Reuse and recycling of by-products of sugar industry: pressmud and bagasse flyash

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Research Paper 01/04/2017
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Reuse and recycling of by-products of sugar industry: pressmud and bagasse flyash

Sana Akhtar, Samita Arub, Hafiza Sadia Ramzan, Muhammad Nawaz Chaudhry, Asim Mahmood, Sajid Rashid Ahmad, Muhammad Ali Khan
J. Bio. Env. Sci.10( 4), 11-18, April 2017.
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Sugar Industries produce a huge chunk of waste which is organic and nutrient rich in nature. Owing to its nutrient enrichment, an effort has been made to suggest the best solutions for the two by-products of sugar industryi.e Press mud and Fly Ash. Out of the four by products of the sugar industry, worst nuisance is bagasse fly ash which adds to the burden of air pollution specifically in agro-based economies.The nutrient values of the press mud and fly ash were analyzed. Six samples of the two byproducts of sugar industry were collected every second month from three sugar industries i.e. two samples from each industry during the cane crushing season i.e. October – March.The samples were analyzed for N, P and K. and to compare their nutrient values with the soil conditioners, six samples of the locally available commercial fertilizers and municipal solid waste compost (3 each) were also collected.Press mud, which is used as a fertilizer,exhibited the average N, P and K valuesin the range of 1-2%. Fly ash on average showed nil Nitrogen and minute percentages of P and K. Thus fly ash was mixed with press mud in different ratios and a ratio of 95:05 was yielded the optimum values of N, P and K to be used as soil conditioner. When compared with therest of the soil conditioners, this mixture was found to be very much cost effective, time saving and of better nutritional value.


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