Characterization of nanofiltration membrane and its practical use for separation of zinc from wastewater

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216275%3A25310%2F18%3A39912899" target="_blank" >RIV/00216275:25310/18:39912899 - isvavai.cz</a>

Result on the web

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DOI - Digital Object Identifier

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Result language

angličtina

Original language name

Characterization of nanofiltration membrane and its practical use for separation of zinc from wastewater

Original language description

The focus of this work is to examine the ability of a commercially available nanofiltration membrane (AFC 30) for the separation of toxic zinc sulphate from wastewater to meet the maximum contaminant level set by government regulation of countries established. In this study, two independent pore models (Donnan Steric Pore model – DSP model, and Steric Hindrance Pore model – SHP model) together with experiments with neutral solutes at various process conditions have been used. A very good agreement was found using the DSP and SHP model, which fit well with the experimental values of different neutral solutes examined. The outcome indicates that the two independent models could be used to predict and interpret the structural properties of nanofiltration (NF) membrane. The influence of the operating variables such as feed solution concentration applied transmembrane pressure, and pH on zinc separation was studied. It has been found that metal rejection increases slightly with increasing of feed concentration in the tested range of 50 – 200 mg Zn/L. A similar trend was observed with the impact of a pressure difference. The maximum value of zinc rejection was 99.3 % for all feed concentrations. The minimum rejection was at a pressure of 5 bars and for the lowest concentration (50 mg Zn/L) was almost 98 %. In addition, rejections of zinc were very high for all pH tested (5.3 – 6.5). The results obtained show that the tested commercially available nanofiltration membrane (AFC 30) is suitable for the separation of zinc from wastewater.

Czech name

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Czech description

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Type

J_SC - Article in a specialist periodical, which is included in the SCOPUS database

CEP classification

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OECD FORD branch

20402 - Chemical process engineering

Project

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Continuities

S - Specificky vyzkum na vysokych skolach

Publication year

2018

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Waste Forum

ISSN

1804-0195

e-ISSN

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Volume of the periodical

neuveden

Issue of the periodical within the volume

3

Country of publishing house

CZ - CZECH REPUBLIC

Number of pages

12

Pages from-to

314-325

UT code for WoS article

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EID of the result in the Scopus database

2-s2.0-85053474443