<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Wood-based ash landfilling is increasing issue not only in Latvia but in the whole world as more biomass is used for energy production. Utilization of wood burning waste as fertilizer is already used worldwide, but there is lack of information about chemical composition of wood ash obtained from Latvia plants, so the aim of this study was to determine chemical composition and analyse possible utilization options of wood-based ash from Latvia plants. Therefore wood ash samples from 53 companies were collected, sieved and chemical composition of samples was determined. It was concluded that within higher capacity of furnace more coarse fraction of wood ash was observed which is less valuable as fertilizer. Wood ash is good liming material consisting alkali compounds and other biogenic elements but also heavy metals, which are pollutants and could cause environmental problems.</p></abstract>

Wood-based ash landfilling is increasing issue not only in Latvia but in the whole world as more biomass is used for energy production. Utilization of wood burning waste as fertilizer is already used worldwide, but there is lack of information about chemical composition of wood ash obtained from Latvia plants, so the aim of this study was to determine chemical composition and analyse possible utilization options of wood-based ash from Latvia plants. Therefore wood ash samples from 53 companies were collected, sieved and chemical composition of samples was determined. It was concluded that within higher capacity of furnace more coarse fraction of wood ash was observed which is less valuable as fertilizer. Wood ash is good liming material consisting alkali compounds and other biogenic elements but also heavy metals, which are pollutants and could cause environmental problems.

The Composition and Use Value of Tree Biomass Ash

Latvia University of Agriculture, 11 Akadēmijas str., Jelgava, LV-3001, Latvia

Latvia State Forest Research Institute “Silava”, Rīgas str. 111, Salaspils, LV-2169, Latvia

Rural Sustainability Research

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"The Composition and Use Value of Tree Biomass Ash"}

Wood-based ash landfilling is increasing issue not only in Latvia but in the whole world as more biomass is used for energy production. Utilization of wood...

The Composition and Use Value of Tree Biomass Ash

Publié en ligne: 19 janv. 2016

Pages: 32 - 37

DOI: https://doi.org/10.1515/plua-2015-0011

Mots clés
wood ash, chemical composition, forest fertilization

© 2015 Modris Okmanis et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

The Composition and Use Value of Tree Biomass Ash

Publié en ligne: 19 janv. 2016

Pages: 32 - 37

DOI: https://doi.org/10.1515/plua-2015-0011

Mots cléswood ash, chemical composition, forest fertilization

© 2015 Modris Okmanis et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Mots clés
wood ash, chemical composition, forest fertilization