CN208632327U - A kind of advanced oxidation processes treatment process device of the waste water containing sodium phenolate - Google Patents
A kind of advanced oxidation processes treatment process device of the waste water containing sodium phenolate Download PDFInfo
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- CN208632327U CN208632327U CN201820913203.3U CN201820913203U CN208632327U CN 208632327 U CN208632327 U CN 208632327U CN 201820913203 U CN201820913203 U CN 201820913203U CN 208632327 U CN208632327 U CN 208632327U
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Abstract
The utility model discloses a kind of advanced oxidation processes treatment process devices of waste water containing sodium phenolate, including wastewater disposal basin, and the advanced oxidation device successively being connect with wastewater disposal basin by pipeline pump, crystallizing evaporator and biochemical device, the advanced oxidation device is the catalytic tower by least two-stage series connection, the tower body of the catalytic tower successively includes feed liquor mixing section from bottom to up, catalyst reaction section and outlet section, the feed liquor mixing section is equipped with waste liquid import and dioxygen water inlet, the gas distributor is also connected with ozone import, the catalyst reaction section is filled with catalytic filler block, the outlet section also passes through pipeline pump and the waste liquid import of catalytic tower bottom is connected by circulation.Debirs difficult to degrade in waste water are effectively carried out catalysis oxidation, to realize the biochemical treatment of high-salt wastewater organic matter, and have been recycled technical grade salt by the utility model using the catalyst filling block of active metal load silica gel, realize that resource recycling utilizes.
Description
Technical field
The utility model belongs to environmental protective chemical industry technical field, more particularly to the processing equipment containing sodium phenolate waste water difficult to degrade and
Processing method.
Background technique
As China's industry is grown rapidly, sewage discharge increasingly increases, and is difficult to biodegradable chemicals largely with waste water
Form is discharged into environment, causes the serious pollution of water resource, has become the pain spot of social development and the hot spot of concern.Especially exist
That discharges in the industrial processes such as coking, petrochemical industry, printing and dyeing, pharmacy, organic synthesis is anhydrous containing a large amount of toxic organic compounds and height
Concentration salt, such as sodium sulphate, sodium chloride, sodium nitrate, copper sulphate etc. need pair so that can not directly pass through biochemical treatment means
After Nacl carries out Crystallization Separation in waste water, then biochemical treatment is carried out, to generate toxic industrial waste salt, can not accomplish industry
Salt recycling treatment；Simultaneously because useless Organic substance in water contains such as formaldehyde, alcohols and difficult to degrade and high boiling phenolic material
Matter, at present Conventional catalytic oxidation can not also be handled, and be abraum salt by the salt that distillation crystallization obtains for brine waste,
It can not recycling treatment.Oxidation means of the advanced oxidation as new development obtain extremely strong energy of oxidation by screening suitable catalyst
The macromolecular debirs of bond energy high in water body are oxidized to degradable, hypotoxicity small molecule by the free radical of power, but it is catalyzed
Agent and core process technology be all from external import, it is at high cost, be unfavorable for the development of domestic sewage disposal technology.
Summary of the invention
Goal of the invention: being directed to above-mentioned existing problem and shortage, and the purpose of the utility model is to provide one kind to contain phenol
The advanced oxidation processes treatment process device and method of sodium salt waste water.
Technical solution: in order to solve the above-mentioned technical problem, the utility model uses following technical scheme: one kind containing sodium phenolate
The advanced oxidation processes treatment process device of waste water, including wastewater disposal basin, and successively connect with wastewater disposal basin by pipeline pump advanced
Oxidator, crystallizing evaporator and biochemical device,
The advanced oxidation device is the catalytic tower by least two-stage series connection, the tower body of the catalytic tower from down toward
On successively include feed liquor mixing section, catalyst reaction section and outlet section, the feed liquor mixing section be equipped with gas distributor and waste liquid
Import and dioxygen water inlet, the gas distributor are also connected with ozone import, and the catalyst reaction section is filled with catalytic filler
Block, the outlet section also passes through pipeline pump and the waste liquid import of catalytic tower bottom is connected by circulation.
Preferably, the advanced oxidation device is made of three-level catalytic tower.
Preferably, the catalytic tower is fixed bed reactors.
Preferably, the catalytic tower outlet section is additionally provided with detection thief hatch.
Preferably, being additionally provided with coarse filter by pipeline pump between the wastewater disposal basin and advanced oxidation device.
The utility model has the advantages that compared with prior art, the utility model has the advantage that by using honeycomb cellular activity
Debirs difficult to degrade in waste water are effectively carried out catalysis oxygen as catalyst by the catalyst filling block of Metal Supported silica gel
Change, to realize the biochemical treatment of high-salt wastewater organic matter, and acquires the technical grade salt in recycling waste water, realize industrial waste salt
Resource recycling utilizes.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the advanced oxidation processes treatment process device of the waste water described in the utility model containing sodium phenolate.
Wherein, wastewater disposal basin 1, coarse filter 2, one stage catalyzing oxidizing tower 3, second level catalysis oxidizing tower 4, three-level catalysis oxidizing tower
5, biochemical device 6, evaporator 7, crystallization apparatus 8, centrifuge 9.
Specific embodiment
In the following with reference to the drawings and specific embodiments, the utility model is furtherd elucidate, it should be understood that these embodiments are only used for
Illustrate the utility model rather than limitation the scope of the utility model, after having read the utility model, art technology
Personnel fall within the application range as defined in the appended claims to the modification of the various equivalent forms of the utility model.
Embodiment 1
Shown in Fig. 1, the advanced oxidation processes treatment process device and method of the waste water containing sodium phenolate of the utility model are mainly mentioned
The advanced oxidation processes treatment process device of processing complete set of equipments waste water containing sodium phenolate of waste water, including wastewater disposal basin, Yi Jitong are supplied
Piping pumps advanced oxidation device, crystallizing evaporator and the biochemical device successively connecting with wastewater disposal basin,
The advanced oxidation device be by 3 grades of concatenated catalytic towers, the tower body of the catalytic tower from bottom to up according to
Secondary includes feed liquor mixing section, catalyst reaction section and outlet section, and the feed liquor mixing section is equipped with gas distributor and waste liquid import
With dioxygen water inlet, the gas distributor is also connected with ozone import, and the catalyst reaction section is filled with catalytic filler block, institute
State that outlet section also passes through pipeline pump and the waste liquid import of catalytic tower bottom is connected by circulation.
The Advanced Oxidation Technics in Dealing method of sodium phenolate waste water the following steps are included:
Step 1 weighs sodium metasilicate and is dissolved in pure water, obtains the sodium silicate solution of 15-25% mass percentage concentration, and
PH value is adjusted in the range of 12-13 by sulfuric acid or sodium hydroxide, forms clear solution；It weighs pucherite and is dissolved in dilute sulfuric acid and obtain
It is spare to soluble vanadic acid bismuth salt solution；
Step 2: soluble vanadic acid bismuth salt solution is mixed with sodium silicate solution, carries out neutralization-precipitation reaction, is generated
It obtains silica gel and pucherite adulterates sediment, then the pH value by the way that dilute sulfuric acid adjusting mixed liquor is slowly added dropwise is kept mixed in 6-8
It closes and continues aging reaction；Wherein preferred 10:1~4 of the mass ratio of sodium metasilicate and pucherite, more preferably 10:2.5.The present embodiment
In, commercially available pucherite influences final catalytic activity and service life since grain diameter is larger and uneven.As improvement project, originally
Application improves pucherite into production: citric acid being added in bismuth nitrate solution and is uniformly mixed, and adjusts ph value and obtains in 7-9
To reaction solution A；In addition citric acid is added in Ammonium Vanadate Solution, and carries out complex reaction at 80~100 DEG C and obtains reaction solution
B mixes reaction solution A and B according to the ratio that Bi/V molar ratio is 1:1~1.2；Then lignin amine is added, at 70~85 DEG C
1~2h of lower back flow reaction, for the sediment reacted after separation, pure water and drying, grinding obtains pucherite.
Step 3: the sediment after reaction aging is separated by filtration and is dried.After aging process, favorably
It is immobilized in Silica Surface bonding absorption in pucherite isoreactivity metal, improve catalytic activity.After the sediment of aging again
The methyl cellulose binder of sediment 5-12% mass is added and is uniformly mixed, then squeezes to form honeycomb by mold
Green body, green body is by at least above for 24 hours drying；
Step 4: the green body that step 3 obtains is roasted at a temperature of 400~600 DEG C, obtains urging for high specific area
Agent honeycomb filling body.
The treatment process of the utility model waste water containing sodium phenolate is as follows:
(1) industrial wastewater carries out oil removing, filtering by coarse filter, removes the suspended matter and colloidal substance in waste water；
(2) the postindustrial waste water of coarse filtration is sent in three-level catalytic tower, in the case where hydrogen peroxide and ozone enter jointly, on
Catalyst reaction section is risen to, under the action of catalyst and hydrogen peroxide, ozone, the debirs in waste water occur at normal temperatures and pressures
Catalytic oxidation, while recycling to be sent into catalytic tower by the waste water not reacted completely from tower top by circulating pump and continuing to follow
Ring reaction, it is ensured that the COD value in exit meets discharge standard；
(3) the COD Numerical Control parameter being arranged according to every grade of catalytic tower outlet section will be catalyzed by advanced oxidation device
Waste water after oxidation, which is sent into crystallizing evaporator, is evaporated concentration, the waste water that evaporative condenser flows back then be sent into biochemical device into
Row processing, according to different discharge standards, the COD that afterbody waste water can be produced to mouth is controlled in 10-20ppm, meets waste water
Discharge standard；The solid phase salt of crystallizing evaporator solid phase extraction mouth extraction continues through concentration, crystallization, centrifugal treating, and recycling obtains
Technical grade recycles salt.
The present embodiment handles Jiangxi petrochemical industry synthesis factory's waste water, and waste water quality is as follows: sodium sulphate salt content is about
7%, COD content are 224ppm, and ammonia-nitrogen content is 4~5ppm, and sodium phenolate is 2~4%, also containing the cyaniding of 0.1~0.2ppm
Object, after treatment, COD is down to 12ppm, removal rate 94% in waste water, and recycling obtains impurity content and meets work lower than 4%
The sodium sulfate salt of industry grade.
Embodiment 2, the present embodiment the difference from embodiment 1 is that catalyst filling difference, specifically: passing through chlorination
Palladium replaces pucherite, and is dissolved in hydrochloric acid and obtains palladium chloride salting liquid, and mix with sodium silicate solution and neutralization precipitation occurs
Reaction obtains the codope sediment of silica gel and palladium dydroxide, and the preferably mass ratio of silica gel and Metal Palladium is 10:2.5.
The present embodiment handles Jiangxi petrochemical industry synthesis factory's waste water, and waste water quality is as follows: sodium sulphate salt content is about
7%, COD content are 224ppm, and ammonia-nitrogen content is 4~5ppm, and sodium phenolate is 2~4%, also containing the cyaniding of 0.1~0.2ppm
Object, after treatment, COD is down to 24ppm, removal rate 89% in waste water, and recycling obtains impurity content and meets work lower than 4%
The sodium sulfate salt of industry grade.
Embodiment 3, the present embodiment the difference from embodiment 1 is that catalyst filling difference, specifically: passing through chlorination
The salt-mixture of palladium and iron chloride replaces pucherite, and is dissolved in and obtains palladium/iron mixing salt solution in hydrochloric acid, and and sodium silicate solution
Carry out mixing and neutralization-precipitation reaction occur, obtain the codope sediment of silica gel and metal hydroxides, preferably silica gel with mix
Mass ratio be 10:2.5, wherein the mass ratio of preferred palladium and iron is 2:(1-5).
The present embodiment handles Jiangxi petrochemical industry synthesis factory's waste water, and waste water quality is as follows: sodium sulphate salt content is about
7%, COD content are 224ppm, and ammonia-nitrogen content is 4~5ppm, and sodium phenolate is 2~4%, also containing the cyaniding of 0.1~0.2ppm
Object, after treatment, COD is down to 18ppm, removal rate 92% in waste water, and recycling obtains impurity content and meets work lower than 4%
The sodium sulfate salt of industry grade.
Claims (5)
1. a kind of advanced oxidation processes treatment process device of waste water containing sodium phenolate, it is characterised in that: including wastewater disposal basin, and pass through
Advanced oxidation device, crystallizing evaporator and the biochemical device that pipeline pump is successively connect with wastewater disposal basin,
The advanced oxidation device be by least two-stage series connection catalytic tower, the tower body of the catalytic tower from bottom to up according to
Secondary includes feed liquor mixing section, catalyst reaction section and outlet section, and the feed liquor mixing section is equipped with gas distributor and waste liquid import
With dioxygen water inlet, the gas distributor is also connected with ozone import, and the catalyst reaction section is filled with catalytic filler block, institute
State that outlet section also passes through pipeline pump and the waste liquid import of catalytic tower bottom is connected by circulation.
2. the advanced oxidation processes treatment process device of the waste water containing sodium phenolate according to claim 1, it is characterised in that: the height
Grade oxidator is made of three-level catalytic tower.
3. the advanced oxidation processes treatment process device of the waste water containing sodium phenolate according to claim 1, it is characterised in that: described to urge
Change reaction tower is fixed bed reactors.
4. the advanced oxidation processes treatment process device of the waste water containing sodium phenolate according to claim 1, it is characterised in that: described to urge
Change reaction tower outlet section and is additionally provided with detection thief hatch.
5. the advanced oxidation processes treatment process device of the waste water containing sodium phenolate according to claim 1, it is characterised in that: described useless
Coarse filter is additionally provided with by pipeline pump between pond and advanced oxidation device.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108947099A (en) * | 2018-06-13 | 2018-12-07 | 江苏湖大化工科技有限公司 | A kind of advanced oxidation processes treatment process device and method of the waste water containing sodium phenolate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108947099A (en) * | 2018-06-13 | 2018-12-07 | 江苏湖大化工科技有限公司 | A kind of advanced oxidation processes treatment process device and method of the waste water containing sodium phenolate |
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