SORPTION OF Pb(II), Cu(II) AND Cd(II) BY BIOMASS OF THE DIFFERENT ACTIVATED SLUDGE

AbstractBiomass of digested sludge and resting sludge can be easily applied as a cheap bio-adsorbent for heavy metal ions such as Pb2+, Cu2+ and Cd2+. Langmuir model was found to fit the experimental adsorption and desorption data of the heavy metal on to the biomass of sludge. That has the competit...

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Những tác giả chính: Nguyễn, Đình Trung, Trương, Đông Phương, Ning, Ping
Định dạng: Journal article
Ngôn ngữ:English
Được phát hành: 2022
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Truy cập trực tuyến:http://scholar.dlu.edu.vn/handle/123456789/1205
https://doi.org/10.22144/ctu.jen.2016.039
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Thư viện lưu trữ: Thư viện Trường Đại học Đà Lạt
id oai:scholar.dlu.edu.vn:123456789-1205
record_format dspace
institution Thư viện Trường Đại học Đà Lạt
collection Thư viện số
language English
topic Activated sludge; Bio-sorption; Cd2+; Cu2+; Pb2+
spellingShingle Activated sludge; Bio-sorption; Cd2+; Cu2+; Pb2+
Nguyễn, Đình Trung
Trương, Đông Phương
Ning, Ping
SORPTION OF Pb(II), Cu(II) AND Cd(II) BY BIOMASS OF THE DIFFERENT ACTIVATED SLUDGE
description AbstractBiomass of digested sludge and resting sludge can be easily applied as a cheap bio-adsorbent for heavy metal ions such as Pb2+, Cu2+ and Cd2+. Langmuir model was found to fit the experimental adsorption and desorption data of the heavy metal on to the biomass of sludge. That has the competition uptake between the difference metal with another when the adsorption system has the di-metal, and tri-metal combination. The maximal adsorption capacity of resting sludge was 0.517 mM Pb2+/g; 0.552 mM Cu2+/g; 0.389 mM Cd2+/g, and the maximal adsorption capacity of the digested sludge was 0.478 mM Pb2+/g, 0.43 mM Cu2+/g and 0.549 mM Cd2+/g. In the absorption system, it was found that, di-metal combine such as (Cu2+ - Cd2+), (Pb2+ ­ Cd2+), and (Cu2+ - Pb2+), the metal uptake Cu2+ ≈ 3Cd2+, Pb2+ > 3Cd2+, and Cu2+ ≈ Pb2+ respectively. When tri-metal Cu2+ - Cd2+ - Pb2+ combines the number of complex formation varies in the following order: Pb2+ > Cu2+ > Cd2+. Extracellular polymeric substances (EPS) were extracted by sonication method. Humic substances were greater than protein and polysaccharide for digested sludge, for resting sludge the protein is greater than humic. The ratio protein/polysaccharide varies from 1.25 to 2.7, this ratio is highest for resting sludge. Affinity absorption of Cu2+ and Pb2+ was higher than Cd2+, that have the competition metal uptake with functional groups such as hydroxyl, carbonyl, amide on the biomass surface of the sludge.
format Journal article
author Nguyễn, Đình Trung
Trương, Đông Phương
Ning, Ping
author_facet Nguyễn, Đình Trung
Trương, Đông Phương
Ning, Ping
author_sort Nguyễn, Đình Trung
title SORPTION OF Pb(II), Cu(II) AND Cd(II) BY BIOMASS OF THE DIFFERENT ACTIVATED SLUDGE
title_short SORPTION OF Pb(II), Cu(II) AND Cd(II) BY BIOMASS OF THE DIFFERENT ACTIVATED SLUDGE
title_full SORPTION OF Pb(II), Cu(II) AND Cd(II) BY BIOMASS OF THE DIFFERENT ACTIVATED SLUDGE
title_fullStr SORPTION OF Pb(II), Cu(II) AND Cd(II) BY BIOMASS OF THE DIFFERENT ACTIVATED SLUDGE
title_full_unstemmed SORPTION OF Pb(II), Cu(II) AND Cd(II) BY BIOMASS OF THE DIFFERENT ACTIVATED SLUDGE
title_sort sorption of pb(ii), cu(ii) and cd(ii) by biomass of the different activated sludge
publishDate 2022
url http://scholar.dlu.edu.vn/handle/123456789/1205
https://doi.org/10.22144/ctu.jen.2016.039
_version_ 1768305966782087168
spelling oai:scholar.dlu.edu.vn:123456789-12052022-10-07T09:34:36Z SORPTION OF Pb(II), Cu(II) AND Cd(II) BY BIOMASS OF THE DIFFERENT ACTIVATED SLUDGE Nguyễn, Đình Trung Trương, Đông Phương Ning, Ping Activated sludge; Bio-sorption; Cd2+; Cu2+; Pb2+ AbstractBiomass of digested sludge and resting sludge can be easily applied as a cheap bio-adsorbent for heavy metal ions such as Pb2+, Cu2+ and Cd2+. Langmuir model was found to fit the experimental adsorption and desorption data of the heavy metal on to the biomass of sludge. That has the competition uptake between the difference metal with another when the adsorption system has the di-metal, and tri-metal combination. The maximal adsorption capacity of resting sludge was 0.517 mM Pb2+/g; 0.552 mM Cu2+/g; 0.389 mM Cd2+/g, and the maximal adsorption capacity of the digested sludge was 0.478 mM Pb2+/g, 0.43 mM Cu2+/g and 0.549 mM Cd2+/g. In the absorption system, it was found that, di-metal combine such as (Cu2+ - Cd2+), (Pb2+ ­ Cd2+), and (Cu2+ - Pb2+), the metal uptake Cu2+ ≈ 3Cd2+, Pb2+ > 3Cd2+, and Cu2+ ≈ Pb2+ respectively. When tri-metal Cu2+ - Cd2+ - Pb2+ combines the number of complex formation varies in the following order: Pb2+ > Cu2+ > Cd2+. Extracellular polymeric substances (EPS) were extracted by sonication method. Humic substances were greater than protein and polysaccharide for digested sludge, for resting sludge the protein is greater than humic. The ratio protein/polysaccharide varies from 1.25 to 2.7, this ratio is highest for resting sludge. Affinity absorption of Cu2+ and Pb2+ was higher than Cd2+, that have the competition metal uptake with functional groups such as hydroxyl, carbonyl, amide on the biomass surface of the sludge. 4 20-27 2022-10-07T09:34:32Z 2022-10-07T09:34:32Z 2016-11-30 Journal article Bài báo đăng trên tạp chí trong nước (có ISSN), bao gồm book chapter http://scholar.dlu.edu.vn/handle/123456789/1205 https://doi.org/10.22144/ctu.jen.2016.039 en Can Tho University Journal of Science 2615-9422 APHA. 1992. Standard methods for the examination of water and wastewater, 18th edn. American Public Health Association, Baltimore, Md. Bagby, M.M., Sherrard, J.H., 1981. Combined effects of Cd and Ni on the activated sludge process. J. Wat. Pollut. Control. Fed. 53: 1609–1619. Box, J.D., 1983. Investigation on the Folin - Ciocalteau phenol reagent for determination of polyphenolic substances in natural waters. Water Res. 17: 511– 525. Brown, M.J., Lester, J.N., 1982. 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