Possibilities of Using Biomass from Nutshells for Energy Purposes

Bryś, Andrzej; Sokalska, M; Głowacki, Szymon; Tulej, Weronika; Bryś, Joanna; Sojak, M.

doi:10.1007/978-3-030-13888-2_2

Cited by 4 publications

(3 citation statements)

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“…No significant influence of the type of olive stone on the drying process was observed for the examined green and dark olive stones (Figure 1d). The ash content of the green olive seeds (Table 1) under investigation was 2.18% and 2.69% of the black olive, which is a relatively high value compared to cherry pits, which contain about 0.25% ash [8], or to nut shells: peanuts, hazelnuts, walnuts, pistachios, which contained, respectively: 2.00%; 0.74%; 1.38%; 1.42% of ash [9]. The heat of combustion of the tested olive seeds is comparable to other biological materials and was 20.64 kJ/g for green olive seeds and 20.07 kJ/g for dark olive seeds.…”

Section: Resultsmentioning

confidence: 96%

Application of the Calorimetric Methods to the Characteristics of Seeds from Olives

Bryś

Obranović

et al. 2020

The 1st International Electronic Conference on Food Science and Functional Foods

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The olive oil industry represents an important productive sector in the Mediterranean basin countries. Olive stone is an essential by-product generated in the olive oil extraction industries and it represents roughly 10% by weight of the olive fruit. The seeds of pickled olives are also a significant waste product. In the present study, we have investigated the possibility of the use of differential scanning calorimetry for the thermal characterization of seeds from green and black pickled olives from Croatia. The differential scanning calorimeter (DSC) with a normal pressure cell equipped with a cooling system was used to determine the thermal properties of seeds from olives. The following analyses were also performed: the determination of calorific values in a pressure bomb calorimeter, the determination of initial water content, the determination of changes of water content during drying at the temperatures of 30 °C, 50 °C and 80 °C, the determination of a percentage content of seeds mass to the mass of the whole olives, and the determination of ash content. Seeds from olives are characterized by very good parameters as a biomass. The analyzed olive seeds were characterized by low water content, low ash content, and a relatively high caloric value.

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Section: Resultsmentioning

confidence: 96%

Application of the Calorimetric Methods to the Characteristics of Seeds from Olives

Bryś

Obranović

et al. 2020

The 1st International Electronic Conference on Food Science and Functional Foods

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“…The comparison of these properties to the properties of e.g. nut shells (pistachio, hazelnut, walnut, peanut), which have initial water contents (u) of 0.002, 0.158, 0.124 and 0.050 kg H2O/kg d.s., respectively [9], shows that stones of these fruits are worse material for energy purposes. Table 1.…”

Section: Resultsmentioning

confidence: 99%

Analysis of possibilities of using biomass from cherry and morello cherry stones for energy purposes

et al. 2020

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Growing demand for energy and care about natural environment is the motivation to find alternative sources of energy. One of them is biomass from cherry and morello cherry stones, which is food processing industry waste. Stones have fairly good physical properties regarding material for combustion. Cherry and morello cherry crop in Poland is at the level of 200 thousand tons yearly, and processing them generates a considerable amount of waste that consists of stones, which may be used for energy purposes. In the work, the initial water content (u), curves of combustion in different temperatures, percentage ash content, heat of combustion and percentage share of stone in the whole fruit were determined.

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“…[18]. The analysis of the long-term radiation data from many places in European countries confirms over 10-year oscillations of the researched global solar radiation courses [19][20][21]. For Polish cities, they were designated on the basis of many years of research on weather conditions conducted by Institute of Meteorology and Water Management -National Research Institute IMGW-PIB [22].…”

Section: Introductionmentioning

confidence: 96%

Solar parameters of the local climate during the summer in relation to data from typical meteorological year

Rudniak

2019

E3S Web Conf.

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Parameters characterizing the properties of the local climate, among them the solar irradiance, as part of the so-called Typical Meteorological Year – TMY, are often averaged and modeled. To determine the actually available solar conditions, it is beneficial to perform additional studies of climate factors in specific locations. The article presents the analysis of the solar irradiance measurements results for Częstochowa, carried out in June, July and August, in different years, in comparison to data from typical meteorological year for this period. TMY developed in Poland as well as TMY from PVGIS databases were used. Due to the occurrence of significant discrepancies in the values of solar irradiance, in the considered large data sets, it was found necessity to update the currently used TMY PL for Częstochowa, which were determined on the basis of data from the years 1971–1991. The analysis also included local sunshine duration and its summer anomalies. In addition, the dependence of solar conditions on the particulate matter PM10 content in the air, which is rarely considered in the summer, is presented.

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Possibilities of Using Biomass from Nutshells for Energy Purposes

Cited by 4 publications

References 1 publication

Application of the Calorimetric Methods to the Characteristics of Seeds from Olives

Application of the Calorimetric Methods to the Characteristics of Seeds from Olives

Analysis of possibilities of using biomass from cherry and morello cherry stones for energy purposes

Solar parameters of the local climate during the summer in relation to data from typical meteorological year

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