Abstract:Vegetation biomass production in North-East India within Indo-Burma biodiversity hotspot is luxuriant and available from April to October to consider their potential for bioethanol production. Potential of six lignocellulosic biomass (LCB) sources; namely, sugarcane bagasse (BG), cassava aerial parts (CS), ficus fruits (Ficus cunia) (FF), "phumdi" (floating biomass), rice straw (RS), and sawdust were investigated for bioethanol production using standard techniques. Morphological and chemical changes were evalu… Show more
“…Strong intensity was observed at this band in chemically treated DRFF representing higher percentage of cellulose. C-O-C stretching vibration corresponding to ester representing hemi-cellulose was observed in untreated DRFF spectra at absorbance band of 1259 cm -1 , but it is missing in chemically treated DRFF which proved the removal of hemi-cellulose [30]. C-O-C asymmetric stretching vibration representing cellulose and hemi-cellulose was observed in both untreated and chemically treated DRFF spectra at absorbance band of 1132 cm -1 and 1115 cm -1 [31].…”
Lignocellulosic fibers have attracted the attention of researchers, academicians and industries in recent years. These fibers have several advantages as compared to conventionally used fibers such as availability in abundance in nature as it can be extracted from almost every plants, biodegradability, environmental friendliness, high specific strength, etc. Cellulose content of fiber depends on the chemical constituents of the source plant from which it is extracted hence it becomes necessary to understand the constituents of lignocellulosic fibers before its application. In this paper, a new source (Delonix Regia Fruit) of cellulosic fibers has been evaluated and chemical constituents of Delonix Regia fruit fiber has been compared with several lignocellulosic plant fibers. Also, Delonix Regia Fruit fibers are presented as a new source of cellulose and Chemical methods are used for extraction of cellulose from it. Chemically Treated and untreated fibers are characterized by Fourier Transform Infrared Spectroscopy (FT-IR) and Thermo Gravimetric Analysis (TGA) to understand the effect of chemical treatment, properties of the cellulose yield. From the results compositional analysis it can be seen that Delonix Regia fruit fibers have 66.9% cellulose content which is very high as compared to most of the popular sources which makes it suitable and cost effective to extract cellulose from it and can be used in biocomposites and bionanocomposites. Analysis of FT-IR spectra of untreated and chemically treated Delonix Regia Fruit Fibers revealed the removal of hemi-cellulose and lignin by chemical treatments followed. TGA-DTG results proved that highly purified yield of cellulose is successfully extracted by the chemical route followed.
“…Strong intensity was observed at this band in chemically treated DRFF representing higher percentage of cellulose. C-O-C stretching vibration corresponding to ester representing hemi-cellulose was observed in untreated DRFF spectra at absorbance band of 1259 cm -1 , but it is missing in chemically treated DRFF which proved the removal of hemi-cellulose [30]. C-O-C asymmetric stretching vibration representing cellulose and hemi-cellulose was observed in both untreated and chemically treated DRFF spectra at absorbance band of 1132 cm -1 and 1115 cm -1 [31].…”
Lignocellulosic fibers have attracted the attention of researchers, academicians and industries in recent years. These fibers have several advantages as compared to conventionally used fibers such as availability in abundance in nature as it can be extracted from almost every plants, biodegradability, environmental friendliness, high specific strength, etc. Cellulose content of fiber depends on the chemical constituents of the source plant from which it is extracted hence it becomes necessary to understand the constituents of lignocellulosic fibers before its application. In this paper, a new source (Delonix Regia Fruit) of cellulosic fibers has been evaluated and chemical constituents of Delonix Regia fruit fiber has been compared with several lignocellulosic plant fibers. Also, Delonix Regia Fruit fibers are presented as a new source of cellulose and Chemical methods are used for extraction of cellulose from it. Chemically Treated and untreated fibers are characterized by Fourier Transform Infrared Spectroscopy (FT-IR) and Thermo Gravimetric Analysis (TGA) to understand the effect of chemical treatment, properties of the cellulose yield. From the results compositional analysis it can be seen that Delonix Regia fruit fibers have 66.9% cellulose content which is very high as compared to most of the popular sources which makes it suitable and cost effective to extract cellulose from it and can be used in biocomposites and bionanocomposites. Analysis of FT-IR spectra of untreated and chemically treated Delonix Regia Fruit Fibers revealed the removal of hemi-cellulose and lignin by chemical treatments followed. TGA-DTG results proved that highly purified yield of cellulose is successfully extracted by the chemical route followed.
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