CN109293117A - A kind of TGIC waste water treatment system and treatment process - Google Patents
A kind of TGIC waste water treatment system and treatment process Download PDFInfo
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- CN109293117A CN109293117A CN201811397921.0A CN201811397921A CN109293117A CN 109293117 A CN109293117 A CN 109293117A CN 201811397921 A CN201811397921 A CN 201811397921A CN 109293117 A CN109293117 A CN 109293117A
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- pond
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- waste water
- evaporation
- oxidation
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- OUPZKGBUJRBPGC-UHFFFAOYSA-N 1,3,5-tris(oxiran-2-ylmethyl)-1,3,5-triazinane-2,4,6-trione Chemical compound O=C1N(CC2OC2)C(=O)N(CC2OC2)C(=O)N1CC1CO1 OUPZKGBUJRBPGC-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 32
- 150000003839 salts Chemical class 0.000 claims abstract description 145
- 239000002351 wastewater Substances 0.000 claims abstract description 78
- 238000001704 evaporation Methods 0.000 claims abstract description 67
- 230000008020 evaporation Effects 0.000 claims abstract description 67
- 238000004458 analytical method Methods 0.000 claims abstract description 62
- 230000003647 oxidation Effects 0.000 claims abstract description 55
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 55
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 46
- 239000013078 crystal Substances 0.000 claims abstract description 41
- 238000006386 neutralization reaction Methods 0.000 claims abstract description 39
- 238000005406 washing Methods 0.000 claims abstract description 35
- 238000004090 dissolution Methods 0.000 claims abstract description 16
- 238000012545 processing Methods 0.000 claims abstract description 14
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims abstract description 13
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 65
- 239000007787 solid Substances 0.000 claims description 56
- 229960004756 ethanol Drugs 0.000 claims description 25
- 235000019441 ethanol Nutrition 0.000 claims description 25
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 22
- 239000007864 aqueous solution Substances 0.000 claims description 16
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 claims description 16
- 229960000935 dehydrated alcohol Drugs 0.000 claims description 14
- 238000001556 precipitation Methods 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 9
- 238000011084 recovery Methods 0.000 claims description 8
- 239000002699 waste material Substances 0.000 claims description 5
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 4
- 239000003513 alkali Substances 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 4
- 238000000746 purification Methods 0.000 claims description 4
- 239000008213 purified water Substances 0.000 claims description 3
- 229910000027 potassium carbonate Inorganic materials 0.000 claims description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 2
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims 3
- 229940079593 drug Drugs 0.000 claims 2
- 239000003814 drug Substances 0.000 claims 2
- 239000000463 material Substances 0.000 claims 1
- 239000000126 substance Substances 0.000 abstract description 10
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 abstract description 4
- 239000010842 industrial wastewater Substances 0.000 abstract description 2
- 239000010815 organic waste Substances 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 14
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical group [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 12
- 238000001035 drying Methods 0.000 description 11
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 6
- 239000005708 Sodium hypochlorite Substances 0.000 description 6
- 238000009835 boiling Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 5
- 238000001514 detection method Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000002957 persistent organic pollutant Substances 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000005660 chlorination reaction Methods 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 239000000706 filtrate Substances 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 239000005416 organic matter Substances 0.000 description 3
- 150000002897 organic nitrogen compounds Chemical class 0.000 description 3
- 238000000643 oven drying Methods 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000036571 hydration Effects 0.000 description 2
- 238000006703 hydration reaction Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- KMUONIBRACKNSN-UHFFFAOYSA-N potassium dichromate Chemical compound [K+].[K+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O KMUONIBRACKNSN-UHFFFAOYSA-N 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 239000007983 Tris buffer Substances 0.000 description 1
- 150000001350 alkyl halides Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000011790 ferrous sulphate Substances 0.000 description 1
- 235000003891 ferrous sulphate Nutrition 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
- ZFSLODLOARCGLH-UHFFFAOYSA-N isocyanuric acid Chemical compound OC1=NC(O)=NC(O)=N1 ZFSLODLOARCGLH-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910017464 nitrogen compound Inorganic materials 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
-
- 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/722—Oxidation by peroxides
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F2001/5218—Crystallization
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
- C02F2103/36—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/06—Controlling or monitoring parameters in water treatment pH
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/14—NH3-N
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/20—Total organic carbon [TOC]
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/29—Chlorine compounds
-
- 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
- C02F2301/04—Flow arrangements
- C02F2301/046—Recirculation with an external loop
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/02—Specific form of oxidant
- C02F2305/026—Fenton's reagent
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The invention belongs to technical field of waste water processing, and in particular to a kind of TGIC waste water treatment system and its treatment process.The processing system includes being concentrated by evaporation pond, analysis salt pond, kitchen sink, dissolving tank, dosing pond, oxidation pond and neutralization pond；The evaporation and concentration pond is sequentially connected with analysis salt pond and kitchen sink, the crystal salt outlet of the kitchen sink is connect respectively with dissolving tank and oxidation pond connection, dissolving tank is successively connect with dosing pond, oxidation pond and neutralization pond, and the discharge outlet of neutralization pond is connect with the water inlet for being concentrated by evaporation pond；The technique of the wastewater treatment, including be concentrated by evaporation, analyse salt, washing, dissolution, oxidation, neutralization.Processing system and treatment process provided by the invention can remove the harmful organic substance of inorganic salts and high concentration in high salt organic waste water, and ammonia nitrogen, COD value in reduction waste water make industrial wastewater meet national emission standard.
Description
Technical field
The invention belongs to technical field of waste water processing, and in particular to a kind of TGIC waste water treatment system and treatment process.
Background technique
TGIC is the abbreviation of triglycidyl isocyanurate, is white crystals or particle, be soluble in alkyl halide, acetone and
Benzene is slightly soluble in water and ethyl alcohol, is current most important powdery paints weatherability curing agent, is largely made in social life
With.
Compared with common epoxy resin, there is better heat resistance, caking property and excellent high-temperature electrical conductivity performance.TGIC
Structural formula it is as follows:
It can be generated in the existing production process of TGIC largely containing with high salt, organic poison waste water, wherein containing a large amount of
There are the organic substances such as the substance of threat, such as epoxy group to environment, if be directly discharged in environment, it will generation can not be estimated
The harm of amount.
Through retrieving, and document (processing method of tris isocyanurate waste water, yellow rose-tinted clouds etc., " environmental protection ", 1992
12 phases) disclose a kind of method of coagulant precipitation-chemical oxidation-active carbon adsorption processing TGIC waste water.Through this method three-level
The indices of treated waste water reach National Industrial wastewater discharge standard, but the processing method is only applicable to old TGIC
Production technology, and the TGIC process for cleanly preparing after upgrading can not be suitable for.
Summary of the invention
In order to solve the above problem in the prior art, that one of the objects of the present invention is to provide a kind of operating costs is small,
High-efficient TGIC waste water treatment system.Another goal of the invention of the invention is to provide a kind of to be carried out using the processing system
The technique of wastewater treatment.
To achieve the goals above, one of technical solution of the invention are as follows:
A kind of TGIC waste water treatment system comprising be concentrated by evaporation pond, analysis salt pond, kitchen sink, dissolving tank, dosing pond, oxygen
Change pond and neutralization pond；
The evaporation and concentration pond with analysis salt pond and kitchen sink be sequentially connected, the kitchen sink set there are two crystal salt be discharged
Mouthful, respectively the first crystal salt outlet and the second crystal salt outlet, the first crystal salt outlet are connect with dissolving tank,
The dissolving tank is successively connect with dosing pond, oxidation pond and neutralization pond, and the oxidation pond is equipped with crystal salt feed inlet, the crystallization
Salt feed inlet is connect with the second crystal salt outlet of the kitchen sink, and the neutralization pond is equipped with recycle-water discharge outlet and purified water
Discharge outlet, the recycle-water discharge outlet are connect with the water inlet for being concentrated by evaporation pond.
Another technical solution of the invention are as follows: a kind of TGIC waste water treatment system comprising be concentrated by evaporation pond, analysis salt
Pond, dissolving tank, dosing pond, oxidation pond, neutralization pond, is concentrated by evaporation pond II, analysis salt pond II and kitchen sink II, the steaming at kitchen sink
Hair concentration basin, analysis salt pond, kitchen sink, dissolving tank, dosing pond and oxidation pond are sequentially connected, the neutralization pond and evaporation and concentration pond
II, it analyses salt pond II and kitchen sink II to be sequentially connected, the oxidation pond is additionally provided with crystal salt feed inlet, and the kitchen sink II is equipped with the
Second crystal salt outlet of two crystal salt outlets, the kitchen sink II is connect with the crystal salt feed inlet of the oxidation pond,
The neutralization pond is equipped with recycle-water discharge outlet and water purification discharge outlet, the recycle-water discharge outlet of the neutralization pond and evaporation and concentration pond II
Water inlet connection.
Further, the processing system further includes ethyl alcohol recovery pond,
The ethyl alcohol recovery pond is equipped with feed inlet and two discharge ports, the waste liquid outlet of the feed inlet and analysis salt pond II
Connection, described two discharge ports are connect with the feed inlet in analysis salt pond and kitchen sink respectively.
The ethyl alcohol recovery pond is used to recycle the ethyl alcohol in analysis salt pond and kitchen sink discharge, and circulation is for analysing salt pond after distilling
And kitchen sink.
Further, the kitchen sink is externally provided with drying box, for the sample after dry washing.
Further, liquidometer, pH meter are equipped in the neutralization pond, automatic alkali adding in the oriented neutralization pond of neutralization pond peripheral hardware
Liquid alkaline automatic chemical dosing device.The automatic chemical dosing device controls the amount for adding alkali to neutralization pond by metering pump.
Another technical solution of the invention are as follows: the technique that wastewater treatment is carried out using above-mentioned TGIC waste water treatment system,
Include the following steps:
S1 is concentrated by evaporation
S2 analyses salt: dehydrated alcohol is added into the waste water after evaporation and concentration makes it that solid salt be precipitated；
S3 washing, dissolution: it is dissolved in water after the solid salt of precipitation is washed with dehydrated alcohol；
S4 oxidation: hypochlorite is added into step S3 dissolution obtained aqueous solution and light Fenton oxidation agent is aoxidized；
S5 is neutralized: the waste water after oxidation being neutralized to 7-7.5 or so with lye, through examining, if the ammonia nitrogen in waste water does not surpass
Cross 8mg/L, COD value is no more than 50mg/L and is then expelled directly out；Otherwise, by after neutralization waste water repeat step be concentrated by evaporation, analysis salt,
Washing, oxidation.
Further, waste water is heated to being boiling for reaching saturation to waste water salt content in step S1, that is, stops adding
Heat.
Further, the ratio of the ethyl alcohol from step S2 to the waste water after concentration and waste water that are added in are as follows: ethyl alcohol: waste water
Volume ratio 3-8:1；The ratio of ethyl alcohol and waste water, influences the dissolubility of salt in dampening, and test result shows when ethyl alcohol and waste water
When ratio is less than 3:1, Chlorine in Solution ion concentration fall is small, and the removal rate of salt is low in water, is unable to satisfy actual production
It needs；When aforementioned proportion is greater than 8:1, the amount of dissolution of solid salt is smaller, and the utilization rate of reagent alcohol is low, results in waste of resources.
Further, the ratio of the ethyl alcohol from step S2 to the waste water after concentration and waste water that are added in is ethyl alcohol: waste water
Volume ratio 3-5:1.
Further, the pH value of waste water is adjusted in step S2 to 5-9.5, is still more preferably 7-9.5.
Further, step S2 be precipitated solid salt through filter and will filter solid is dried, drying temperature 90-
115 DEG C, the time is 2-5 hours；Further, the drying temperature is 100-115 DEG C, and the time is 2-3 hours.
Further, ratio when step S3 is washed between dehydrated alcohol and solid salt is 12-8:1mL/g；
The number when washing is 2-5 times, 2-5 hours dry in 90-115 DEG C after washing.
First solid to be ground before being washed, the size of solid sample particles can have an impact washing effect,
The smaller washing effect of particle is better.Washing process can remove the large amount of organic in solid salt.
Further, the mass concentration that obtained aqueous solution is dissolved in step S3 is 20-30%.
Further, the amount that hypochlorite is added in step S4 is 0.01-0.2mol/L；It is still more preferably 0.06-
0.1mol/L.The hypochlorite is sodium hypochlorite.
Further, the concrete operations that the agent of light Fenton oxidation carries out oxidation processes are added in step S4 are as follows: time chlorine will be added
Hydrochlorate reacted after water sample, being reconciled with 10% hydrochloric acid to pH is 2-4, be added H2O2And ferrous sulfate, in the irradiation of ultraviolet light
Lower reaction 30-80min；Wherein H2O2With Fe2+Molar ratio is 8-10:1, H2O2Additional amount be water sample 1-5 volume %.
Further, the mass concentration of lye described in step S5 is 20-30%, and the alkali is sodium hydroxide, hydrogen-oxygen
Change potassium, sodium carbonate or potassium carbonate.
Further, step S5 is neutralized: the waste water after oxidation being neutralized to 7-7.5 or so with lye, through examining, if waste water
In ammonia nitrogen be no more than 8mg/L, COD value be no more than 50mg/L, TOC value be no more than 5mg/L, chloride ion be no more than 1mg/L, then directly
Run in out；Otherwise, the waste water after neutralization is repeated into step evaporation and concentration, analysis salt, washing, oxidation.
Compared with prior art, TGIC waste water treatment system provided by the invention and its treatment process have following beneficial to effect
Fruit:
(1) dosing pond and oxidation pond is arranged in TGIC waste water treatment system provided by the invention after analysing salt, further removes
Organic pollutant such as ammonia nitrogen compound, TOC, COD and chloride ion etc. in waste water avoid conventional treatment systems and (are concentrated by evaporation
Pond-analysis salt pond-enters garden burning) by the way that the solid combustion after analysis salt is polluted caused by air.
(2) waste water can be completely removed by continuing with waste water return evaporation and concentration pond not up to standard after neutralization pond
In all contaminants, guarantee the treatment effeciency of waste water；Discharge water after processing can reach country-level emission standard A.
Detailed description of the invention
Fig. 1 is the flow diagram for the TGIC waste water treatment system that embodiment 1 provides.
Fig. 2 is the flow diagram for the TGIC waste water treatment system that embodiment 2 provides.
Specific embodiment
To keep purpose and the technical solution of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention, to this
The technical solution of invention is clearly and completely described.Unless otherwise instructed, it is before wastewater treatment described in the embodiment of the present invention
High salt organic waste water is 28850mg/L, ammonia nitrogen 456.24mg/L, COD 3000mg/L, Cl through detection TOC-For
(detection method is respectively chloride ion to 126160mg/L: sulfuric acid argentometry；COD: potassium dichromate method；Ammonia nitrogen: Na's reagent；
TOC: total organic carbon analyzer).
Embodiment 1
According to Fig. 1, a kind of TGIC waste water treatment system, including be concentrated by evaporation pond, analysis salt pond, kitchen sink, dissolving tank,
Dosing pond, oxidation pond and neutralization pond, it is dirty that the evaporation and concentration pond is equipped with plant effuent water inlet, secondary sewage inlet and concentration
Water discharge outlet, the concentrated sewage effluent in the evaporation and concentration pond are successively connect with analysis salt pond and kitchen sink, and the kitchen sink is set
There are two crystal salt outlet, respectively the first crystal salt outlet and the second crystal salt outlet, the first crystal salt row
Outlet is connect with dissolving tank, and the dissolving tank is successively connect with dosing pond, oxidation pond and neutralization pond, and the oxidation pond is equipped with crystallization
Salt feed inlet, the crystal salt feed inlet are connect with the second crystal salt outlet of the kitchen sink, and the neutralization pond is equipped with back
Water discharge outlet and purified water discharge outlet are received, the recycle-water discharge outlet and the secondary sewage inlet for being concentrated by evaporation pond connect
It connects.
Waste water can be heated to boiling by the evaporation and concentration pond for being evaporated concentration to the TGIC waste water that factory is discharged
It rises, evaporation removes moisture therein to there is crystalline solid precipitation.
Analysis salt pond is used to the waste water after being concentrated by evaporation solid salt is precipitated in the case where dehydrated alcohol is added；The analysis salt
It include that filter device and drying device are successively filtered the solid salt of precipitation, dry in pond.
Kitchen sink is used to wash the solid salt that analysis salt pond is precipitated, and removes the organic matter on solid salt surface；It is described to wash
Washing in pond includes that grinding device is used to carry out the solid before washing to be ground into little particle, improves washing effect；It further include drying
Device, for the solid after dry washing.
Dissolving tank is made into aqueous solution for dissolving the solid salt of precipitation；Preferably, the dissolving tank further includes adding
Thermal and agitating device improve rate of dissolution to carry out heating or stirring appropriate in course of dissolution.
Dosing pond is for hypochlorite, preferably sodium hypochlorite to be added into dissolved waste water, for removing in waste water
Ammonia and organic nitrogen compound.
Oxidation pond is used to carry out the processing of light Fenton oxidation to waste water, to remove the organic pollutants such as COD, TOC in waste water.
It is 7-7.5 or so that neutralization pond, which is used to for the waste water after oxidation processes being neutralized to pH,.
Embodiment 2
According to Fig.2, a kind of TGIC waste water treatment system, including be concentrated by evaporation pond, analysis salt pond, kitchen sink, dissolving tank,
Dosing pond, oxidation pond and neutralization pond are concentrated by evaporation pond II, analysis salt pond II and kitchen sink II, the evaporations and concentration pond, analyse salt pond,
Kitchen sink, dissolving tank, dosing pond, oxidation pond, neutralization pond, be concentrated by evaporation pond II, analysis salt pond II and kitchen sink II by Fig. 2 sequence according to
Secondary connection, the neutralization pond are equipped with recycle-water discharge outlet and water purification discharge outlet, the recycle-water discharge outlet and evaporation of the neutralization pond
The water inlet of concentration basin II connects, and the oxidation pond is equipped with crystal salt feed inlet, and the kitchen sink and kitchen sink II are respectively equipped with
First crystal salt outlet of the first crystal salt outlet and the second crystal salt outlet, the kitchen sink is connect with dissolving tank,
Second crystal salt outlet of the kitchen sink II is connect with the crystal salt feed inlet of the oxidation pond.
Waste water can be heated to boiling, evaporation removes by the evaporation and concentration pond for being evaporated concentration to TGIC waste water
Moisture therein is to there is crystalline solid precipitation.
Analysis salt pond is used to the waste water after being concentrated by evaporation solid salt is precipitated in the case where dehydrated alcohol is added；The analysis salt
It include that filter device and drying device are successively filtered the solid salt of precipitation, dry in pond.
Kitchen sink is used to wash the solid salt that analysis salt pond is precipitated, and removes the organic matter on solid salt surface；It is described to wash
Washing in pond includes that grinding device is used to carry out the solid before washing to be ground into little particle, improves washing effect；It further include drying
Device, for the solid after dry washing.
Dissolving tank is made into aqueous solution for dissolving the solid salt of precipitation；Preferably, the dissolving tank further includes adding
Thermal and agitating device improve rate of dissolution to carry out heating or stirring appropriate in course of dissolution.
Dosing pond is for hypochlorite, preferably sodium hypochlorite to be added into dissolved waste water, for removing in waste water
Ammonia and organic nitrogen compound.
Oxidation pond is used to carry out the processing of light Fenton oxidation to waste water, to remove the organic pollutants such as COD, TOC in waste water.
It is 7-7.5 or so that neutralization pond, which is used to for the waste water after oxidation processes being neutralized to pH,.
In the present embodiment, it is concentrated by evaporation pond II, analysis salt pond II and kitchen sink II and is concentrated by evaporation pond, analysis salt pond, kitchen sink
Apparatus structure is identical, on the one hand be concentrated by evaporation pond II, analysis salt pond II and kitchen sink II can mitigate be concentrated by evaporation pond, analysis salt pond,
The load of kitchen sink, and can be with mutual backup, it is not necessary to the problem of worrying maintenance and stopping production.
Embodiment 3
A kind of TGIC waste water treatment system, including it is concentrated by evaporation pond, analysis salt pond, kitchen sink, dissolving tank, dosing pond, oxidation
Pond and neutralization pond are concentrated by evaporation pond II, analysis salt pond II and kitchen sink II, the evaporation and concentration pond, analysis salt pond, kitchen sink, dissolution
Pond, dosing pond, oxidation pond, neutralization pond, be concentrated by evaporation pond II, analysis salt pond II and kitchen sink II be sequentially connected in order, it is described in
There is no recycle-water discharge outlet and water purification discharge outlet, the recycle-water discharge outlet of the neutralization pond and the water inlet for being concentrated by evaporation pond II with pond
Mouth connection, the oxidation pond are equipped with crystal salt feed inlet, and the kitchen sink and kitchen sink II are respectively equipped with the discharge of the first crystal salt
Mouth and the second crystal salt outlet, the first crystal salt outlet of the kitchen sink are connect with dissolving tank, the kitchen sink II
Second crystal salt outlet is connect with the crystal salt feed inlet of the oxidation pond.
The processing system further includes ethyl alcohol recovery pond, and the ethyl alcohol recovery pond is equipped with feed inlet and two discharge gates, described
Feed inlet is connect with the waste liquid outlet in analysis salt pond II, and described two discharge gates feed with the ethyl alcohol of analysis salt pond and kitchen sink respectively
Mouth connection.
The ethyl alcohol recovery pond can be used for recycling ethyl alcohol from the waste liquid that analysis salt pond II is discharged, and again by the ethyl alcohol after distillation
Analysis salt pond and kitchen sink is added.
Waste water can be heated to boiling, evaporation removes by the evaporation and concentration pond for being evaporated concentration to TGIC waste water
Moisture therein is to there is crystalline solid precipitation.
Analysis salt pond is used to the waste water after being concentrated by evaporation solid salt is precipitated in the case where dehydrated alcohol is added；The analysis salt
It include that filter device and drying device are successively filtered the solid salt of precipitation, dry in pond.
Kitchen sink is used to wash the solid salt that analysis salt pond is precipitated, and removes the organic matter on solid salt surface；It is described to wash
Washing in pond includes that grinding device is used to carry out the solid before washing to be ground into little particle, improves washing effect；It further include drying
Device, for the solid after dry washing.
Dissolving tank is made into aqueous solution for dissolving the solid salt of precipitation；Preferably, the dissolving tank further includes adding
Thermal and agitating device improve rate of dissolution to carry out heating or stirring appropriate in course of dissolution.
Dosing pond is for hypochlorite, preferably sodium hypochlorite to be added into dissolved waste water, for removing in waste water
Ammonia and organic nitrogen compound.
Oxidation pond is used to carry out the processing of light Fenton oxidation to waste water, to remove the organic pollutants such as COD, TOC in waste water.
It is 7-7.5 or so that neutralization pond, which is used to for the waste water after oxidation processes being neutralized to pH,.
In the present embodiment, it is concentrated by evaporation pond II, analysis salt pond II and kitchen sink II and is concentrated by evaporation pond, analysis salt pond, kitchen sink
Apparatus structure is identical, on the one hand be concentrated by evaporation pond II, analysis salt pond II and kitchen sink II can mitigate be concentrated by evaporation pond, analysis salt pond,
The load of kitchen sink, and can be with mutual backup, it is not necessary to the problem of worrying maintenance and stopping production.
Embodiment 4
A kind of technique being carried out wastewater treatment using TGIC waste water treatment system, is included the following steps:
S1 is concentrated by evaporation
TGIC waste water is heated to boiling, is boiled after 30min, waste water salt content reaches saturation, i.e. stopping heating evaporation is dense
The process of contracting；
S2 analyses salt
Into the waste water after evaporation and concentration with ethyl alcohol: dehydrated alcohol is added in the ratio of the volume ratio 3:1 of waste water, is sufficiently mixed
The pH value of solution is adjusted afterwards to 9.5, makes it that solid salt be precipitated；It is filtered to remove filtrate and retains the solid being precipitated, solid sample is existed
In 105 DEG C of baking ovens after drying 2 hours, the solid salt of 2.4g/10mL liquid is obtained；
S3 washing, dissolution
Obtained by step S2 it is dry after solid sample pulverize it is last, with 10mL dehydrated alcohol: 1g dry solid sample
Ratio is washed, after washing 4 times repeatedly, with 105 DEG C oven drying 2 hours, the solid after washing is dissolved in water to obtain quality
The aqueous solution that concentration is 25%；
S4 oxidation
After the NaClO solution of 0.07mol/L to be added in break point chlorination normal direction step S2 obtained aqueous solution, 30min is stirred,
Wherein, the additional amount of NaClO is 0.06mol/L aqueous solution；
By be added sodium hypochlorite reaction it is complete after water sample, be added 10% hydrochloric acid tune pH to 3, H be added2O2With seven hydration sulphur
It is sour ferrous, 60min is reacted under the irradiation of ultraviolet light；Wherein H2O2With Fe2+Molar ratio is 8:1, H2O2Additional amount be water sample
3 volume %；
S5 is neutralized
Waste water after oxidation is neutralized to 7.5 or so with 30% sodium hydroxide solution, through detecting, the waste water that is finally discharged
Ammonia nitrogen value, COD value reach level-one A standard as defined in national GB18918-2002F.
The Concentration Testing result of each substance is as follows: COD concentration is less than 30mg/L；TOC concentration is less than 3mg/L；Ammonia nitrogen concentration
Less than 4.5mg/L；Cl-Concentration is less than 1mg/L.
Embodiment 5
A kind of technique being carried out wastewater treatment using TGIC waste water treatment system, is included the following steps:
S1 is concentrated by evaporation
TGIC waste water is heated to boiling, is boiled after 30min, waste water salt content reaches saturation, i.e. stopping heating evaporation is dense
The process of contracting；
S2 analyses salt
Into the waste water after evaporation and concentration with ethyl alcohol: dehydrated alcohol is added in the ratio of the volume ratio 8:1 of waste water, is sufficiently mixed
The pH value of solution is adjusted afterwards to 7.5, it is made to make it that solid salt be precipitated；It is filtered to remove filtrate and retains the solid being precipitated, by solid-like
After product are 2 hours dry in 105 DEG C of baking ovens, the solid salt of 2g/10mL liquid is obtained；
S3 washing, dissolution
Obtained by step S2 it is dry after solid sample pulverize it is last, with 10mL dehydrated alcohol: 1g dry solid sample
Ratio is washed, repeatedly wash 2 times after, with 90 DEG C oven drying 3 hours, by the solid after washing be dissolved in water quality is dense
The aqueous solution that degree is 30%；
S4 oxidation
After the NaClO solution of 0.09mol/L to be added in break point chlorination normal direction step S2 obtained aqueous solution, 30min is stirred；
Wherein, the additional amount of NaClO is the every L aqueous solution of 0.06mol；
By be added sodium hypochlorite reaction it is complete after water sample, be added 10% hydrochloric acid tune pH to 3, H be added2O2With seven hydration sulphur
It is sour ferrous, 60min is reacted under the irradiation of ultraviolet light；Wherein H2O2With Fe2+Molar ratio is 10:1, H2O2Additional amount be water sample
5 volume %；
S5 is neutralized
By the waste water after oxidation with 20% sodium hydroxide solution be neutralized to 7.2 or so repeat steps be concentrated by evaporation, analysis salt,
Discharge after washing, oxidation are primary.
Through detecting, the waste water being finally discharged reaches level-one A standard as defined in national GB18918-2002F, wherein COD is dense
Degree is less than 40mg/L；TOC concentration is less than 5mg/L；Ammonia nitrogen concentration is less than 4mg/L； Cl-Concentration is less than 1mg/L.
Embodiment 6
A kind of technique being carried out wastewater treatment using TGIC waste water treatment system, the difference with embodiment 3 are:
The operation that step S2 analyses salt is as follows:
Into the waste water after evaporation and concentration with ethyl alcohol: dehydrated alcohol is added in the ratio of the volume ratio 15:1 of waste water, sufficiently mixed
The pH value of solution is adjusted after conjunction to 6, makes it that solid salt be precipitated；It is filtered to remove filtrate and retains the solid being precipitated, solid sample is existed
In 105 DEG C of baking ovens after drying 2 hours, the solid salt of 1.5g/10mL liquid is obtained.
The content detection result of each substance in the waste water being finally discharged are as follows: COD concentration is less than 50mg/L；TOC concentration is less than
7mg/L；Ammonia nitrogen concentration is less than 7mg/L；Cl-Concentration is less than 10mg/L.
Comparative example 1
A kind of technique being carried out wastewater treatment using TGIC waste water treatment system, the difference with embodiment 3 are: step
S4 oxidation operation is as follows:
After the NaClO solution of 0.07mol/L to be added in break point chlorination normal direction step S2 obtained aqueous solution, 30min is stirred；
Wherein, the additional amount of NaClO is 0.06mol/L aqueous solution.
The content detection result of each substance in the waste water being finally discharged are as follows: COD concentration is 650mg/L；TOC concentration is
7790mg/L；Ammonia nitrogen concentration is 45mg/L；Cl-Concentration is 17mg/L.
Comparative example 2
A kind of technique being carried out wastewater treatment using TGIC waste water treatment system, the difference with embodiment 3 are: step
S3 washing, the operation of dissolution are as follows:
Obtained by step S2 it is dry after solid sample pulverize it is last, it is molten with ethyl alcohol that 10mL concentration is 90% (v/v)
Liquid: the ratio of 1g dry solid sample is washed, repeatedly wash 4 times after, with 105 DEG C oven drying 2 hours, by consolidating after washing
Body be dissolved in water mass concentration be 25% aqueous solution.
The content detection result of each substance in the waste water being finally discharged are as follows: COD concentration is 67mg/L；TOC concentration is 8mg/
L；Ammonia nitrogen concentration is 8mg/L；Cl-Concentration is 100910mg/L.
The above is only embodiments of the present invention, and the description thereof is more specific and detailed, and but it cannot be understood as right
The limitation of the invention patent range.It should be pointed out that for those of ordinary skill in the art, not departing from the present invention
Under the premise of design, various modifications and improvements can be made, these are all belonged to the scope of protection of the present invention.
Claims (10)
1. a kind of TGIC waste water treatment system, which is characterized in that including being concentrated by evaporation pond, analysis salt pond, kitchen sink, dissolving tank, adding
Medicine pond, oxidation pond and neutralization pond；
The evaporation and concentration pond is sequentially connected with analysis salt pond and kitchen sink, and the kitchen sink is set there are two crystal salt outlet, point
Not Wei the first crystal salt outlet and the second crystal salt outlet, the first crystal salt outlet is connect with dissolving tank, described
Dissolving tank is successively connect with dosing pond, oxidation pond and neutralization pond, the oxidation pond be equipped with crystal salt feed inlet, the crystal salt into
Material mouth is connect with the second crystal salt outlet of the kitchen sink, and the neutralization pond is equipped with recycle-water discharge outlet and purified water drains
Mouthful, the recycle-water discharge outlet is connect with the water inlet for being concentrated by evaporation pond.
2. a kind of TGIC waste water treatment system, which is characterized in that including being concentrated by evaporation pond, analysis salt pond, kitchen sink, dissolving tank, adding
Medicine pond, neutralization pond, is concentrated by evaporation pond II, analysis salt pond II and kitchen sink II, the evaporation and concentration pond, analysis salt pond, washing at oxidation pond
Pond, dissolving tank, dosing pond and oxidation pond are sequentially connected, the neutralization pond and evaporation and concentration pond II, analysis salt pond II and kitchen sink II
It is sequentially connected, the oxidation pond is additionally provided with crystal salt feed inlet, and the kitchen sink II is equipped with the second crystal salt outlet, described to wash
The the second crystal salt outlet for washing pond II is connect with the crystal salt feed inlet of the oxidation pond, and the neutralization pond is arranged equipped with recycle-water
The mouth of a river and water purification discharge outlet, the recycle-water discharge outlet of the neutralization pond are connect with the water inlet for being concentrated by evaporation pond II.
3. processing system according to claim 2, the processing system further includes ethyl alcohol recovery pond,
The ethyl alcohol recovery pond is equipped with feed inlet and two discharge ports, the waste liquid outlet company of the feed inlet and analysis salt pond II
It connects, described two discharge ports are connect with the feed inlet in analysis salt pond and kitchen sink respectively.
4. a kind of technique that wastewater treatment is carried out using TGIC waste water treatment system as claimed in any one of claims 1-3,
Include the following steps:
S1 is concentrated by evaporation
S2 analyses salt: dehydrated alcohol is added into the waste water after evaporation and concentration makes it that solid salt be precipitated；
S3 washing, dissolution: it is dissolved in water after the solid salt of precipitation is washed with dehydrated alcohol；
S4 oxidation: hypochlorite is added into step S3 dissolution obtained aqueous solution and light Fenton oxidation agent is aoxidized；
S5 is neutralized: the waste water after oxidation being neutralized to pH 7-7.5 or so with lye, through examining, if the ammonia nitrogen in waste water is no more than
8mg/L, COD value are no more than 50mg/L and are then expelled directly out；Otherwise, the waste water after neutralization repeated into step evaporation and concentration, analysis salt, washed
It washs, aoxidize.
5. technique according to claim 4, the ratio of the ethyl alcohol from step S2 to the waste water after concentration and waste water that are added in
For ethyl alcohol: the volume ratio 3-8:1 of waste water.
6. technique according to claim 4, the pH value of waste water is adjusted in step S2 to 5-9.5.
7. technique according to claim 4, ratio when step S3 is washed between dehydrated alcohol and solid salt is 8-12:
1mL/g, the number when washing is 2-5 times, 2-5 hours dry in 90-115 DEG C after washing.
8. technique according to claim 4, the mass concentration that obtained aqueous solution is dissolved in step S3 is 20-30%.
9. technique according to claim 4, the amount that hypochlorite is added in step S4 is 0.01-0.2mol/L.
10. technique according to claim 4, the mass concentration of lye described in step S5 is 20-30%, and the alkali is
Sodium hydroxide, potassium hydroxide, sodium carbonate or potassium carbonate.
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| CN112159019A (en) * | 2020-10-12 | 2021-01-01 | 石家庄新奥环保科技有限公司 | Treatment method of high-salt high-COD wastewater |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112159019A (en) * | 2020-10-12 | 2021-01-01 | 石家庄新奥环保科技有限公司 | Treatment method of high-salt high-COD wastewater |
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