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A STUDY ON THE APPLICATION OF FILTER-AIDS IN ZDDP FILTRATION

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Author(s): Mehrdad Mehrabi | Sasan Sadraei Nouri

Journal: Petroleum and Coal
ISSN 1337-7027

Volume: 47;
Issue: 1;
Start page: 5;
Date: 2005;
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Keywords: filter-aid | filtration system | laboratory filter

ABSTRACT
ZDDP(Zinc dialkyldithiophosphate) is used in engine oil as an anti-corrosion, anti-oxidant and anti-erosion. Using of filter-aids in ZDDP filtration process is very important.In this project 19 different filter-aids (17 kinds are Iran made and the remain belong to the foreign producer) have been applied and their performance specified. These experiments were accomplished in a 2 liters stainless steel jacketed laboratory filter, and optimum amount of filter-aid and solvent (heptane) were ob-tained. Also operating pressure for various type of feed (ZDDP) and base-oil ( SAE-10 and SAE-30) have been achieved. All experiments were run at 80°c and filter-aids consumed as Precoat and Body feed.All conclusions were based on Filtrate Volume-Time curves.
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