, Volume 48, Issue 5, pp 409-413

Regeneration of used shell tellus t-32 hydraulic oil

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The process of regeneration of used Shell Tellus T-32 hydraulic oil is studied for selection of adsorbents and purification methods. A combined purification method is proposed: contact purification at room temperature for 10 h using a carbamide-modified basalt fiber, followed by percolation purification using unmodified basalt fiber as the adsorbent. After the percolation purification, the oil can be purified further on a filter having three layers: polypropylene fiber, spherical cinder, and iron oxyhydroxide in a 1.65:1 ratio, and polypropylene fiber.

Translated from Khimiya i Tekhnologiya Topliv i Masel, No. 5, pp. 49-52, September-October, 2012.