Oil palm biomass in Indonesia: Thermochemical upgrading and its utilization

Nabila, Rakhmawati; Hidayat, Wahyu; Haryanto, Agus; Hasanudin, Udin; Iryani, Dewi Agustina; Lee, Sihyun; Kim, Sang-Do; Kim, Soohyun; Chun, Dong Hyun; Choi, Hokyung; Hyuk, Im; Lim, Jeong-Hoon; Kim, Kwanyoung; Jun, Dukwoo; Moon, Jon Jungbien; Yoo, Jiho

doi:10.1016/j.rser.2023.113193

Cited by 15 publications

(3 citation statements)

References 222 publications

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“…Indonesia has the potential to generate over 40 million tonnes of crude palm oil (CPO) per year by 2023 while also expanding its oil palm sector [1]. The recycling biomass from oil palm trunks biomass (OPTB) will contribute to the sustainability and economic success of the oil palm industry and Indonesia's 2060 net zero target [2]. OPTB is acknowledged as a highly potential source of lignocellulosic materials derived from oil palm plantation (replanting), which comprises around 29-45% cellulose, 12-29% hemicellulose, and 18-23% lignin [3].…”

Section: Introductionmentioning

confidence: 99%

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Amino acid biosynthetic and antioxidant activity of Brevibacterium sp. InaCC B46 using glucose substrate produced by saccharification of oil palm trunk biomass

Riftyan,

Yusmarini,

Fitriani

et al. 2024

BIO Web Conf.

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Brevibacterium sp. is commercially essential due to its production of amino acids, particularly glutamic acid and lysine. This work investigates the effect of Brevibacterium sp. concentration on L-amino acid synthesis from glucose hydrolysed from oil palm trunk biomass as a substrate. The study employed a two-factorial, completely randomised experimental design. Factor A consisted of concentrations of Brevibacterium sp. (1%, 3%, and 5%), while factor B was incubation duration (24 and 48 hours). The study measured the concentrations of four amino acids (alanine, glycine, tyrosine, and glutamic acid) using the colourimetric ninhydrin reaction. Additionally, the viability and antioxidant activity of Brevibacterium sp. during incubation time was measured with spectrophotometry (UV-VIS). The results indicate no significant interaction between factors (P>0.05) but a significant effect (P<0.05) depending on the concentration and incubation time of Brevibacterium sp. InaCCB46 for all parameters. The study found that the biosynthesis of amino acids was most efficient with a 5% concentration of bacteria during 24-hour incubation, resulting in the highest output of alanine, glycine, tyrosine, and glutamic acid at 6.46, 4.58, 6.16, and 6.67 µg/mL, respectively. However, it should be noted that bacterial viability was higher after 24 hours of incubation, ranging from 144.18–216.99% and had strong antioxidant activity at 22.43 ppm.

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Section: Introductionmentioning

confidence: 99%

“…The cellulase enzyme is typically necessary and utilised to accomplish the conversion objective. By enzymatic saccharification, high cellulose digestibility of 86-87% of raw OPTB solids [2]. In addition, according to [4], 43.5 g of glucose per 100 g of dry OPTB was obtained, corresponding to 81.3% of the theoretical glucose yield.…”

Section: Introductionmentioning

confidence: 99%

Amino acid biosynthetic and antioxidant activity of Brevibacterium sp. InaCC B46 using glucose substrate produced by saccharification of oil palm trunk biomass

Riftyan,

Yusmarini,

Fitriani

et al. 2024

BIO Web Conf.

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“…The worldwide palm oil production for the 2016-2017 amounted to roughly 64.5 million tons [6]. The substantial growth of approximately 6.1 million tons of waste materials, including empty fruit bunches, fibers, and kernels in palm oil plantations, caused a significant increase in the amount of solid trash produced [7]. This surge in waste has subsequently caused environmental problems [8][9][10].…”

Section: Introductionmentioning

confidence: 99%

Fire Resistance of Lightweight Aggregate Concrete Containing Spent Garnet as Partial Fine Aggregate Replacement

Jaafar,

Muthusamy,

Jamaludin

et al. 2024

TOBCTJ

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Introduction The escalating demand for concrete, driven by global infrastructure development, poses significant challenges to environmental sustainability due to the depletion of natural resources and the accumulation of waste materials. This paper explores the potential of utilizing waste materials, particularly palm oil clinker (POC) and spent garnets, as sustainable alternatives in concrete production. The depletion of natural aggregates, such as river sand, coupled with the environmental hazards associated with waste disposal, underscores the urgent need for eco-friendly solutions in construction materials. POC, derived from palm oil production waste, and spent garnets from abrasive industries offer promising avenues for reducing environmental impact and enhancing sustainability in concrete production. By addressing the dual challenges of resource depletion and waste management, this research aims to contribute to developing greener construction practices and mitigating environmental degradation. Aims This study aims to investigate the effects of incorporating spent garnet as a partial fine aggregate replacement on the fire resistance of POC LWAC. By examining the interplay between spent garnet inclusion and fire resistance, the research contributes to developing more sustainable concrete formulations and aids in industrial waste management practices, addressing critical societal and environmental challenges. Methods This study investigates the effects of elevated temperatures on the compressive strength and durability of POC LWAC specimens. Concrete specimens were demoulded after 24 hours of curing and submerged in water for 28 days. Compressive strength and water absorption tests were conducted at the end of the curing period. Subsequently, specimens were subjected to temperatures of 300 °C, 500 °C, and 700 °C for 1 hour in a furnace. After cooling naturally for 24 hours, visual inspection, mass reduction analysis, and evaluation of residual compressive strength were performed. Results Results indicate that 20% garnet replacement yields the highest compressive strength due to pore filling and denser structure. Higher garnet levels lead to reduced strength and increased water absorption. Visual assessment post-heating shows surface alterations, with 20% garnet exhibiting the lowest mass loss and strength reduction at elevated temperatures. Conclusion Notably, specimens containing 20% spent garnet in POC LWAC performed better in a fire than others, enhancing their fire-resistant properties. In summary, this research introduces a hopeful approach to improve the sustainability of concrete and mitigate the environmental repercussions of industrial waste.

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Optimizing for modified simultaneous saccharification and fermentation to produce bio-ethanol from environmentally friendly delignification of oil palm empty fruit bunch

Prasetyo,

Akbar,

Aulanni’am

et al. 2024

Biomass Conv. Bioref.

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Oil palm biomass in Indonesia: Thermochemical upgrading and its utilization

Cited by 15 publications

References 222 publications

Amino acid biosynthetic and antioxidant activity of Brevibacterium sp. InaCC B46 using glucose substrate produced by saccharification of oil palm trunk biomass

Amino acid biosynthetic and antioxidant activity of Brevibacterium sp. InaCC B46 using glucose substrate produced by saccharification of oil palm trunk biomass

Fire Resistance of Lightweight Aggregate Concrete Containing Spent Garnet as Partial Fine Aggregate Replacement

Optimizing for modified simultaneous saccharification and fermentation to produce bio-ethanol from environmentally friendly delignification of oil palm empty fruit bunch

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