Process optimization and economic evaluation of air gasification of Saudi Arabian date palm fronds for H2-rich syngas using response surface methodology

Ali, Arshid Mahmood; Inayat, Muddasser; Zahrani, Abdulrahim A.; Shahzad, Khurram; Shahbaz, Muhammad; Sulaiman, Shaharin Anwar; Sadig, Hussain

doi:10.1016/j.fuel.2022.123359

Cited by 28 publications

(14 citation statements)

References 42 publications

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“…For this study, the dried palm leaves from the Middle East were collected from one of the date fields. The received dried palm waste was characterized to determine the waste's heating values, and chemical compositions in terms of the proximate and ultimate analysis as presented in Table 1 was also reported in one of our previous studies [12]. In the next stage, the feedstock was sun-dried, crushed in the jaw crusher, and sieved using the sieve shaker into the desired particle sizes of <2, 4, and 6> mm, respectively.…”

Section: Methodsmentioning

confidence: 99%

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Impact of parameters on gas ratios obtained from air gasification of date palm waste

2023

Sustainable Processes and Clean Energy Transition

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Abstract. Utilizing date palm waste as an energy source is a potential low-carbon energy source, especially in areas such as the Middle East. This study investigates date palm waste air gasification performed in a downdraft gasifier. The study aims to analyze the impact of various parameter ranges such as temperature of 600-900 ᵒC, air flow rate of 1.0 to 4.0 l/min, and particle size of <2-6> mm on the gas ratios of producer gas. H2/CO ratio is an important parameter which is an increase from 0.53 to 0.71 with a rise in temperature from 600 to 900 ᵒC. A similar profiling of other gas ratios was noticed with the temperature increase. The H2/CO ratio and H2/CO2 are found maximum at the air flow rate of 2.5 l/min and 3.0 l/min.H2/CH4 showed a very steady trend with an increase of air flow rate up to 2.5 l/min, but a sharp hike was noticed by increasing the air flow rate of 2.5 to 4.0 l/min. Larger particle size shows a lower value of H2/CO, H2/CH4, and H2/CO2 due to the lower heat and mass transfer diffusion compared to smaller particle size.

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Section: Methodsmentioning

confidence: 99%

“…Table 1. Chemical composition of properties of date palm waste [12]. The air gasification of date palm waste is instituted in the setup presented in Figure 1.…”

Section: Methodsmentioning

confidence: 99%

Impact of parameters on gas ratios obtained from air gasification of date palm waste

2023

Sustainable Processes and Clean Energy Transition

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“…Because of the intense intermolecular interactions in the polymer, it is very crystalline and dense. We selected polymerization, H-abstraction, β-scission, and chain fission reactions because we were interested in forming pyrolytic oil [17].…”

Section: Reaction Mechanism Of Hdpementioning

confidence: 99%

“…Although the linear chains in this polymer are not subs tially branched, they are closely packed together to improve density, as shown in Fig 4b . Because of the intense intermolecular interactions in the polymer, it is very crystal and dense. We selected polymerization, H-abstraction, β-scission, and chain fission r tions because we were interested in forming pyrolytic oil [17].…”

Section: Reaction Mechanism Of Hdpementioning

confidence: 99%

“…RSM and artificial neural network data confirmed 94.85% accuracy in the reported results. Similarly, Ali et al [17] used the RSM tool in Design Expert to evaluate how process factors, such as temperature, air flow rate, and particle size, affect the gas composition. Krishna et al [18] used analytical Pyroprobe ® software to collect information about the isothermal thermal degradation of polyethylene and polystyrene.…”

Section: Introductionmentioning

confidence: 99%

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Response Surface Methodology Analysis of Pyrolysis Reaction Rate Constants for Predicting Efficient Conversion of Bulk Plastic Waste into Oil and Gaseous Fuels

et al. 2022

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The growing production of plastic waste and improper dumping after use has become a worldwide challenge. This waste is a substantial source of petroleum and can be effectively converted into pyrolytic oil and other useful products. A statistical prediction of the rate constants is essential for optimizing pyrolysis process parameters, such as activation energy (Ea), frequency factor (Ao), temperature (T), and kinetic rate constants (k). In this research, we utilized Box–Behnken using RSM with Design Expert software to predict statistical rate constants at 500 °C and 550 °C. The efficiency of the predicted rate constants was investigated and compared to the findings of experimental rate constants extracted from the literature. At 500 °C, the estimated rate constants did not reveal a significant rise in the oil output since these constants promoted high gas yield. Compared to the experimental rate constants, statistically predicted rate constants at 550 °C demonstrated substantially high-oil output with only 1% byproducts. The experimental rate constants yielded 32% oil at 550 °C, whereas the predicted rate constants yielded 85% oil. The statistically predicted rate constants at 550 °C could be used to estimate commercial-scale extraction of liquid fuels from the pyrolysis of high-density plastics. It was also concluded that Ea, Ao, and T must be analyzed and optimized according to the reactor type to increase the efficiency of the expected rate constants.

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Steam‑oxygen Gasification of Surgical Mask Waste in an Updraft Fixed Bed Gasifier System and Its Life-cycle Assessment

Yousef,

Eimontas,

Zakarauskas

et al. 2024

Waste Biomass Valor

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Process optimization and economic evaluation of air gasification of Saudi Arabian date palm fronds for H2-rich syngas using response surface methodology

Cited by 28 publications

References 42 publications

Impact of parameters on gas ratios obtained from air gasification of date palm waste

Impact of parameters on gas ratios obtained from air gasification of date palm waste

Response Surface Methodology Analysis of Pyrolysis Reaction Rate Constants for Predicting Efficient Conversion of Bulk Plastic Waste into Oil and Gaseous Fuels

Steam‑oxygen Gasification of Surgical Mask Waste in an Updraft Fixed Bed Gasifier System and Its Life-cycle Assessment

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