Sulfur-free lignin and its derivatives for reducing the formation of silt and deposits in industrial plants

摘要

(57) relates to a method for reducing deposit formation and silt in industrial plants aqueous process liquid or water is circulated, [Abstract] The present invention, precipitation present in the water, a derivative thereof or a sulfur-free lignin in an amount proportional to the amount of material that causes dirt and deposits, it is added to the system.