Procedure and apparatus for the continuous or discontinuous extraction of rich suspensions in solid materials in the decanters (Machine-translation by Google Translate, not legally binding)

摘要

Process for the continuous or discontinuous extraction of suspensions rich in solids, called sludge, in the decanters, characterized in that the bottom of the settler is scratched continuously or discontinuously; A suspension enriched in solid matter, by any known means and among others, is extracted in the wave thus formed in front of the scraping means, by gravity or by suction by means of pumps integral with the scraping means. (Machine-translation by Google Translate, not legally binding)