CN106630445A - Treatment method of acetone-butanol-ethanol total solvent production wastewater - Google Patents

Treatment method of acetone-butanol-ethanol total solvent production wastewater Download PDF

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Publication number
CN106630445A
CN106630445A CN201611257069.8A CN201611257069A CN106630445A CN 106630445 A CN106630445 A CN 106630445A CN 201611257069 A CN201611257069 A CN 201611257069A CN 106630445 A CN106630445 A CN 106630445A
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China
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waste water
composite powder
total solvent
zinc composite
aluminium zinc
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CN201611257069.8A
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Chinese (zh)
Inventor
龙炳清
邓国海
陈建平
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Sichuan Normal University
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Sichuan Normal University
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Priority to CN201611257069.8A priority Critical patent/CN106630445A/en
Publication of CN106630445A publication Critical patent/CN106630445A/en
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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
    • C02F1/34—Treatment of water, waste water, or sewage with mechanical oscillations
    • C02F1/36—Treatment of water, waste water, or sewage with mechanical oscillations ultrasonic vibrations
    • 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
    • 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
    • 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
    • C02F2101/322—Volatile compounds, e.g. benzene
    • 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
    • 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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  • 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)
  • Physical Water Treatments (AREA)
  • Biological Treatment Of Waste Water (AREA)
  • Water Treatment By Sorption (AREA)

Abstract

The invention discloses a treatment method of acetone-butanol-ethanol total solvent production wastewater. The treatment method of the acetone-butanol-ethanol total solvent production wastewater comprises the following steps: separating liquid and solid, reducing aluminum-zinc composite powder by carrying out CO2 compression under effect of ultrasound; and then, carrying out the processes, including anaerobic, aerobic and biofilter treatments, and so on. The treated wastewater can be discharged with the discharge standard stably met.

Description

Propyl-butyl total solvent produces the processing method of waste water
Technical field
The present invention relates to a kind of processing method of the waste water produced as main material production propyl-butyl total solvent with Ipomoea batatas.
Background technology
Acetone, butanol, ethanol are referred to as propyl-butyl total solvent, are medicine, agricultural chemicals, plastics, paint, national defence and light industry Important source material, early stage mainly produces propyl-butyl total solvent by raw material of oil.Produce the third fourth using biomass ferment in recent years always molten Agent has become a kind of development trend.Ipomoea batatas is one of primary raw material of production propyl-butyl total solvent, and it produces the organic wastewater for producing Middle pollutant COD concentration is high, and complicated component, intractability is big.If the waste water is not processed is directly discharged into environment, environment will be caused Severe contamination.The processing method for producing the waste water that propyl-butyl total solvent is produced currently with Ipomoea batatas is mainly biological treatment.Due to Contain persistence organic pollutant in the waste water（Containing phenyl ring and（Or）Heterocycle organic matter）, it is main former especially with fresh sweet potatoes During material, the concentration of persistence organic pollutant is higher, thereby results in the Biochemical method waste water it is difficult to stably reaching standard discharge.Exploitation The processing method of the waste water that the utilization Ipomoea batatas production propyl-butyl total solvent of energy stably reaching standard discharge is produced has larger practical value.
The content of the invention
It is of the invention for the problem that the processing method that the waste water that propyl-butyl total solvent is produced is produced currently with Ipomoea batatas is present Purpose is the processing method of the propyl-butyl total solvent waste water for finding energy stably reaching standard discharge, it is characterised in that by propyl-butyl total solvent waste water Solid-liquor separation is carried out, the waste water isolated enters regulating reservoir, the solid comprehensive utilization isolated.The third fourth after adjusted pond regulation Total solvent waste water sends into voltage-resistant reactor, and cleaning aluminium zinc composite powder is added into reactor, under ul-trasonic irradiation and is passed through industry CO2Reacted, the granularity of aluminium zinc composite powder is less than 180 mesh, and the content of every kind of metal is not less than 5% in aluminium zinc composite powder（Return The aluminium zinc composite powder for using is not limited）, every liter of waste water addition aluminium zinc composite powder 5g～30g.Stir under ul-trasonic irradiation Reaction time is 10min～35min.Reaction temperature is 25 DEG C～60 DEG C.CO2Pressure be 0.1MPa～0.6MPa.Per cube The power of rice waste water input ultrasonic wave is 2kW～8kW.Reacted waste water carries out solid-liquor separation, the aluminium zinc composite powder isolated Returning reactor.Waste water milk of lime or other alkaline matters after solid-liquor separation adjusts its pH value to 7.0～8.5, Ran Houjin Enter anaerobic reactor.Waste water stops 24h～120h in anaerobic reactor, and anaerobism temperature is 25 DEG C～55 DEG C.Waste water after anaerobism Into the process of biology aerobic pond normal temperature, the Aerobic Process for Treatment time is 4h～12h.Waste water after Aerobic Process for Treatment enters sedimentation basin, precipitation Time is 1h～3h.Irregularly extract sludge out from sedimentation basin to be filtered, filter cake makees general disposition of solid waste, and filtrate is returned Return 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, It is 0.5m～1.0m per thickness degree, gross thickness is 1m～3m.The dominant bacteria of biological filtering tower combined working is the red false unit cell in photosynthetic bacteria Bacterium（Rhodopseudomonas）.The hydraulic load of biological filtering tower combined working is 50 m3/m2.d～150m3/m2.d.The water outlet of biological filtering tower combined working Qualified discharge or reuse.
The object of the present invention is achieved like this, and the solid matter of propyl-butyl total solvent waste water is more, compound into aluminium zinc Before powder reduction reactor, solid-liquor separation is carried out, it is to avoid the impact that solid matter is reduced to aluminium zinc composite powder, be also beneficial to unreacted Complete aluminium zinc composite powder recycling.Waste water is entered after aluminium zinc composite powder reduction reactor, the larger molecular organicses in waste water, Particularly persistence organic pollutant（Containing phenyl ring and（Or）The organic matter of heterocycle etc.）The strong of generation is reduced by aluminium zinc composite powder Reduce the effect of free radical and destroy, be that subsequent biochemical process creates favorable conditions.It is passed through pressure CO2Purpose be maintain aluminium zinc Composite powder reduces suitable pH value（2.0～5.0）；The effect of input ultrasonic wave is to speed up the mass transport process of reduction reaction.Reduction Waste water milk of lime or other alkaline matters afterwards adjusts its pH, to meet the requirement of follow-up anaerobic and aerobic process.It is premenstrual to state In anaerobic processes, by the effect of microorganism, larger molecular organicses further become small organic molecule to the waste water of process, are More favorable condition is created in subsequent bio oxidation.By biological oxidation process, remaining most of organic matters are removed, while removing The pollutants such as nitrogen phosphorus.Waste water finally enters activated carbon or porous ceramic grain biological filtering tower combined working, in microorganism, particularly red pseudomonas Under effect, the pollutant such as further organics removal and nitrogen phosphorus, it is ensured that the waste water stably reaching standard discharge after process.
Relative to existing method, the outstanding advantages of the present invention are reduced using aluminium zinc composite powder, by the persistence in waste water Pollutant is destroyed, and is that subsequent biological treatment creates favorable conditions, so as to ensure the waste water stably reaching standard discharge after processing；Relative to Metal deoxidization used in other wastewater treatments, using CO2Replace now widely used sulfuric acid to make acidulant, do not introduce SO4 2-Ion, eliminates generation H2The material base of S, so as to avoid H2The pollution of S, while it also avoid SO4 2-To anaerobism and The inhibitory action of microorganism in aerobic process, greatly improves the efficiency of biological treatment；Boiler, fuel are all had in propyl-butyl total solvent factory The CO that burning is produced2Waste gas can make full use of, and can not only reduce processing cost, and can reduce carbon emission；It is useless after process Water energy stably reaching standard is discharged, with obvious economic benefit and environmental benefit.
Specific implementation method
Embodiment 1：1m is processed daily3Propyl-butyl total solvent waste water（Composition：CODCr39000 mg/L、T-N40.8 mg/L、 SS29000mg/L T-P4.2mg/L, colourity 720）, Jing solid-liquor separations, the reduction of aluminium zinc composite powder（10min、40℃、CO2Pressure It is 4kW that 0.6MPa, every liter of waste water add aluminium zinc composite powder 15g, the power of every cubic metre of waste water input ultrasonic wave）, anaerobism （PH8.5,72h, 25 DEG C～35 DEG C）, it is aerobic（4h）And biological filtering tower combined working（Porous ceramic grain packing layer gross thickness 1m, hydraulic load 50m3/m2.d）The COD of water outlet after processCrFor 39mg/L, T-N5.3mg/L, T-P0.4mg/L, colourity 13.
Embodiment 2：5m is processed daily3Propyl-butyl total solvent waste water（Composition: CODCr41000 mg/L、T-N38.5mg/L、 SS31500mg/L, T-P4.7mg/L, colourity 760）, Jing solid-liquor separations, the reduction of aluminium zinc composite powder（20min、25℃、CO2Pressure It is 2kW that 0.1MPa, every liter of waste water add aluminium zinc composite powder 5g, the power of every cubic metre of waste water input ultrasonic wave）, 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, hydraulic load 150m3/ m2.d）The COD of water outlet after processCrFor 44mg/L, T-N5.0mg/L, T-P0.4mg/L, colourity 15.

Claims (1)

1. a kind of utilization Ipomoea batatas is the processing method of the waste water that main material production propyl-butyl total solvent is produced, it is characterised in that will Propyl-butyl total solvent waste water carries out solid-liquor separation, and the waste water isolated enters regulating reservoir, the solid comprehensive utilization isolated, adjusted Propyl-butyl total solvent waste water after pond is adjusted sends into voltage-resistant reactor, and cleaning aluminium zinc composite powder is added into reactor, makees in ultrasonic wave With lower and be passed through industrial CO2Reacted, the granularity of aluminium zinc composite powder is less than 180 mesh, and every kind of metal contains in aluminium zinc composite powder Amount is not less than 5%, and every liter of waste water adds aluminium zinc composite powder 5g～30g, under ul-trasonic irradiation the stirring reaction time be 10min～ 35min, reaction temperature is 25 DEG C～60 DEG C, CO2Pressure be 0.1MPa～0.6MPa, every cubic metre of waste water input ultrasonic wave Power is 2kW～8kW, and reacted waste water carries out solid-liquor separation, the aluminium zinc composite powder Returning reactor isolated, solid-liquor separation Waste water milk of lime or other alkaline matters afterwards adjusts its pH value to 7.0～8.5, and subsequently into anaerobic reactor, waste water exists Anaerobic reactor stops 24h～120h, and anaerobism temperature is 25 DEG C～55 DEG C, and the waste water after anaerobism enters biology aerobic Chi Changwenchu Reason, the Aerobic Process for Treatment time is 4h～12h, and the waste water after Aerobic Process for Treatment enters sedimentation basin, and the sedimentation time is 1h～3h, irregularly from Extract sludge in sedimentation basin out to be filtered, filter cake makees general disposition of solid waste, filtrate returns Aerobic Pond, the supernatant of sedimentation basin Waste water send multi-layer biological filter tower to process, and the filler of biological filtering tower combined working is activated carbon or porous ceramic grain, and filler gross thickness is 1m～3m, raw The dominant bacteria of thing filter tower is the red pseudomonas in photosynthetic bacteria, and the hydraulic load of biological filtering tower combined working is 50 m3/m2.d～ 150m3/m2.d, the standard water discharge discharge or reuse of biological filtering tower combined working.
CN201611257069.8A 2016-12-30 2016-12-30 Treatment method of acetone-butanol-ethanol total solvent production wastewater Pending CN106630445A (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01224096A (en) * 1988-03-04 1989-09-07 Kurita Water Ind Ltd Treatment of organic waste water
CN101234812A (en) * 2008-02-05 2008-08-06 中国科学院沈阳应用生态研究所 Method for decoloring burned waste water by using zero-valent iron/ultrasonic wave synergistic reaction
CN102757158A (en) * 2012-08-07 2012-10-31 常州大学 Residence community domestic sewage treating system and method
CN103755102A (en) * 2014-01-24 2014-04-30 常州大学 Garlic wastewater treatment method and device
CN104986919A (en) * 2015-06-29 2015-10-21 常州大学 Wastewater advanced treatment system for corn processing

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01224096A (en) * 1988-03-04 1989-09-07 Kurita Water Ind Ltd Treatment of organic waste water
CN101234812A (en) * 2008-02-05 2008-08-06 中国科学院沈阳应用生态研究所 Method for decoloring burned waste water by using zero-valent iron/ultrasonic wave synergistic reaction
CN102757158A (en) * 2012-08-07 2012-10-31 常州大学 Residence community domestic sewage treating system and method
CN103755102A (en) * 2014-01-24 2014-04-30 常州大学 Garlic wastewater treatment method and device
CN104986919A (en) * 2015-06-29 2015-10-21 常州大学 Wastewater advanced treatment system for corn processing

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
冯晓西等: "《精细化工废水治理技术》", 31 March 2000, 北京：化学工业出版社 *
张小凡等: "《环境微生物学》", 30 April 2013, 上海交通大学出版社 *
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, 湖南人民出版社 *
王后雄等: "《高中化学竞赛基础教程》", 30 November 1991, 华中师范大学出版社 *

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Application publication date: 20170510