Pyrolysis of azolla, sargassum tenerrimum and water hyacinth for production of bio-oil

Biswas, Bijoy; Singh, Rawel; Krishna, Bhavya B.; Kumar, J.; Bhaskar, Thallada

doi:10.1016/j.biortech.2017.03.044

Cited by 88 publications

(24 citation statements)

References 34 publications

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“…Singh et al [46] conducted hydrothermal liquefaction of water hyacinth under various conditions. Biswas et al [47] conducted pyrolysis of azolla, verbena, and hyacinth under a nitrogen atmosphere at a temperature of 300-450 • C. The maximum liquid product yield of water hyacinth was 24.6 wt% at 400 • C.…”

Section: Other Utilizationsmentioning

confidence: 99%

The Resource Utilization of Water Hyacinth (Eichhornia crassipes [Mart.] Solms) and Its Challenges

Sun²,

Xia

et al. 2018

Resources

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Abstract:The unchecked growth of Eichhornia crassipes can cause significant harm, including covering of the water surface, depletion of oxygen, clogging of river channels, and promotion of the breeding of flies and mosquitoes. These effects can significantly impact farmland irrigation, water transportation, and human health. However, methods for controlling its growth are not ideal, and control using biological and chemical agents can result in secondary pollution. The utilization of E. crassipes as a resource, for example, as animal feed or organic substrates, can not only turn waste into valuable resources, but it can also solve the problem of its growth, thus bringing about economic and ecological benefits. In this paper, the growth and ecological characteristics of E. crassipes, its nutrient composition, and resource utilization approaches were reviewed. The challenges associated with the large-scale utilization of E. crassipes were also analyzed in order to provide references for the control and resource utilization of the species. Regarding challenges such as the difficulty of cultivation and the high cost of harvesting and dehydrating, it is necessary to investigate the proper water surface and coverage characteristics of E. crassipes cultivation to assure adequate biomass and protect the ecological landscape. It is also necessary to evaluate the effect of E. crassipes cultivation on the health of aquatic ecosystems and the safety of the water environment in order to prevent the significant potential ecological and environmental risks. In addition, developing portable, high-efficiency facilities to promote the effectiveness of harvesting, transportation and dehydration are needed, as well as further improvement in the techniques of utilization and assessment of the economic value.

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Section: Other Utilizationsmentioning

confidence: 99%

The Resource Utilization of Water Hyacinth (Eichhornia crassipes [Mart.] Solms) and Its Challenges

Sun²,

Xia

et al. 2018

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“…Pyrolysis has been applied to various biomass such as coffee grounds [2], waste tea [3], sugarcane bagasse [4], corn cob, wheat straw, rice straw and rice husk [5], coconut shell [6], oil palm trunk [7], palm kernel shell [8], saw dust [9], aquatic biomass [10] and rubber seed shell and kernel [11]. Palm empty fruit bunch (PEFB) from an oil palm plantation is one of the potential biomass to produce biofuels due to its abundant supply and easy to handle.…”

Section: Introductionmentioning

confidence: 99%

Pyrolysis of palm empty fruit bunch: Yields and analysis of bio-oil

Sutrisno

Hidayat

2018

MATEC Web Conf.

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Abstract. The palm oil industry is currently growing rapidly and generating large amounts of biomass waste that is not utilized properly. Palm empty fruit bunch (PEFB), by product of palm oil industry is considered as a promising alternative and renewable energy source that can be converted to a liquid product by pyrolysis process. In this work, pyrolysis of PEFB was studied to produce bio-oil. Pyrolysis experiments were carried out in a bench scale tubular furnace reactor. The effects of pyrolysis temperatures (400-600 C) at heating rate of 10 C/min to optimize the pyrolysis process for maximum liquid yield were investigated. The characteristics of bio-oil were analyzed using FTIR and GC-MS. The results showed that the maximum biooil yield was 44.5 wt. % of the product at 450 C. The bio-oil products were mainly composed of acids, aldehydes, ketones, alcohols, phenols, and oligomers. The chemical characterization showed that the bio-oil obtained from PEFB may be potentially valuable as a fuel and chemical feedstock.

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“…They have relatively high productivity, high lipid yields, and do not compete with crops or forestry for arable land and clean water [4]. As well, algae oil is a good raw material for the preparation of biofuels, thus making the oil-rich microalgae a good candidate for the production of renewable clean biofuels, saving energy and reducing emissions [5,6,7]. Coccomyxa subellipsoidea C-169 (hereafter C-169) is non-kinetic single-cell green algae found in Polar Regions.…”

Section: Introductionmentioning

confidence: 99%

Identification and Characterization of MiRNAs in Coccomyxa subellipsoidea C-169

Yang¹,

Gu²,

Peng³

et al. 2019

IJMS

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Coccomyxa subellipsoidea C-169 (C-169) is an oleaginous microalga which is promising for renewable biofuel production. MicroRNAs (miRNAs), as the pivotal modulators of gene expression at post-transcriptional level, are prospective candidates for bioengineering practice. However, so far, no miRNA in C-169 has been reported and its potential impact upon CO2 supplementation remains unclear. High-throughput sequencing of small RNAs from C-169 cultured in air or 2% CO2 revealed 124 miRNAs in total, including 118 conserved miRNAs and six novel ones. In total, 384 genes were predicted as their potential target genes, 320 for conserved miRNAs and 64 for novel miRNAs. The annotated target genes were significantly enriched in six KEGG pathways, including pantothenate and CoA biosynthesis, C5-branched dibasic acid metabolism, 2-oxocarboxylic acid metabolism, butanoate metabolism, valine, leucine and isoleucine biosynthesis and alpha-linolenic acid metabolism. The miRNAs’ target genes were enriched in lipid metabolism as well as RNA-interacting proteins involved in translation, transcription and rRNA processing. The pioneering identification of C-169 miRNAs and analysis of their putative target genes lay the foundation for further miRNA research in eukaryotic algae and will contribute to the development of C-169 as an oleaginous microalga through bioengineering in the future.

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Pyrolysis of azolla, sargassum tenerrimum and water hyacinth for production of bio-oil

Cited by 88 publications

References 34 publications

The Resource Utilization of Water Hyacinth (Eichhornia crassipes [Mart.] Solms) and Its Challenges

The Resource Utilization of Water Hyacinth (Eichhornia crassipes [Mart.] Solms) and Its Challenges

Pyrolysis of palm empty fruit bunch: Yields and analysis of bio-oil

Identification and Characterization of MiRNAs in Coccomyxa subellipsoidea C-169

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