کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7074471 | 1459951 | 2015 | 42 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Bioconversion of paper mill sludge to bioethanol in the presence of accelerants or hydrogen peroxide pretreatment
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کلمات کلیدی
CAFCAIPMSSHFSSCFHydrogen peroxide - آب اکسیژنهSolids loading - بارگذاری جامداتPaper mill sludge - لجن کاغذ سازEnzymatic hydrolysis - هیدرولیز آنزیمیseparate hydrolysis and fermentation - هیدرولیز جداگانه و تخمیرsimultaneous saccharification and fermentation - واکسیناسیون و تخمیر همزمانFillers - پرکننده هاCationic polyelectrolytes - پلی اتیلنهای کاتیونیCationic polyelectrolyte - پلی الکترولیتی کاتیونی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
تکنولوژی و شیمی فرآیندی
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Bioconversion of paper mill sludge to bioethanol in the presence of accelerants or hydrogen peroxide pretreatment Bioconversion of paper mill sludge to bioethanol in the presence of accelerants or hydrogen peroxide pretreatment](/preview/png/7074471.png)
چکیده انگلیسی
In this study we investigated the technical feasibility of convert paper mill sludge into fuel ethanol. This involved the removal of mineral fillers by using either chemical pretreatment or mechanical fractionation to determine their effects on cellulose hydrolysis and fermentation to ethanol. In addition, we studied the effect of cationic polyelectrolyte (as accelerant) addition and hydrogen peroxide pretreatment on enzymatic hydrolysis and fermentation. We present results showing that removing the fillers content (ash and calcium carbonate) from the paper mill sludge increases the enzymatic hydrolysis performance dramatically with higher cellulose conversion at faster rates. The addition of accelerant and hydrogen peroxide pretreatment further improved the hydrolysis yields by 16% and 25% (g glucose / g cellulose), respectively with the de-ashed sludge. The fermentation process of produced sugars achieved up to 95% of the maximum theoretical ethanol yield and higher ethanol productivities within 9Â h of fermentation.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Bioresource Technology - Volume 192, September 2015, Pages 529-539
Journal: Bioresource Technology - Volume 192, September 2015, Pages 529-539
نویسندگان
Raghu Nandan Gurram, Mohammad Al-Shannag, Nicholas Joshua Lecher, Shona M. Duncan, Eric Lawrence Singsaas, Malek Alkasrawi,