The chemical composition of untreated bagasse samples and of samples submitted to acid sulfuric acid h 2 so 4, 1% and alkaline pretreatments naoh 0. Commercialization of guayule holds promise not only as an additional source of natural rubber but also for the utilization of its byproducts viz. Chemical constituents and physical properties of guayule wood and. Visual grading of tested specimens revealed all six cotton gin byproduct and guayule bagasse composition boards and the treated mdf showed better ratings than the commercial osb. Guayule bagasse gb has been shown to have termite control properties, and a combination of cotton gin and guayule wastes could also have. Hence interest in guayule has been revived once again. Board composition was homogenous with no orientation of fibers. A nonpenetrating mechanical fastener for securing a flexible sheet of an elastomeric material to the upper surface of a roof via the use of a plurality of such fasteners, each of which includes upper and lower members, wherein the latter are anchored to the roofing surface. In the factory the guayule shrub is put through various choppers and crushers while mixed with liquids. The freeflowing particulate compositions of this invention comprised of guayule bagasse impregnated with guayule resin can be used to facilitate plant cultivation, particularly guayule plant cultivation, by adding the composition to the soil at the locus of the plant roots that is, in and around plots where the plants grow, typically in an. Guayule composition boards approximately 279 by 279 mm were made with a. Guayule rubber and latex products are not available in the market largely because the raw material cost is higher than the current sources produced in southeast asia and other tropical countries hevea brasiliensis. Decrease of bagasse moisture enhance boiler efficiency due to the increasing of the calorific value. Guayule parthenium argentatum gray is an interesting alternative and renewable source of rubberlatex which has been used in the past.
Termite resistance of biobased composition boards made from cotton byproducts and guayule bagasse. Evaluation of composition, characterization and enzymatic hydrolysis of pretreated sugar cane bagasse 25 brazilian journal of chemical engineering vol. The biooil is then produced onsite costeffectively from the finely ground opportunity feedstock guayule bagasse which is created as a byproduct of latex extraction. Bridgestone and versalis partnering to expand guayule. Characterization and conversion of guar and guayule bagasse as potential resources for biofuels production. Freeflowing guayule resin and bagasse mixtures and their. Vulcanized and unvulcanized rubber compositions containing guayule resin. Guayule biomass possibly can replace or supplement traditional sources of raw materials such as petroleum and timber. The principal constituents of wood are the polysaccharides, lignin, and extracts. For guar, bagasse consists of the plant stem, leaf, and bean pod material left on the field after combine harvesting. Energydense liquid fuel intermediates by pyrolysis of.
Shop staples for sustainable earth by staples composition. Presentations sustainable bioeconomy for arid regions. Comparative life cycle assessment of conventional and. Unlike rubber produced from tropical plants, the latex in guayule is. These results reflect the different plants composition of wild guayule stands and are in agreement with several other reports. The 1h and c nmr spectra were integrated over spectral regions to quantify classes of carbon and hydrogen atoms in each biooil sample. Guayule bagasse, converted and upgraded to hydrocarboncompatible biooils 17 boateng et al. My newly updated comprehensive 30page essay on climate change. After being crushed and rolled it goes to settling tanks, where these worms from as the bagasse sink to the bottom. Utilization of guayule bagasse 80% of total dry biomass and resin up to 10% of total. Guayule bagasse was used to fuel the early processing plants in mexico and unprocessed shrub was used to fuel various processes in the mexican mining industry.
Niaura envisions using the woody material, the bagasse, as a fuel or as a feedstock for cellulosic biofuels. Performance of wet and dry bagasse combustion in assalaya. Physiologic characteristics the results for dry weight, percent rubber and percent resin, iodine value and protein content in the bagasse are shown in table 2. The resin, bagasse, rubber and latex from the guayule can figure 2. That energy can be made from the groundup stems and branches, called bagasse, that are left after their latex has been removed. Parthenium argentatum, waxes, extraction, chemical composition, physicochemical properties, fractionation, spectral analysis abstract. Guayule, on a similar scale, using a combination of water extracted latex energyene process, not bridgestones solvent extraction, which produces a much lower energy content bagasse and pyrolysis piedmont bioproducts process would produce, annually, 2. Guayule rubber has the potential to replace hevea hevea brasiliensis rubber, the most common natural rubber, and synthetic rubber, which is derived from petroleum, in a wide. Compositions of guayule bagasse before and after different pretreatment methods.
Seventy percent of guayule wood fiber and 30% of the hdpe powder were used for the composites. Characterization and evaluation of guayule processing. Energydense liquid fuel intermediates by pyrolysis of guayule parthenium argentatum shrub and bagasse akwasi a. In the processing of guayule parthenium argentatum for bulk rubber production using solvent extraction, two residue streams are produced. Structure of guayulins sesquiterpene esters present in guayule resin. Guayule bagasse would provide 8,000 to 9,000 btu per pound, about the same as charcoal. Resultsanddiscussion from kinana and guenaid sugar companies eljack, mohamed and ibrahim, bagasse ash from kinanaandguenaid a scientific journal of comsats science vision vol. Guayule resins show promise in market applications including adhesives and wood protection, while bagasse is a potential feedstock for industrial sugars suitable for biofuels and chemical precursors, the tire. Fticr ms expands the characterization range of guayule resin compounds.
In addition, threelayered boards c1 consisting of 25% guayule bagasse upper layer, 50% cgb middle layer, and 25% guayule bagasse bottom layer were made. Bridgestones experimental guayule farm in eloy, arizona. Symposium on thermal and catalytic sciences for biofuels and biobased products. Preliminary investigation on the natural durability of. No differences were noted among the total termite surviving days for the six cotton. The bagasse is the fibrous byproduct of sugarcane stalks milled for juice extraction. The firm is also exploring markets for the terpene resins that make up roughly 10% of. The sustainable bioeconomy for arid regions sbar is a multilevel research project that will cultivate two desertdwelling crops, guayule and guar, for a sustainable bioeconomy. An assessment of options for implimentation paperback july 20, 2011. Characterization of various fastpyrolysis biooils by nmr. Us4542191a rubber additives derived from guayule resins and. This study was the second phase of a twophase study to evaluate the properties of composition boards particle boards made from cotton gin waste, specifically cotton burs and sticks cgb, and guayule bagasse gb. Pdf chemical constituents and physical properties of guayule.
Influence of guayule resin as a biobased additive on. A bagasse fired boiler equipped in a sugar mill is. Guayule bagasse has high energy content 2224 mjkg, less moisture 0. Resins have particular promise for use as an adhesive and a tackifier for tires, she. The present paper discusses the isolation, characterization and possible applications of one of the byproducts guayule wax. The fibre is passed through sieves to remove fine particles which may be used as a filter aid later in the process, or as a feedstuff pith bagasse. This sustainable earth by staples composition notebook is 80 percent bagasse, a rapidly renewable resource, making it a great option for supporting sustainable paper production. For guayule, the bagasse consists of the woody stem material left after resin and rubber extraction at the processing facility. Seasonal effects on guayule resin composition journal of.
The upper member includes a snapring which clamps the sheet within an annular boss formed on the lower member. Boards a1 consisting of 100 % cotton gin waste passing through the 6. The yield and composition of the resin extracted from guayule will depend upon the choice. Download citation chemical constituents and physical properties of guayule. In order to enhance the economic viability of guayule as an industrial crop, valueadded use of the residues is needed and has the potential to reduce gross rubber production costs. Niaura envisions using the woody material, the bagasse, as a fuel or. Thus, the guayule wood and bark fibers can be considered a new source of plant biomass that may be used as a direct substitute for forestbased wood fiber. Large quantities of cotton gin byproducts cgb, also known as cotton gin trash or cotton gin waste, are being produced across the cotton belt of the united states annually. All composite boards were pressed on a steamheated hydraulic press at about 160 ec at pressures of between 7. Pdf termite resistance of biobased composition boards. However, little information is available on the chemical composition of the wood and bark tissues of guayule p.
Guayule bagasse has abundant lignin 25 % and low crystallinity 2934 %. The international research group on wood preservation section 4 processes and properties. A bagasse fired boiler equipped in a sugar mill is producing 80 mw of heat steam power at the operating efficiency of 62%. A stabilizing composition and process for guayule type rubbers which can be directly applied to guayuletype plants or shrubs before processing thereof, or to guayuletype rubber miscella, rubberresin miscella, etc. Chemical and morphological characterization of sugarcane. Typical composition of passenger tire adapted 4 be used to make a wide variety of products 1 references. Gasse is the dry pulpy fibrous residue that remains after sugarcane or sorghum stalks are crushed to extract their juice. Guayule composition boards approximately 279by279 mm were made with a specific gravity of 0. The gross calorific value of wet bagasse depends mainly on the water content of the bagasse. The wideruled pages offer plenty of room to write in large, clear letters, while the heavyweight kraft board cover provides durability. Coleseparation of guayule rubberresin extract from guayule bagasse by water addition postextraction. Visual grading of tested specimens revealed all six cotton gin byproduct and guayule bagasse composition boards and the treated mdf showed better ratings than the commercial osb and pine lumber. Guayule, a desert rubber plant arizona daily independent.
Today, bagasse is still being considered as a cogeneration fuel, as well as, a feedstock for gasification, conversion to liquid hydrocarbons, as a source of fermentable sugars, and as a fiber. It is used as a biofuel for the production of heat, energy, and electricity, and in the manufacture of pulp and building materials agave bagasse is a similar material that consists of the tissue of the blue agave after extraction of the. Chemical composition of guayule parthenium argentatum. Termite resistance good for boards made from 100% guayule bagasse. Guayule may also prove to be an economical, environmentally friendly source of yet another prized commodity. Whalenb, katrina cornishc a eastern regional research center, agricultural research service, us department of agriculture, 600 e. Termite resistance of biobased composition boards made. Benefits of guayule rubber in automobile tires figure 1. Boards containing cotton gin byproducts to guayule bagasse ratios of 7525 and 5050 obtained similar termite resistance as the commercial osb. Guayule plant biomass little information is available on the chemical composition. Characterization and evaluation of guayule processing residues as. Abstract commercialization of guayule holds promise not only as an additional source of natural rubber but also for the utilization of its byproducts viz. Guayule rubber gets ready to hit the road april 20, 2015.
Bagasse is a soft, lightbrown, sawdustlike material, says ars chemist colleen m. Besides latex yield, the ars has turned serious attention to the commercial possibilities of guayule resins and bagasse pulp, mcmahan said. The energy independence and security act is calling for the production of 36b gallons per year of biofuels by 2022. A supply of guayule bagasse which was accumulated from experiments dealing with latex extraction in guayule plants was also collected. After being crushed and rolled, it goes to settling tanks where these worms form as the bagasse. Chemical constituents and physical properties of guayule. Potential applications of guayulins to improve feasibility of guayule. Later the worms are dried and go through the rollers to form a cake of rubber. The ncv dry bagasse in assalaya sugar factory resulted as ncv18071. Pdf termite resistance of biobased composition boards made. Guayule resins show promise in market applications including adhesives and wood protection, while bagasse is a potential feedstock for industrial sugars suitable for biofuels and chemical precursors, the tire maker said. Identification of guayule regions in northern mexico. In the factory the guayule shrub is put through various choppers and chrushers while mixed with liquids. Its more and more evident that for guayule to become sustainable, the coproducts must be commercialized, she said.
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