The analysis assumes a 8.1 million British thermal units per hour (MMBTU/hr) average boiler heat load and a retrofit cost of $7,500/MMBTU/hr. Assuming the mine boiler fuel demand was 10 Mcf/hr, total installed capital costs for this abatement measure would be $635,000, which includes $382,000 for the recovery system, $122,000 for boiler retrofit, and an additional 20% in owner's costs and 5% for contingencies.
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Get PriceSulfur and fluorine form a very useful chemical compound as sulfur hexafluoride (SF6). It is an excellent insulation gas, e.g. in medium and high voltage switchgears of electricity grid operators. However, as SF6 works in gas insulated switchgears, it is highly susceptible to one natural enemy: moisture!
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