found: Work cat.: Weiner, J. Deinking of paper, 1961.
found: Progress in paper recycling, Aug. 1998:p. 28 (Current deinking technology generally includes various combinations of flotation and washing stages to remove inks and contaminants from pulp suspensions)
found: Biotechnology techniques, Jan. 1999:p. 49 (One of the most important treatments for the recycling of waste papers is de-inking which requires both pulping and floatation. Sodium hydroxide and surfactants are typically used in the conventional de-inking process)
found: Siemens Pulp and Paper Technologies WWW homepage, Apr. 30, 2010:de-inked pulp (De-inking is a chemical and physical process for removing printing ink fillers and other pigments contained in recycled paper and simultaneously increasing the brightness of the waste paper stock. The process involves the use of various chemicals and flotation techniques)
found: Wikipedia, Apr. 30, 2010(Deinking is the industrial process of removing printing ink from paperfibers of recycled paper to make deinked pulp)
