CN106746296A - 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
CN106746296A
CN106746296A CN201611257091.2A CN201611257091A CN106746296A CN 106746296 A CN106746296 A CN 106746296A CN 201611257091 A CN201611257091 A CN 201611257091A CN 106746296 A CN106746296 A CN 106746296A
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China
Prior art keywords
waste water
propyl
total solvent
treatment
solid
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Pending
Application number
CN201611257091.2A
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Chinese (zh)
Inventor
龙炳清
刘梦娇
乔文君
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Sichuan Normal University
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Sichuan Normal University
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Priority to CN201611257091.2A priority Critical patent/CN106746296A/en
Publication of CN106746296A publication Critical patent/CN106746296A/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
    • C02F1/34—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
    • 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

Abstract

The processing method of the propyl-butyl total solvent production waste water that the present invention is introduced includes solid-liquor separation, the CO under ul-trasonic irradiation2The operations such as pressurization aluminum reduction, 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, and cleaning aluminium powder is added into reactor, under ul-trasonic irradiation and is passed through industrial CO2Carry out Reaction, the granularity of aluminium powder is less than 180 mesh, and every liter of waste water adds aluminium powder 5g~30g.The stirring reaction time is under ul-trasonic irradiation 10min~35min.Reaction temperature is 25 DEG C~60 DEG C.CO2Pressure be 0.1MPa~0.6MPa.Every cubic metre of waste water input The power of ultrasonic wave is 2kW~8kW.Reacted waste water carries out solid-liquor separation, the aluminium 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.Waste water after anaerobism enters biology aerobic pond normal temperature Treatment, the Aerobic Process for Treatment time is 4h~12h.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.The filler of biological filtering tower combined working is activated carbon or porous ceramic grain, be per thickness degree 0.5m~ 1.0m, gross thickness is 1m~3m.The dominant bacteria of biological filtering tower combined working is the red pseudomonas in photosynthetic bacteria （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 reaches Mark 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 entering aluminum reduction Before reactor, solid-liquor separation is carried out, it is to avoid influence of the solid matter to aluminum reduction, be also beneficial to the complete aluminium powder of unreacted and reclaim Recycle.After waste water enters aluminum reduction reactor, the larger molecular organicses in waste water, particularly persistence organic pollutant （Containing phenyl ring and（Or）The organic matter of heterocycle etc.）Destroyed by the effect of the strong reduction free radical that aluminum reduction is produced, be follow-up Biochemical treatment creates favorable conditions.It is passed through pressure CO2Purpose be maintain the suitable pH value of aluminum reduction（2.0~5.0）；Input The effect of ultrasonic wave is to speed up the mass transport process of reduction reaction.Waste water milk of lime or other alkaline matters after reduction adjust it PH, to meet the requirement of follow-up anaerobic and aerobic process.Through the waste water of aforementioned processing in anaerobic processes, by the work of microorganism With larger molecular organicses further become small organic molecule, are that more favorable condition is created in subsequent bio oxidation.By biological oxygen Change is processed, and 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 aggregate biological filter tower, in the presence of microorganism, particularly red pseudomonas, the pollution such as further organics removal and nitrogen phosphorus Thing, it is ensured that the waste water stably reaching standard discharge after treatment.
Relative to existing method, outstanding advantages of the invention are to use aluminum reduction, by the persistent pollutant in waste water Destruction, is that subsequent biological treatment creates favorable conditions, so as to ensure the waste water stably reaching standard discharge after treatment；Relative at other The metal deoxidization used in wastewater treatment, using CO2Make acidulant instead of now widely used sulfuric acid, do not introduce SO4 2-From Son, eliminates generation H2The material base of S, so as to avoid H2The pollution of S, while it also avoid SO4 2-To anaerobic and aerobic mistake The inhibitory action of microorganism in journey, greatly improves the efficiency of biological treatment；Boiler is all had in propyl-butyl total solvent factory, and fuel combustion is produced Raw CO2Waste gas can make full use of, and can not only reduce processing cost, and can reduce carbon emission；Waste water energy after treatment is steady Qualified discharge is determined, 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）, through solid-liquor separation, aluminum reduction（10min、40℃、CO2Pressure 0.6MPa, It is 4kW that every liter of waste water adds aluminium powder 15g, the power of every cubic metre of waste water input ultrasonic wave）, anaerobism（PH8.5,72h, 25 DEG C~ 35℃）, it is aerobic（4h）And biological filtering tower combined working（Porous ceramic grain packing layer gross thickness 1m, hydraulic load 50m3/m2.d）Water outlet after treatment CODCrIt is 60mg/L, T-N6.0mg/L, T-P0.3mg/L, colourity 17.
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）, through solid-liquor separation, aluminum reduction（20min、25℃、CO2Pressure It is 2kW that 0.1MPa, every liter of waste water add aluminium 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）After treatment The COD of water outletCrIt is 63mg/L, T-N5.8mg/L, T-P0.3mg/L, colourity 19.

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, by cleaning aluminium powder under ul-trasonic irradiation simultaneously It is passed through industrial CO2Reacted, the granularity of aluminium powder is less than 180 mesh, and every liter of waste water adds aluminium powder 5g~30g, in ul-trasonic irradiation The lower stirring reaction time be 10min~35min, reaction temperature be 25 DEG C~60 DEG C, CO2Pressure be 0.1MPa~0.6MPa, The power of every cubic metre of waste water input ultrasonic wave is 2kW~8kW, and reacted waste water carries out solid-liquor separation, the aluminium powder isolated Returning reactor, waste water milk of lime or other alkaline matters after solid-liquor separation adjust 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, the waste water after anaerobism Into the treatment of biology aerobic pond normal temperature, the Aerobic Process for Treatment time is 4h~12h, and the waste water after Aerobic Process for Treatment enters sedimentation basin, is precipitated Time is 1h~3h, irregularly extracts sludge out from sedimentation basin and is filtered, and filter cake makees general disposition of solid waste, and filtrate is returned Aerobic Pond is returned, 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, Filler gross thickness is 1m~3m, and the dominant bacteria of biological filtering tower combined working is the red pseudomonas in photosynthetic bacteria, the waterpower of biological filtering tower combined working Load is 50 m3/m2.d~150m3/m2.d, the standard water discharge discharge or reuse of biological filtering tower combined working.
CN201611257091.2A 2016-12-30 2016-12-30 Propyl-butyl total solvent produces the processing method of waste water Pending CN106746296A (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 (7)

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