September 10, 2025Jurnal Rekayasa MesinOpen Access

Synthesis and Characterisation of Biolubricants Castor Oil (Ricinus communis L.) Using a Homogeneous Catalyst for Hydraulic Engine Applications

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Discussion

This research demonstrates the production of biolubricants from castor oil using NaOH, highlighting viscosity control and sustainability.

The highest kinematic viscosity achieved was 28.9 mm²/s, indicating the biolubricant's optimal performance properties.
An esterification method produced biolubricants with 80% yield using 2% NaOH catalyst under specific conditions.
Castor oil-based biolubricants met ISO VG 32 standards for hydraulic applications, suggesting industrial applicability.
Challenges such as long-term stability and scalability remain, emphasizing the need for further research.

Suherman et al. (2025) studied this question.

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