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Lignin Use ofIsolation Process from Black Liquor on The BiopulpingofBetung Bamboo (Dendrocalamus asper) as SelectiveMediafor White-rotFungi
Journal: Jurnal Penelitian Hasil Hutan (Vol.29, No. 4)Publication Date: 2011-12-30
Authors : Sita Heris Anita Dede Herl Yuli Yanto; Widya Fatriasari;
Page : 312-321
Keywords : ;
Source : Download Find it from : Google Scholar
Abstract
The lltilization of black liquor produced in p11lp and paper production has been limitedfor adhesive. Jn microbiology,blackliquorcan be usedas a selectivemedium. The purpose of thi.rsturfy 11Jas to evaluatetheperjortnacne of lignin isolated from black liq11orof biop11lpingproms as a selectivemediu111far J1Jhite-rotfungi.Ugninf,ro111 black
liquor of soda and kraftpulping of bamboopetung iuas isolatedby acid addition. Ugninsolid iuas thenpurifiedusing dioxan solution, 11Jeighted and qualitative/yana/yzed usinga spectrophotometer.The isolated lignin11Jas added to agar media to test the 1vhite-roft ungi selectivi!J (Phanerochaetecrysosporium and Trame/es versicolor).The results sboued that pretreafflJentof bamboofar 30 dqysgive more lignin than the 45-dqys treatedbamboo. Ugnin solidfrom kraft processwas also higher than ligninfromsoda process. Enzyme secretionfromfungiT. uersicoloroccursmore rapid/ythan P chrysosporium on selectivemediaalkali-lignin
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