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231225s2017 xx |||||o 00| ||eng c |
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|a 10.1016/j.wasman.2017.08.034
|2 doi
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|a pubmed25n0917.xml
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|a (PII)S0956-053X(17)30612-8
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Mandal, Pubali
|e verfasserin
|4 aut
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|a Review on landfill leachate treatment by electrochemical oxidation
|b Drawbacks, challenges and future scope
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|c 2017
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 08.11.2017
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|a Date Revised 08.11.2017
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2017 Elsevier Ltd. All rights reserved.
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|a Various studies on landfill leachate treatment by electrochemical oxidation have indicated that this process can effectively reduce two major pollutants present in landfill leachate; organic matter and ammonium nitrogen. In addition, the process is able to enhance the biodegradability index (BOD/COD) of landfill leachate, which make mature or stabilized landfill leachate suitable for biological treatment. The elevated concentration of ammonium nitrogen especially observed in bioreactor landfill leachate can also be reduced by electrochemical oxidation. The pollutant removal efficiency of the system depends upon the mechanism of oxidation (direct or indirect oxidation) which depends upon the property of anode material. Applied current density, pH, type and concentration of electrolyte, inter-electrode gap, mass transfer mode, total anode area to volume of effluent to be treated ratio, temperature, flow rate or flow velocity, reactor geometry, cathode material and lamp power during photoelectrochemical oxidation may also influence the system performance. In this review paper, past and present scenarios of landfill leachate treatment efficiencies and costs of various lab scale, pilot scale electrochemical oxidation studies asa standalone system or integrated with biological and physicochemical processes have been reviewed with the conclusion that electrochemical oxidation can be employed asa complementary treatment system with biological process for conventional landfill leachate treatment as well asa standalone system for ammonium nitrogen removal from bioreactor landfill leachate. Furthermore, present drawbacks of electrochemical oxidation process asa landfill leachate treatment system and relevance of incorporating life cycle assessment into the decision-making process besides process efficiency and cost, have been discussed
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|a Journal Article
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|a Review
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|a Ammonium nitrogen
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|a Anodic oxidation
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|a COD
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|a Organic matter
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|a Wastewater treatment
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|a Water Pollutants, Chemical
|2 NLM
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1 |
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|a Dubey, Brajesh K
|e verfasserin
|4 aut
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| 700 |
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|a Gupta, Ashok K
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Waste management (New York, N.Y.)
|d 1999
|g 69(2017) vom: 01. Nov., Seite 250-273
|w (DE-627)NLM098197061
|x 1879-2456
|7 nnns
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| 773 |
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|g volume:69
|g year:2017
|g day:01
|g month:11
|g pages:250-273
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|u http://dx.doi.org/10.1016/j.wasman.2017.08.034
|3 Volltext
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