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Kumar Kash, Vivek
- Study on Opencast Coal Mine Haul Road Dust Suppression using Guargum Grafted Polyacrylamide
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Authors
Affiliations
1 Department of Mining Engineering, IIT (BHU), Varanasi - 221005, Uttar Pradesh,, IN
2 Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi - 221005,
1 Department of Mining Engineering, IIT (BHU), Varanasi - 221005, Uttar Pradesh,, IN
2 Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi - 221005,
Source
Journal of Mines, Metals and Fuels, Vol 70, No 5 (2022), Pagination: 242-250Abstract
Vehicle movement over haul road is the major source of fugitive dust emission from opencast coal mines which adversely affect the environment. Water spraying is the most common practice for controlling fugitive dust generationfrom haul road. In this work, an innovative polymer was synthesised to study its effectiveness as a dust suppressing agent. Guargum grafted polyacrylamide (GG-g-PAM) polymer was synthesised by free radical polymerisation technique using Ceric Ammonium Nitrate (CAN) initiator. Haul road dust sample was collected from a mine and characterised by sieve analysis and Energy Dispersive X-ray (EDX) analysis. An experiment was carried out at controlled environment in the oven to measure the moisture retention in a petri dish. The same experiment was repeated with only water as the dust suppressant to compare with the effectiveness of GG-g-PAM. The experiments showed that application of GG-g-PAM polymer solution instead of only water helps to increas- °C, GG-g-PAM solution has potential for suppression of haul road dust in opencast coal mines effectivelyKeywords
Dust Suppression, Fugitive Dust, Haul Road, Guargum Grafted Polyacrylamide, Moisture Retention and dust emissionReferences
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