Question

The height of chimney required for effective disposal of 27 kg/hr of so2 emission

Answer 1

Stack Height CalculationStack height is calculated using following formulaH = 14 (Q)

0.3

H is height of ChimneyQ = Quantity of fuel (kg/hr) x sulphur content (%) x 2100The sulphur content in the bagasse is negligible (around 0.1 %) ascompared to Indian coal (maximum considered of 0.5%). Therefore thestack height will be calculated on the basis of coal.Coal will be mainly used in the off-season operation. Maximumquantity of coal that will be burned is 18.8 TPH.H = 14 (18800 x 0.5 x 2)

0.3

100= 67.4 metersThere fore the height of the stack will be 70 meters

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Answer 2

The height of chimney required for effective disposal of 27 kg/hr of so2 emission should be 100m.

• The emissions cause pollution.
• Nowadays, industries are damaging the environment and all living organisms.
• There are many protocols formed for the construction of chimneys.
• Everyone should follow the protocol for the construction of chimneys.
• The minimum height of the chimney is 1.26H.
• Sulfur oxide is very dangerous to all kinds of activities.
• It is used in many industries for making many products.
• For the beneficial purpose, they create, but it causes enormous pollution.
• It is used for making fertilizers and lead-acid batteries.
• It causes much damage to the environment and destroys all the monuments.
• The limited amount of sulfur in the atmosphere can cycle the process.

Minimum Height of chimney, h = 14 (Qs)1/3

h1/h2= (Qs1/Qs2)1/3

Qs2= 2Qs1

H/h2= (1/2) 1/3

h2= 1.26H

Therefore, the height of chimney required for effective disposal of 27 kg/hr of so2 emission should be 100m.

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