Continuous measurements are made of a characteristic of the individual components of green liquor fed to a slaker and white liquor exiting from the slaker. The liquor component measurements provide a precise characterization of the liquors allowing for a more efficient control of the causticizing...http://www.google.ca/patents/US5822220?utm_source=gb-gplus-sharePatent US5822220 - Process for controlling the efficiency of the causticizing process
