Essay On Rubber Industry

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Recommended: Agricultural Pollution Issues

The natural rubber industry products have a large demand globally for their various uses in different applications. Rubber is used to manufacture products in every field, from automobile parts, medical devices, plumbing, electrical, stationary, etc. India is ranked third in the world producers of natural rubber [4]. In the Dakshina Kannada region of Karnataka agriculture is one of the main occupations of the locals. Rubber, Arecanut, Paddy, Coconut, etc., are commonly grown in this region of which the rubber industry is the most polluting. The rubber industry pollutes through the wastewater generated during manufacture and also air emissions depending on the drying process adopted. The rubber industry is vast as it consists of farms, estates and factories, and hence farms and estates do not come under the jurisdiction of the Pollution Control Boards. The farms and estates come under the agriculture sector and pollution control norms cannot be enforced upon the farmers. Hence an economic treatment method needs to be adopted to ensure pollution control at the farms along with benefits of their investment.

1.2. RUBBER INDUSTRY:
Natural Rubber latex is a milky white liquid obtained from the rubber tree (Hevea brasiliensis) The rubber tree grows in tropical climates with moderate rainfall and has an economic lifespan of about 25 years [1]. It starts yielding latex after it is around 7 years old and each tree produces about 600ml of latex per tapping. Tapping of a tree is done on alternate days so as to reduce the strain on the tree and ensure longer economic lifespan of the tree. The latex is tapped by fracturing the bark of the tree, after which the latex flows out into containers below the fractured area. Skilled labour is required ...

... middle of paper ...

... normality of FAS.
W is the weight of sample taken.
Total Nitrogen (Kjeldahl method):
1gm of powdered sample is taken in a Kjeldhal digestion flask and 5ml of NaOH solution, 1gram of Davardas alloy is added. In another flask 2% of 20ml boric acid is prepared and kept below the Kjeldhal flask. The mixture is digested in fume chamber for about 2 hours till the sample from the Kjeldhal flask condenses and approximately 200ml of distillate is collected in the boric acid beaker. The contents are then diluted with distilled water up to the mark in a standard volumetric flask. The distillate (25ml) is then titrated with 0.02N HCl using methyl orange indicator till the color changes from yellow to orange red and the burette reading is noted down.
% Nitrogen=█(a×N×14×100 )/(W×1000)
Where,
a is the titre value
N is the normality of HCL
W is the weight of sample taken

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