2009
DOI: 10.1139/s08-053
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Membrane-based treatment for tanning wastewatersA paper submitted to the Journal of Environmental Engineering and Science.

Abstract: Tanning wastewater was subjected to different unit operations to select the best treatment sequences. Textile membrane filtration (TMF), microfiltration (MF), and ultrafiltration (UF) were complemented by screening, flocculation or flotation operations. The general chemical characterization determined that the wastewater had a high organic load. The ecotoxicological study classified the wastewater as highly ecotoxic. The sequence of screening-TMF-UF was found to be the optimal treatment for wastewaters of the … Show more

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Cited by 14 publications
(3 citation statements)
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“…Aiming at full sustainability of CO 2 separation processes, Tomé et al [190] successfully prepared SILMs based on environmentally friendly cholinium carboxylate ionic liquids, which exhibited good CO 2 /CH 4 selectivity (between 21 and 31) and CO 2 /N 2 selectivity (from 39 to 50) at 20 • C under dry conditions. However, their CO 2 permeability was significantly lower (2)(3)(4)(5)(6)(7)(8)(9)(10)(11)(12)(13)(14)(15)(16)(17)(18) than that of other ionic liquid families. The major bottleneck of using cholinium carboxylates under dry conditions is their high viscosities, which lead to long absorption equilibrium times.…”
Section: Membranes For Gas Separationmentioning
confidence: 89%
See 1 more Smart Citation
“…Aiming at full sustainability of CO 2 separation processes, Tomé et al [190] successfully prepared SILMs based on environmentally friendly cholinium carboxylate ionic liquids, which exhibited good CO 2 /CH 4 selectivity (between 21 and 31) and CO 2 /N 2 selectivity (from 39 to 50) at 20 • C under dry conditions. However, their CO 2 permeability was significantly lower (2)(3)(4)(5)(6)(7)(8)(9)(10)(11)(12)(13)(14)(15)(16)(17)(18) than that of other ionic liquid families. The major bottleneck of using cholinium carboxylates under dry conditions is their high viscosities, which lead to long absorption equilibrium times.…”
Section: Membranes For Gas Separationmentioning
confidence: 89%
“…Furthermore, nanofiltration (NF) concentrates were used as vegetal tanning agents in the leather industry [14]. UF and NF have also been investigated for the tertiary treatment of leather industry effluents [15][16][17]. In the pulp and paper industry, pioneering work was carried out on water recovery by the NF of bleach plant effluents and the development of hybrid processes of NF/ED and flotation/UF [6,7,[18][19][20][21][22].…”
Section: Historical Perspective On Membrane Science and Technologymentioning
confidence: 99%
“…A number of methods viz. chemical precipitation [4], coagulation [5], adsorption [6], solvent extraction [7], ion exchange [8], biosorption [9], membrane separation [10,11], etc. are available for removal of metal ions from liquid waste streams.…”
Section: Introductionmentioning
confidence: 99%