Techno-economic, environmental, and heat integration of palm empty fruit bunch upgrading for power generation

Rawinun Junsittiwate; Thongchai Rohitatisha Srinophakun; Somboon Sukpancharoen

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Techno-economic, environmental, and heat integration of palm empty fruit bunch upgrading for power generation

机译：Techno-economic, environmental, and heat integration of palm empty fruit bunch upgrading for power generation

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The palm empty fruit bunch (PEFB) is a residue from oil pressing. As a renewable energy source, it is expected to achieve high-yield bio-oils, low gas content, and low char content. In this work, a comprehensive pyrolysis process model, bio-oil upgrading plant, and electric power generation were simulated simultaneously. This work applied the pyrolysis kinetic reaction model at 500 ℃ based on 1,000 tons/day of PEFB. The results showed that suitable validation with the existing published work, in that 1 kg/s of PEFB could produce 0.21 kg/s of gas, 0.67 kg/s of bio-oil, and 0.11 kg/s char. Implementing a heat exchanger network (HEN) improves the minimum capital cost implication and maximum heat recovery compared to the non-heat exchanger network (non-HEN) desiga Therefore, HEN implementation shows a cost reduction of 57.46, with a feasibility study performed by estimating the equipment size and cost. The economic assumptions are estimated to be 10 of the annual discount rate for 20 years. According to an economic analysis of the HEN, the net present value, internal rate of return and payback duration are $20,086,830.26, 28.40, and 5.62 years, respectively. In comparison, the non-HEN design shows $12,966333.26,27.55, and 5.77 years, respectively. Furthermore, the environmental-economic analysis shows that the non-HEN design and HEN design indicate global wanning at midpoints of 281,677 and 263,330-ton carbon dioxide equivalent (CO_2 eq.)/year. The non-HEN design has a higher midpoint and endpoint than the HEN design.

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来源
《Energy for sustainable development》 |2022年第2期|140-150|共11页
作者
Rawinun Junsittiwate; Thongchai Rohitatisha Srinophakun; Somboon Sukpancharoen;
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作者单位

Department of Chemical Engineering, Center for Advanced Study in Industrial Technology, Faculty of Engineering, Kasetsart University, Bangkok 10900, Thailand;

Division of Mechatronics and Robotics Engineering, Rajamangala University of Technology Thanyaburi, Pathum Thani 12110, Thailand;

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正文语种英语
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Techno-economic; Environmental assessment; Heat exchanger network; Palm empty fruit bunch; Pyrolysis;

Techno-economic, environmental, and heat integration of palm empty fruit bunch upgrading for power generation

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