کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
685898 889052 2009 8 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Molasses as an external carbon source for anaerobic treatment of sulphite evaporator condensate
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی تکنولوژی و شیمی فرآیندی
پیش نمایش صفحه اول مقاله
Molasses as an external carbon source for anaerobic treatment of sulphite evaporator condensate
چکیده انگلیسی

Failures in stability and COD removal performance often occurred in full-scale anaerobic reactors treating the evaporator condensate from a sulphite pulp mill due to substrate inhibition and occasional contaminations with red liquor (wood cooking liquor). With this work, the beneficial effect provided by the continuous addition of an external carbon source (sugarcane molasses) on the overall performance and stability of the biological process was evaluated. With a moderate addition of molasses the inhibition was mitigated which led to an increase of the COD removal rate from 52% to 77% and a methane production increase from 460 to 1650 ml d−1 at an organic loading rate of 2.61 g COD l−1 d−1. A similar conclusion can be drawn for the case when contamination with red liquor occurs. These results suggest that sugarcane molasses addition may be regarded as a low-cost operational strategy for the anaerobic treatment of sulphite evaporator condensate.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Bioresource Technology - Volume 100, Issue 6, March 2009, Pages 1943–1950
نویسندگان
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