Economical Low-Temperature Bleaching of Cotton Fabric Using an Activated Peroxide System Coupling Cupric Ions with Bicarbonate 


Vol. 19,  No. 9, pp. 1898-1907, Sep.  2018
10.1007/s12221-018-7963-z


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  Abstract

Conventional cotton bleaching is highly energy-intensive, water-dependent, and textile-damaging. The technologies currently used to achieve low-temperature bleaching always include a conflict between effectiveness and cost. This study represents an economically efficient process for cotton bleaching with H2O2 at low temperature. A novel system that couples Cu2+ with HCO3 , has been developed to activate cotton bleaching. Factors that influence the bleaching performance were investigated, including the bleaching temperature and initial concentrations of the components (H2O2, NaHCO3 and Cu2+). The experimental results indicated that the Cu2+-HCO3/H2O2 system had a lower operating cost and higher bleaching efficiency than conventional and TAED-activated systems. Additionally, the bleaching bath exhibited excellent reusability, further strengthening its feasibility for industrial applications. The results of HO scavenging and Cu2+ monitoring experiments implied that the bleaching active species might be the Cu(III) species rather than HO. This novel system provides a simple, effective, and cost-efficient method for practical bleaching.

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  Cite this article

[IEEE Style]

D. Yu, M. Wu, J. Lin, J. Zhu, "Economical Low-Temperature Bleaching of Cotton Fabric Using an Activated Peroxide System Coupling Cupric Ions with Bicarbonate," Fibers and Polymers, vol. 19, no. 9, pp. 1898-1907, 2018. DOI: 10.1007/s12221-018-7963-z.

[ACM Style]

Deyou Yu, Minghua Wu, Junxiong Lin, and Jintao Zhu. 2018. Economical Low-Temperature Bleaching of Cotton Fabric Using an Activated Peroxide System Coupling Cupric Ions with Bicarbonate. Fibers and Polymers, 19, 9, (2018), 1898-1907. DOI: 10.1007/s12221-018-7963-z.

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