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2 Ecological Engineering & Environmental Technology

2 2023

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Performance Evaluation of Tractor Engine Using Waste Vegetable Oil Biodiesel for Agricultural Purpose

Al-Aseebee Munaf D. F., Akol Alaa M., Naje Ahmed Samir

Ecological Engineering & Environmental Technology

2023

Vol. 24, iss. 2

224--230

Restaurants and food processors that frequently utilize frying oils can provide waste vegetable oil for free or for a small price. To compare the use of OAME to fossil diesel on the performance of the 67 kW Kubota tractor diesel engine, the methyl ester of oleic acid methyl ester (OAME) biodiesel was created from used vegetable oil using the transesterification process. The OAME gasoline was used straight up. The engine’s performance parameters and key indications, such as the indicated torque, brake torque, indicated power, fuel consumption of the braking force brake (BSFC), and exhaust gas emissions, were determined. The choice of a certain biofuel made from a specific source is primarily based on its economic viability and availability where it is utilized.

Effect of Depletion Levels of Available Water and Phosphate Fertilization on Water Consumption and Yield of Lettuce

Akol Alaa M., Hamed Mayada S.

Ecological Engineering & Environmental Technology

2023

Vol. 24, iss. 2

131--137

A field experiment was conducted with the aim of knowing the effect of different depletion levels of ready water and different levels of phosphate fertilization on the water consumption of lettuce crop, yield coefficient and some characteristics of lettuce plant. The results showed that the highest water consumption was 386.8 mm at the 30% depletion level, and the lowest water consumption at the 80% depletion, reaching 292.8 mm. As for the phosphate fertilization, it had a very small effect on the water consumption. The beginning of growth and then increased in the average age of the plant to decline in the stage of maturity. It is also noted from the results that the different levels of depletion clearly affected the characteristics of the studied plant, as it reached the highest yield at the depletion level of 30% at 36.9 ton·h-1, while the lowest yield was at the depletion rate of 80% at 27.1 ton·h-1. As for the phosphate fertilization, it was huh. The other as a factor influencing significantly on the yield traits, as it gave the phosphate fertilization to zero level 32.8 ton·h-1 for the traits in a row, and the values were higher than them for the level of fertilization, while the phosphate fertilization level gave the highest value for the plant yield.