نتایج جستجو برای: cyclic batch reactor
تعداد نتایج: 154120 فیلتر نتایج به سال:
چکیده زمینه و هدف: پساب صنایع لبنی به بدلیل داشتن میزان بار آلی بالا از آلوده کننده ترین پسابها بشمار می روند و در صورت تخلیه بدون تصفیه به محیط مشکلات جدی زیست محیطی ایجاد می کنند. در تحقیق حاضر تاثیر زمان هوادهی و حضور ماده منعقد کننده آهک بر کارایی sbr در تصفیه فاضلاب صنایع شیر و لبنیات بررسی شده است. مواد و روشها: دو راکتور sbr موازی با حجم مفید 20 لیتر مورد استفاده قرار گرفت. آزمایشات د...
the main objective of this study was to investigate the effi ciency of biological treatmentof azo dye-containing wastewater with a sequencing batch reactor system, followed by ultrafi ltration.the performance of the system was quantifi ed by measuring the chemical oxygen demand and azo dyeconcentration. the biodegradation was carried out under combined alternating anaerobic and aerobiccondition...
A novel real-time final product quality control method for batch operations based on stacked leastsquares support vector regression models (stacked LSSVR) is proposed. It combines midcourse correction (MCC) and batch-to-batch control. To enhance the model prediction accuracy and generalization capability, a stacked LSSVR approach is presented. Quality control is achieved by predicting the final...
In this article several control schemes for a pilot scale polymerization reactor are proposed and one of them is selected as the most suitable design. The performances of proposed schemes have been compared through computer simulations. The controllers are PID and Chosen reaction is polymerization of methyl methacrylate which is highly exothermic.
A membrane sequencing batch reactor (MSBR) treating hypersaline oily wastewater was modeled by artificial neural network (ANN). The MSBR operated at different total dissolved solids (TDSs) (35,000; 50,000; 100,000; 150,000; 200,000; 250,000mg/L), various organic loading rates (OLRs) (0.281, 0.563, 1.124, 2.248, and 3.372kg COD/(m(3)day)) and cyclic time (12, 24, and 48h). A feed-forward neural ...
Both the continuous and batch transesterification of linseed oil were examined in order to maximize the fatty acid methyl esters (FAME) yield. The continuous process was conducted in a packed bed reactor using calcium oxide as a heterogeneous catalyst. In addition, the impact of two variables, namely the molar ratio of methanol to oil and the flow rate (ml/min), on the FAME yield were stu...
On the basis of earlier results with furan and thiophene derivatives benzobicyclo[3.2.1]octadiene, photocatalytic oxygenation novel furo- thieno heterostilbenes water-soluble manganese(III) porphyrins offered suitable possibilities to study their reactivities reaction pathways depending on heteroatom catalyst charge. The experiments were carried out in two reactors types (batch microflow) inves...
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