| Summary: | This article focuses on the use and disposal of biochar waste from residual and waste biomass. Traditional use of this substance is its addition to arable land to improve its quality. The basic biochar component is a chemically stable carbon, which binds nutrients and other important substances to plant growth.
Positive effects on arable land have been sufficiently demonstrated, unfortunately amount of waste biochar is larger than what can be used in this way. That is why new opportunities need to be searched for. The area in which its use can be found is also building constructions. Recent research already underway focused on the addition of biochar to bricks and use as a plaster.
This paper explores further use of adding burnt fermentation residues to the cement composite. Cement is one of the most important materials in the construction industry, mainly used for concrete production. We live at a time when raw materials begin to vanish and need to be substituted, and at the same time that waste accumulates. That is why in the building constructions it is necessary to look for new ways. The use of high-temperature and fluid ash is already known to replace part of the cement. Using biochar may be another option.
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