NDLI: <i>Cassia angustifolia</i> seed gum as an effective natural coagulant for decolourisation of dye solutions

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Green Chemistry Vol - 4 Issue - 2

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Green Chemistry Vol -3

Green Chemistry Vol -2

Cassia angustifolia seed gum as an effective natural coagulant for decolourisation of dye solutions

Content Provider	Royal Society of Chemistry (RSC)
Author	Bhatttacharya, Bani Singh, Vandana Sanghi, Rashmi
Copyright Year	2002
Abstract	Owing to economic advantages in addition to the potential for improved process robustness and to reduce the pollution load on the environment, particularly in water treatment applications in developing countries, an investigation with biodegradable and eco-friendly naturally occurring seed gum as coagulant was undertaken. Naturally occurring Cassia angustifolia (CA) seed gum was evaluated against the chemical coagulant polyaluminium chloride (PAC) for its coagulation ability to remove colour from synthetic dye solutions. Three groups of dyes: Acid Sendula Red, Direct Kahi Green and Reactive Remazol Brilliant Violet were chosen for the case study. For optimum results the variables studied were pH and dosage. CA was found to be a good working substitute alone or in conjunction with a very low dose of PAC for decolourisation of acid and direct, but not for reactive dye solutions. The performance of PAC was better with direct dye and that of CA was better with that of acid dye.
Starting Page	252
Ending Page	254
Page Count	3
File Format	HTM / HTML PDF
ISSN	14639262
Volume Number	4
Issue Number	3
Journal	Green Chemistry
DOI	10.1039/b200067a
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	PAC Kahi Green Biodegradation Senna alexandrina Chloride Flocculation Dye Kahi (singer) PH Acid Reactive dye Substantive dye
Content Type	Text
Resource Type	Article
Subject	Environmental Chemistry Pollution

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