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IIT Madras working on project that will help reduce stubble burning

Paddy straw is commonly known as ‘stubble’ and is thought to be responsible for spikes in pollution across many Northern cities including Delhi. Stubble burning also causes soil erosion, kills beneficial soil organisms and emits harmful gases such as carbon monoxide, nitrogen oxides, sulphur dioxide and methane along with particulate matter.

, ET Bureau|
Dec 13, 2019, 05.34 PM IST
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New Delhi: Indian Institute of Technology (IIT) Madras, Chennai is collaborating with industry for a project that aims to reduce stubble burning by converting stubble into thermal energy, said the institute in a press release.

Paddy straw is commonly known as ‘stubble’ and is thought to be responsible for spikes in pollution across many Northern cities including Delhi. Stubble burning also causes soil erosion, kills beneficial soil organisms and emits harmful gases such as carbon monoxide, nitrogen oxides, sulphur dioxide and methane along with particulate matter.

NCCRD (National Center for Combustion Research and Development) at IIT-M will work with Sukhbir Agro Energy (SAEL) to conduct research and development.

Punjab and Haryana alone produce 35 million tons of paddy straw per year, which is not fit for cattle feed, and are instead burnt as there is not much economic value that farmers gain from it. Reintegrating into the soil is expensive. The stubble, however has the useful heating value of around 3200 to 3500 K Cal/kg, which is close to the coal used for power generation in thermal power plants.

SAEL is in the process of commissioning two 100% paddy straw-based power plants in Punjab, besides starting two more similar power plants Haryana. These plants are based Danish technology, and need to adapted to Indian conditions.

SAEL will fund the construction of facilties st IIT-M that to research the combustion of paddy straw.

The results will be put to further test in a boiler environment with a facility created, as suggested by IITM, at a centre at one of the power plants of SAEL.

The faculties of IIT Madras and NCCRD, as part of this consortium, will provide the expertise to create the facility and carry out the core research.

Also Read

NITI draws up plan to curb stubble burning

West Bengal Pollution Control Board to install sensors to detect stubble burning

Centre to come out with permanent solution to stubble burning: MoS Agriculture

Stubble burning in UP, Punjab, Haryana reduced by 19% since 2018: Govt

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