• Mohammad Siddique

• Suhail Ahmed Soomro

• Aziza Aftab

• Zahid Naeem Qaisrani

• Abdul Sattar Jatoi

• Asadullah

• Ghulamullah Khan

• Ehsanullah Kakar

تلخیص

Appropriate eco-friendly methods to mitigate the problem of emissions from combustion of fossil fuelare highly demanded.The current study wasfocused on the effect of using coal & coal-biomass co-combustion on the gaseous emissions. Different biomass'were used along with coal. Thecoal used waslignite coal and the biomass'were tree waste, cow dung and banana tree leaves. Various ratios of coal and biomass were used to investigate the combustion behavior of coal-biomass blends and their emissions. The study revealed that the ratioof 80:20 of coal (lignite)-cow dung and 100% banana tree leaves emits less emissions of CO, CO2, NOx and SO2as compared to100% coal.Maximum amount of CO emissions were 1510.5 ppm for banana tree waste and minimum amount obtained for lakhra coal and cowdung manure (70:30) of 684.667 ppm. Maximum percentage of SO2(345.33ppm)was released from blend of lakhra coal and tree leaves (90:10) and minimum amount of SO2present in samples is in lakhra coal-banana tree waste (80:20). The maximum amount of NO obtained for banana tree waste were 68 ppm whereas maximum amount of NOx was liberated fromlakhra coal-tree leaves (60:40) and minimum amount fromcow dung manure (30.83 ppm). The study concludes that utilization of biomass with coal could make remedialaction against environment pollution

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