CN105967395A - Method for treating garbage leachate - Google Patents

Method for treating garbage leachate Download PDF

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Publication number
CN105967395A
CN105967395A CN201610471284.1A CN201610471284A CN105967395A CN 105967395 A CN105967395 A CN 105967395A CN 201610471284 A CN201610471284 A CN 201610471284A CN 105967395 A CN105967395 A CN 105967395A
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China
Prior art keywords
percolate
ammonia nitrogen
heavy metals
weight
processing method
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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
CN201610471284.1A
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Chinese (zh)
Inventor
吴任枝
谢胜
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Science And Technology Development Centre Pubei County
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Science And Technology Development Centre Pubei County
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Priority to CN201610471284.1A priority Critical patent/CN105967395A/en
Publication of CN105967395A publication Critical patent/CN105967395A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
    • 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
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
    • 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
    • C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
    • 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
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/16—Nitrogen compounds, e.g. ammonia
    • 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
    • C02F2101/10—Inorganic compounds
    • C02F2101/20—Heavy metals or heavy metal compounds

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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)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Water Treatment By Sorption (AREA)

Abstract

The invention belongs to the technical field of garbage disposal, in particular to a method for treating garbage leachate. The method comprises the following steps: after being subjected to treatment of heavy metal removal, treatment of ammonia nitrogen removal and treatment of flocculation neutralization, the garbage leachate enters a nearby urban sewage treatment plant for conventional sewage treatment. The method provided by the invention has simple steps which are easy to control, the whole process mainly adopts a chemical precipitation method, the used time is short, the investment is low, the effect is good, and the method is a technology worthy of popularization.

Description

A kind of processing method of percolate
Technical field
The present invention relates to technical field of waste treatment, having is the processing method of a kind of percolate.
Background technology
Percolate is the high concentrated organic wastewater of a kind of complicated component, is mainly derived from precipitation, biology Degradation water and rubbish itself interior aqueous, if do not dealt carefully with, can cause serious pollution of ecological environment and danger Evil health.In recent years, owing to lacking technological guidance, operation cost is high, operation supervision is the tightest Reason, for pursuing benefit, some percolate operation enterprise row steathily omit in printing, severe contamination underground Water, surface water, soil, not only broken up ecological environment, goes back serious harm health.
Consumer waste landfill percolate is the main source of percolate, and it is a kind of containing highly concentrated Degree Organic substance, the waste water of high ammonia nitrogen, its water quality and quantity is filled the factors such as phase, weather, precipitation by landfill yard Affect bigger.Deal with improperly, it will severe contamination surface water, subsoil water and soil around, to environment Constitute a serious threat with health.
At present, reverse osmosis technology is one of most efficient method processing refuse leachate, but this technology Process percolate and still there is a lot of problem.Mainly reverse osmosis membrane easily blocks, and membrane flux reduces Quickly, need instantaneously changing, add investment operating cost, thus limit it and promote the use of.
Summary of the invention
The technical problem to be solved in the present invention is to provide the processing method of a kind of percolate, is reducing fortune While row cost, effectively remove the harmful components such as the heavy metal in percolate and ammonia nitrogen.
For solve above-mentioned technical problem, the present invention by the following technical solutions:
A kind of processing method of percolate, be percolate is sequentially passed through removing heavy metals process, After removing NH_3-N treating and flocculation neutralisation treatment, enter neighboring towns sewage treatment plant and carry out the dirt of routine Water processes.
In technique scheme:
Described go removing heavy metals to process process be: the pH value of percolate is regulated to 9～11, so The heavy metal scavenger of its weight 0.1%～1% of rear input, under conditions of being stirred continuously react 5～ 10min, is subsequently adding percolate weight 0.01%～0.1% activated carbon, stands 6～12 hours, Gained supernatant is the percolate after removing heavy metals；
Wherein, the preparation process of described heavy metal scavenger is: in water add iron chloride, aluminum chloride and Manganese chloride, prepared iron concentration is 0.5～1mol/L, aluminium ion concentration is 0.8～1.2mol/L, Manganese ion concentration is the mixed solution of 0.1～0.5mol/L, in the case of being stirred continuously, adds hydrogen-oxygen Changing sodium solution regulation is 7～8 to pH value, takes precipitation, wash precipitate 3～5 times with water after standing clarification After, it is dried and is crushed to 80～120 mesh,.
The process of described removal NH_3-N treating is: put into it in the percolate after removing removing heavy metals heavy The ammonia nitrogen scavenger of amount 0.1%～0.5%, reacts 5～10min under conditions of being stirred continuously, then adds Enter the modified zeolite powder of the percolate weight after removing heavy metals 0.1%～0.5%, stand 6～12 Hour, gained supernatant is the percolate after removing ammonia nitrogen.
Wherein, the preparation process of described ammonia nitrogen scavenger is: by manganous hydroxide, silicon dioxide, aluminium oxide, Ferrum oxide, titanium dioxide and calcium oxide are according to 40～50:10～15:6～12:1～5:20～35:10～20 Weight ratio co-grinding is to 20～40 mesh.
The process of described flocculation neutralisation treatment is: add flocculant in the percolate after removing ammonia nitrogen After flocculation sediment, the pH value of supernatant is regulated to neutral.
Wherein, described flocculant be aluminum sulfate, aluminum chloride, iron sulfate, iron chloride, aluminium polychlorid, Polyaluminium sulfate, poly-ferric chloride or bodied ferric sulfate.
The invention have the benefit that
The method step of the present invention is simple and easy to control, refuse leachate is sequentially passed through removing heavy metals process, After removing NH_3-N treating and flocculation neutralisation treatment, enter back into neighboring towns sewage treatment plant and carry out at routine Reason, whole process mainly uses chemical precipitation method to carry out, and the time used is short, and less investment is effective, is A kind of technology being worthy to be popularized.
Detailed description of the invention
Below in conjunction with specific embodiment for instruction and explanation of the present invention.
Embodiment 1
A kind of processing method of percolate, be percolate is sequentially passed through removing heavy metals process, After removing NH_3-N treating and flocculation neutralisation treatment, enter neighboring towns sewage treatment plant and carry out the dirt of routine Water processes.
The process going removing heavy metals to process is: regulates the pH value of percolate to 10, then puts into The heavy metal scavenger of its weight 0.5%, reacts 8min under conditions of being stirred continuously, is subsequently adding rubbish Rubbish percolate weight 0.05% activated carbon, stands 10 hours, after gained supernatant is removing heavy metals Percolate；
The preparation process of heavy metal scavenger is: add iron chloride, aluminum chloride and manganese chloride, system in water Iron concentration be 0.8mol/L, aluminium ion concentration be 0.9mol/L, manganese ion concentration be 0.3mol/L Mixed solution, in the case of being stirred continuously, add sodium hydroxide solution regulation to pH value be 7, quiet Take precipitation after putting clarification, after washing precipitate 4 times with water, be dried and be crushed to 100 mesh,.
The process removing NH_3-N treating is: put into its weight 0.3 in the percolate after removing removing heavy metals The ammonia nitrogen scavenger of %, reacts 8min, after being subsequently adding removing heavy metals under conditions of being stirred continuously The modified zeolite powder of percolate weight 0.3%, stands 8 hours, and gained supernatant is removal ammonia Percolate after nitrogen.
The preparation process of ammonia nitrogen scavenger is: by manganous hydroxide, silicon dioxide, aluminium oxide, ferrum oxide, Titanium dioxide and calcium oxide according to the weight ratio co-grinding of 45:13:10:3:30:15 to 30 mesh.
The process of flocculation neutralisation treatment is: add flocculant in the percolate after removing ammonia nitrogen (poly- Close aluminum chloride) after flocculation sediment, the pH value of supernatant is regulated to neutral.
Embodiment 2
A kind of processing method of percolate, be percolate is sequentially passed through removing heavy metals process, After removing NH_3-N treating and flocculation neutralisation treatment, enter neighboring towns sewage treatment plant and carry out the dirt of routine Water processes.
The process going removing heavy metals to process is: regulates the pH value of percolate to 9, then puts into it The heavy metal scavenger of weight 0.8%, reacts 10min under conditions of being stirred continuously, is subsequently adding rubbish Percolate weight 0.01% activated carbon, stands 9 hours, and gained supernatant is the rubbish after removing heavy metals Rubbish percolate；
The preparation process of heavy metal scavenger is: add iron chloride, aluminum chloride and manganese chloride, system in water Iron concentration be 1mol/L, aluminium ion concentration be 0.8mol/L, manganese ion concentration be 0.3mol/L Mixed solution, in the case of being stirred continuously, add sodium hydroxide solution regulation to pH value be 8, quiet Take precipitation after putting clarification, after washing precipitate 3 times with water, be dried and be crushed to 100 mesh,.
The process removing NH_3-N treating is: put into its weight 0.5 in the percolate after removing removing heavy metals The ammonia nitrogen scavenger of %, reacts 5min, after being subsequently adding removing heavy metals under conditions of being stirred continuously The modified zeolite powder of percolate weight 0.3%, stands 12 hours, and gained supernatant is removal ammonia Percolate after nitrogen.
The preparation process of ammonia nitrogen scavenger is: by manganous hydroxide, silicon dioxide, aluminium oxide, ferrum oxide, Titanium dioxide and calcium oxide according to the weight ratio co-grinding of 40:13:12:1:29:20 to 20 mesh.
The process of flocculation neutralisation treatment is: add flocculant in the percolate after removing ammonia nitrogen (poly- Close aluminum sulfate) after flocculation sediment, the pH value of supernatant is regulated to neutral.
Embodiment 3
A kind of processing method of percolate, be percolate is sequentially passed through removing heavy metals process, After removing NH_3-N treating and flocculation neutralisation treatment, enter neighboring towns sewage treatment plant and carry out the dirt of routine Water processes.
The process going removing heavy metals to process is: regulates the pH value of percolate to 10, then puts into The heavy metal scavenger of its weight 1%, reacts 5min under conditions of being stirred continuously, is subsequently adding rubbish Percolate weight 0.05% activated carbon, stands 12 hours, after gained supernatant is removing heavy metals Percolate；
The preparation process of heavy metal scavenger is: add iron chloride, aluminum chloride and manganese chloride, system in water Iron concentration be 0.5mol/L, aluminium ion concentration be 1mol/L, manganese ion concentration be 0.5mol/L Mixed solution, in the case of being stirred continuously, add sodium hydroxide solution regulation to pH value be 7, quiet Take precipitation after putting clarification, after washing precipitate 4 times with water, be dried and be crushed to 120 mesh,.
The process removing NH_3-N treating is: put into its weight 0.1 in the percolate after removing removing heavy metals The ammonia nitrogen scavenger of %, reacts 8min, after being subsequently adding removing heavy metals under conditions of being stirred continuously The modified zeolite powder of percolate weight 0.5%, stands 6 hours, and gained supernatant is removal ammonia Percolate after nitrogen.
The preparation process of ammonia nitrogen scavenger is: by manganous hydroxide, silicon dioxide, aluminium oxide, ferrum oxide, Titanium dioxide and calcium oxide according to the weight ratio co-grinding of 45:15:6:2.5:35:10 to 30 mesh.
The process of flocculation neutralisation treatment is: add flocculant in the percolate after removing ammonia nitrogen (poly- Close iron chloride) after flocculation sediment, the pH value of supernatant is regulated to neutral.
Embodiment 4
A kind of processing method of percolate, be percolate is sequentially passed through removing heavy metals process, After removing NH_3-N treating and flocculation neutralisation treatment, enter neighboring towns sewage treatment plant and carry out the dirt of routine Water processes.
The process going removing heavy metals to process is: regulates the pH value of percolate to 11, then puts into The heavy metal scavenger of its weight 0.1%, reacts 6min under conditions of being stirred continuously, is subsequently adding rubbish Rubbish percolate weight 0.1% activated carbon, stands 6 hours, after gained supernatant is removing heavy metals Percolate；
The preparation process of heavy metal scavenger is: add iron chloride, aluminum chloride and manganese chloride, system in water Iron concentration be 0.8mol/L, aluminium ion concentration be 1.2mol/L, manganese ion concentration be 0.1mol/L Mixed solution, in the case of being stirred continuously, add sodium hydroxide solution regulation to pH value be 8, quiet Take precipitation after putting clarification, after washing precipitate 5 times with water, be dried and be crushed to 80 mesh,.
The process removing NH_3-N treating is: put into its weight in the percolate after removing removing heavy metals The ammonia nitrogen scavenger of 0.25%, reacts 10min under conditions of being stirred continuously, and is subsequently adding a removal huge sum of money The modified zeolite powder of the percolate weight 0.1% after genus, stands 10 hours, and gained supernatant is Remove the percolate after ammonia nitrogen.
The preparation process of ammonia nitrogen scavenger is: by manganous hydroxide, silicon dioxide, aluminium oxide, ferrum oxide, Titanium dioxide and calcium oxide according to the weight ratio co-grinding of 50:10:8:5:20:16 to 40 mesh.
The process of flocculation neutralisation treatment is: add flocculant (sulfur in the percolate after removing ammonia nitrogen Acid aluminum) after flocculation sediment, the pH value of supernatant is regulated to neutral.

Claims (5)

1. the processing method of a percolate, it is characterised in that by percolate successively warp After the process of past removing heavy metals, removal NH_3-N treating and flocculation neutralisation treatment, enter neighboring towns dirty Water treatment plant carries out the sewage disposal of routine.
Processing method the most according to claim 1, it is characterised in that described in remove removing heavy metals The process processed is: regulates the pH value of percolate to 9～11, then puts into its weight 0.1 The heavy metal scavenger of %～1%, reacts 5～10min under conditions of being stirred continuously, is subsequently adding Percolate weight 0.01%～0.1% activated carbon, stands 6～12 hours, and gained supernatant is i.e. For removing the percolate after removing heavy metals；
The preparation process of described heavy metal scavenger is: add iron chloride, aluminum chloride and chlorination in water Manganese, prepared iron concentration is 0.5～1mol/L, aluminium ion concentration is 0.8～1.2mol/L, Manganese ion concentration is the mixed solution of 0.1～0.5mol/L, in the case of being stirred continuously, adds Sodium hydroxide solution regulation is 7～8 to pH value, takes precipitation, wash precipitate with water after standing clarification After 3～5 times, it is dried and is crushed to 80～120 mesh,.
Processing method the most according to claim 2, it is characterised in that: at described removal ammonia nitrogen The process of reason is: put into its weight 0.1%～0.5% in the percolate after removing removing heavy metals Ammonia nitrogen scavenger, reacts 5～10min, after being subsequently adding removing heavy metals under conditions of being stirred continuously The modified zeolite powder of percolate weight 0.1%～0.5%, stand 6～12 hours, on gained Clear liquid is the percolate after removing ammonia nitrogen.
The preparation process of described ammonia nitrogen scavenger is: by manganous hydroxide, silicon dioxide, aluminium oxide, oxygen Change ferrum, titanium dioxide and calcium oxide according to 40～50:10～15:6～12:1～5:20～35:10～20 Weight ratio co-grinding to 20～40 mesh.
Processing method the most according to claim 3, it is characterised in that: at described flocculation neutralization The process of reason is: after adding flocculant flocculation sediment in the percolate after removing ammonia nitrogen, by upper The pH value regulation of clear liquid is to neutral.
Processing method the most according to claim 4, it is characterised in that: described flocculant is Aluminum sulfate, aluminum chloride, iron sulfate, iron chloride, aluminium polychlorid, polyaluminium sulfate, polyaluminium Ferrum or bodied ferric sulfate.
CN201610471284.1A 2016-06-24 2016-06-24 Method for treating garbage leachate Pending CN105967395A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115651663A (en) * 2022-10-10 2023-01-31 昆明理工大学 Heavy metal contaminated soil remediation agent and preparation method and application thereof

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5238580A (en) * 1992-09-18 1993-08-24 Green Environmental Services, Inc. Method for treating landfill leachate
JP2003094088A (en) * 2001-09-21 2003-04-02 Ataka Construction & Engineering Co Ltd Water treatment system
CN101423278A (en) * 2008-11-24 2009-05-06 中国科学院生态环境研究中心 Multiple element composite metal oxidate arsenic removal settling agent and use method thereof
CN102329057A (en) * 2011-09-09 2012-01-25 杭州江南科学研究院有限公司 Method for treating high concentration ammonia nitrogen landfill leachate
CN102583844A (en) * 2011-12-27 2012-07-18 中国科学院城市环境研究所 Operation method for treating garbage incineration plant leachate and urban sewage in combined mode
CN104986906A (en) * 2015-06-09 2015-10-21 江苏理工学院 Method for treating dangerous and waste leachate
CN105582880A (en) * 2014-11-15 2016-05-18 百米马（天津）有限公司 Efficient biological adsorbent for sewage treatment

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5238580A (en) * 1992-09-18 1993-08-24 Green Environmental Services, Inc. Method for treating landfill leachate
JP2003094088A (en) * 2001-09-21 2003-04-02 Ataka Construction & Engineering Co Ltd Water treatment system
CN101423278A (en) * 2008-11-24 2009-05-06 中国科学院生态环境研究中心 Multiple element composite metal oxidate arsenic removal settling agent and use method thereof
CN102329057A (en) * 2011-09-09 2012-01-25 杭州江南科学研究院有限公司 Method for treating high concentration ammonia nitrogen landfill leachate
CN102583844A (en) * 2011-12-27 2012-07-18 中国科学院城市环境研究所 Operation method for treating garbage incineration plant leachate and urban sewage in combined mode
CN105582880A (en) * 2014-11-15 2016-05-18 百米马（天津）有限公司 Efficient biological adsorbent for sewage treatment
CN104986906A (en) * 2015-06-09 2015-10-21 江苏理工学院 Method for treating dangerous and waste leachate

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
杨叶等: "垃圾渗滤液净化物理化学处理方法研究", 《环境科学导刊》 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115651663A (en) * 2022-10-10 2023-01-31 昆明理工大学 Heavy metal contaminated soil remediation agent and preparation method and application thereof
CN115651663B (en) * 2022-10-10 2024-04-12 昆明理工大学 Heavy metal contaminated soil restoration agent and preparation method and application thereof

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Application publication date: 20160928