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Abstract

Reduction of the Quantity of Chlorinated Phenolics Compounds in Bleaching Effluent by Peroxide treatment

Author(s): Divya Prakash

The spent bleach liquor from the chlorinated stages of Jute Cady and Bamboo pulp has been analyzed both qualitatively and quantitatively for various chlorophenolics compounds using Gas Chromatography in conventional bleaching sequences and after peroxide treatment. A number of chlorinated derivatives of phenols, catechols, guaiacols, syringaldehydes have been identified. The concentrations of various compounds identified have also been compared with the reported 96LC50. The results show that quantity of the total chlorophenolic compounds formed decreases up to 54% in total chlorophenolic compound in the CEH effluent and the COD and color values are reduced by 35% and 33%, respectively in comparison of conventional bleaching sequences as E stage is changed to Ep stage in Bamboo pulp. And there is a reduction of 52% in total chlorophenolic compound in the CEH effluent when E stage is changed to Ep. and the COD and color values are reduced by 30% and 33% respectively as E stage is changed to Ep stage in Jute Cady pulp.


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  • Open J Gate
  • China National Knowledge Infrastructure (CNKI)
  • Cosmos IF
  • Geneva Foundation for Medical Education and Research
  • ICMJE

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