/community-hubs/measurement-instrumentation/b/level-weblog/posts/successfully-applying-non-contacting-radar-in-black-liquor-mixing-tanks-15370604In the Kraft pulping process, wood fibers are separated, and resinous materials removed, using an alkaline (typically sodium hydroxide and sodium sulfide) cooking liquor, also known as white liquor. This process converts wood into cellulosic pulp useden-USTelligent Community 13