Abstract
Complex and deep processing of wood raw materials to produce products with high added value while reducing the amount of waste is one of the urgent tasks of the modern pulp and paper industry. The search for economically profitable, but at the same time resource-, energy-saving and environmentally friendly technologies for processing wood raw materials in the modern world is becoming the most important means of ensuring the sustainable development of the industry. An alternative innovative method for the production of high-yield fibrous semi-finished products is the production of an extrusion chemical-thermomechanical mass as a result of low-temperature (90 °C) at atmospheric pressure alkaline delignification of hardwood. The liquor obtained in the process of delignification is a complex complex of mineral compounds and products of destruction of lignin, polysaccharides, extractives and products of their.
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