کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
685764 889049 2008 7 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Biofiltration of ketone compounds by a composite bead biofilter
کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی تکنولوژی و شیمی فرآیندی
پیش نمایش صفحه اول مقاله
Biofiltration of ketone compounds by a composite bead biofilter
چکیده انگلیسی

In this study, the biochemical kinetic behaviors of ketone compounds in a composite bead biofilter were investigated. Both microbial growth rate kg and biochemical reaction rate kd would be inhibited at higher average inlet concentration. For the microbial growth process, the inhibitive effect was the least pronounced for acetone and the order of kg value was MEK > MIPK > acetone in the average inlet concentration range of 100–150 ppm. The degree of inhibitive effect was almost the same for three ketone compounds and the order of kg value was acetone > MEK > MIPK in the average inlet concentration range of 200–300 ppm. The values of half-saturation constant Ks for acetone, MEK and MIPK were 26.80, 21.56 and 22.96 ppm, respectively. The values of maximum reaction rate Vm for acetone, MEK and MIPK were 8.55, 9.06 and 7.55 g-C/h-kg packed material, respectively. The zero-order kinetic with the diffusion rate limitation could be regarded as the most adequate biochemical reaction model. For the biochemical reaction process, the inhibitive effect was the most pronounced for MEK and the order of kd value was MEK > acetone > MIPK in the average inlet concentration range of 100–150 ppm. The degree of inhibitive effect was MIPK > MEK > acetone and the order of kd value was acetone > MEK > MIPK in the average inlet concentration range of 200–300 ppm. The maximum elimination capacity of acetone, MEK and MIPK were 0.157, 0.127 and 0.101 g-C/h-kg packed material.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Bioresource Technology - Volume 99, Issue 8, May 2008, Pages 3029–3035
نویسندگان
, ,