Environment-friendly hydraulic fluids - Miscibility and compatibility with mineral oils

被引：0
|
作者：
Theissen, H. [1 ]
机构：
[1] RWTH Aachen, Institut für Fluidtechnische Antriebe und Steuerungen (IFAS), 52074 Aachen, Germany
来源：
Tribologie und Schmierungstechnik | 2011年 / 58卷 / 06期
关键词：
Biofuels - Hydraulic equipment - Hydraulic fluids - Hydraulic machinery - ISO Standards - Minerals;
D O I：
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学科分类号：
摘要：
One of the most critical factors when using biodegradable hydraulic fluids is the risk of mixing with mineral oils. A contamination even with few percent will deteriorate the technical properties of the bio-oils. The effects vary considerably between different combinations of bio-oils and mineral oils. Some examples are presented here. Clean work execution is essential for conversion of hydraulic equipment from mineral oil to bio-oil and for maintenance. Hydraulic systems must be flushed with bio-oil during conversion to remove mineral oil from inaccessible areas and to comply with the 2 % maximum contamination demanded by the ISO standard. A general work instruction is available from the internet.
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页码：42 / 46
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