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Title:Compost leachate treatment using polyaluminium chloride and nanofiltration
Authors:Simonič, Marjana (Author)
Files:.pdf Open_Chemistry_2017_Simonic_Compost_leachate_treatment_using_polyaluminium_chloride_and_nanofiltration.pdf (1,86 MB)
 
URL https://www.degruyter.com/view/j/chem.2017.15.issue-1/chem-2017-0015/chem-2017-0015.xml
 
Language:English
Work type:Scientific work (r2)
Typology:1.01 - Original Scientific Article
Organization:FKKT - Faculty of Chemistry and Chemical Engineering
Abstract:Laboratory scale filtration tests utilizing leachate were conducted to investigate fouling and filtration performance of nanofiltration membranes. The work presented in this study is conducted on real samples rather than model water. Physico-chemical analyses showed that the leachate contained a lot of organic substances, exceeding 20000 mg/L O2 expressed as chemical oxygen demand. Proper pre-treatment method must be chosen in order to reduce fouling index. Coagulation pre-treatment using poly-aluminium chloride was chosen. Two thin film polysulfone membranes were used, purchased by Osmonic Desal. The focus of this research is to assess the influence of the particle size and zeta-potential of the colloidal fraction in leachate on nanofiltration performance. The isoelectric point of both membranes was 4.7 and 4.3, respectively. The fouled membranes were negatively charged over the pH range with isoelectric point shifting to the left (lower pH) indicating the foulant material mainly not charged. It was confirmed by its zeta-potential, measured at -2 mV.
Keywords:compost leachate, coagulation, nanofiltration, zeta potential
Year of publishing:2017
Number of pages:str. 123-128
Numbering:Letn. 15
ISSN:Y507-8113
UDC:66
ISSN on article:Y507-8113
COBISS_ID:20597270 Link is opened in a new window
DOI:10.1515/chem-2017-0015 Link is opened in a new window
NUK URN:URN:SI:UM:DK:TSTFSXK9
License:CC BY-NC-ND 4.0
This work is available under this license: Creative Commons Attribution Non-Commercial No Derivatives 4.0 International
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Downloads:190
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Record is a part of a journal

Title:Open Chemistry
Publisher:De Gruyter Open
ISSN:Y507-8113
COBISS.SI-ID:28249383 New window

Document is financed by a project

Funder:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije (ARRS)
Project no.:P2-0032
Name:Procesna sistemska tehnika in trajnostni razvoj

Secondary language

Language:Slovenian
Keywords:kompost, koagulacija, nanofiltracija, zeta potencial


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