Abstract: A method for improving a slag quality of slag in a grate firing system. The method includes providing slag in a grate firing system including a combustion chamber disposed above a combustion bed. The combustion bed has a plurality of fixed-bed burnout zones in series on a combustion grate. The fixed-bed burnout zones include a first series of fixed-bed burnout zones and a second fixed bed burn-out zone disposed downstream of the first series. The first series of fixed-bed burnout zones is traversed with a flow of oxygen-containing gas. A portion of the combustion bed associated with the second fixed bed burn-out zone is traversed with a flow of a hot combustion gas from the combustion chamber.

Abstract: A method for improving a slag quality of slag in, a grate firing system. The method includes providing slag in a grate firing system including a combustion chamber disposed above a combustion bed. The combustion bed has a plurality of fixed-bed burnout zones in series on a combustion grate. The fixed-bed burnout zones include a first series of fixed-bed burnout zones and a second fixed bed burn-out zone disposed downstream of the first series. The first series of fixed-bed burnout zones is traversed with a flow of oxygen-containing gas. A portion of the combustion bed associated with the second fixed bed burn-out zone is traversed with a flow of a hot combustion gas from the combustion chamber.

Abstract: Process for the continuous monitoring of waste gas from an incinerator plant, which contains volatile mercury halides and optionally metallic mercury in the form of vapor, with respect to the entire mercury content, of the waste gas taking a continuous test gas stream from the waste gas, cooling the test gas stream to form a condensate which contains a reducing agent, continuously passing the test gas stream into contact with the condensate to reduce the mercury halides contained in the test gas stream to metallic mercury by the reducing agent contained in the condensate, and subsequently determining the entire metallic mercury content by analysis of the test gas stream.