Process flow sheet is a deinking technology that is utilized in the production of newsprint from recycled fibres is well established. Major factors that influence this technology development and process design include: product quality requirements, resource availability, wastepaper characteristics, percent of recycled fibre in furnish and environmental regulations. This sheet provides details on the devices to be used, operating temperatures and pressures at key locations, compositions of flow streams, utilities, feed and product stream details, and other important data.