Abstract
This paper presents the possibility of the energetic utilization of biowaste in the form of lignified one-year shoots from the cultivation of grapevines of the Seyval Blanc (WSBL), Solaris (WSOL), Regent (WREG) and Rondo (WRON) varieties, grown in temperate climate zones. A technical analysis, an elemental analysis and the determination of the highest heat value and lowest heat value were performed to define the quality parameters of waste as fuel. In addition, the emission factors of SO2, NOx, CO, CO2 and dust were estimated to demonstrate the impact of potential biowaste from combustion. Based on the stoichiometric equations, the exhaust gas composition, the theoretical oxygen demand and the total flue gas volume were evaluated. The study showed that the material with the highest energy potential was WREG (LHV-16.19 MJ·kg−1), with an ash content of 3.68%, while the lowest potential was found for WRON (LHV-15.88 MJ·kg−1), with an ash content of 4.21%. The study showed that the use of the studied viticulture waste instead of hard coal could reduce CO emissions by 26–27%, CO2 by 24–26%, NOx by 55–56%, SO2 by 96–97% and dust by 77–80%.
Highlights
Grapevine is a species of great economic importance and is very widespread globally, its cultivated area in 2018 amounted to 7.4 million ha [1]
Hibernal, Regent, and Solaris varieties are grown in Germany, while Malverina, Savilon, and Laurot are grown in the Czech Republic [9]
The experimental material consisted of one-year-old woody shoots, so-called phloem, taken in spring 2020 from four grapevine varieties, Seyval Blanc (WSBL), Solaris (WSOL), Regent (WREG) and Rondo (WRON), commonly grown in Poland
Summary
Grapevine is a species of great economic importance and is very widespread globally, its cultivated area in 2018 amounted to 7.4 million ha [1]. In Poland, grapevine is of little economic importance; the grapes and wines produced there are of very good quality [2,3,4,5,6]. Botanical species of Vitis vinifera L. include PIWI varieties (from the German “pilzwiderstandsfähige rebsorten”—vine varieties resistant to fungal diseases) often cultivated in Northern European countries [8,9]. According to Sinoquet [10], the 10 most prevalent PIWI group varieties grown in Switzerland in the 2015/2016 season included: Muscat Bleu, Cabernet
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