Torrefied biomass fuels as a renewable alternative to coal in co-firing for power generation

Sher, Farooq; Yaqoob, Aqsa; Saeed, Farrukh; Zhang, Shengfu; Jahan, Zaib; Klemeš, Jiří Jaromír

doi:10.1016/j.energy.2020.118444

Cited by 100 publications

(32 citation statements)

References 58 publications

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“…Proximate analysis was conducted using a GF-A2000 auto proximate analyzer and according to the Chinese National Standard GB/T 212-2008 with the following results: moisture (2.1%), ash content (12.40%), and volatiles (8.62%). This standard is different from that used in the literatures 70,71 . The coal samples used for this MH study were collected from the same location and were then ground to powders and sieved with metal sieves in the laboratory to produce specimens of 0.5-1 mm grain size.…”

Section: Sample Preparation and Experimental Proceduresmentioning

confidence: 98%

Promotion effects of microwave heating on coalbed methane desorption compared with conductive heating

Wang

2021

Sci Rep

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As a clean energy resource, coalbed methane (CBM) has drawn worldwide attention. However, the CBM reservoir has strong adsorption capacity and low permeability and thus requires stimulation. As a means to stimulate coalbed methane recovery, thermal injection faces geological and economic challenges because it uses conventional conductive heating (CH) to transfer heat. Realized by the conversion of the electromagnetic energy into the thermal energy, microwave heating (MH) may be a sound stimulation method. Although previous research suggested that MH had potential as a stimulation method for coalbed methane recovery, it is not clear if MH is superior to CH for enhancing coalbed methane recovery. This paper compares the effect of MH and CH on methane desorption from coal using purpose-built experimental equipment. To compare the MH and CH experimental results, the desorption temperature for each CH desorption test was set to the maximum temperature reached in the correlative MH desorption test. The results show that although the cumulative desorbed volume (CDV) of methane under MH was less than that desorbed by CH in the initial desorption stage, the final total CDV under MH for the three different power settings was ~ 12% to ~ 21% more than that desorbed by CH at the same temperatures. CH and MH both change the sample’s microstructure but MH enlarges the pores, decreases methane adsorption, promotes methane diffusion, and improves permeability more effectively than CH. Rapid temperature rise and the changes in the coal’s microstructure caused by MH were the main reasons for its superior performance. These findings may provide reference for selecting the most appropriate type of heating for thermal injection assisted coalbed methane recovery.

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Section: Sample Preparation and Experimental Proceduresmentioning

confidence: 98%

Promotion effects of microwave heating on coalbed methane desorption compared with conductive heating

Wang

2021

Sci Rep

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“…Pakistan has faced energy shortages that have forced the closure of many factories. The amount of CO 2 emissions from the industry has also decreased, however, due to the growing trend of cars, there is an increasing trend in the amount of CO 2 emissions [11][12][13]. The CO 2 emissions in Pakistan were 132,805 ktons in 2005, which rose to 174,843 ktons in 2015 [14].…”

Section: 8x10mentioning

confidence: 99%

Current Status and Potential of Tire Pyrolysis Oil Production as an Alternative Fuel in Developing Countries

et al. 2021

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Energy is essential for the nature of life and the development of countries. The main demand for the 21st century is to fulfill growing energy needs. Pakistan, through the use of fossil fuels, meets energy demands. There is pressure on the economy of the country due to the massive reliance on fossil fuels, and this tendency is influenced by various environmental impacts. To overcome the burden on fossil fuels, more attention has been drawn to provide fossil fuel substitution. Tire pyrolysis is among the effective substitutes of the fuel technology that generates useful products of liquid oil, char, and pyro gas. This research focuses on the environmental, social, and economic viability of tire pyrolysis oil in Pakistan. This study estimates the production and potential of tire pyrolysis oil (TPO) in Pakistan. Based on the calculations, the potential of tire pyrolysis oil production in Pakistan from 2015–2019 is 468,081 to 548,406 tons. The potential production of TPO in 2018–2019 was ~8.30% of the total import (6.6 million tons) of crude oil. Therefore, tire pyrolysis oil is considered an alternative fuel representing an economic and environmentally viability solution for Pakistan.

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“…Alternative fuels have gained attention in diesel engines [1] because of the rapid depletion of fossil fuels [2], climate change [3], economic challenges, and growth in population and energy demand [4][5][6][7]. Though, food-based alternative fuels include palm oil, soybean, sunflower, rapeseed, etc., are criticized worldwide because of deforestation, especially the food-versus-fuel conflict.…”

Section: Introductionmentioning

confidence: 99%

Tribological Behaviour and Lubricating Mechanism of Tire Pyrolysis Oil

et al. 2021

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The four-ball tester was used in this analysis to demonstrate the lubricity of tire pyrolysis oil (TPO). The tribological performance of the tire pyrolysis oil was compared with diesel fuel (DF) and their blends, DT10 (TPO 10%, Diesel 90%) and DT20 (TPO 20%, Diesel 80%). A scanning electron microscope (SEM) was used to investigate the wear scar. In contrast to diesel fuel, TPO demonstrated better antiwear behaviour in terms of higher load-carrying capacity. DT10, DT20, and TPO’s wear scar diameter (WSD) was 22.35%, 16.01%, and 31.99% smaller than that of diesel at 80 kg load, respectively. The scanning electron microscope micrographs showed that the TPO and DT10 had less wear than their counterparts.

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Torrefied biomass fuels as a renewable alternative to coal in co-firing for power generation

Cited by 100 publications

References 58 publications

Promotion effects of microwave heating on coalbed methane desorption compared with conductive heating

Promotion effects of microwave heating on coalbed methane desorption compared with conductive heating

Current Status and Potential of Tire Pyrolysis Oil Production as an Alternative Fuel in Developing Countries

Tribological Behaviour and Lubricating Mechanism of Tire Pyrolysis Oil

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