CN106746254A - TNT produces the processing method of waste water - Google Patents
TNT produces the processing method of waste water Download PDFInfo
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- CN106746254A CN106746254A CN201611255515.1A CN201611255515A CN106746254A CN 106746254 A CN106746254 A CN 106746254A CN 201611255515 A CN201611255515 A CN 201611255515A CN 106746254 A CN106746254 A CN 106746254A
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- Prior art keywords
- waste water
- sedimentation basin
- iron zinc
- composite powder
- solid
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- 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
- C02F1/66—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
- C02F1/70—Treatment of water, waste water, or sewage by reduction
- C02F1/705—Reduction by metals
-
- 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
- C02F2001/007—Processes including a sedimentation step
-
- 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
- C02F2003/001—Biological treatment of water, waste water, or sewage using granular carriers or supports for the microorganisms
-
- 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
- C02F2003/001—Biological treatment of water, waste water, or sewage using granular carriers or supports for the microorganisms
- C02F2003/003—Biological treatment of water, waste water, or sewage using granular carriers or supports for the microorganisms using activated carbon or the like
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- 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
-
- 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
- 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
- C02F2303/00—Specific treatment goals
- C02F2303/24—Separation of coarse particles, e.g. by using sieves or screens
-
- 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
- C02F3/02—Aerobic processes
-
- 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
- C02F3/28—Anaerobic digestion processes
-
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The processing method of the TNT production generation waste water that the present invention is introduced includes acid waste water and alkaline waste water mixing, separation of solid and liquid, CO2The operations such as the reduction of pressurization iron zinc composite powder, anaerobism, the treatment of aerobic and biological filtering tower combined working, the waste water after treatment can stably reaching standard discharge.
Description
Technical field
A kind of processing method of the waste water produced the present invention relates to TNT productions.
Background technology
TNT is a kind of explosive, is dual-use product.The organic waste water pollutant COD concentration that its production is produced is high, into
Divide complexity, intractability is big.If the waste water is not processed is directly discharged into environment, severe contamination will be caused to environment.TNT productions are produced
Two kinds of waste water, one kind is acid waste water, and another kind is alkaline waste water.The processing method of current acid waste water is mainly biological place
Reason.Due to containing nitrobenzene compounds in waste water, the toxicity to microorganism is very big, influences biological treatment effect, and waste water is difficult to
Stably reaching standard is discharged.The processing method of current alkaline waste water is mainly burning method, due to containing a large amount of nitrobenzenes in waste water
Compound, produces a large amount of NO during burningx, severe contamination atmospheric environment.Exploitation secondary pollution is small, the TNT lifes of energy stably reaching standard discharge
The processing method for producing waste water has larger practical value.
The content of the invention
For the problem of current TNT production wastewater treatments method, the purpose of the present invention is that searching secondary pollution is small, can stablize
The TNT of qualified discharge produces the processing method of waste water, it is characterised in that the acid waste water and alkaline waste water for producing TNT productions are mixed
Close, mixed waste water enters sedimentation basin, and sedimentation basin has regulatory function concurrently.Sedimentation time is 1h~3h.Irregularly from sedimentation basin
Middle extraction sludge is filtered.Filter cake makees dangerous disposition of solid waste.Filtrate returns to sedimentation basin.The supernatant waste water of sedimentation basin send
Enter voltage-resistant reactor, cleaning iron zinc composite powder is added into reactor, and be passed through industrial CO2Reacted, the grain of iron zinc composite powder
Degree is less than 180 mesh, and the content of every kind of metal is not less than 5% in iron zinc composite powder(The iron zinc composite powder that return is used is not limited
System), every liter of waste water addition iron zinc composite powder 15g~40g, the stirring reaction time is 2h~4h, and reaction temperature is 25 DEG C~60 DEG C,
CO2Pressure be 0.3MPa~1.0MPa.Reacted waste water carries out solid-liquor separation, and the iron zinc composite powder isolated returns to reaction
Device.Waste water milk of lime or other alkaline matters after solid-liquor separation adjust its pH value to 7.0~8.5, subsequently into sedimentation basin
Precipitation 1h~3h, irregularly extracts sludge out from sedimentation basin and is filtered, and filter cake makees dangerous disposition of solid waste, and filtrate returns
Sedimentation basin.The supernatant waste water of sedimentation basin send anaerobic reactor.Waste water stops 24h~120h in anaerobic reactor, and anaerobism temperature is
25 DEG C~55 DEG C.Into the treatment of biology aerobic pond normal temperature, the Aerobic Process for Treatment time is 6h~16h to waste water after anaerobism.Aerobic Process for Treatment
Waste water afterwards enters sedimentation basin and precipitates 1h~3h, irregularly extracts sludge out from sedimentation basin and is filtered, and filter cake makees dangerous solid
Waste treatment, filtrate returns to Aerobic Pond.The supernatant waste water of sedimentation basin send multi-layer biological filter tower to process.The filler of biological filtering tower combined working is
Activated carbon or porous ceramic grain, are 1.0m~2.0m per thickness degree, and gross thickness is 2m~6m.The dominant bacteria of biological filtering tower combined working is photosynthetic
Red pseudomonas in bacterium(Rhodopseudomonas).The hydraulic load of biological filtering tower combined working is 30 m3/m2.d~90m3/
m2.d.The standard water discharge discharge or reuse of biological filtering tower combined working.
The object of the present invention is achieved like this, after the acid waste water and alkaline waste water that TNT productions are produced mix, waste water meeting
Generation acid precipitation reaction.The solid matter contained in itself in the sediment and waste water that are produced in order to avoid acid precipitation reaction is compound to iron zinc
Powder reduction has a negative impact, and is also beneficial to unreacted iron zinc composite powder and recycles, therefore carries out separation of solid and liquid to it.It is useless
After water enters iron zinc composite powder reduction reactor, the larger molecular organicses in waste water, particularly nitrobenzene matters pass through iron zinc
Composite powder reduces the effect of the strong reduction free radical for producing and destroys, and substantially reduces toxicity of the waste water to microorganism, is follow-up life
Change treatment creates favorable conditions.It is passed through pressure CO2Purpose be to maintain iron zinc composite powder to reduce suitable pH value(2.0~5.0),
Waste water milk of lime or other alkaline matters after reduction adjust its pH value, to meet the requirement of follow-up anaerobic and aerobic process.
Through the waste water of aforementioned processing in anaerobic processes, by the effect of microorganism, larger molecular organicses further become small molecule to be had
Machine thing, is that more favorable condition is created in subsequent bio oxidation.Processed by biological oxidation, remaining most of organic matters are removed,
The pollutant such as remove to denitrogenate simultaneously.Waste water finally enters activated carbon or porous ceramic grain biological filtering tower combined working, in microorganism, particularly red false list
In the presence of born of the same parents bacterium, the pollutant such as further organics removal and nitrogen, it is ensured that the waste water stably reaching standard discharge after treatment.
Relative to existing method, the present invention is greatly reduced useless using iron zinc composite powder reduction destruction nitrobenzene matters
Water greatly improves the biodegradability energy of waste water to the toxicity of microorganism;Relative to now widely used destruction nitrobenzene
The method of material(Iron-carbon micro-electrolysis, metal powder reduction, Fenton methods etc.), outstanding advantages of the invention are to use CO2Instead of mesh
Preceding widely used sulfuric acid makees acidulant, does not introduce SO4 2-Ion, largely reducing generation H2The material base of S(TNT productions are useless
Water contains S), so as to significantly reduce H2The pollution of S, while also mitigating SO4 2-Suppression to microorganism during anaerobic and aerobic
Effect, greatly improves the efficiency of biological treatment, it is ensured that the waste water energy stably reaching standard discharge after treatment;Pot is all had in TNT factories
Stove, the CO that fuel combustion is produced2Waste gas can make full use of, and can not only reduce processing cost, and can reduce carbon emission, have
Obvious economic benefit and environmental benefit.
Specific implementation method
Embodiment 1:1m is processed daily3TNT mixture manufacturing waste water(Composition: CODCr7100mg/L, nitrobenzene matters 835mg/
L、pH6.3), reduced through separation of solid and liquid, iron zinc composite powder(2h、40℃、CO2Pressure 0.6MPa, every liter of waste water add iron zinc to be combined
Powder 30g), anaerobism(PH8.5,96h, 25 DEG C~35 DEG C), it is aerobic(12h)And biological filtering tower combined working(Porous ceramic grain packing layer gross thickness 4m,
Hydraulic load 90m3/m2.d)The COD of water outlet after treatmentCrIt is 58mg/L, nitrobenzene 0.9mg/L, BOD59mg/L, pH7.0, color
Degree 15.
Embodiment 2:5m is processed daily3Mixture manufacturing waste water(Composition: CODCr7100mg/L, nitrobenzene matters
835mg/L、pH6.3), reduced through iron zinc composite powder(4h、25℃、CO2Pressure 0.3MPa, every liter of waste water add iron zinc composite powder
15g), anaerobism(PH7.0,24h, 35 DEG C~55 DEG C), it is aerobic(6h)And biological filtering tower combined working(Active carbon filler layer gross thickness 2m, waterpower
Load 40m3/m2.d)The COD of water outlet after treatmentCrIt is 62mg/L, nitrobenzene 1.1mg/L, BOD511mg/L, pH6.9, colourity
24。
Claims (1)
1. a kind of TNT produces the processing method of the waste water for producing, it is characterised in that the acid waste water and alkalescence for producing TNT productions
Waste water mixes, and mixed waste water enters sedimentation basin, and sedimentation basin has regulatory function concurrently, and the sedimentation time is 1h~3h, irregularly from
Extract sludge in sedimentation basin out to be filtered, filter cake makees dangerous disposition of solid waste, filtrate returns to sedimentation basin, the supernatant of sedimentation basin
Waste water sends into voltage-resistant reactor, cleaning iron zinc composite powder is added into reactor, and be passed through industrial CO2Reacted, iron zinc is combined
The granularity of powder is less than 180 mesh, and the content of every kind of metal is not less than 5% in iron zinc composite powder, and every liter of waste water adds iron zinc composite powder
15g~40g, the stirring reaction time be 2h~4h, reaction temperature be 25 DEG C~60 DEG C, CO2Pressure be 0.3MPa~1.0MPa,
Reacted waste water carries out solid-liquor separation, the iron zinc composite powder Returning reactor isolated, the waste water lime after solid-liquor separation
Breast or other alkaline matters adjust its pH value to 7.0~8.5,1h~3h are precipitated subsequently into sedimentation basin, irregularly from sedimentation basin
Middle extraction sludge is filtered, and filter cake makees dangerous disposition of solid waste, and filtrate returns to sedimentation basin, and the supernatant waste water of sedimentation basin send
Anaerobic reactor, waste water stops 24h~120h in anaerobic reactor, and anaerobism temperature is 25 DEG C~55 DEG C, and the waste water after anaerobism enters
Enter the treatment of biology aerobic pond normal temperature, the Aerobic Process for Treatment time is 6h~16h, the waste water after Aerobic Process for Treatment enter sedimentation basin precipitation 1h~
3h, irregularly extracts sludge out from sedimentation basin and is filtered, and filter cake makees dangerous disposition of solid waste, and filtrate returns to Aerobic Pond,
The supernatant waste water of sedimentation basin send multi-layer biological filter tower to process, and the filler of biological filtering tower combined working is activated carbon or porous ceramic grain, filler total thickness
It is 2m~6m to spend, and the dominant bacteria of biological filtering tower combined working is the red pseudomonas in photosynthetic bacteria, and the hydraulic load of biological filtering tower combined working is 30
m3/m2.d~90m3/m2.d, the standard water discharge discharge or reuse of biological filtering tower combined working.
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CN201611255515.1A CN106746254A (en) | 2016-12-30 | 2016-12-30 | TNT produces the processing method of waste water |
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CN201611255515.1A CN106746254A (en) | 2016-12-30 | 2016-12-30 | TNT produces the processing method of waste water |
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CN201611255515.1A Pending CN106746254A (en) | 2016-12-30 | 2016-12-30 | TNT produces the processing method of waste water |
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Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101665311A (en) * | 2009-09-24 | 2010-03-10 | 中南大学 | Catalysis and micro-electrolysis combined technology for high-concentration refractory organic wastewater |
-
2016
- 2016-12-30 CN CN201611255515.1A patent/CN106746254A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101665311A (en) * | 2009-09-24 | 2010-03-10 | 中南大学 | Catalysis and micro-electrolysis combined technology for high-concentration refractory organic wastewater |
Non-Patent Citations (5)
Title |
---|
宋志伟 等: "《水污染控制工程》", 31 July 2013 * |
张修正: "《化工厂电气手册》", 31 December 1994 * |
施悦 等: "《环境氧化还原处理技术原理与应用》", 31 August 2013 * |
湖南省爱国卫生运动委员会办公室 等编: "《爱国卫生运动工作手册》", 31 July 1986 * |
郑西来: "《地下水污染控制》", 31 July 2009 * |
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Application publication date: 20170531 |