Progress in thermochemical conversion of duckweed and upgrading of the bio-oil: A critical review

Djandja, Oraléou Sangué; Yin, Lin-Xin; Wang, Zhicong; Guo, Yao; Zhang, Xiaoxiao; Duan, Pei-Gao

doi:10.1016/j.scitotenv.2020.144660

Cited by 26 publications

(8 citation statements)

References 88 publications

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“…This part of the review focuses on the production of bioalcohols using duckweed biomass. Methods for biofuel production from several floating aquatic plants by transesterification, pyrolysis, hydrolysis and torrefraction have been reviewed (Ma and Hanna 1999;Arefin et al 2021;Djandja et al 2021).…”

Section: Use Of Starch For Production Of Bio-fuelsmentioning

confidence: 99%

“…Alternatively to the degradation of starch and fermentation of the released carbohydrates, duckweed biomass can be subjected to thermochemical conversion to produced bio-oil. Two different procedures are available, pyrolysis at high temperatures or hydrothermal liquefaction (Djandja et al 2021). Compared to hydrothermal liquefaction, pyrolysis provides more aromatic hydrocarbons and less ketones resulting moreover in a bio-oil with lower N content, as reviewed recently by Djandja et al (2021).…”

Section: Use Of Starch For Production Of Bio-fuelsmentioning

confidence: 99%

“…Two different procedures are available, pyrolysis at high temperatures or hydrothermal liquefaction (Djandja et al 2021). Compared to hydrothermal liquefaction, pyrolysis provides more aromatic hydrocarbons and less ketones resulting moreover in a bio-oil with lower N content, as reviewed recently by Djandja et al (2021). Chen et al (2020a, b) optimized the reaction conditions concerning temperature and duration of the treatment during hydrothermal liquefaction and reported that hydrothermal liquefaction at 370 °C for 45 min, a yield of nearly 41% was obtained.…”

Section: Use Of Starch For Production Of Bio-fuelsmentioning

confidence: 99%

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Accumulation of starch in duckweeds (Lemnaceae), potential energy plants

Appenroth¹,

Ziegler

Sree

2021

Physiol Mol Biol Plants

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Starch can accumulate in both actively growing vegetative fronds and over-wintering propagules, or turions of duckweeds, small floating aquatic plants belonging to the family of the Lemnaceae. The starch synthesizing potential of 36 duckweed species varies enormously, and the starch contents actually occurring in the duckweed tissues are determined by growth conditions, various types of stress and the action of growth regulators. The present review examines the effects of phytohormones and growth retardants, heavy metals, nutrient deficiency and salinity on the accumulation of starch in duckweeds with a view to obtaining high yields of starch as a feedstock for biofuel production. Biotechnological approaches to degrading duckweed starch to its component sugars and the fermentation of these sugars to bio-alcohols are also discussed.

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Section: Use Of Starch For Production Of Bio-fuelsmentioning

confidence: 99%

Section: Use Of Starch For Production Of Bio-fuelsmentioning

confidence: 99%

Section: Use Of Starch For Production Of Bio-fuelsmentioning

confidence: 99%

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Accumulation of starch in duckweeds (Lemnaceae), potential energy plants

Appenroth¹,

Ziegler

Sree

2021

Physiol Mol Biol Plants

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“…A low O/C ratio implies developing pyrolysis products with an aromatic structure, low polarity and acidity, and high heating values (HHV). Moreover, while a lower atomic H/C ratio enhances the combustion characteristics and is desirable for the production of solid fuels, combining low O/C and higher H/C can generate products with less unsaturated compounds and more chemical stability, being favorable to be used as liquid fuels. , Thus, the relatively high H/C ratios calculated in this work (Table ) described CC and SS as aliphatic-rich biomass, which could lead to the obtention of bio-oil with low viscosity and richness in compounds compatible with the current transport fuels. However, SS’s high O/C molar ratio contributes to poor energy value, as observed in its HHV, and unstable thermochemical properties.…”

Section: Results and Discussionmentioning

confidence: 99%

Bio-Oil Production and Characterization from Corn Cob and Sunflower Stem Pyrolysis

Zubiolo,

de Santana,

Pereira

et al. 2023

Ind. Eng. Chem. Res.

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Using agro-industry residues as an energy source has been essential to replacing traditional fuels and developing resilient and sustainable socio-economic scenarios. The present work uses sunflower stem and corn cob as pyrolysis feedstocks to track the thermochemical synthesis of the renewable energy products bio-oil, biogas, and biochar and their relation to biomass components. Characterization and thermal degradation of biomass samples were provided by determining the elemental and lignocellulosic composition and thermogravimetric analysis. The three main products from pyrolysis conducted at 500 °C (biochar, bio-oil, and biogas) were evaluated for their yield, and the bio-oils were also characterized by Fourier transform infrared elementary analysis and gas chromatography/mass spectrometry. The obtained bio-oils showed similar profiles, presenting phenol and carboxylic acids as the major classes and the presence of alcohols and aldehydes. Therefore, outcomes allowed for understanding the thermal behavior of biomass components and the impact of different input materials on pyrolysis of product yield and properties.

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“…Duckweed is also a high-quality raw material for developing bioenergy, such as ethanol, butanol, and biogas, because of its ultra-high biomass accumulation rate, short reproduction cycle, growth in floating water, and ease of harvesting. It is a promising raw material for bioenergy production [ 81 , 82 ].…”

Section: Study On the Biomass Transformation Of High-starch Duckweedmentioning

confidence: 99%

Duckweed Is a Promising Feedstock of Biofuels: Advantages and Approaches

Yang

2022

IJMS

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With the growing scarcity of traditional sources of energy and the accompanying acute environmental challenges, biofuels based on biomass are favored as the most promising alternative. As one of the core raw materials for biomass energy, research on its production methods and synthesis mechanisms is emerging. In recent years, duckweed has been used as a high-quality new biomass feedstock for its advantages, including fast biomass accumulation, high starch content, high biomass conversion efficiency, and sewage remediation. This study provides a systematic review of the growth characteristics, starch metabolism pathways, and methods to improve starch accumulation in the new energy plant, duckweed. The study also presents a prospect that might be used as a reference for the development of duckweed as a new energy-providing plant.

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Progress in thermochemical conversion of duckweed and upgrading of the bio-oil: A critical review

Cited by 26 publications

References 88 publications

Accumulation of starch in duckweeds (Lemnaceae), potential energy plants

Accumulation of starch in duckweeds (Lemnaceae), potential energy plants

Bio-Oil Production and Characterization from Corn Cob and Sunflower Stem Pyrolysis

Duckweed Is a Promising Feedstock of Biofuels: Advantages and Approaches

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