CN108503074A - A kind of processing method of refuse transfer station percolate - Google Patents
A kind of processing method of refuse transfer station percolate Download PDFInfo
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- CN108503074A CN108503074A CN201810234909.1A CN201810234909A CN108503074A CN 108503074 A CN108503074 A CN 108503074A CN 201810234909 A CN201810234909 A CN 201810234909A CN 108503074 A CN108503074 A CN 108503074A
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- waste water
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- refuse transfer
- percolate
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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
- C02F1/001—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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
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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)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
A kind of processing method of refuse transfer station percolate, includes the following steps：(1), the percolate of refuse transfer station is collected into waste water treatment tank；(2), the stirring motor in waste water treatment tank is started, between the pH to 69 for adjusting waste water；The activated carbon for adding 0.1 ‰ 1 ‰ load Ti, stirs 5min；0.1% 3% hypochlorite solutions are added, reaction 30min is stirred for；Stop stirring motor；(3) ozone generator, is opened, ozone Oxidation Treatment is carried out to the waste water in waste water treatment tank, 1 4h of processing time, control pH is in 69 ranges in processing procedure, after the completion of processing, closes ozone generator；(4), be again turned on stirring motor, be added medicament PAC and PAM used in coagulating sedimentation, after coagulating, it is up to standard after clear water enter municipal sewage pipe network.The present invention realizes effective, the harmless treatment of percolate, improves the feature of environmental protection of refuse transfer station.
Description
Technical field
The invention belongs to technical field of sewage, are related to a kind of processing method of refuse transfer station percolate.
Background technology
With the enhancing of people's environmental consciousness, the quantity of refuse transfer station is more and more in recent years, its effect be by from
The scattered rubbish that the collections such as resident, unit, business and public place come, is transported to and concentrates here, and pass through dedicated rubbish
Rubbish compression device is sent after garbage-compressing volume reduction by carrier vehicle to rubbish final process field.In garbage-compressing volume reduction process meeting
Landfill leachate is generated, because from different places, msw water content is different, the yield of landfill leachate is also different.
Landfill leachate derives from the waste water generated when terminal compression processing house refuse.Include liquid rubbish, solid
Itself aqueous, cleaning flushing water, compressor station staff's domestic water in state rubbish etc..This kind of waste water has the characteristics that：
(1) organic concentration is high, and ammonia-nitrogen content is high, and vegetable and animals oils content is high, and biodegradability can be low.Wherein dissolved organic matter includes
Hydro carbons, volatile fatty acid, humic acid etc.；(2) change of water quality is big.Different residential block living habit differences and Various Seasonal become
Change so that the water quality and quantity fluctuation of garbage-compressing liquid is larger；(3) tenor is high.Refuse battery and electronic product are mixed in rubbish；
(4) organoleptic very poor.It is in yellow or brown to compress liquid, carries strong acid smell, muddy.Pass through the waste water to multiple terminals
Sampling analysis, water quality：CODCr=30000-60000mg/L, BOD5=2500-8500mg/L, NH3- N=200-800mg/L；
Vegetable and animals oils=7000-10000mg/L, SS=8000-13000mg/L, pH=4.5-6.5, coloration=200-300 times are every
Index is《Sewage is discharged into town sewer water standard》(CJ343-2010) several times of specified value are to decades of times, Bu Nengzhi in
Run in and puts.
Percolate treating process more mature at present mostly uses the combination technique of " materialization+biochemistry+membrane process ", after processing
Water outlet reaches《Household refuse landfill sites contamination control standard》(GB16889-2008) discharge standard specified in, researcher and
The shortcomings that engineers and technicians have carried out long-term, a large amount of research thus, the combination technique is to take up a large area, investment
Height, and the percolate water of garbage transfer station is few, pollutant concentration amplitude of variation is big, production time interruption, land used anxiety, it is aforementioned
Group technology is completely unsuitable for such wastewater treatment.
The characteristics of compressing liquid waste water according to terminal, researcher propose " pretreatment (grid)+ultrasound respectively in article
Wave electricity Fenton (USF)+vortex flow separator (GL)+Ultrasonic Film vibrations reactor (UF/NF2) combines work ", " coagulating sedimentation+
The treatment process such as Fenton ", " coagulation+Fenton+ evaporations ".Chinese patent " a kind of zero-discharge treatment system of garbage-compressing liquid and
Method 201710253105.1 ", use " coagulating sedimentation+anaerobism+separation of solid and liquid+Fenton+A/O+ coagulations+filtering+reverse osmosis+
The technique of evaporation " realizes the zero-emission of garbage-compressing liquid；A kind of Chinese patent " garbage-compressing liquid filter
201610873822.X " has invented a kind of compressor processing percolate with filter cloth, realizes and is separated by solid-liquid separation；Chinese patent is " a kind of
The processing method 201110427894.9 " of landfill leachate uses " separation of solid and liquid+Anaerobic Treatment+Aerobic Process for Treatment+membrane biological reaction
The multistage treatment method of device processing+nanofiltration (NF) film+evaporation+ion exchange+spray drying ", solves leachate recirculation and brings
The ammonia nitrogen caused in landfill leachate and the higher and higher problem of chemical oxygen consumption (COC) (COD).The processing proposed in research article
Method process flow is relatively simple, but has been all made of Fenton technology, thus will produce a large amount of iron cement, this is dangerous solid waste, compared with
It is difficult；The treatment process used in patent, flow is longer, and floor space is larger, is not suitable for the processing of terminal class percolate.
Therefore, above-mentioned problem how is solved, is that those skilled in the art focus on the content studied.
Invention content
To overcome above-mentioned deficiency in the prior art, present invention aims at provide a kind of place of refuse transfer station percolate
Reason method.
In order to achieve the above objects and other related objects, the present invention provides a kind of processing side of refuse transfer station percolate
Method includes the following steps：
(1), the percolate of refuse transfer station is collected, and is collected into waste water treatment tank；
(2), start the stirring motor in waste water treatment tank, and to sodium hydroxide solution is added in waste water treatment tank, adjust useless
The pH of water is between 6-9；The activated carbon for adding 0.1 ‰ -1 ‰ load Ti, stirs 5min；Add 0.1%-3% chlorine
Acid salt solution is stirred for reaction 30min；Stop stirring motor；
(3), ozone generator is opened, ozone is sprayed from the titanium alloy aeration head of wastewater treatment pot bottom, to waste water treatment tank
Interior waste water carries out ozone Oxidation Treatment, processing time 1-4h, and control pH after the completion of processing, is closed in 6-9 ranges in processing procedure
Close ozone generator；
(4) it, is again turned on stirring motor, medicament PAC and PAM used in coagulating sedimentation is added, is operated according to conventional coagulation, is mixed
It coagulates after reaction, the waste water in waste water treatment tank is all drawn to folded spiral shell filter press by pumping and is separated by solid-liquid separation, after up to standard
Clear water enter municipal sewage pipe network.
In said program, related content is explained as follows：
1, in said program, step (2) in, adjust the pH of waste water between 7-8；Described 0.1 ‰ -1 ‰ activated carbon is added
For mass volume ratio, i.e. 0.1kg-1kg activated carbons are added in 1000L waste water.Add 0.1%-3% hypochlorite solutions, wherein
0.1%-3% is volume ratio, i.e., 1L-30L is added in 1000L waste water, and optimal is 15-30L.
2, in said program, step (2) described in hypochlorite solutions be sodium hypochlorite, calcium hypochlorite or sodium hypochlorite
The sodium hypochlorite that generator generates, wherein effective chlorine density are not less than 10%.
3, in said program, step (3) in, the ozone Oxidation Treatment time be 2-4h.
4, in said program, percolate refer to rubbish during stacking and landfill due to physics, the life such as be compacted, ferment
Object, chemical action, while what is generated under precipitation and the seepage effect of other external waters contains inorganic or organic principle liquid
Body.
Since above-mentioned technical proposal is used, the present invention has an advantageous effect in that compared with prior art：
In whole processing technology flow of the present invention, occupation area of equipment is small, and pH is adjusted, hypochlorite is handled, ozone treatment
It is completed in a waste water treatment tank with coagulating；For the big feature of waste water water, change of water quality, equipment can interval
Operation, the waste water that terminal generates are collected and are stored in reactor, handled on one's own time；Hypochlorite processing can
Specific aim solves the problems, such as that ammonia nitrogen in waste water content is high, coloration is big, stench；Ozone treatment can specific aim solve chroma in waste water it is big, can
The problem of biochemical is poor, stench；The activated carbon of load Ti is added to as catalyst, the anti-of hypochlorite and ozone can be improved
Efficiency is answered, catalyst is recyclable, Reusability.Coagulating sedimentation can specific aim solve that chroma in waste water is big, suspension content is high asks
Topic；To realize effective, the harmless treatment of percolate, the feature of environmental protection of refuse transfer station is improved.
Specific implementation mode
Illustrate that embodiments of the present invention, those skilled in the art can be by this explanations by particular specific embodiment below
Content disclosed by book understands other advantages and effect of the present invention easily.
Embodiment：
Garbage-compressing liquid, ground flushing water and the staff's domestic water generated in the refuse transfer station working time converges
It combines in trench, mouth is arranged outside trench, one collecting pit is set, flow into the waste water in collecting pit by water pump lifting to waste water treatment tank
In, in collecting pit the start and stop of water pump pass through Liquid level.The volume of waste water treatment tank is set according to refuse transfer station garbage treatment quantity
It sets, generally often handles one ton of rubbish and generate 50-100L waste water.After transfer station works (night shift is After Hours), processing is set
It is standby to start running.Using following processing method：
A kind of processing method of refuse transfer station percolate, includes the following steps：
(1), the percolate of refuse transfer station is collected, and is collected into waste water treatment tank；
(2), start the stirring motor in waste water treatment tank, and to sodium hydroxide solution is added in waste water treatment tank, adjust useless
The pH of water is between 6-9；The activated carbon for adding 0.1 ‰ -1 ‰ load Ti, stirs 5min；Add 0.1%-3% chlorine
Acid salt solution is stirred for reaction 30min；Stop stirring motor；
(3), ozone generator is opened, ozone is sprayed from the titanium alloy aeration head of wastewater treatment pot bottom, to waste water treatment tank
Interior waste water carries out ozone Oxidation Treatment, processing time 1-4h, and control pH after the completion of processing, is closed in 6-9 ranges in processing procedure
Close ozone generator；
(4) it, is again turned on stirring motor, medicament PAC and PAM used in coagulating sedimentation is added, is operated according to conventional coagulation, is mixed
It coagulates after reaction, the waste water in waste water treatment tank is all drawn to folded spiral shell filter press by pumping and is separated by solid-liquid separation, after up to standard
Clear water enter municipal sewage pipe network.
Further, step (2) in, adjust the pH of waste water between 7-8；The activated carbon for being added described 0.1 ‰ -1 ‰ is matter
Volume ratio is measured, i.e. 0.1kg-1kg activated carbons are added in 1000L waste water.Add 0.1%-3% hypochlorite solutions, wherein
0.1%-3% is volume ratio, i.e., 1L-30L is added in 1000L waste water, and optimal is 15-30L.
Further, step (2) described in hypochlorite solutions be that sodium hypochlorite, calcium hypochlorite or sodium hypochlorite occur
The sodium hypochlorite that device generates, wherein effective chlorine density are not less than 10%.
Further, step (3) in, the ozone Oxidation Treatment time be 2-4h.
In whole processing technology flow of the present invention, occupation area of equipment is small, and pH is adjusted, hypochlorite is handled, ozone treatment
It can be completed in a waste water treatment tank with coagulating；For the big feature of waste water water, change of water quality, equipment can interval
Operation, the waste water that terminal generates are collected and are stored in reactor, handled on one's own time；Hypochlorite processing can
Specific aim solves the problems, such as that ammonia nitrogen in waste water content is high, coloration is big, stench；Ozone treatment can specific aim solve chroma in waste water it is big, can
The problem of biochemical is poor, stench；The activated carbon of load Ti is added to as catalyst, the anti-of hypochlorite and ozone can be improved
Efficiency is answered, catalyst is recyclable, Reusability.Coagulating sedimentation can specific aim solve that chroma in waste water is big, suspension content is high asks
Topic；To realize effective, the harmless treatment of percolate, the feature of environmental protection of refuse transfer station is improved.
Treatment effect compares
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology can all carry out modifications and changes to above-described embodiment without violating the spirit and scope of the present invention.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should by the present invention claim be covered.
Claims (5)
1. a kind of processing method of refuse transfer station percolate, it is characterised in that：Include the following steps：
(1), the percolate of refuse transfer station is collected, and is collected into waste water treatment tank；
(2), start the stirring motor in waste water treatment tank, and to sodium hydroxide solution is added in waste water treatment tank, adjust waste water
PH is between 6-9；The activated carbon for adding 0.1 ‰ -1 ‰ load Ti, stirs 5min；Add 0.1%-3% hypochlorites
Solution is stirred for reaction 30min；Stop stirring motor；
(3), ozone generator is opened, ozone is sprayed from the titanium alloy aeration head of wastewater treatment pot bottom, in waste water treatment tank
Waste water carries out ozone Oxidation Treatment, and processing time 1-4h, control pH is in 6-9 ranges in processing procedure, after the completion of processing, closes smelly
Oxygen Generator；
(4) it, is again turned on stirring motor, medicament PAC and PAM used in coagulating sedimentation is added, is operated according to conventional coagulation, coagulation is anti-
After answering, the waste water in waste water treatment tank is all drawn to folded spiral shell filter press by pumping and is separated by solid-liquid separation, it is up to standard after it is clear
Water enters municipal sewage pipe network.
2. the processing method of refuse transfer station percolate according to claim 1, it is characterised in that：Step (2) in, adjust
The pH of waste water is between 7-8；The activated carbon for being added described 0.1 ‰ -1 ‰ is mass volume ratio, i.e. 0.1kg is added in 1000L waste water
~1kg activated carbons.
3. the processing method of refuse transfer station percolate according to claim 1, it is characterised in that：Step (2) described in time
Solution of chlorate is the sodium hypochlorite that sodium hypochlorite, calcium hypochlorite or hypochlorite generator generate, wherein effective chlorine density
Not less than 10%.
4. the processing method of refuse transfer station percolate according to claim 1, it is characterised in that：Step (3) in, it is described
The ozone Oxidation Treatment time is 2-4h.
5. the processing method of refuse transfer station percolate according to claim 1, it is characterised in that：Step (2) in, be added
0.15%-3% hypochlorite solutions.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111153526A (en) * | 2020-01-20 | 2020-05-15 | 上海泓济环保科技股份有限公司 | Garbage transfer station leachate wastewater pretreatment integrated equipment and method |
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