Production opportunities of biodegradable material from waste of the wood processing industry

S.S. Nazirova, D.S. Bychek, L.R. Asfandiyarova, L.Z. Kasyanova, A.A. Islamutdinova, E.K. Aminova

 Institute of Chemical Technology and Engineering, Ufa State Petroleum Technical University

in Stertitamak, Russian Federation, Republic of Bashkortostan, Sterlitamak, October Av., 2


DOI: 10.33075/2220-5861-2022-2-31-35

UDC 674.816             


   The paper focuses on manufacturing products from biodegradable material based on wood waste and an environmentally friendly binder that cause the least harm to the environment, as well as solve the problem of processing plant waste. It is proposed not to remove the products when transferring plants to the soil, but to plant them in the ground together with them. The technique is considered on the example of the existing technology for the production of peat pots, with the replacement of raw materials. For products, a simple composition is proposed, which includes sawdust and a binder based on sodium silicate.
During the search for a solution, an analysis of various types of raw materials and binding components was carried out, and the optimal binding component of domestic production was selected. The proposed technique was implemented within the experimental batches. The most suitable turned out to be the biodegradable wood-composite material obtained by us based on coniferous and hardwood sawdust in a ratio of 1:1, and a binder based on silicate glue. The material was molded into 0.5- and 1-liter iron molds, dried and ready for planting. After that, tomato sprouts were planted in the experimental pots, seedlings were grown and then planted in open ground along with the product. Further growth of plants in the soil proceeded well. Complete decomposition of the material was observed 60 days after planting in open ground. The decomposition of coniferous and hardwood sawdust, as well as the presence of a binder in the soil allow creating a favorable environment for plant growth without increasing its acidity. It is also worth noting that coniferous sawdust is more suitable for growing plants that prefer an acidic environment, these are tomatoes, cucumbers, etc. The option we proposed is more universal.
During the experiment, the plants did not die, they grew and developed well, which in practice proves the suitability of this product for growing plants, as well as all the stated requirements.
Moreover, the production of both biodegradable materials and household products is a very promising direction.

Keywords: biodegradable material, sawdust, sodium silicate, composite composition, binder.

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