Department of Chemical Engineering

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Who works at the Department of Chemical Engineering

Department of Chemical Engineering has more than 32 academic staff members

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Prof.Dr. ِAbdesllam Ali Eswiss Emhemmed


Some of publications in Department of Chemical Engineering

Experimental and Theoretical Assessment of Fuel Production from Waste Plastics

Abstract Recently more than 150 million tonnes of plastics were produced in the world. On the one hand, the consumption and production of polymers are increasing, on the other hand as landfill and incineration become more expensive and less accepted .The increasing amount of polymer wastes from them generates further mainly environmental problems. The recycling of plastic wastes is gaining increasing importance. Pyrolysis is one promising method for the treatment of mixed and contaminated plastic wastes. In this way the plastic wastes are converted into fuels or other valuable feedstock for the petrochemical industry. In present work catalytic cracking of waste plastics blend with HGO [Libyan gas oil supplied by the Zawia Oil Refinery Company boils in the range of 275-375Cº] was investigated using H-ZSM5and H-BETA. Reaction systems that were studied included high density polyethylene HDPE and polypropylene blend with HGO, reactions were carried out in one litre micro autoclave reactor under different conditions of weight, temperature and type of catalyst, The optimum conditions were 2.5% catalyst by weight of total feed stock, one hour, atmospheric presser and three temperatures selected 400Cº, 425Cº and 450Cº. The product distribution for the system [plastics and HGO] provided some good results high yield of liquid [gasoline] up to 210Cº, gases and small amount of heavy oils. Some analysis was used to qualify and quantify the product. The results from GC.MS analysis showed that the yield of gasoline (c5-c12) over H-ZSM5 higher than H-BETA. In case of 5%PP, 15%HDPE and 80%HGO over H-ZSM5 at 450Cº, 96% total conversion achieved. The result from TGA in the same case is 15% by weight. Also the theoretical calculations to quantify the produced gases after burring of waste plastic in rotary kiln reactor have been evaluated. it is found that the suitable ratio of CO:H2 to produce methanol is 7:1
بسمة محمود التونسي (2010)
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أساسيات هندسة التفاعلات الكيميائية

الحمد لله رب العالمين والصلاة والسلام على نبينا محمدإمام المرسلين وبعد,,,, تبلورت فكرة تأليف هذا الكتاب من واقع افتقار المكتبة العربية إلى مصادر باللغة العربية في مختلف التخصصات العلمية وفي مقدمتها التخصصات الهندسية, وكذلك من الإحساس بحاجة الطلبة وأعضاء هيئة التدريس غلى مثل هذه المصادر, حيث يأتي هذا الكتاب استجابة لهذين الدافعين القويين, ومساهمة متواضعة في إثراء المكتبة العربية, وليكون مصدرا باللغة العربية في مادة هندسة التفاعلات الكيميائية التي تندرج ضمن تخصص الهندسة الكيميائية وتتعلق أساسا بتصميم المفاعلات الكيميائية المستخدمة في عديد الصناعات الكيميائية وفي مقدمتها الصناعات الكيميائية القائمة على النفط والغاز الطبيعي .
د. عبد الله على عمار بلوط (1-2018)
Publisher's website

Melt flow of ceramic composite materials with polypropylene

Different techniques are applied for the fabrication of ceramic materials for resolving different engineering applications. In this paper a composed material from thermoplastc materials was replaced by reinforced polypropylene (PP). The mathematical model of viscoelastic behavior was applied. This process is well modeled by fluid flow correlations in the single screw extruder. The operating point of the extruder is calculated by solving the mathematical model when the flow rate and the pressure drop in the extruder are calculated. Also in this paper melt flow of reinforced ceramic materials, where 90 % of poly propylene is reinforced with 10% fiberglass is mathematically modeled and analyzed
abdulati Elhadi tater Elalem, , Sadek Saleh Rejeibi(8-2013)
Publisher's website

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