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The modification was undertaken to allow co-combustion with up to 20% coal for improved efficiency.
The second project, which could start producing revenue in three years, is "co-combustion" systems to be used in the diesel engines of heavy-goods vehicles.
Cofiring (also referred to as co-firing or co-combustion) is the combustion of two different fuels in the same combustion system.
Biomass co-combustion with pulverised coal in existing boilers offers the possibility for a cleaner and sustainable energy system with lower investment costs.
Our first aim is to measure the output of toxic emissions like heavy metals, chlorine compounds and nitrogen and sulphur oxides during co-combustion.
Vesterinen and Flyktman [1996], in co-combustion of refuse derived fuel and wood chips in a 4 MW bubbling fluid bed boiler, found a clear relationship between fuel chlorine content and dioxin and furan concentrations in the flue gas.
For example, in the case of faecal sludge, it can be treated and then serve as protein (black soldier fly process), fodder, fish food, building materials and biofuels (biogas from anaerobic digestion, incineration or co-combustion of dried sludge, pyrolysis of faecal sludge, biodiesel from faecal sludge).