Metso's delivery will include the design and supply of the main equipment for the new fiberline, from cooking to bleaching. The batch cooking plant is to be designed according to the prehydrolysis process and TwinRoll wash presses will be used in all washing positions.
The equipment to be supplied, together with Metso's experience and know-how of this type of special pulp, will enable Sappi to produce high-quality chemical cellulose pulp for the growing market.
The new fiberline will produce around 215,000 a.d. metric tpy of chemical cellulose hardwood pulp per year. In addition to the cooking plant and fiberline, which will be new, Metso will also supply equipment for the upgrade of wood handling, evaporation, and recausticizing, as well as a new ash leaching system.
Sappi currently is the world's largest producer of chemical cellulose with a production capacity of some 815,000 a.d. metric tpy from the Saiccor mill. The Ngodwana mill, located in the Mpumalanga province of South Africa, will convert all of its market pulp production to chemical cellulose
TAPPI
http://www.tappi.org/