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Title
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Strategic Lignin Removal from Lignocellulosic Matrix of Wheat Straw Using Selectivity Characteristics of Ozone.
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Sub-Title |
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Subject |
Ozone, Lignin, Lignocellulose, Ozonolysis, Wheat Straw
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Sub-Subject |
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Author |
K.S. Baig , K.S. Quraishi , A. Farrukh, N. Mehmood
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Publish Year |
2022 |
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Supervisor |
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Diss#. |
www.piche.org.pk/journal |
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Chapters |
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Pages |
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Text Language |
English |
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Accession |
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Library Section |
Research Article |
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Abstract |
Current study was planned to investigate the ozone selectivity for lignin in wheat straw delignification process
under controlled conditions. Operating variables such as ozone concentration, reaction time of ozone with
wheat straw and flow rate of ozone were explored and the focus was to prevent depolymerization of cellulose in
the lignocellulosic matrix. The novelty in the technique is the strategic use of operating parameters to get
maximum lignin removal and least cellulose damage in wheat straw matrix. The removal of lignin was
maximum till the first 60 minutes for the ozone flowrates of 4 L min-1, 2 L min-1 and 1 L min-1 of reaction. Further
increase in reaction time above 60 min made the process less selective. The experimental work performed on the
delignification of agricultural waste by using ozone is very rare and in addition to this, the literature about
delignification of wheat straw by ozone is almost none. Results support the idea that the lignin can both sustain
and rest
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