Carbohydrate wastes conversion process and apparatus therefor

Abstract From the Canadian patent

There is described a process for pyrolytically converting carbohydrate-containing waste material such as straw waste wood, garbage and manure into useful products such as gaseous and liquid hydrocarbons and alcohols. The process comprises: a) heating a mixture of calcium carbonate and at, least one alkali metal carbonate in a first reaction zone to a temperature in the range of 1200° - 1300°C. whereby the calcium carbonate is converted into CaO and CO2; b) introducing into a second reaction zone a feedstock comprising said carbohydrate-containing waste material in comminuted or pulverized form;, c) simultaneously passing the reaction mixture resulting from said heating of CaCO3 and alkali …