| abstract |
A pump with improved wear resistance for use in a gasification system is provided. The pump includes a housing having an inlet and an outlet, and a rotor supported in the housing. The rotor consists of a hub and a plurality of disks spaced by sections of the hub, the plurality of disks defining a plurality of conveying channels for conveying the solid carbonaceous feedstock for the gasification system. The pump defines a feedstock facing inner surface adjacent to the solid carbonaceous feedstock, and at least a portion of the feedstock facing inner surface is coated with a coating applied by ion implantation treatment and penetration treatment or other coating methods. |