CN106746264A - Propyl-butyl total solvent produces the processing method of waste water - Google Patents

Propyl-butyl total solvent produces the processing method of waste water Download PDF

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Publication number
CN106746264A
CN106746264A CN201611255657.8A CN201611255657A CN106746264A CN 106746264 A CN106746264 A CN 106746264A CN 201611255657 A CN201611255657 A CN 201611255657A CN 106746264 A CN106746264 A CN 106746264A
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China
Prior art keywords
waste water
propyl
composite powder
total solvent
treatment
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Pending
Application number
CN201611255657.8A
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Chinese (zh)
Inventor
龙炳清
喻沛杰
胡珊
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Sichuan Normal University
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Sichuan Normal University
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Priority to CN201611255657.8A priority Critical patent/CN106746264A/en
Publication of CN106746264A publication Critical patent/CN106746264A/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
    • 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
    • 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
    • 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)
  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)

Abstract

The processing method of the propyl-butyl total solvent production waste water that the present invention is introduced includes solid-liquor separation, CO2The operations such as the reduction of pressurization ferrimanganic composite powder, anaerobism, the treatment of aerobic and biological filtering tower combined working, the waste water after treatment can stably reaching standard discharge.

Description

Propyl-butyl total solvent produces the processing method of waste water
Technical field
A kind of processing method of the waste water the present invention relates to be 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 is mainly that raw material produces propyl-butyl total solvent with oil.The third fourth to be produced using biomass ferment always molten in recent years Agent has turned into a kind of development trend.Ipomoea batatas is one of primary raw material of production propyl-butyl total solvent, the organic wastewater that its production is produced 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 of the waste water produced currently with Ipomoea batatas production propyl-butyl total solvent 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 is discharged.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 of the waste water produced currently with Ipomoea batatas production propyl-butyl total solvent 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, cleaning ferrimanganic composite powder is added into reactor, and be passed through industrial CO2Reacted, iron The granularity of manganese composite powder is less than 180 mesh, and the content of every kind of metal is not less than 5% in ferrimanganic composite powder（The ferrimanganic that return is used is combined Powder is not limited）, every liter of waste water addition ferrimanganic composite powder 5g~30g, the stirring reaction time is 1h~3h, and reaction temperature is 25 DEG C~60 DEG C, CO2Pressure be 0.1MPa~0.6MPa.Reacted waste water carries out solid-liquor separation, and the ferrimanganic isolated is combined Powder Returning reactor.Waste water milk of lime or other alkaline matters after solid-liquor separation adjust its pH value to 7.0~8.5, then Into anaerobic reactor.Waste water stops 24h~120h in anaerobic reactor, and anaerobism temperature is 25 DEG C~55 DEG C.It is useless after anaerobism Into the treatment of biology aerobic pond normal temperature, the Aerobic Process for Treatment time is 4h~12h to water.Waste water after Aerobic Process for Treatment enters sedimentation basin, sinks The shallow lake time is 1h~3h.Irregularly extract sludge out from sedimentation basin to be filtered, filter cake makees general disposition of solid waste, filtrate Return 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 pottery Grain, is 0.5m~1.0m per thickness degree, and gross thickness is 1m~3m.The dominant bacteria of biological filtering tower combined working is the red false list in photosynthetic bacteria Born of the same parents bacterium（Rhodopseudomonas）.The hydraulic load of biological filtering tower combined working is 50 m3/m2.d~150m3/m2.d.Biological filtering tower combined working goes out Water 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, is combined ferrimanganic is entered Before powder reduction reactor, solid-liquor separation is carried out, it is to avoid the influence that solid matter is reduced to ferrimanganic composite powder, be also beneficial to unreacted Complete ferrimanganic composite powder recycling.After waste water enters ferrimanganic 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 ferrimanganic composite powder Reduce the effect of free radical and destroy, be that subsequent biochemical treatment creates favorable conditions.It is passed through pressure CO2Purpose be maintain ferrimanganic Composite powder reduces suitable pH value（2.0~5.0）, waste water milk of lime or other alkaline matters after reduction adjusts its pH, with 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, greatly Molecular organic further becomes small organic molecule, is that more favorable condition is created in subsequent bio oxidation.At biological oxidation Reason, remaining most of organic matters are removed, while going to denitrogenate the pollutants such as phosphorus.Waste water finally enters activated carbon or porous ceramic grain Biological filtering tower combined working, in the presence of microorganism, particularly red pseudomonas, the pollutant such as further organics removal and nitrogen phosphorus is protected Waste water stably reaching standard discharge after card treatment.
Relative to existing method, outstanding advantages of the invention are reduced using ferrimanganic 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 treatment；Relative to The metal deoxidization used in other wastewater treatments, using CO2Make acidulant instead of now widely used sulfuric acid, 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 Burn the CO for producing2Waste gas can make full use of, and can not only reduce processing cost, and can reduce carbon emission；It is useless after treatment 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）, reduced through solid-liquor separation, ferrimanganic composite powder（1h、40℃、CO2Pressure 0.6MPa, every liter of waste water add ferrimanganic composite powder 15g）, anaerobism（PH8.5,72h, 25 DEG C~35 DEG C）, it is aerobic（4h）And biological filter Tower（Porous ceramic grain packing layer gross thickness 1m, hydraulic load 50m3/m2.d）The COD of water outlet after treatmentCrIt is 73mg/L, T- N7.7mg/L, T-P0.2mg/L, colourity 25.
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）, reduced through solid-liquor separation, ferrimanganic composite powder（2.5h、25℃、CO2Pressure 0.1MPa, every liter of waste water add ferrimanganic composite powder 5g）, anaerobism（PH7.0,24h, 35 DEG C~55 DEG C）, it is aerobic（6h）And biological filter Tower（Active carbon filler layer gross thickness 2m, hydraulic load 150m3/m2.d）The COD of water outlet after treatmentCrIt is 77mg/L, T-N7.2mg/ L, T-P0.2mg/L, colourity 28.

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 feeding voltage-resistant reactor after the regulation of pond, adds reactor, and be passed through industry by cleaning ferrimanganic composite powder CO2Reacted, the granularity of ferrimanganic composite powder is less than 180 mesh, and the content of every kind of metal is not less than 5%, every liter in ferrimanganic composite powder Waste water adds ferrimanganic composite powder 5g~30g, and the stirring reaction time is 1h~3h, and reaction temperature is 25 DEG C~60 DEG C, CO2Pressure It is 0.1MPa~0.6MPa, reacted waste water carries out solid-liquor separation, the ferrimanganic composite powder Returning reactor isolated, liquid divides admittedly Waste water milk of lime or other alkaline matters after adjust its pH value to 7.0~8.5, subsequently into anaerobic reactor, waste water 24h~120h is stopped in anaerobic reactor, anaerobism temperature is 25 DEG C~55 DEG C, and the waste water after anaerobism enters biology aerobic pond normal temperature Treatment, 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 Extract sludge out from sedimentation basin to be filtered, filter cake makees general disposition of solid waste, filtrate returns to Aerobic Pond, sedimentation basin it is upper Stripping 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, 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 50 m3/m2.d~ 150m3/m2.d, the standard water discharge discharge or reuse of biological filtering tower combined working.
CN201611255657.8A 2016-12-30 2016-12-30 Propyl-butyl total solvent produces the processing method of waste water Pending CN106746264A (en)

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Citations (1)

* Cited by examiner, † Cited by third party
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

Patent Citations (1)

* Cited by examiner, † Cited by third party
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 (6)

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