Pitch and deposition problems and handling Dissolved and colloidal substances are released from wood during mechanical refining and grinding, as well as in chemical kraft cooking. One of the most problematic groups is wood extractives, also called wood pitch. These react easily with pulping and bleaching additives and recycled pulp contaminants in addition to the
To access this post, you must purchase All themes or Natural fibre products. Do you already have a membership or are you part of an organization? log in