Remediation of environmental pollution by substituting poly(vinyl alcohol) with biodegradable warp size from wheat gluten

Lihong Chen, Narendra Reddy, Yiqi Yang

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

We report the development of wheat gluten as an environmentally friendly sizing agent that can replace poly(vinyl alcohol) (PVA) and make the textile industry more environmentally friendly. Wheat gluten applied onto polyester/cotton (P/C) and polyester as warp sizing agent provided sizing performance and biodegradability in activated sludge necessary to substitute poly(vinyl alcohol) (PVA). PVA is one of the most widely used sizing agents and provides excellent sizing performance to synthetic fibers and their blends but is expensive and difficult to degrade in textile wastewater treatment plants. Although considerable efforts have been made to replace PVA, it has not been possible to develop a warp sizing chemical that can match the sizing performance of PVA and at the same time be cost-effective and biodegrade in effluent treatment plants. At similar % add-on, wheat gluten provided similar cohesion to P/C but much higher abrasion resistance to polyester fabrics compared to PVA. With a biochemical oxygen demand (BOD) to chemical oxygen demand (COD) ratio of 0.7 compared to 0.01 for PVA, wheat gluten was readily degradable in activated sludge. Wheat gluten has the ability to replace PVA for textile warp sizing applications.

Original languageEnglish (US)
Pages (from-to)4505-4511
Number of pages7
JournalEnvironmental Science and Technology
Volume47
Issue number9
DOIs
StatePublished - May 7 2013

Fingerprint

Glutens
Remediation
Polyesters
alcohol
Pollution
remediation
wheat
Alcohols
Cotton
Sizing (finishing operation)
Effluent treatment
Synthetic fibers
Biochemical oxygen demand
Biodegradability
Chemical oxygen demand
activated sludge
cotton
Textile industry
Wastewater treatment
Wear resistance

ASJC Scopus subject areas

  • Chemistry(all)
  • Environmental Chemistry

Cite this

Remediation of environmental pollution by substituting poly(vinyl alcohol) with biodegradable warp size from wheat gluten. / Chen, Lihong; Reddy, Narendra; Yang, Yiqi.

In: Environmental Science and Technology, Vol. 47, No. 9, 07.05.2013, p. 4505-4511.

Research output: Contribution to journalArticle

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