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Bottom ash (BA) is waste categorized as B3 and requires special handling and costs. BA become as an interesting issue since the coal using increase in various industries as a fuel. In another case, municipal solid waste (MSW) generation become the environmental problem in the urban area. This paper aims to utilize these two wastes to products and solution of environmental problems as well. The method used in this study is briquetting from BA and fermented of MSW called Biomassed Coal Fermented (BCF) briquettes. The formulations used 60% BA and 40% MSW. The BCF briquettes were tested in boiler 1 which fixed bed type at the kind textile industry. The results showed that with 10% substitution of BCF briquettes for coal use, combustion efficiency increased by 48%. The measurements of air emissions showed a value below of the air quality standard for particulate, SO2, and NO2. When compared with boiler 2 which is without substitution (100% using coal) the particulates and NO2 increased 28% and 2% respectively then SO2 decreased 67%. This interim trial showed the potential of BCF briquettes can be an alternative fuel while reducing the generation of BA and MSW.