Treatment of Direct Blending Dye Wastewater and Recycling of Dye Sludge
A new sorbent material, barium sulfate-Direct Blending Yellow D-3RNL hybrid (BSD), was synthesized and characterized by various methods. Both the anionic dyes, Reactive Brilliant Red X-3B and Weak Acid Green GS were hardly adsorbed by the BSD material, while the sorption of Ethyl Violet (EV) and Vic...
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MDPI AG
2012-03-01
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Series: | Molecules |
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Online Access: | http://www.mdpi.com/1420-3049/17/3/2784/ |
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author | Ming-Li Li Xin-Hui Xu Yuan Yuan |
author_facet | Ming-Li Li Xin-Hui Xu Yuan Yuan |
author_sort | Ming-Li Li |
collection | DOAJ |
description | A new sorbent material, barium sulfate-Direct Blending Yellow D-3RNL hybrid (BSD), was synthesized and characterized by various methods. Both the anionic dyes, Reactive Brilliant Red X-3B and Weak Acid Green GS were hardly adsorbed by the BSD material, while the sorption of Ethyl Violet (EV) and Victoria Blue B were extremely obvious. The sorption of cationic dyes obeyed the Langmuir isotherm model, which depended on the electric charge attraction. The saturation amount of EV adsorbed onto the BSD material approached to 39.36 mg/g. The sorption of EV changed little with pH from 3 to 12 while it increased with increasing levels of electrolyte. A dye wastewater sampled from Jinjiang Chemicals was treated, and the color removal rate was more than the COD removal rate. In addition, the cationic dye-BSD sludge was utilized as a colorant fill-in coating. The light stability and thermal stability of the colorant was measured and exhibited good features. This work provided a simple and eco-friendly method for dye wastewater treatment with recycling of waste. |
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institution | Directory Open Access Journal |
issn | 1420-3049 |
language | English |
last_indexed | 2024-12-23T21:05:14Z |
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series | Molecules |
spelling | doaj.art-ad736346df494cc49e3667e0ccb272f42022-12-21T17:31:15ZengMDPI AGMolecules1420-30492012-03-011732784279510.3390/molecules17032784Treatment of Direct Blending Dye Wastewater and Recycling of Dye SludgeMing-Li LiXin-Hui XuYuan YuanA new sorbent material, barium sulfate-Direct Blending Yellow D-3RNL hybrid (BSD), was synthesized and characterized by various methods. Both the anionic dyes, Reactive Brilliant Red X-3B and Weak Acid Green GS were hardly adsorbed by the BSD material, while the sorption of Ethyl Violet (EV) and Victoria Blue B were extremely obvious. The sorption of cationic dyes obeyed the Langmuir isotherm model, which depended on the electric charge attraction. The saturation amount of EV adsorbed onto the BSD material approached to 39.36 mg/g. The sorption of EV changed little with pH from 3 to 12 while it increased with increasing levels of electrolyte. A dye wastewater sampled from Jinjiang Chemicals was treated, and the color removal rate was more than the COD removal rate. In addition, the cationic dye-BSD sludge was utilized as a colorant fill-in coating. The light stability and thermal stability of the colorant was measured and exhibited good features. This work provided a simple and eco-friendly method for dye wastewater treatment with recycling of waste.http://www.mdpi.com/1420-3049/17/3/2784/barium sulfatedirect blending dyehybrid materialdye wastewater treatmentreuse of sludge |
spellingShingle | Ming-Li Li Xin-Hui Xu Yuan Yuan Treatment of Direct Blending Dye Wastewater and Recycling of Dye Sludge Molecules barium sulfate direct blending dye hybrid material dye wastewater treatment reuse of sludge |
title | Treatment of Direct Blending Dye Wastewater and Recycling of Dye Sludge |
title_full | Treatment of Direct Blending Dye Wastewater and Recycling of Dye Sludge |
title_fullStr | Treatment of Direct Blending Dye Wastewater and Recycling of Dye Sludge |
title_full_unstemmed | Treatment of Direct Blending Dye Wastewater and Recycling of Dye Sludge |
title_short | Treatment of Direct Blending Dye Wastewater and Recycling of Dye Sludge |
title_sort | treatment of direct blending dye wastewater and recycling of dye sludge |
topic | barium sulfate direct blending dye hybrid material dye wastewater treatment reuse of sludge |
url | http://www.mdpi.com/1420-3049/17/3/2784/ |
work_keys_str_mv | AT minglili treatmentofdirectblendingdyewastewaterandrecyclingofdyesludge AT xinhuixu treatmentofdirectblendingdyewastewaterandrecyclingofdyesludge AT yuanyuan treatmentofdirectblendingdyewastewaterandrecyclingofdyesludge |