Obtaining “Organic Seeds” of Vegetable and Industrial Plants Using the Aerodynamic Properties of the Seeds

Păun, A.; Stroescu, Gh.; Zaica, A.; Ştefan, Vasilica; Olan, Mihai; Khozamy, Samir Yasbeck

doi:10.35633/inmateh-63-36

Cited by 3 publications

(4 citation statements)

References 7 publications

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“…The results of the theoretical and experimental studies differed by about 10%. It was found that the intensity of the airflow as well as the method and velocity of seed mixture delivery in the separator working zone have the greatest influence on the separation of mixture components [24].…”

Section: Introductionmentioning

confidence: 99%

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Determination of Optimal Technological Parameters for Sorting Wheat Grains in Chambers of Different Constructions

Vaiciukevičius,

Jasinskas,

Jotautienė

et al. 2023

Processes

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In order to extend grain’s storage time and ensure its quality, it is necessary to sort and clean it. The aim of this study was to justify the rational shape of the sorting chamber and the optimal technological parameters for the sorting of wheat grains in airflow. This study used newly designed grain sorting chambers with constant, widening, and narrowing cross-sections for the airflow sorting of “Skagen” wheat grain. The aerodynamic properties of wheat grains were investigated when moisture was at 14 ± 2.0%. The grain flow rate in the chambers varied from 4 to 12 kg min−1 every 2 kg min−1. In addition, the airflow velocity varied from 8 to 12 m s−1 every 1 m s−1. The tilt angle of the constant cross-section camera was increased to 5°. Experimental studies have determined a terminal airflow velocity of 11.53 m s−1 for wheat grains. At the terminal airflow velocity, the grain flight coefficient was obtained to be about 0.074. These studies showed that the narrowing chamber is preferable for lower grain flow rates compared to the constant cross-section of the chamber. The widening chamber requires a lower airflow velocity to achieve the same performance and quality as the other chambers.

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Section: Introductionmentioning

confidence: 99%

“…The grain flow and the airflow velocity do not show a clear trend in the variation of airflow dispersion. [25] The quality of seed separation in this module depends on the uniformity and degree of stability of the airflow velocity in the field working area of the sorting chamber [24].…”

Section: Introductionmentioning

confidence: 99%

Determination of Optimal Technological Parameters for Sorting Wheat Grains in Chambers of Different Constructions

Vaiciukevičius,

Jasinskas,

Jotautienė

et al. 2023

Processes

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“…From the point of view of crop production, soil and environmental health is important [12]. Also the quality of any agricultural crop is determined by the factors that act from the moment of sowing to harvest [18].…”

Section: Introductionmentioning

confidence: 99%

Use of Aquatic Plants Pistia Stratiotes, Eichhornia Crassipes and Salvinia Molesta as Organic Fertilizer in Sustainable Agriculture – Review

MATACHE¹,

VANGHELE²,

PETRE³

et al. 2020

AAMC

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The intensive application of pesticides and chemical fertilizers, in the context of the continuous development of agriculture, has led to a high level of environmental pollution and a serious deterioration in soil fertility. In an attempt to reduce all these negative effects, classical agriculture is moving towards sustainable agriculture. An ecological alternative to the use of chemicals is the application of organic fertilizers. One of the ecological sources is aquatic plants. Often considered invasive due to their rapid development, aquatic plants have a real potential in sustainable agriculture. This review presents the use of aquatic plants pistia stratiotes, eichhornia crassipes and salvinia molesta as organic fertilizer in sustainable agriculture.

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“…The trend of superior capitalization of wine by-products has led to the development of various separation methods that use complex equipment, which includes in their components systems for prepreparation of the seed mixture before the actual separation [5][6][7][8].…”

Section: Introductionmentioning

confidence: 99%

Consideration on superior capitalization of wine by-products

Cristea

Brăcăcescu

Milea

et al. 2020

19th International Scientific Conference Engineering for Rural Development Proceedings

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Following the processing of the grapes to obtain the finished product, a series of by-products and waste can be recovered (bunch, pomace, tartar, etc.), and through their processing, good protection of the environment is also ensured. An increasingly interesting and up-to-date segment is the study and capitalization of wine by-products, due to the fact that the wine by-products (pomace, grape seeds) have a complex biochemical composition, being noted for their content in mineral elements, fibre, vitamin C and phenolic compounds (tannins, phenolic acids, anthocyanins and resveratrol).The complex capitalization of wine byproducts is determined by their high weight (between 18-20 % of the quantity of grapes processed, and the byproduct with the highest weight is pomace), also of the substances they contain, being useful to different industries (food, cosmetic, pharmaceutical, etc.). The paper presents an analysis of representative technologies for the superior capitalisation of the wine by-products and of the technical equipment underlying them, together with some relevant theoretical aspects regarding the separation process of grape seeds that were the basis for design and realization of the technical equipment for separating grape seeds from pomace ESSS. This equipment performs the separation of the fractions by combining the principle of separation on flat sieves with oscillatory movement by thickness, with the separation in air flows according to the floating velocity of the fractions, ensuring a high purity of grape seeds for further processing. Also, in the feeding process the material is subjected to a process of crushing and decompaction thus substantially facilitating the separation of grape seeds from pomace. At the end of the paper, the advantages of using the innovative technology for the recovery of byproducts from viticulture and the technical equipment for separating grape seeds from pomace ESSS are presented.

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Obtaining “Organic Seeds” of Vegetable and Industrial Plants Using the Aerodynamic Properties of the Seeds

Cited by 3 publications

References 7 publications

Determination of Optimal Technological Parameters for Sorting Wheat Grains in Chambers of Different Constructions

Determination of Optimal Technological Parameters for Sorting Wheat Grains in Chambers of Different Constructions

Use of Aquatic Plants Pistia Stratiotes, Eichhornia Crassipes and Salvinia Molesta as Organic Fertilizer in Sustainable Agriculture – Review

Consideration on superior capitalization of wine by-products

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