Processes and systems for using biomineral by-products as a fuel and for NOx removal at coal burning power plants

A process comprising

• mixing organic waste, one or more coal combustion by-products, and one or more alkaline additives to form an organic waste/coal combustion by-products/alkaline additive by-product mixture;
• drying said organic waste/coal combustion by-products/alkaline additive by-product mixture with heat, causing ammonia to be liberated from said organic waste;
• introducing said liberated ammonia into a coal burner of a coal burning power plant;
• and reacting scavenged exhaust gases from the power plant with at least one reactive material comprising Ca(OH)2 so as to decrease the amount of pollutant gases in said exhaust gases.

A process comprising

• mixing organic waste with one or more coal combustion by-products to form an organic waste-coal combustion by-product mixture;
• drying with waste heat from a coal burning power plant the organic waste-coal combustion by-product mixture to at least 50% solids forming a dried organic waste-coal combustion by-product mixture and causing ammonia to be liberated from said organic waste;
• and
• introducing said liberated ammonia into a coal burner of a coal burning power plant.

A process comprising

• mixing organic waste with one or more coal combustion by-products to form an organic waste-coal combustion by-product mixture;
• drying with heat the organic waste-coal combustion by-product mixture to at least 50% solids forming a dried organic waste-coal combustion by-product mixture and causing ammonia to be liberated from said organic waste;
• introducing said liberated ammonia into a coal burner of a coal burning power plant;
• and reacting scavenged exhaust gases from said drying with at least one reactive material to decrease the amount of CO2, SO2 and SO3 in said exhaust gases and thereby decrease emissions from the drying.

A system comprising

• a coal burner of a coal burning power plant;
• a coal feed supplying coal to said coal burner wherein said coal feed comprises coal and a dried mixture of organic waste and coal combustion by-product and said coal and said dried mixture of organic waste and coal combustion by-product are mixed and then pulverized;
• and
• an ammonia feed to said coal burner comprising ammonia liberated from organic waste upon drying a mixture of organic waste and one or more coal combustion by-products.

A system comprising

• a coal burner of a coal burning power plant;
• a coal feed supplying coal and a mixture of organic waste, one or more coal combustion by-products and one or more alkaline additives to said coal burner, wherein said coal and said mixture of organic waste, one or more coal combustion by-products and one or more alkaline additives are mixed and then pulverized;
• and
• an ammonia feed to said coal burner comprising ammonia liberated from organic waste upon mixing organic waste, one or more coal combustion by-products and one or more alkaline additives.