Effect of temperature, heating rate and zeolite-based catalysts on the pyrolysis of high impact polystyrene (HIPS) waste to produce fuel-like products

سال انتشار: 1398
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 512

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شناسه ملی سند علمی:

JR_POJ-6-1_004

تاریخ نمایه سازی: 20 خرداد 1398

چکیده مقاله:

Pyrolysis of high impact polystyrene (HIPS) waste has been investigated under different process parameters, such as temperature, heating rate and types of zeolitic catalysts to produce valuable liquid products. Liquid, gas and coke as products of pyrolysis and aromatic, naphthene, olefin and paraffin as liquid components were obtained and their molecular weight distributions were studied with changing the process parameters in a stirred reactor. Aromatic-rich hydrocarbons within the gasoline range were the main pyrolysis products. Type of zeolitic catalysts, temperature and heating rate had significant effects on the products quality and quantity. Non-isothermal mass losses of high impact polystyrene were measured using a thermo-gravimetric analyzer (TGA) at heating rates of 5, 15, 30, 45 and 90°C min-1 until the furnace wall temperature reached 600°C. The DTG (differential thermal gravimetric) curves showed that heating rate had no obvious effect on the degradation trends in the studied range, and by increasing heating rate, the activation energies were decreased obviously from 222.5 to183.6 kJ mol-1.

نویسندگان

Zaher Tamri

Department of Chemical Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran

Ali Vaziri Yazdi

Department of Chemical Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran

Mehdi Nekoomanesh Haghighi

Department of Polymerization Engineering, Iran Polymer and Petrochemical Institute, Tehran, Iran

Mehrdad Seifali Abbas-Abadi

Department of Polymerization Engineering, Iran Polymer and Petrochemical Institute, Tehran, Iran

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