Evaluation of squeezing pretreatment for improving methane production from fresh banana pseudo-stems

Pan, Shiyou; Chi, Yue; Zhou, Lang; Li, Zhenchong; Du, Liqin; Wei, Yutuo

doi:10.1016/j.wasman.2019.12.011

Cited by 19 publications

(3 citation statements)

References 35 publications

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“…BPS is an agricultural waste that is available in large quantities, low in price, and biodegradable (Shimizu et al 2018;Neher et al 2020). BPS can be utilized in different fields, such as paper making, rope making, and production of bags and biofuels (Alarcón and Marzocchi 2015;Othman et al 2020;Pan et al 2020). Generally, cellulose, hemicellulose and lignin are found in banana pseudo-stem fiber (BPSF).…”

Section: Introductionmentioning

confidence: 99%

Optimization of alkali-treated banana pseudo-stem fiber/PBAT/PLA bio-composite for packaging application using response surface methodology

Pei

Zou

Zhang

et al. 2022

BioRes

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The objective of this research was to prepare an optimized bio-composite for packaging based on alkali-treated banana pseudo-stem fiber (BPSF), PBAT, and PLA using response surface methodology (RSM). The effects of three factors, i.e., alkali-treated BPSF (0.8 to 2.4 g), PBAT (0.75 to 2.25 g), and PLA (1.6 to 3.2 g) on two dependent variables, i.e., bending strength and tensile strength of bio-composite, were investigated. Box-Behnken design (BBD) provided the combination for an optimum composite, which was 1.15 g of alkali-treated BPSF, 2.09 g of PBAT, and 2.66 g of PLA, respectively. The bending strength and tensile strength for alkali-treated BPSF/PBAT/PLA composite were 32.62 MPa and 30.91 MPa, which was 20.50% and 16.51% higher than native BPSF/PBAT/PLA composite. The bio-composite prepared using the optimized results was further characterized by Fourier transform infrared spectroscopy (FTIR), thermogravimetry, scanning electron microscopy (SEM), mechanical testing, contact angles, and water absorption tests. Analyses showed that alkali-treatment could improve the adhesion and compatibility of BPSF in the polymer matrix. These outcomes were associated with the use of treated-BPSF for better mechanical strength and lower hygroscopicity. This result demonstrated that alkali-treated agricultural residue and degradable polymer could be used to prepare composite materials for green packaging application.

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Section: Introductionmentioning

confidence: 99%

Optimization of alkali-treated banana pseudo-stem fiber/PBAT/PLA bio-composite for packaging application using response surface methodology

Pei

Zou

Zhang

et al. 2022

BioRes

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“…Nevertheless, T. latifolia had a lower lignin content than both switchgrass (31.2%) and eucalyptus (29.4%) [41], and several agricultural wastes, such as sorghum straw (30.4%) [39], cotton stalk (30.0%), and walnut shell (37.5%) [1]. Additionally, the total carbohydrates (62.4 ± 0.7%) in the T. latifolia biomass were higher than those of lignocellulosic materials such as banana pseudostems (51.5%) [42], bean straw (55.0%) [43], switchgrass (56.8%) [44], olive tree (57.8%) [45], and sugar cane (60.7%) [46], which are promoted as feedstock to produce biofuels. These total carbohydrate percentages demonstrate that T. latifolia biomass could be utilized to generate cellulosic ethanol.…”

Section: Characterization Of T Latifolia Biomassmentioning

confidence: 96%

Phosphoric Acid Pre-treatment Improves Enzymatic Hydrolysis of Weedy Biomass (<em>Thysanolaena latifolia</em>) for Bioethanol Production

Wongleang,

Premjet,

Premjet

2024

Preprint

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Lignocellulosic biomass has garnered attention as an abundant and sustainable alternative energy source that can facilitate reliable and environmentally friendly energy generation. Energy security improves, and environmental impacts diminish when bioethanol, a biofuel produced via lignocellulose-based processes, is utilized. The lignocellulosic biomass of Thysanolaena latifolia has considerable potential as a bioethanol feedstock due to its high carbohydrate content (62.4 ± 0.7%). In this study, feedstock derived from T. latifolia was pretreated with various concentrations of H3PO4 to determine the ideal conditions for enzymatic hydrolysis to convert the feedstock to fermentable sugar. The findings revealed that hydrolysis efficiency and glucose recovery yields were substantially improved compared to those of the untreated sample. Pretreated samples were enzymatically digested to produce a liquid hydrolysate. This hydrolysate was fermented without detoxification using Saccharomyces cerevisiae TISTR 5339 to produce ethanol. The results indicated that T. latifolia biomass hydrolysate is a promising long-term carbon source for ethanol production from cellulosic biomass. Furthermore, the morphological and crystallographic characteristics of the treated T. latifolia biomass were influenced by H3PO4 concentration, as indicated by the SEM images, X-ray diffractogram patterns, and crystallinity index values. Therefore, utilizing T. latifolia feedstock to produce bioethanol can enhance bioenergy sustainability.

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“…For example, Gunaseelan [22] found that banana peel produced a methane yield of 243-322 mL/g VS during LS-AD. Previous studies showed that LS-AD of banana leaf and stem achieved methane yields of 46-56 mL/g VS [41,42] and 146 to 347 mL/g VS [2,43], respectively. Jokhio, et al [44] found that batch LS-AD of mixed banana waste (stem and leaf) achieved a methane yield of 48 mL/g VS. Zhang, et al [45] reported that the methane yield of HS-AD of banana stem was 232 mL/g VS.…”

Section: Methane Production With Varying Biochar Dosagesmentioning

confidence: 99%

Enhancement of System and Environmental Performance of High Solids Anaerobic Digestion of Lignocellulosic Banana Waste by Biochar Addition

2023

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Banana waste, a lignocellulosic waste material, is generated in large quantities around the world. High Solids Anaerobic Digestion (HS-AD) of lignocellulosic waste can recover energy and reduce its environmental impacts. However, high carbon/nitrogen ratios and low water content in HS-AD can potentially cause system acidification and/or failure. This study investigated the addition of biochar to enhance the performance of HS-AD of mixed banana waste (peel, stem, and leaf). Biochemical methane potential assays with varying biochar dosages (2.5–30%) showed that 10% biochar addition increased methane yields by 7% compared with unamended controls. Semi-continuous HS-AD studies, without and with 10% biochar addition, were conducted at varying solids retention times (42, 35, and 28 days) for long-term performance evaluation. Biochar addition reduced volatile fatty acid accumulation, improved system stability, and increased methane production by 20–47%. The nutrient content of digestate from HS-AD of banana waste indicated its potential use as a bio-fertilizer. Life cycle assessment results showed that biochar addition to HS-AD resulted in greater environmental benefits in most categories compared with the unamended control, including eutrophication, ecotoxicity, and fossil fuel depletion when biochar was available within a radius of 8830 km.

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Evaluation of squeezing pretreatment for improving methane production from fresh banana pseudo-stems

Cited by 19 publications

References 35 publications

Optimization of alkali-treated banana pseudo-stem fiber/PBAT/PLA bio-composite for packaging application using response surface methodology

Optimization of alkali-treated banana pseudo-stem fiber/PBAT/PLA bio-composite for packaging application using response surface methodology

Phosphoric Acid Pre-treatment Improves Enzymatic Hydrolysis of Weedy Biomass (<em>Thysanolaena latifolia</em>) for Bioethanol Production

Enhancement of System and Environmental Performance of High Solids Anaerobic Digestion of Lignocellulosic Banana Waste by Biochar Addition

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