Distinctive delignification with consecutive application of Geobacillus sp. 71 xylanase and Rhodococcus jostii rha1 lignin peroxidase

  • Aysegul Ozer
  • Sabriye Canakci
  • Gozde Gocmen
  • Ilhan Deniz
  • Huseyin Kirci
  • Onur Tolga Okan
  • Ali Osman belduz
Keywords: Bleaching, eucalypts, Kappa number, Kraft pulp, Pine


In present study, single and consecutive applications of xylanase and lignin peroxidase were performed in an XOQP TCF sequence to bleach pine and eucalypts kraft pulp. The consecutive use of Geobacillus sp. strain 71 xylanase and Rhodococcus jostii RHA1 lignin peroxidase was more effective than the single uses. XyzGeo71 treatment (X) indicates a 9.76% and 28.52% reduction in kappa number for pine and eucalypts kraft pulps, respectively. LiPRHA1 treatment (X) showed a 7.88% and 20.9% reduction a in kappa number for pine and eucalypts kraft pulps, respectively. The consecutive treatment of XyzGeo71 and LiPRHA1  (X), however, indicated a 13.67% and 37.2% reduction in kappa number for pine and eucalypts kraft pulps, respectively. The results showed that delignification with the consecutive xylanase and lignin peroxidase treatment was very significant.


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How to Cite
Ozer, A., Canakci, S., Gocmen, G., Deniz, I., Kirci, H., Tolga Okan, O., & Osman belduz, A. (2018). Distinctive delignification with consecutive application of Geobacillus sp. 71 xylanase and Rhodococcus jostii rha1 lignin peroxidase. Maderas. Ciencia Y Tecnología, 20(3), 505-518. Retrieved from http://revistas.ubiobio.cl/index.php/MCT/article/view/3167