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IMPROVING DIFFERENT PARAMETERS OF TRANSFORMER OIL …

IMPROVING DIFFERENT PARAMETERS OF TRANSFORMER OIL FROM PAKISTAN NATIONAL REFINERY LIMITED. ... sulphuric acid to remove moisture and easily oxidizable compounds followed by bleaching with earth ...

Preparation and characterization of nano porous bentonite ...

Jan 15, 2015· The adsorption ratio curves presented in Fig. 2 show the effect of residence time on acidification. In order to minimize the residence time the optimum acid concentration was considered and the acid treatment was carried out by diluted solutions, 0.06 and 0.13 mol l −1 in which the maximum adsorption ratios were achieved in the presence of nitric and sulfuric acids, respectively.

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Re-refining of used lube oil, II-by solvent/clay and acid ...

Request PDF on ResearchGate | On Jan 1, 2012, E.A. Emam and others published Re-refining of used lube oil, II-by solvent/clay and acid/clay-percolation processes

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treatment by heat or filtration, followed by either vacuum distillation with hydrogen finishing or clay, ... scale set up for solvent extraction/clay and acid/clay-percolation processes.Also they compared ... on regeneration of used engine oil using industrial bleaching earth and activated carbon as the bleaching agents[21].They found ...

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solvent extraction/clay and acid/claypercolation processes were established to rerefine used oil collected from different sources. A comparison gases. Use of acid could be avoided by treating used oil with natural polymers (Kamal and Khan, 2009). Recently, used oil has been rerefined by thin film distillation under high.

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re refining used oil using bentonite clay. Tonsil Highly Active Bleaching Earths. A lump of this clay, which is called calcium bentonite for short, is depicted at the top of page 6 . In this initial form, the crude clay cannot be used as a bleaching earth, since it contains well over 40% water, and shows no bleaching activity . To produce

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Spent filter clay used in the removal of contaminating organic polar-type compounds from petroleum distillates is regenerated by flushing the spent filter clay with liquid methanol and recovering and recycling the contaminated wash methanol without distillation through the filter for additional flushing of the contaminants from the clay.

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1. in the production of a colorless, odorless and oil-free alkyl aryl sulfonic acid by the sulfonation of an alkyl aryl hydrocarbon produced by the alkylation of an aromatic hydrocarbon by an olefin in the presence of an alkylation catalyst, the improvement which comprises treating said alkyl aryl hydrocarbon having from 10 to 18 carbon atoms in the alkyl chain and containing olefinic and ...

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Optimization of the recycle used oil and its fuel quality characterization . Eyitayo A. AFOLABI *, Abdulsalam S. KOVO, Olalekan, D ADENIYI, Abdulsalam JIBRIN, Ambali S. ABDULKARREM, Bilyaminu SULEIMAM. Department of Chemical Engineering, School of Engineering and Engineering Technology, Federal University of Technology, PMB 65, Gidan Kwano, Minna, Nigeria

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Activated Clay For Waste Oil – Industrial Oil Production ...

Use of bleaching, clays, in processing edible oils - Springer Link. INTRODUCTION. The two types of commercial bleaching clays used in processing edible oils may be characterized as Natural. Bleaching Earth and Activated BleachingEarth. Natural. Bleaching Earth is usually a bentonite clay which exhibits adsorptive properties in its natural state.

Re-refining of Used Lube Oil, II- by Solvent/Clay and Acid ...

for acid/clay-percolation and 0.81 wt% for solvent/clay. In general, a best quality of the re-refined base oil using acid/clay-percolation was obtained and nearly meets the Egyptian standards. On the other hand, a higher yield of about 83% using solvent extraction/clay treatment was achieved.

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