REMOVAL OF CHROMIUM III FROM LIQUID EFFLUENT STREAMS BY PRECIPITATE FLOTATION

机译：沉淀浮选从液流中去除铬Ⅲ

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Heavy metal pollution has become one of the most serious problems today. Chromium is a well known highly toxic metal, considered as a priority environmental pollutant introduced into natural waters from a variety of industrial wastewaters. In this paper, the removal of chromium III from dilute aqueous solutions using sodium dodecylsulfate (SDS) as an anionic collector was investigated by precipitate flotation at a laboratory scale, based on the analysis of the zeta potential studies and the flotability of chromium hydroxide precipitates. The results showed that the isoelectric point of Cr(OH)_3 precipitates is around pH=8,5 where a 96,2% maximum removal was reached.

机译：重金属污染已成为当今最严重的问题之一。铬是一种众所周知的剧毒金属，被认为是从各种工业废水引入天然水中的优先环境污染物。本文基于zeta电位研究和氢氧化铬沉淀物的浮选性，在实验室规模下通过沉淀物浮选研究了使用十二烷基硫酸钠（SDS）作为阴离子收集剂从稀水溶液中去除铬III的方法。结果表明，Cr（OH）_3沉淀的等电点在pH = 8.5左右，最大去除率达到96.2％。

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来源
《Global Symposium on Recycling, Waste Treatment and Clean Technology; 20040926-29; Madrid(ES)》|2004年|P.1029-1038|共10页
会议地点 Madrid(ES)
作者
Belenia Y. Medina; Mauricio L Torem; Luciana M. S. de Mesquita;
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作者单位

Department of Science Materials and Metallurgy Catholic University of Rio de Janeiro, Marques de Sao Vicente, 225-Gavea, 22453.900, Rio de Janeiro, Brazil.;

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原文格式 PDF
正文语种 eng
中图分类废物处理与综合利用;
关键词
chromium Ⅲ, precipitate flotation; industrial wastes;

机译：铬Ⅲ，沉淀浮选；工业废料;

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1. Evaluation of rhamnolipid (RL) as a biosurfactant for the removal of chromium from aqueous solutions by precipitate flotation [J] . Ali Salmani Abyaneh, Mohammad Hassan Fazaelipoor Journal of Environmental Management . 2016,第JANa1期

机译：评价鼠李糖脂（RL）作为通过沉淀浮选从水溶液中去除铬的生物表面活性剂
2. Chromium Speciation and Removal of Chromium(III) by Complexation in Nilufer Stream, Turkey [J] . M. Suat Aksoy Asian Journal of Chemistry: An International Quarterly Research Journal of Chemistry . 2009,第9期

机译：土耳其Nilufer流中铬的形态形成和络合去除铬（III）
3. Development of a rapid and reliable liquid-liquid extractive method for the effective removal of chromium(VI) from electroplating waste water and tannery effluents [J] . Kokare Arjun, Suryavanshi Vishal, Zanje Sunil, Russian Journal of Inorganic Chemistry . 2017,第4期

机译：一种快速可靠的液 - 液萃取方法，用于从电镀废水和制革流水中有效去除铬（VI）
4. REMOVAL OF CHROMIUM III FROM LIQUID EFFLUENT STREAMS BY PRECIPITATE FLOTATION [C] . Belenia Y. Medina, Mauricio L Torem, Luciana M. S. de Mesquita Global Symposium on Recycling, Waste Treatment and Clean Technology . 2004

机译：通过沉淀浮选从液体流出物流中除去铬III
5. Removal of toxic metal from dilute synthetic solutions by ion- and precipitate-flotation. [D] . Sreenivasarao, Kandipati. 1996

机译：通过离子浮选和沉淀浮选从稀释的合成溶液中去除有毒金属。
6. Opuntia ficus-indica is an excellent eco-friendly biosorbent for the removal of chromium in leather industry effluents [O] . Juliana Andreza Figueirôa, Guilherme Urias Menezes Novaes, Hélder de Souza Gomes, 2021

机译：Apuntia Ficus-indica是一种优异的生态友好的生物吸附剂用于去除皮革工业流出物中的铬
7. The removal of toxic metals from liquid effluents by ion exchange resins. Part IV: Chromium(III)/H⁺/Lewatit SP112 [O] . Francisco José Alguacil 2017

机译：通过离子交换树脂从液体流出物中去除有毒金属。部分IV：铬（III）/ H ^{+ / Lewatit sp112}

REMOVAL OF CHROMIUM III FROM LIQUID EFFLUENT STREAMS BY PRECIPITATE FLOTATION

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