Chemical composition, pretreatments and saccharification of Senna siamea (Lam.) H.S. Irwin &amp; Barneby: An efficient biomass producing tree legume

Mund, Nitesh Kumar; Dash, Debabrata; Barik, Chitta Ranjan; Goud, Vaibhav V.; Sahoo, Lingaraj; Mishra, Prasannajit; Nayak, Nihar R.

doi:10.1016/j.biortech.2016.01.118

Cited by 15 publications

(7 citation statements)

References 25 publications

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“…These plants are characterized by fast growth and low water requirements; hence, their plantations are popular in the arid regions of Asia and Africa. The wood of these plants is most often used as firewood, while the green leaves are used in the production of teas that support intestinal peristalsis, painkillers, and natural anti-malaria agents [31]. The fine-grained senna leaf (Fig.…”

Section: Methodsmentioning

confidence: 99%

A comprehensive study of buckwheat husk co-pelletization for utilization via combustion

Yildiz

Cwalina

Obidziński

2022

Biomass Conv. Bioref.

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Buckwheat husks are a valuable source of carbon and show the potential to be used as an energy source. However, due to low bulk density and low susceptibility to compaction, it is beneficial to use them in the form of co-pellets. The study presents comprehensive research detailing buckwheat husks’ potential for co-pelletization with oily (peanut husks) and dusty (senna leaves) agri-food wastes, whereas the effect of material parameters such as the amount of additive (10, 15, 20%) and the process parameters as the die rotational speed (170, 220, 270 rpm) on pellets’ quality (kinetic durability, bulk and particle density, degree of compaction) and the energy consumption of the pelletization process were examined. Ten percent of potato pulp as a binder was added to each pelletized mixture. It was found that an increase in the senna leaf content affects positively the kinetic durability of pellets. The fatty peanut husks have a negative effect on the pellets’ quality (measured by the kinetic durability and bulk density); however, both additions of senna leaves and peanut husks are lowering the energy consumption of the pelletizer. The highest quality pellets and the addition of 10% peanut husks to buckwheat husks (kinetic durability of 96%) and 20% of senna leaves to buckwheat husks (kinetic durability of 92%) obtained at 170 rpm were subjected to combustion in a fixed-bed unit, and the content of CO, CO2, NO, SO2, HCl, and O2 in the fuel gases was measured. The emission factors were higher than the Ecodesign limitations (CO > 500 mg·Nm−3, NO > 200 mg·Nm−3). The obtained results indicate that buckwheat husks can be successfully co-pelletized with other waste biomass; however, the pellets to be combusted require a boiler with improved air-supplying construction.

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Section: Methodsmentioning

confidence: 99%

A comprehensive study of buckwheat husk co-pelletization for utilization via combustion

Yildiz

Cwalina

Obidziński

2022

Biomass Conv. Bioref.

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“…Stained sections were photographed under UV light range using a fluorescence microscope (excitation filter: 340-380 nm; Carl Zeiss Microscope). The quantification of cellulose and hemicellulose was made using National Renewable Energy Laboratory (NREL) protocols as described in Mund et al (2016). The quantifications were made in four biological replications for each genotype.…”

Section: Methodsmentioning

confidence: 99%

Sucrose transport and metabolism control carbon partitioning between stem and grain in rice

Mathan

Singh

Ranjan

2020

Preprint

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SummaryThe source-sink relationship is key to the overall crop performance in terms of biomass and grain yield. Detailed understanding of the factors that determine source-sink dynamics, such as developmental and physiological features of source and sink tissues, photoassimilate partitioning from source to sink tissues, and metabolic status of the tissues, is imperative for optimization of crop performance. We investigated the differences in the source-sink relationship between a cultivated rice variety Oryza sativa cv. Nipponbare and a wild rice Oryza australiensis that show striking differences in biomass and grain yield traits. The wild rice, accumulating higher biomass, was not only photosynthetically efficient but also had efficient phloem loading and sucrose export from leaves. However, sucrose was not efficiently mobilized to panicle due to fewer number of smaller vascular bundles at the panicle base as well as lower expression of OsSWEETs and OsSUT1 in developing spikelets of O. australiensis compared to Nipponbare. High cleavage activity of Sucrose Synthase followed by higher expression of Cellulose Synthase genes in the wild rice stem efficiently utilized photosynthates for the synthesis of structural carbohydrates, resulting in high biomass. In contrast, the source-sink relationship favored high grain yield in Nipponbare via accumulation of transitory starch in the stem, due to higher expression of starch biosynthetic genes, to be mobilized to panicles with the onset of grain filling. Thus, vascular features and sucrose transporter functions together with functions of key sugar metabolic enzymes contributed to the variations in the source-sink relationship between the selected cultivated and wild rice.

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“…Typically, phosphoric acid is known to be a cellulose solvent (when concentrated, to produce swollen cellulose) and an efficient acidic catalyst for polysaccharide hydrolysis [27,28] . Several process concepts have been developed using phosphoric acid, for example, in combination with mechanical treatment, [29] or by adding organic solvents like acetone or ethanol [30–34] . The practical use of phosphoric acid as catalyst may be hampered by its costs; [35] however, such biorefinery concepts might become economically viable with optimal heat integration, efficient recycling of the acid, and lowering the energy consumption of the process.…”

Section: Introductionmentioning

confidence: 99%

Lignocellulose Fractionation Using Recyclable Phosphoric Acid: Lignin, Cellulose, and Furfural Production

Weidener

Leitner

Marı́a³

et al. 2020

ChemSusChem

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The conversion of lignocellulose into its building blocks and their further transformation into valuable platform chemicals (e. g., furfural) are key technologies to move towards the use of renewable resources. This paper explored the disentanglement of lignocellulose into hemicellulose‐derived sugars, cellulose, and lignin in a biphasic solvent system (water/2‐methyltetrahydrofuran) using phosphoric acid as recyclable catalyst. Integrated with the biomass fractionation, in a second step hemicellulose‐derived sugars (mainly xylose) were converted to furfural, which was in situ extracted into 2‐methyltetrahydrofuran with high selectivity (70 %) and yield (56 wt %). To further increase the economic feasibility of the process, a downstream and recycling strategy enabled recovery of phosphoric acid without loss of process efficiency over four consecutive cycles. This outlines a more efficient and sustainable use of phosphoric acid as catalyst, as its inherent costs can be significantly lowered.

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Chemical composition, pretreatments and saccharification of Senna siamea (Lam.) H.S. Irwin & Barneby: An efficient biomass producing tree legume

Cited by 15 publications

References 25 publications

A comprehensive study of buckwheat husk co-pelletization for utilization via combustion

A comprehensive study of buckwheat husk co-pelletization for utilization via combustion

Sucrose transport and metabolism control carbon partitioning between stem and grain in rice

Lignocellulose Fractionation Using Recyclable Phosphoric Acid: Lignin, Cellulose, and Furfural Production

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