Valorization of sunflower husk after seeds convection drying for solid fuel production

Matin, Ana; Majdak, Tugomir; Krička, Tajana; Grubor, Mateja

doi:10.5513/jcea01/20.1.2018

Cited by 9 publications

(4 citation statements)

References 16 publications

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“…In particular, sunflower cake could be used as feedstock for anaerobic digestion, when considering its C/N ratio over 10 [88], for biofuel production in co-pyrolysis [90] or for the production of biomaterials through extrusion process [91]. Sunflower stalks can be used for bio-ethanol and biogas production [92,93] and seed hulls are suitable for energy production in co-firing [94,95]. On the contrary, the sunflower cake did not exhibit interesting characteristics for animal feeding [96,97].…”

Section: Sunflower Main Featuresmentioning

confidence: 99%

Herbaceous Oil Crops, a Review on Mechanical Harvesting State of the Art

2020

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The sustainable production of renewable energy is a key topic on the European community’s agenda in the next decades. The use of residuals from agriculture could not be enough to meet the growing demand for energy, and the contribution of vegetable oil to biodiesel production may be important. Moreover, vegetable oil can surrogate petroleum products in many cases, as in cosmetics, biopolymers, or lubricants production. However, the cultivation of oil crops for the mere production of industrial oil would arise concerns on competition for land use between food and non-food crops. Additionally, the economic sustainability is not always guaranteed, since the mechanical harvesting, in some cases, is still far from acceptable. Therefore, it is difficult to plan the future strategy on bioproducts production from oil crops if the actual feasibility to harvest the seeds is still almost unknown. With the present review, the authors aim to provide a comprehensive overview on the state of the art of mechanical harvesting in seven herbaceous oil crops, namely: sunflower (Heliantus annuus L.), canola (Brassica napus L.), cardoon (Cynara cardunculus L.), camelina (Camelina sativa (L.) Crantz), safflower (Carthamus tinctorius L.), crambe (Crambe abyssinica R. E. Fr.), and castor bean (Ricinus communis L.). The review underlines that the mechanical harvesting of sunflower, canola and cardoon seeds is performed relying on specific devices that perform effectively with a minimum seed loss. Crambe and safflower seeds can be harvested through a combine harvester equipped with a header for cereals. On the other hand, camelina and castor crops still lack the reliable implementation on combine harvesters. Some attempts have been performed to harvest camelina and castor while using a cereal header and a maize header, respectively, but the actual effectiveness of both strategies is still unknown.

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Section: Sunflower Main Featuresmentioning

confidence: 99%

Herbaceous Oil Crops, a Review on Mechanical Harvesting State of the Art

2020

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“…Characterization of these components in a given biomass is crucial for determining the biomass processing approach (Antonović et al, 2016) and for understanding the reaction mechanism in biofuel production. Agricultural biomass as a part of lignocellulosic biomass has significant energy potential as it is residue that is produced after agricultural production and is available at relatively low prices (straw, corn husks, stalks, hulls, seeds) (Matin et. al, 2019).…”

Section: Introductionmentioning

confidence: 99%

Energy properties of agricultural biomass after the pyrolysis

Matin¹,

Krička²,

Grubor³

et al. 2023

J Proc Ener Agri

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At the beginning and during the development of civilization, natural sources were the only available source of energy. With the development of society and industry, they were replaced by intensive use of fossil fuels. Non-renewability and negative impact on the environment called into question the rationality of using such sources. Therefore, natural sources of energy are becoming more and more important, especially biomass, which is becoming an important source of energy due to its ecological advantages. There are numerous ways to convert agricultural biomass into different forms of biofuel. Thermochemical conversion includes a process of pyrolysis in which, under the influence of a high temperature of 400 to 600 °C without the presence of oxygen, very valuable products are obtained in the form of biochar. The aim of this research is to evaluate the energy properties of agricultural biomass (corn, wheat, barley, oats, triticale, rye, soybeans, rapeseed and sunflower) by thermochemical conversion by pyrolysis and analysis of biochar for the evaluation of value-added products and to suggest its application. The mentioned raw materials are characterized by significant pyrolytic conversion potential, i.e. biochar production ranged from 30.03% to 47.0%. Similarly, the heating value (HHV) of biochar after the pyrolysis process increased to 27.11 MJ/kg, which proves that agricultural biomass is a good source of energy per unit mass.

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“…Shelled sunflower seeds are rich in methionine and cysteine, which make them valuable components of the human diet [17,18]. Regarding sunflower husk pellet, its main technical application is associated with household and industrial energy [19,20]. The economic aspect, i.e., the cost of sunflower husk pellet production, is relatively low compared to the costs related to coal mining or the extraction of oil and natural gas [21].…”

Section: Introductionmentioning

confidence: 99%

Application of Sunflower Husk Pellet as a Reducer in Metallurgical Processes

Matula,

Labaj,

Vadasz

et al. 2023

Materials

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In relation to the climate policy being introduced, the search for a replacement for solid fossil fuels with renewable raw materials is ongoing. In this study, a potential biomass (sunflower husk pellet) application in the process of copper slag reduction was assessed. For the purpose of raw material characterisation, thermogravimetric tests were carried out and characteristic temperature points were determined with the use of a high-temperature microscope. The slag reduction tests led to the recovery of 97% of copper and a decrease in this metal content in the slag to less than 0.5% Cu, which enables safe storage or use in other industrial branches.

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Valorization of sunflower husk after seeds convection drying for solid fuel production

Cited by 9 publications

References 16 publications

Herbaceous Oil Crops, a Review on Mechanical Harvesting State of the Art

Herbaceous Oil Crops, a Review on Mechanical Harvesting State of the Art

Energy properties of agricultural biomass after the pyrolysis

Application of Sunflower Husk Pellet as a Reducer in Metallurgical Processes

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