Design Of Sugar Bagasse Waste Products Anaerobic Design Process
DESIGN OF SUGAR BAGASSE FEEDSTOCK PROJECT
Sustainability is the core need of today’s world. Resources need to be conserved so that the future of the incoming generation can be secured. This can be done only by the sustainable use of resources. Energy is the precious resource and it needs to be conserved but the energy resources we are having are mostly non-conserved and non-renewable so alternative ways must be adopted. One of the cheapest and renewable energy sources is Biogas. Biogas is the natural biochemical gas that can be easily obtained by the organic waste material which undergoes anaerobic digestion. Sugarcane bagasse is one of the waste organic material which can be used to produce biogas by the anaerobic digestion process.
CHEMICAL MAKEUP OF SUGAR BAGASSE WASTE
Agricultural plays a vital role in the country’s development because 50% of GDP comes from the agricultural area. With the increase in this area, the waste produced by this industry is also increasing and it is not well managed by anyone till now. Million and trillions of agro waste are produced every year. Sugarcane bagasse is one of them. Sugarcane bagasse is the organic agro waste material. Around 32% of bagasse produced by a ton of sugarcane. Statistic by Food and Agricultural Organization, around 100000 metric ton of sugarcane is produced every year. One metric ton of sugarcane produced around 270% to 280 kg of bagasse. It is a byproduct that includes fibers that are left behind after the extraction of sugar from sugarcane. The industries usually burn this bagasse and no useful product is obtained by them.
The composition of bagasse depends upon the sugarcane varieties, harvesting techniques, and the most important the technology used to determine its composition. Sugarcane bagasse consists of two parts which are called pith and rind. The inner part of bagasse is termed as pith which is almost 30% to 40% while the outer part is termed as rind. Chemically bagasse is the mixture of fibers, cellulose, polyposis, and enzymes. It also includes a minor amount of mineral substance and extracts. It composed of the biomass the cell wall of which contains lignocellulose which further consists of hemicellulose and lignin. The sugars that are present are linked with the long-chain called polysaccharide and it forms the structure of plant cells. The cellulose consists of thousands of strands. These strands are then covered in hemicellulose and lignin.
The sugarcane composition is as follows:
|Water||65% to 75%|
|Sugar||11% to 18%|
|Fibers||8% to 14%|
|Soluble solids||12% to 23%|
|Composition||Percentage by weight|
The chemical composition of sugarcane bagasse shows that it can be an excellent source to produce methane and ethanol. Initially, it was used for heating purpose and it was supplied to ethanol industries. Farmer used to leave the dry portion to decompose which lead to the emission of greenhouse gases and it was playing its part in the environmental pollution that is why the more sustainable ways are developed and the generation of biogas from this biomass is one of them.
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