AOD uses a solid prill urea to generate ammonia in lieu of either aqueous or anhydrous ammonia in a conventional SCR system. The first commercial installation of this system has just completed start up and is currently operational on a 565 MW utility boiler in Sandwich, Massachusetts. The pros...
Also, for a great increase in capacity, the heater of the retrofitted hot water boiler can also be turned on. It is difficult to predict how a user will regulate the thermostat or even eventually change its own consumption pattern with such auxiliary controls [32]. More advanced controls ...