The impact of textile wet colouration on the environment in 2011

Hurren, Chris, Li, Qing and Wang, Xungai 2011, The impact of textile wet colouration on the environment in 2011, in EDFGC 2011 : Abstracts of the International conference on eco-dyeing and finishing and green chemistry, [EDFGC ], [Hangzhou, China], pp. 105-105.

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Title The impact of textile wet colouration on the environment in 2011
Author(s) Hurren, Chris
Li, Qing
Wang, Xungai
Conference name International Conference on Eco-Dyeing/Finishing and Green Chemistry (2011 : Hangzhou, China)
Conference location Hangzhou, China
Conference dates 8-12 June 2011
Title of proceedings EDFGC 2011 : Abstracts of the International conference on eco-dyeing and finishing and green chemistry
Editor(s) [Unknown]
Publication date 2011
Conference series International Conference on Eco-Dyeing/Finishing and Green Chemistry
Start page 105
End page 105
Publisher [EDFGC ]
Place of publication [Hangzhou, China]
Keyword(s) colouration
dyeing
environmental impact
energy
cotton
wool
polyester
nylon
Summary Wet textile colouration has the highest environmental impact of all textile processing steps. It consumes water, chemicals and energy and produces liquid, heat and gas waste streams. Liquid effluent streams are often quite toxic to the environment. There are a number of different dyeing processes, normally fibre type specific, and each has a different impact on the environment. This research investigated the energy, chemical and water requirements for the exhaust colouration of cotton, wool, polyester and nylon. The research investigated the liquid waste biological and chemical oxygen demand, salinity, pH and colour along with the energy required for drying after colouration. Polyester fibres had the lowest impact on the environment with lowest water and energy consumption in dyeing, good dye bath exhaustion, the lowest salinity levels in their effluent, relatively neutral pH effluent and low energy in drying. The wool and nylon had similar dye bath requirements and outputs however the nylon could be dyed at far lower liquor ratios and hence provided better energy and water use figures. The cotton and wool required high energy consumption in drying after colouration. Cotton performed poorly in all of the measured parameters.
Language eng
Field of Research 091006 Manufacturing Processes and Technologies (excl Textiles)
Socio Economic Objective 869803 Management of Liquid Waste from Manufacturing Activities (excl. Water)
HERDC Research category E3 Extract of paper
Persistent URL http://hdl.handle.net/10536/DRO/DU:30042297

Document type: Conference Paper
Collection: Centre for Material and Fibre Innovation
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