Abstract
Publisher Summary This chapter provides an overview of the potential for natural dyes to be used in textile dyeing, with special reference to plant-based materials found in food processing and food chain waste streams. It also discusses the requirements that have to be met for successful application of natural dyes in textile dyeing operations. Natural dyes present in plant wastes have to be extracted for use in the dyebath. The extraction step is discussed with regard to energy and chemicals, which forms a basis to compare different strategies to handle natural dyes in full technical scale. Results of a screening study to identify suitable wastes, released from the food and beverage industries, as potential sources for natural dyes are also illustrated in the chapter.
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