Kk Preparation of ethanol
JPS58146280A (en) * 1982-02-26 1983-08-31 Japan Atom Energy Res Inst Immobilized yeast having proliferation activity and its preparation
EP0188068A2 (en) * 1984-11-16 1986-07-23 Nitto Chemical Industry Co., Ltd. Method for purifying reaction solution obtained by using microbial cell, immobilized microbial cell, or immobilized enzyme
JPH0321393A (en) * 1989-06-16 1991-01-30 Erusoru Prod Kk Water treatment by microbe-and enzyme immobilized bioreactor
CN1055201A (en) * 1990-07-07 1991-10-09 中国科学院兰州化学物理研究所 Process with immobilized cell catalyzed oxidation lower carbon number hydrocarbons
CN101146619A (en) * 2005-02-02 2008-03-19 富爱乐国际有限公司 Charge transfer type catalyst, functional oxidation/reduction material utilizing the catalyst, and material containing charge transfer type catalyst
CN1699220A (en) * 2005-05-23 2005-11-23 南京工业大学 Method and device for treating wastewater by immobilized cells
CN102836702A (en) * 2012-09-03 2012-12-26 江苏大学 Transition metal ion imprinting supported M-POPD-TiO2-floating bead composite photocatalyst and preparation method and application thereof
CN104310712A (en) * 2014-11-03 2015-01-28 北京高能时代环境技术股份有限公司 Treatment method of coal chemical waste water

Non-Patent Citations (8)

* Cited by examiner, † Cited by third party
Title
（美）因特兰特等: "《先进材料化学》", 31 January 2013, 上海交通大学出版社 *
吴鑫颖等: "海藻酸钠-PVA混合载体固定化（酵母）细胞的研究", 《工业微生物进展-2005年中国工业微生物学术研讨会论文集》 *
姚仲鹏: "《空气净化原理、设计与应用》", 30 September 2014, 中国科学技术出版社 *
张昉: "大孔径载体固定化微生物复合高级催化氧化法处理城镇污水研究", 《甘肃科技》 *
曹文平等: "酵母菌在废水处理中的应用现状和进展", 《中国生物工程杂志》 *
西鹏: "《高技术纤维概论》", 31 March 2012, 中国纺织出版社 *
郭静等: "电荷转移型自动氧化还原（CT）纳米催化剂在抗菌涂层中的性能研究", 《涂料工业》 *
高冬梅等: "《环境微生物实验》", 30 October 2014, 中国海洋大学出版社 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110902972A (en) * 2019-12-16 2020-03-24 陈鑫宇 Multifunctional sewage treatment device
CN113416688A (en) * 2021-06-23 2021-09-21 江西理工大学 Preparation method of immobilized spores and application of immobilized spores in adsorption of rare earth ions

Also Published As

Publication number Publication date
CN108002545B (en) 2021-04-20

Similar Documents

Publication Publication Date Title
CN111438177B (en) System for chemical oxidation and microbial remediation cooperate with petroleum hydrocarbon contaminated soil
CN108002545A (en) Contaminant degradation method
CN103111462A (en) Method for removing organic pollutants in polluted soil
CN104030501A (en) Circulating water full-automatic scale removal/sterilization/algae removal/filtration integrated device
CN106746411A (en) A kind of environmentally-friendly sludge processing equipment
CN203124412U (en) Device for removing organic pollutants in contaminated soil
CN105236670A (en) Biological reaction and adsorption water purifying device used for waste water treatment
CN115403232A (en) Turnover type excrement treatment device and method for pig breeding
CN107352707A (en) A kind of river sewage processing unit
CN206232537U (en) A kind of chemical reagent wastewater treatment equipment
CN113860500A (en) Hospital sewage treatment system based on MBR
CN206828210U (en) The PLC control system of batch-type complex microorganism incubation equipment
CN207108756U (en) Contaminant degradation device
CN210993753U (en) Odor treatment device
CN110510795B (en) Printing and dyeing sewage degree of depth decoloration system
WO2014134983A1 (en) Operation control system for active coke regeneration equipment
CN207210156U (en) A kind of river sewage processing unit
CN206486412U (en) A kind of environmentally-friendly sludge processing equipment
CN215559752U (en) Energy-saving environment-friendly water purifying device for tap water plant
CN213316802U (en) Soil pollutant processing apparatus
CN209917891U (en) A agitating unit for photocatalyst production
CN109876646A (en) A kind of environmental protection chemical industry deodorizing device
CN209143958U (en) A kind of dyeing waste water circulation recycling device
CN108640200A (en) A kind of the distributing rural water supply processing system and method for novel dynamic biological film
CN206751690U (en) The bio-fertilizer Zymolysis Equipment of convenient plus water stirring

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant