Industrial Production Procedure of Briquettes from Aspen Bark Waste
DOI:
https://doi.org/10.37482/0536-1036-2026-5-141-151Keywords:
bark waste, aspen bark waste, wood briquettes, bark recyclingAbstract
This research focuses on developing the key parameters for aspen bark wood waste (generated during drum debarking) conversion into fuel briquettes, which are in demand on the market. The research object was the fuel briquettes production and the raw materials balance in the production of fuel briquettes from aspen round timber bark waste. The research subject was briquettes made of aspen bark waste. The experimental studies were carried out in actual production conditions with industrial equipment. The criteria for selecting process parameters were the requirements of regulatory documents governing the wood biofuel properties. The manufactured briquettes were tested for their properties by the accredited laboratory equipment. Standard briquettes made of grinding dust produced during the birch plywood processing, as well as briquettes consisting of 50 % aspen bark waste, were manufactured as control products. The requirements for the particle size distribution of wood particles have been determined (based on the literature references) depending on the briquetting technology. The data obtained from the literature analysis have been confirmed by empirical testing. Experiments have shown the effect of the specific molding pressure of aspen bark waste on the resulting briquettes density. The minimum molding pressure required to produce briquettes with the density specified in the regulatory document has been determined. A balance of raw materials has been drawn up to produce fuel briquettes from round timber bark waste, and the main performance indicators to produce briquettes from aspen bark waste have been determined. The higher and lower heating values, as well as the ash content and other properties of briquettes made of aspen bark waste, have been determined. As a result, we have developed a new type of fuel briquette made of aspen bark waste, and determined its properties. The scope of scientific research findings is the effective utilization of bark waste to produce marketable biofuel.
For citation: Bastrikov D.V., Polyanskaya O.A., Tambi A.A. Industrial Production Procedure of Briquettes from Aspen Bark Waste. Lesnoy Zhurnal = Russian Forestry Journal, 2026, no. 5, pp. 141–151. (In Russ.). https://doi.org/10.37482/0536-1036-2026-5-141-151
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