CN106746241A - The processing method of Ipomoea batatas alcohol waste water - Google Patents
The processing method of Ipomoea batatas alcohol waste water Download PDFInfo
- Publication number
- CN106746241A CN106746241A CN201611254612.9A CN201611254612A CN106746241A CN 106746241 A CN106746241 A CN 106746241A CN 201611254612 A CN201611254612 A CN 201611254612A CN 106746241 A CN106746241 A CN 106746241A
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- Prior art keywords
- waste water
- ipomoea batatas
- solid
- treatment
- aluminium powder
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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
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- 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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
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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
- 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)
- Water Treatment By Sorption (AREA)
- Biological Treatment Of Waste Water (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The processing method of the Ipomoea batatas alcohol waste water that the present invention is introduced includes solid-liquor separation, CO2The 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
Technical field
The present invention relates to a kind of processing method of Ipomoea batatas alcohol waste water.
Background technology
Ipomoea batatas is one of primary raw material of production alcohol, and 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.Current sweet potato wine
The processing method of smart waste water is mainly biological treatment.Due to containing persistence organic pollutant in Ipomoea batatas alcohol waste water(Containing benzene
Ring and(Or)Heterocycle organic matter), during especially with fresh sweet potatoes for primary raw material, the concentration of persistence organic pollutant is higher,
Biochemical method Ipomoea batatas alcohol waste water is thereby resulted in it is difficult to stably reaching standard is discharged.The Ipomoea batatas alcohol of exploitation energy stably reaching standard discharge gives up
The processing method of water has larger practical value.
The content of the invention
For the problem of current Ipomoea batatas alcohol method of wastewater treatment, the purpose of the present invention is to find energy stably reaching standard discharge
The processing method of Ipomoea batatas alcohol waste water, it is characterised in that Ipomoea batatas alcohol waste water is carried out into solid-liquor separation, the waste water isolated enters
Regulating reservoir, the solid isolated makees feed.Ipomoea batatas alcohol waste water feeding voltage-resistant reactor after adjusted pond regulation, will clean aluminium
Powder adds reactor, and is passed through industrial CO2Reacted, the granularity of aluminium powder is less than 180 mesh, every liter of waste water add aluminium powder 5g~
30g, the stirring reaction time be 1h~3h, reaction temperature be 25 DEG C~60 DEG C, CO2Pressure be 0.1MPa~0.6MPa.Reaction
Waste water afterwards carries out solid-liquor separation, the aluminium powder Returning reactor isolated.Waste water milk of lime or other alkali after solid-liquor separation
Property material adjusts its pH value to 7.0~8.5, subsequently into anaerobic reactor.Waste water stops 24h~120h in anaerobic reactor,
Anaerobism temperature is 25 DEG C~55 DEG C.Waste water after anaerobism into the treatment of biology aerobic pond normal temperature, the Aerobic Process for Treatment time be 4h~
12h.Waste water after Aerobic Process for Treatment enters sedimentation basin, and the sedimentation time is 1h~3h.Irregularly extracting sludge out from sedimentation basin is carried out
Filtering, filter cake makees general disposition of solid waste, and filtrate returns to Aerobic Pond.The supernatant waste water of sedimentation basin is sent at multi-layer biological filter tower
Reason.The filler of biological filtering tower combined working is activated carbon or porous ceramic grain, is 0.5m~1.0m per thickness degree, and gross thickness is 1m~3m.It is biological
The dominant bacteria of filter tower 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 standard water discharge discharge or reuse of biological filtering tower combined working.
The object of the present invention is achieved like this, and the solid matter of Ipomoea batatas alcohol waste water is more, and entering, aluminum reduction is anti-
Before answering device, 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 again
Utilize.After waste water enters aluminum reduction reactor, the larger molecular organicses in waste water, particularly persistence organic pollutant(Contain
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 life
Change treatment creates favorable conditions.It is passed through pressure CO2Purpose be maintain the suitable pH value of aluminum reduction(2.0~5.0), after reduction
Waste water milk of lime or other alkaline matters adjust its pH, to meet the requirement of follow-up anaerobic and aerobic process.Through foregoing place
In anaerobic processes, by the effect of microorganism, larger molecular organicses further become small organic molecule to the waste water of reason, after being
Continuous biological oxidation creates more favorable condition.Processed by biological oxidation, 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 work of microorganism, particularly red pseudomonas
Under, the pollutant such as further organics removal and nitrogen phosphorus, 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 Ipomoea batatas Alcohol Plant, and fuel combustion is produced
CO2Waste gas can make full use of, and can not only reduce processing cost, and can reduce carbon emission;Waste water energy stabilization after treatment
Qualified discharge, with obvious economic benefit and environmental benefit.
Specific implementation method
Embodiment 1:1m is processed daily3Ipomoea batatas alcohol waste water(Composition: CODCr38500 mg/L、T-N42.2m/L、
SS28000mg/L, T-P4.5mg/L, colourity 750), through solid-liquor separation, aluminum reduction(1h、40℃、CO2It is pressure 0.6MPa, every
Rise waste water and add aluminium powder 15g), anaerobism(PH8.5,72h, 25 DEG C~35 DEG C), it is aerobic(4h)And biological filtering tower combined working(Porous ceramic grain filler
Layer gross thickness 1m, hydraulic load 50m3/m2.d)The COD of water outlet after treatmentCrFor 62mg/L, T-N7.9mg/L, T-P0.3mg/L,
Colourity 24.
Embodiment 2:5m is processed daily3Ipomoea batatas alcohol waste water(Composition:CODCr40500 mg/L、T-N45.1m/L、
SS31500mg/L, T-P4.2mg/L, colourity 780), through solid-liquor separation, aluminum reduction(2.5h、25℃、CO2Pressure 0.1MPa,
Every liter of waste water adds aluminium powder 5g), 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 treatmentCrFor 69mg/L, T-N8.4mg/L, T-P0.3mg/L,
Colourity 23.
Claims (1)
1. a kind of processing method of Ipomoea batatas alcohol waste water, it is characterised in that Ipomoea batatas alcohol waste water is carried out into solid-liquor separation, is isolated
Waste water enter regulating reservoir, the solid isolated makees feed, and the Ipomoea batatas alcohol waste water after adjusted pond regulation sends into pressure-resistant reaction
Device, adds reactor, and be passed through industrial CO by cleaning aluminium powder2Reacted, the granularity of aluminium powder is less than 180 mesh, and every liter of waste water adds
Entering aluminium powder 5g~30g, the stirring reaction time is 1h~3h, reaction temperature is 25 DEG C~60 DEG C, CO2Pressure for 0.1MPa~
0.6MPa, reacted waste water carries out solid-liquor separation, the aluminium 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, and subsequently into anaerobic reactor, waste water is stopped in anaerobic reactor
24h~120h, anaerobism temperature is 25 DEG C~55 DEG C, and the waste water after anaerobism is processed into biology aerobic pond normal temperature, during Aerobic Process for Treatment
Between be 4h~12h, the waste water after Aerobic Process for Treatment enters sedimentation basin, and the sedimentation time is 1h~3h, is irregularly extracted out from sedimentation basin
Sludge is filtered, and filter cake makees general disposition of solid waste, and filtrate returns to Aerobic Pond, and the supernatant waste water of sedimentation basin send multilayer to give birth to
The treatment of thing filter tower, the filler of biological filtering tower combined working is activated carbon or porous ceramic grain, and filler gross thickness is 1m~3m, the advantage of biological filtering tower combined working
Strain 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, biological filter
The standard water discharge discharge or reuse of tower.
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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 CN201611254612.9A patent/CN106746241A/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 (7)
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宋志伟 等: "《水污染控制工程》", 31 July 2013, 中国矿业大学出版社 * |
张修正: "《化工厂电气手册》", 31 December 1994, 化学工业出版社 * |
徐根良: "《废水控制及治理工程》", 30 June 1999, 浙江大学出版社 * |
施悦 等: "《环境氧化还原处理技术原理与应用》", 31 August 2013, 哈尔滨工业大学出版社 * |
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Application publication date: 20170531 |