کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
637492 1456153 2008 6 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Controlled backwashing in a membrane sequencing batch reactor used for toxic wastewater treatment
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی تصفیه و جداسازی
پیش نمایش صفحه اول مقاله
Controlled backwashing in a membrane sequencing batch reactor used for toxic wastewater treatment
چکیده انگلیسی

A new control algorithm for performing filtration in a membrane sequencing batch reactor (MSBR) to prevent fouling is presented. Based on continuous measurements of the transmembrane pressure (TMP) and the permeate flux, the algorithm decides when to initiate backwashing. The algorithm was tested on a laboratory scale bioreactor treating synthetic wastewater containing 4-chlorophenol (4CP) as model toxic compound and filtration was carried out using a submerged tubular membrane module and a diaphragm pump. Several controller configurations were tested for different MSBR cycles. The results showed that the proposed algorithm was robust against the highly varying mixed liquor characteristics and was able to keep the TMP below critical values and maintain the flux at a maximum for most of the filtration time. Therefore, despite possible frequent backwashes, the total filtration time was minimized.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Membrane Science - Volume 320, Issues 1–2, 15 July 2008, Pages 185–190
نویسندگان
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