Thermal Degradation of Rice Straw and its Components

Lipska-Quinn, A.E.; Zeronian, S. H.; McGee, Kameryn

doi:10.1007/978-94-009-4932-4_26

Cited by 19 publications

(5 citation statements)

References 6 publications

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“…In a study of rice husks and components, the first exothermic peak below 400°C was attributed to oxidation of volatile products of decomposition; the second exotherm at 450°C was believed to be due to oxidation of residual char for cellulose [ 9 ] . A similar explanation may be advanced for hemicellulose and lignin.…”

Section: Dsc Of Defatted Jutementioning

confidence: 99%

Thermal Analysis of Chemically Treated Jute Fibers

Pandey

Day

Mathew

1993

Textile Research Journal

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DSC and TGA studies were made of jute fibers treated with a flame retardant formulation, borax-formaldehyde-sodium hydrosulphite. DSC thermograms were obtained in both nitrogen and air atmospheres and TGA thermograms in nitrogen atmosphere. A thermal analysis was also made of fibers treated with borax alone. A comparison of thermograms for treated fibers with that of the control showed differences in the characteristic peak patterns due to the flame retardant treatment. The acquired flame retardancy of jute is explained on the basis of both the DSC and TGA analyses. « Jute, which was once the main packaging material in the world, is facing stiff competition from synthetics in its conventional uses such as sacking, carpet backing, etc. Diversification may help jute regain lost markets. With this in mind, the Jute Technological Research Laboratories is pursuing studies to develop value oriented, diversified products from jute fibers such as carpets, blankets, upholstery fabrics, wall coverings, and window curtains. These products are vulnerable to fire, however, and since it is desirable to make them fire

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Section: Dsc Of Defatted Jutementioning

confidence: 99%

Thermal Analysis of Chemically Treated Jute Fibers

Pandey

Day

Mathew

1993

Textile Research Journal

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“…A slow rate region followed by a fast rate region is reported in ref for the slow pyrolysis of untreated rice husks. Again, two distinct reaction zones are observed in the TGA of leached rice straw and husks (for instance) 20,21 and of untreated straw, ,,, with the first peak (degradation rate) from 5 to 10 times higher than the second. It is suggested that the first reaction zone is due to holocellulose (hemicellulose and cellulose) degradation and the second, much slower process, to the further devolatilization of the high lignin concentration in the straw char, resulting from the first process.…”

Section: Resultsmentioning

confidence: 95%

The Effects of Water Leaching on the Isothermal Degradation Kinetics of Straw

and

Branca

2000

Ind. Eng. Chem. Res.

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The degradation kinetics of untreated and rain-leached (wheat) straw have been investigated under isothermal conditions (500-650 K) in a weakly oxidative atmosphere. For both cases, weight loss curves follow a two reaction zone mechanism. In the first, fast volatile release results in about 20-70% solid conversion, followed by further slow solid devolatilization. A semiglobal kinetic mechanism is proposed and the kinetic constants are estimated for the two reaction zones and the formation of the volatile and the solid-phase product classes. For both cases, the activation energy of the first zone is higher than that of the second, but leaching significantly reduces the reaction rates at low temperatures for the first zone and high temperatures for the second zone.

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“…During thermochemical conversion, the thermal degradation of the various components (cellulose, hemicellulose and lignin) of the organic fuel materials occurs. Full understanding of the biofuel properties and its thermochemical behaviour are thus essential for the proper design of thermochemical conversion systems (Mansaray & Ghaly, 1997; Lipska‐Quinn et al. , 1985).…”

Section: Introductionmentioning

confidence: 99%

Current and potential uses of thermally treated olive oil waste

Arvanitoyannis

Kassaveti

Stefanatos³

2007

Int J of Food Sci Tech

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The ongoing stricter policy rules on environmental issues, recent changes in consumer towards the environmental effects of food production, and even stricter regulations voted by the European Union towards reduction of the use of natural resources initiated a great amount of research towards improving the thermal waste treatment methodology. The olive oil industry continues to be one of the most heavily polluting ones among the food industries. Along this line, various thermal processes, such as pyrolysis, combustion and gasification, were investigated. Another crucial issue is the fate of treated waste. This review, apart from the presentation of various thermal treatment waste methodologies summarises the uses (either currently ongoing or having potential in the future): biodiesel, activated carbon and briquette production. Ten figures and four tables illustrated in this article provide comprehensive idea of the waste treatment methodologies, their effectiveness and uses of thermally waste treated olive materials.

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Thermal Degradation of Rice Straw and its Components

Cited by 19 publications

References 6 publications

Thermal Analysis of Chemically Treated Jute Fibers

Thermal Analysis of Chemically Treated Jute Fibers

The Effects of Water Leaching on the Isothermal Degradation Kinetics of Straw

Current and potential uses of thermally treated olive oil waste

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