CN106673342A - Treatment method of wastewater produced during acetone, butanol and ethanol solvent production - Google Patents

Treatment method of wastewater produced during acetone, butanol and ethanol solvent production Download PDF

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Publication number
CN106673342A
CN106673342A CN201611257078.7A CN201611257078A CN106673342A CN 106673342 A CN106673342 A CN 106673342A CN 201611257078 A CN201611257078 A CN 201611257078A CN 106673342 A CN106673342 A CN 106673342A
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CN
China
Prior art keywords
waste water
composite powder
aluminum zinc
zinc composite
solid
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201611257078.7A
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Chinese (zh)
Inventor
龙炳清
万旭
陈俊
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Sichuan Normal University
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Sichuan Normal University
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Priority to CN201611257078.7A priority Critical patent/CN106673342A/en
Publication of CN106673342A publication Critical patent/CN106673342A/en
Pending legal-status Critical Current

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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/62—Carbon oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/77—Liquid phase processes
    • B01D53/78—Liquid phase processes with gas-liquid contact
    • 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
    • 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
    • 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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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)

Abstract

The invention relates to a treatment method of wastewater produced during acetone, butanol and ethanol solvent production. The treatment method comprises the processes of separating liquid from solid, pressurizing ferric aluminum zinc composite powder through CO2 under ultrasonication so as to be subjected to reduction, carrying out an anaerobic process, carrying out an aerobiotic process, processing through a biological filtration tower, and the like, so that the treated wastewater can be stably discharged to reach standard.

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 Radix Ipomoeae.
Background technology
Acetone, butanol, ethanol are referred to as propyl-butyl total solvent, are medicine, pesticide, plastics, paint, national defence and light industry Important source material, early stage is mainly with oil as raw material production propyl-butyl total solvent.The third fourth is produced using biomass ferment in recent years always molten Agent has become a kind of development trend.Radix Ipomoeae is to produce one of primary raw material of propyl-butyl total solvent, the organic wastewater that its production is produced Middle pollutant COD concentration is high, and complicated component, intractability are big.If the waste water is not processed is directly discharged into environment, environment will be caused Severe contamination.The processing method that the waste water that propyl-butyl total solvent is produced is produced currently with Radix Ipomoeae is mainly biological treatment.Due to Contain persistence organic pollutant in the waste water（Containing phenyl ring and（Or）Heterocycle Organic substance）, 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 and is difficult stably reaching standard discharge.Exploitation The processing method of the waste water that the utilization Radix Ipomoeae production propyl-butyl total solvent of energy stably reaching standard discharge is produced has larger practical value.
The content of the invention
It is for the problem that the processing method that the waste water that propyl-butyl total solvent is produced is produced currently with Radix Ipomoeae is present, of the invention 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 ferrum aluminum zinc composite powder is added reactor, under ul-trasonic irradiation and is passed through work Industry CO2Reacted, the granularity of ferrum aluminum zinc composite powder is less than 180 mesh, and in ferrum aluminum zinc composite powder, the content of every kind of metal is not less than 5%（The ferrum aluminum zinc composite powder that return is used is not limited）, every liter of waste water addition ferrum aluminum zinc composite powder 5g~30g.In ultrasound wave The effect lower stirring reaction time is 10min~35min.Reaction temperature is 25 DEG C~60 DEG C.CO2Pressure be 0.1MPa~ 0.6MPa.The power of every cubic metre of waste water input ultrasound wave is 2kW~8kW.Reacted waste water carries out solid-liquor separation, isolates Ferrum aluminum zinc composite powder Returning reactor.Waste water lime cream or other alkaline matters after solid-liquor separation adjusts its pH value and arrives 7.0~8.5, subsequently into anaerobic reactor.Waste water stops 24h~120h in anaerobic reactor, and anaerobism temperature is 25 DEG C~55 ℃.Into the process of biology aerobic pond room temperature, the Aerobic Process for Treatment time is 4h~12h to waste water after anaerobism.Waste water after Aerobic Process for Treatment Into sedimentation tank, the sedimentation time is 1h~3h.Irregularly extract sludge out from sedimentation tank to be filtered, filter cake is made general solid and given up Gurry is disposed, and filtrate returns Aerobic Pond.The supernatant waste water of sedimentation tank send multi-layer biological filter tower to process.The filler of biological filtering tower combined working is work Property charcoal or porous ceramic grain, be 0.5m~1.0m per thickness degree, gross thickness is 1m~3m.The dominant bacteria of biological filtering tower combined working is photosynthetic thin Rhodopseudomonas in bacterium（Rhodopseudomonas）.The hydraulic load of biological filtering tower combined working is 50 m3/m2.d~150m3/m2.d。 The standard water discharge discharge of biological filtering tower combined working 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, multiple into ferrum aluminum zinc Before closing powder reduction reactor, carry out solid-liquor separation, it is to avoid the impact that solid matter is reduced to ferrum aluminum zinc composite powder, be also beneficial to not The ferrum aluminum zinc composite powder recycling reacted.After waste water enters ferrum aluminum zinc composite powder reduction reactor, big point in waste water Sub- Organic substance, particularly persistence organic pollutant（Containing phenyl ring and（Or）The Organic substance of heterocycle etc.）By ferrum aluminum zinc composite powder also Originate in the effect of raw strong reduction free radical and destroy, be that subsequent biochemical process creates favorable conditions.It is passed through pressure CO2Purpose It is to maintain ferrum aluminum zinc composite powder to reduce suitable pH value（2.0~5.0）；The effect of input ultrasound wave is to speed up the biography of reduction reaction Matter process.Waste water lime cream or other alkaline matters after reduction adjusts its pH, to meet follow-up anaerobic and aerobic process Require.In anaerobic processes, by the effect of microorganism, larger molecular organicses further become little point to the premenstrual waste water for stating process Sub- Organic substance, is that more favorable condition is created in subsequent bio oxidation.By biological oxidation process, remaining most of Organic substances are gone Remove, while going to denitrogenate the pollutant such as phosphorus.Waste water finally enters activated carbon or porous ceramic grain biological filtering tower combined working, in microorganism, particularly In the presence of rhodopseudomonas, the pollutant such as further organics removal and nitrogen phosphorus, it is ensured that the waste water stably reaching standard row after process Put.
Relative to existing method, the outstanding advantages of the present invention are reduced using ferrum aluminum zinc composite powder, will be lasting in waste water Contact scar thing is destroyed, and is that subsequent biological treatment creates favorable conditions, so as to ensure the waste water stably reaching standard discharge after processing；Relatively In the metal deoxidization used in other wastewater treatments, using CO2Replace now widely used sulphuric acid to make acidulant, do not draw Enter 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 With it is aerobic during microorganism inhibitory action, greatly improve the efficiency of biological treatment；Boiler is all had in propyl-butyl total solvent factory, combustion The CO that material burning is produced2Waste gas can make full use of, and can not only reduce processing cost, and can reduce carbon emission；After process Waste 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 ferrum aluminum zinc composite powder（10min、40℃、CO2Pressure It is 4kW that power 0.6MPa, every liter of waste water add ferrum aluminum zinc composite powder 15g, the power of every cubic metre of waste water input ultrasound 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 46mg/L, T-N5.8mg/L, T-P0.2mg/L, colourity 12.
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 ferrum aluminum zinc composite powder（20min、25℃、CO2Pressure It is 2kW that power 0.1MPa, every liter of waste water add ferrum aluminum zinc composite powder 5g, the power of every cubic metre of waste water input ultrasound 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 50mg/L, T-N5.3mg/L, T-P0.2mg/L, colourity 15.

Claims (1)

1. a kind of utilization Radix Ipomoeae 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, cleaning ferrum aluminum zinc composite powder is added reactor, in ultrasound wave Effect is lower and is passed through industrial CO2Reacted, the granularity of ferrum aluminum zinc composite powder is less than 180 mesh, every kind of gold in ferrum aluminum zinc composite powder The content of category is not less than 5%, and every liter of waste water adds ferrum aluminum zinc composite powder 5g~30g, and under ul-trasonic irradiation, the stirring reaction time is 10min~35min, reaction temperature are 25 DEG C~60 DEG C, CO2Pressure be 0.1MPa~0.6MPa, the input of every cubic metre of waste water The power of ultrasound wave is 2kW~8kW, and reacted waste water carries out solid-liquor separation, and the ferrum aluminum zinc composite powder isolated returns reaction Device, the waste water lime cream or other alkaline matters after solid-liquor separation adjust its pH value to 7.0~8.5, anti-subsequently into anaerobism Device, waste water is answered to stop 24h~120h in anaerobic reactor, anaerobism temperature is 25 DEG C~55 DEG C, and the waste water after anaerobism enters biological The process of Aerobic Pond room temperature, the Aerobic Process for Treatment time is 4h~12h, and the waste water after Aerobic Process for Treatment enters sedimentation tank, and the sedimentation time is 1h ~3h, irregularly from sedimentation tank extracts sludge out and is filtered, and filter cake makees general disposition of solid waste, and filtrate returns aerobic Pond, the supernatant waste water of sedimentation tank 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 is total Thickness is 1m~3m, and the dominant bacteria of biological filtering tower combined working is the rhodopseudomonas 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.
CN201611257078.7A 2016-12-30 2016-12-30 Treatment method of wastewater produced during acetone, butanol and ethanol solvent production Pending CN106673342A (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: 20170517