Mustafa, M. Azlan (2023) Pengaruh Variasi Ukuran Partikel Silika Terhadap Porositas, Mikrostruktur Dan Kekuatan Tekan Pada Pellet Proppant. Other thesis, Universitas Islam Riau.

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Abstract

Proppant is a granular material that prevents closure of fractures created after fracture treatment. One of the materials used in making proppant is silica sand. This scientific writing aims to determine the effect of variations in silica particle size on testing the porosity, compressive strength and microstructure of proppant pellets. In this research, selected particle size variations from mesh 40, mesh 60 and mesh 100 were printed with a pressure of 5 tons, bound by polyethylene glycol (PEG) 400 and sintered at a temperature of 1000oC. The results of the porosity test on a mesh particle size of 40, the porosity value obtained was 44.46% with a special category, then on a mesh particle size of 60 the porosity value obtained was 42.98% with a special category and on a mesh particle size of 100 the porosity value obtained was 39.03% in the special category. Overall, the variation in particle size is in accordance with porosity standards. The results of the compressive strength test on a particle size of 100 mesh have the highest compressive strength value of 26.05 MPa compared to the other two samples. This occurs because the particle size of 100 mesh produces less porosity compared to the particle sizes of 40 mesh and 60 mesh. The results of microstructural testing in sample 1 show that there are very many pores, whereas in sample 2 and sample 3 the pores are decreasing. This is because of the influence of particle size in silica pellets. The presence of this porosity affects the compressive strength and porosity value.

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