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نمایش تعداد 1-9 از 9
Comparison of Pulse Electric Field and Thermal Processing on Mass Transfer in Sugar Extraction from Sugar Beet
مقایسه اثر میدان الکتریکی پالسی و فرآیند حرارتی بر انتقال جرم در استخراج قند از چغندرقند
اثر میدان الکتریکی پالسی قوی بر فرآیند انتقال جرم از خلال چغندر با ضخامت های متفاوت در مقایسه با تیمار حرارت مورد بررسی قرار گرفت . برای این منظور، میدان الکتریکی قوی (با قدرت kV3، µF 8 با 20 پالس) بر دو نوع خلال ضخیم با ...
Subcritical Water Extraction as a New Environmental Friendly Method for Bioactive Compounds Extraction Process from Bene Hull
Bene hull (Pistacia atlantica) is a natural resource and it has noticeable antioxidant capacity. Regarding the environmental concerns arising from the use of organic solvents, subcritical water extraction as a new environmental ...
Micellar-enhanced ultrafiltration ofzinc in synthetic wastewater using spiral wound membrane
In thepresentstudy,micellar-enhancedultrafiltration(MEUF)wasusedtoremoveZn2+ from synthetic
wastewater bythespiral-woundultrafiltrationmembrane.Theeffectsofdifferentoperatingconditions
on theseparationperfo ...
Effect of calcination temperature on catalytic activity of synthesis SrO/S-ZrO2 by solvent-free method in esterification of oleic acid
Currently, the major concern in production of biodiesel fuel is to exploit for new catalysts with the optimal conditions. In this study, the effect of calcination temperature on the synthesis of 20 mol.% SrO/S-ZrO2 was ...
Optimization of Subcritical Water Extraction of Bioactive Compounds from Barberry Fruit (Berberis vulgaris) by Using Response Surface Methodology
Since two decades, subcritical water extraction (SWE) is well known as green technology for separation and extraction of plant materials. SWE can be applied for extraction of bioactive compounds. In this study, the subcritical ...
Preparation of Nano-Size Al-Promoted Sulfated Zirconia and the Impact of Calcination Temperature on Its Catalytic Activity
Solvent-free technique was employed in this work in order to assess the influence of the calcination temperature on the activity of Al-promoted sulfated zirconia. The catalyst was analyzed by XRD and IR-spectrum method, ...
Preparation of alumina supported super active sulfated zirconia and assessment of its activity in esterification reaction
In this work, the optimal percentage of alumina loading on sulfated zirconia by solvent-free method was investigated and its reusability was assessed. To obtain these objectives, sulfated zirconia was supported with different ...
Effect of Pre-heat Treatment and Herbal Essences on the Postharvest Properties of Blood Orange
اثر پیش تیمار حرارت و اسانسهای گیاهی بر خواص پس از برداشت پرتقال خونی
ضایعات پس از برداشت عامل محدودکننده دوره انبارداری بسیاری از میوهها و سبزیجات از جمله مرکبات میباشد. در این تحقیق یک روز پس از برداشت، پرتقال خونی رقم سانگین تحت چهار تیمار مختلف شامل: آب گرم (در دمای 55 درجه به مدت 3 ...