Investigation of optimum H2 production from date palm waste leaves using different modeling tools

Jamro, Imtiaz Ali; Kumar, Akash; Khoso, Salim; Ahmad, Muhammad; Baloch, Humair Ahmed; Shah, Syyed Adnan Raheel; Kumari, Lata; Wenga, Terrence; Nadeem, Mehwish; Laghari, Azhar Ali; Chen, Guanyi; Ma, Wenchao

doi:10.1016/j.ijhydene.2023.03.053

Cited by 3 publications

(4 citation statements)

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“…However, a good agreement is found with palms from [37]. Considering the samples on a dry basis, Figure 8b shows that the obtained VM values in this study for date palm waste are higher than those of our reference substrate and those obtained in previous studies [13,[37][38][39], ranging from 82.47% to 94.05%. This high percentage of VM is favorable for thermal conversion, as mentioned above [35].…”

Section: Biomass Characterizationsupporting

confidence: 74%

“…The low VM content implies low reactivity and therefore creates difficulties during gasification, resulting in inefficient conversion and high Char production. As we can see in Figure 8c, the ash content of lignocellulosic date palm waste is higher than the ash content of sawdust (0.47%) and varies very significantly between 2.49 and 11.7%, but these values are within the range of ash contents obtained for different biomasses, such as date palm waste, whose ash content varies between 8.02% and 18.79% [37], date palm waste leaves (DPWLs) (15.03%) [39], as well as date palm waste (DPW) and date palm fond (DPF) (6.99% and 6.71%) [13,38].…”

Section: Biomass Characterizationmentioning

confidence: 62%

“…This high percentage of VM is favorable for thermal conversion, as mentioned above [35]. [13,[37][38][39]; (c) ash content [13,[37][38][39]; (d) FC content [13,[37][38][39]; (e) HHV [13,[37][38][39]. [13,[37][38][39]; (c) ash content [13,[37][38][39]; (d) FC content [13,[37][38][39]; (e) HHV [13,[37][38][39].…”

Section: Biomass Characterizationmentioning

confidence: 85%

“…Figure 8. (a) MC[37]; (b) VM content[13,[37][38][39]; (c) ash content[13,[37][38][39]; (d) FC content[13,[37][38][39]; (e) HHV[13,[37][38][39].…”

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A Route for Bioenergy in the Sahara Region: Date Palm Waste Valorization through Updraft Gasification

Djaafri,

Salem,

Kalloum

et al. 2024

Energies

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The Adrar region (Algeria) has a total of 397,800 date palm trees (Phoenix dactylifera L.). Due to annual palm cleaning, large quantities of lignocellulosic biomass are produced. Depending on the variety, an average of 65 kg of biowaste is obtained per palm tree. Since the value of this biowaste is underrated, most of the palms are burned outdoors, causing air and visual pollution. This work explores the gasification potential of lignocellulosic waste from date palms (Phoenix dactylifera L. Takarbouche variety) into useful energy. The technology investigated is air updraft fixed-bed gasification, thanks to an originally designed and built reactor, with the capability to process 1 kg of feedstock. Four types of palm waste—namely, palms, petioles, bunch, and bunch peduncles—are first characterized (bulk density, proximate analysis, fixed carbon, elemental composition, and calorific value) and then used as feedstock for two gasification tests each. The syngas produced for the four date palm wastes is combustible, with an outlet temperature between 200 and 400 °C. The operating temperature inside the gasifier varies according to the feature of the biomass cuts (from 174 °C for the peduncles to 557 °C for palms). The experimental setup is also equipped with a cyclone, allowing for the recovery of some of the tar produced during the tests. Finally, the results show that the residence time has a positive effect on the conversion rate of date palm waste, which can significantly increase it to values of around 95%.

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