دانلود Biodiesel production via transesterification under supercritical condition: A review and pers
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توجه : در صورت مشاهده بهم ریختگی احتمالی در متون زیر ،دلیل ان کپی کردن این مطالب از داخل فایل ورد می باشد و در فایل اصلی دانلود Biodiesel production via transesterification under supercritical condition: A review and perspective تحت pdf ،به هیچ وجه بهم ریختگی وجود ندارد
بخشی از متن دانلود Biodiesel production via transesterification under supercritical condition: A review and perspective تحت pdf :
سال انتشار : 1394
نام کنفرانس یا همایش : کنفرانس بین المللی یافته های نوین پژوهشی در شیمی و مهندسی شیمی
تعداد صفحات : 14
چکیده مقاله:
The inconveniences of the conventional method for biodiesel production by alkaline catalysis suggests research towards alternative methods, with the non-catalytic transesterification using an alcohol at supercritical conditions proposed as a promising technique for biodiesel production. The so-called supercritical method (SCM) has powerful advantages over conventional techniques, such as fast reaction rates, feedstock flexibility, production efficiency and environmentally friendly benefits. However, application of this methodology has some limitations, like operating conditions (elevated temperature and pressure and higher amounts of alcohol), which result in high energy costs and degradation of the products generated. In this review paper the state of the art in relation to the use of the SCM for biodiesel production is reported and discussed, describing the characteristics of the method, the influence of operational parameters on the ester yield, patents available in the field and the perspectives for application of the technique.
