Influence of Grinding Degree and Screw Rotation Speed on Sunflower Oil Pressing Process

Abdilova, Galiya; Sergibayeva, Zhadra; Orynbekov, Duman; Shamenov, Merey; Zhumadilova, Gulmira; Bakiyeva, Anara; Mukashev, Nurbolat; Bayadilova, Assyl; Dukenbayev, Damir

doi:10.3390/app13179958

Cited by 3 publications

(1 citation statement)

References 23 publications

(14 reference statements)

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“…Many press designs are used in the industry for safflower oil extraction. For oil extraction, it is common to use screw or hydraulic presses in the case of oilseeds such as rapeseed [ 22 ], flax [ 23 ], sesame [ 24 ] sunflower [ 25 , 26 , 27 ], walnuts, pistachio nuts [ 28 , 29 ], and safflower seeds. Generally, screw presses offer some advantages over hydraulic ones, including higher oil yields and the capability for continuous or semi-continuous operation [ 30 , 31 ].…”

Section: Introductionmentioning

confidence: 99%

Optimal Ways of Safflower Oil Production with Improvement of Press Equipment

Kakimov,

Mursalykova,

Gajdzik

et al. 2024

Foods

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This study aims to improve press equipment for safflower oil production by using a mechanism that optimizes pressure distribution within screw turns. A detailed analysis of the main components of the produced safflower oil was performed, encompassing both quantitative and qualitative assessments. Through the exploration of dependencies governing the safflower oil pressing process on the screw press, the optimal parameters were determined. As a result of the research, the optimal diaphragm gap between the gape cylinder and the pressing screw was determined, with the optimal oil yield percentage achieved at ω = 6.2 rad/s and δ = 5 mm. The study also compared the performance of the existing Dream Modern ODM-01 screw press and its upgraded version by analyzing the extracted oil. The results reveal changes in the quantitative and qualitative composition of the main oil components following the operation of the existing and the modernized screw presses. For instance, the amount of unsaturated fatty acids, such as oleic acid (7.7 ± 0.566%), linoleic acid (85.3 ± 1.185%), and linolenic acid (1.2 ± 0.223%), increased. There was an increase in the presence of inorganic substances in safflower oil: iron (0.023 ± 0.031 mg/kg), phosphorus (0.086 ± 0.059 mg/kg), silicium (0.136 ± 0.075 mg/kg), and others. The findings of this study hold significant commercial value and offer promising prospects for global market implementation.

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Section: Introductionmentioning

confidence: 99%

Optimal Ways of Safflower Oil Production with Improvement of Press Equipment

Kakimov,

Mursalykova,

Gajdzik

et al. 2024

Foods

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Physical Modeling of the Process of Centrifugation of Crushed Bovine Bones to Separate Animal Fat and Meat–Bone Slurry

Shayakhmetova,

Kassenov,

Zhumadilova

et al. 2023

Applied Sciences

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This article describes the design of a centrifuge for the separation of fat from meat–bone slurry to produce fat-extracted animal feed. The characteristics of the main components of the equipment and the principle of its operation were presented. The productivity of the centrifuge depending on duration and speed of rotation was determined. Data were provided for different drum speeds (1000, 1500, 2000, 2500 rpm) and centrifugation durations (5, 7, 10 and 15 min), with the yield (output) of defatted slurry measured as a percentage. Among the various conditions tested, the maximum yield of slurry was observed when the drum was rotated at 2000 rpm for 5 min, with a yield of 68.97%, while the lowest yield was observed when the drum was rotated at 1000 rpm for 15 min, with a yield of 55%. On the basis of modeling, a physical model including centrifugal separation with simultaneous centrifugal filtration was presented in the form of a system of differential, algebraic, and criterion equations.

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Development of the Design of Plate with Variable Diameters of Holes and Its Impact on Meat-Grinding Quality and Efficiency

Bakiyeva,

Yerengaliyev,

Kakimov

et al. 2024

Processes

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Meat-grinder plates are critical for efficiently processing meat, significantly influencing the grinding process. This study aimed to develop a meat-grinder plate with variable diameter holes and assess its impact on ground meat quality and processing efficiency. Various meat types (beef, horse meat, mutton, chicken, and pork) were processed using both plate designs: a control plate with a constant hole diameter of 12 mm and a developed plate with featured holes increasing in diameter from periphery to center (8 mm–12 mm–16 mm). The results demonstrate that the developed plate significantly improves the WBC of minced meat, with notable increases in beef (58.3% vs. 57.7%), horse meat (61.8% vs. 56.2%), chicken (51.0% vs. 49.1%), and pork (46.1% vs. 43.6%), indicating a more homogeneous particle size distribution. Yield stress, a critical factor influencing the rheological properties of minced meat, also showed substantial improvements, particularly in poultry (18.9% increase) and pork (31.3% increase). The variable hole design produced a higher proportion of intermediate-sized particles, contributing to a more cohesive texture and potentially enhancing the binding properties of processed meat products. Theoretical calculations based on the Hagen–Poiseuille equation and empirical data confirmed that the new plate design increases the grinder’s productivity by 50%, with average throughput rising from 150 kg/h to 225 kg/h. Additionally, the developed plate reduced power consumption by up to 7.3%, particularly in horse meat processing, highlighting its cost effectiveness for industrial applications. These findings suggest that the variable diameter hole plate design offers substantial improvements in ground meat quality and processing efficiency, with potential implications for industrial meat-processing operations.

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Influence of Grinding Degree and Screw Rotation Speed on Sunflower Oil Pressing Process

Cited by 3 publications

References 23 publications

Optimal Ways of Safflower Oil Production with Improvement of Press Equipment

Optimal Ways of Safflower Oil Production with Improvement of Press Equipment

Physical Modeling of the Process of Centrifugation of Crushed Bovine Bones to Separate Animal Fat and Meat–Bone Slurry

Development of the Design of Plate with Variable Diameters of Holes and Its Impact on Meat-Grinding Quality and Efficiency

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