Bahram Nasernejad
Amirkabir university of technology chemical engineering department
[ 1 ] - Biosorption of styrene from synthetic wastewater by sugar cane waste(Bagass)
In this work, styrene removal from wastewater by using sugarcane waste (bagasse) as an adsorbent was studied. Equilibrium isotherms and kinetics were determined; the effects of bagasse particle size and concentration, solutions pH, and temperature on the biosorption of styrene were studied in batch experiments. Adsorption equilibrium data was successfully fitted to Langmuir isotherms (R2=0.986)...
[ 2 ] - Comparison of MLP NN Approach with PCA and ICA for Extraction of Hidden Regulatory Signals in Biological Networks
The biologists now face with the masses of high dimensional datasets generated from various high-throughput technologies, which are outputs of complex inter-connected biological networks at different levels driven by a number of hidden regulatory signals. So far, many computational and statistical methods such as PCA and ICA have been employed for computing low-dimensional or hidden represe...
[ 3 ] - Kinetic study of CO desorption from cathodic electrochemically treated carbon paper supported Pt electrodes
Platinum particles were grown directly by an electrodeposition process on electrochemically treated carbon paper (CP) for kinetic study of carbon monoxide (CO) desorption. The treatment on CP was performed by applying −2 V for cathodic oxidation over 5 min. Treated CP was characterized by FTIR to investigate the oxygen groups on its surface. CO surface coverage at each temperature was determine...
[ 4 ] - Effect of external mass transfer on activation energy of butyl oleate ester synthesis using a whole cell biocatalyst
In the present research, synthesis of butyl oleate ester from oleic acid and butanol using loofa-immobilized Rhizopus oryzae as a whole cell biocatalyst (LIC) was studied in which hexane was used as the hydrophobic solvent. Decrease of mass transfer limitations as result of the interface formation between the two immiscible substrates, positively affected on the reaction progress (87% as the es...
[ 5 ] - بهبود پایداری، فعالیت و گزینش‌پذیری از طریق ایجاد گروه‌های عاملی در نانوکاتالیست کبالت بر پایه نانو لوله کربنی در فرآیند فیشر-تروپش
در این مقاله اثر ایجاد گروه‌های عاملی بر روی سطح پایه نانو لوله کربنی به عنوان پارامتر موثر در توزیع بهتر فاز فعال در کاتالیست‌های کبالت، مورد بررسی قرار گرفته است. کاتالیست‌های مورد نظر روی پایه نانو لوله کربنی معمولی و عامل‌دار شده با بارگذاری 10% وزنی کبالت ساخته شد. کاربرد این کاتالیست‌ها در سنتز فیشر- تروپش نشان داده که تزریق هم‌زمان هیدروژن و مونوکسیدکربن به نسبت 2 به 1 باعث بهبود فعالیت،...
[ 6 ] - پتانسیل حذف استایرن توسط میکروارگانیسم هوازی رودوکوکوس اریتروپولیس PTCC 1767
در این تحقیق قابلیت حذف زیستی استایرن توسط میکروارگانیسم هوازی رودوکوکوس اریتروپولیس PTCC1767 سازگار نشده و سازگار شده مورد بررسی قرار گرفت. در هر دو حالت غلظت اولیه توده زیستی برابر31 میلی‌گرم در لیتر و میزان غلظت استایرن برابر 30،20،10، 90،70،50 و150 میلی‌گرم در لیتر در نظر گرفته شد و کلیه آزمایش‌ها ...
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