Analysis of used lube oils pdf

Lubrication and lubricants are the most important aspect for running a machine without giving prematured failure. The used crankcase lubricating oil collected was rerefined using the caustic treatment and vacuum distillation method to obtain a lube oil base stock. A guide to the interpretation of used oil analysis results introduction analysis of samples to determine the condition of both the oil and the machine is not a new concept, but modern, rapid and computerized analysis equipment has made regular routine sampling economically viable. Pdf investigation of used engine oil lubricating performance. Used oil analysis, lubricant condition monitoring, dilution, cluster analysis. Used lube oil is defined as the petroleum derived or synthetic oil which remains after applications in lubrications, cutting purposes, etc. Analysis of used lubricating oil for wear metals, contaminants and additive elements is a valuable diagnostic tool to schedule preventative maintenance of engines and machinery. Turbine oil analysis turbine oils, particularly those used in steam turbines, are expected to last 10 to 20 years. Regular analysis of used lubricant can act as a preventive maintenance tool, by providing customer. Download of all files pdf is free for members, nonmembers have to use the guest status for.

First we made a comparative analysis between the sample taken from a storage tank and a new engine oil produced in the arzew refinery. Extending oil and machine life are two of the primary goals of oil analysis, but analyzing the oil wont make the oil or machine last any longer. Production of liquid fuels from waste lube oils used by. Turbine lubricants must control the rust and corrosion that could destroy precision surfaces, resist foaming and air entrainment, which could impair. Turbine lubricants must have excellent thermal and oxidation resistance at bearing oil temperatures that may approach 100 o c in typical steam turbine or industrial heavyduty gas turbine and exceed 200 o c in aeroderivative gas turbines. Acceptance of this technique as a standard method for the analysis of used oils and lubricants has been slow in coming for several reasons. New turbine oil should not be selected for use solely based on the rpvot value of the new oil. Viscosity measures a lubricant s resistance to flow at temperature. Used oil transporters pick up oil from a variety of facilities, often without knowing the pcb concentration. Experimental regeneration process of used motor oils cder. Investigation of used engine oil lubricating performance through oil analysis and friction and wear measurements. Some jurisdictions now have relevant regulations to prohibit these very profitable but illegal activities. It may also be used as a paint thinner, as a solvent in some types.

Used oil analysis is one of the important, and maybe. The use of quality engine oils combined with appropriate oil and filter change intervals are critical factors in maintaining engine performance and durability. Oil analysis identifies early signs of contamination, fluid degradation and abnormal wear before they cause costly and permanent damage to equipment. Obtain effective oil analysis with precision oil sampling and learn how to get datarich oil samples, where to install oil sampling ports, and what sampling equipment should and shouldnt be used. Lubricant analysis you can choose the analysis that best fits your reliability program. The practice of inservice oil analysis or used oil analysis. Introduction to shell lube analyst understanding the basic tests page 4 of 24 viscosity oil thickness measurement of new and used oils characterise the lubricant as to its grade. When an abnormal condition or parameter is identified through oil analysis, immediate actions can be taken to correct the root. Last issue we blindfolded john and sent him oil analysis data from eight unused lube oils and asked him to comment. Other factors such as the ability of the lubricant. The purpose of an oil analysis program is to verify that a lubricated machine is operating according to expectations. By jeanna van rensselar 17 identifying varnish and oxidation precursors in lubricant sumps keep.

The time on both the oil and the unit and the units of measurement used as well as whether or not there was an oil or filter change can provide an analyst with a much better picture of the results and allow for a more indepth analysis. Stoddard solvent is a petroleum distillate widely used as a dry cleaning solvent and as a general cleaner and degreaser. What different oil analysis test will detect oil analysis important tables oil analysis test caution critical shell limits cleanliness iso 1411 iso 16 no data dryness 200 600 no data tan 0. Generally, lubricating oil used in turbine engines show little change in kinematic. This is a skill that can easily be developed with a minimal investment in training and certification. A lubricant is a vital component in ensuring the proper operability of an equipment through reduction or elimination of wear between rotating members of a machine, and further, facilitate reduction of. Lubricant analysis uses one of the most sophisticated interpretation logic algorithms and most extensive used oil analysis limits database. The lube oil base stock was subjected to physical and chemical analysis to determine its suitability for use as a base stock for formulation of a single grade sae 40. This document discusses the types, causes and counter measures of degradation of large engine lubricants during service. Analysis of lubrication oil contamination by fuel dilution.

The oil samples do not break down, but any long delay between sampling and analysis. The first edition of this brochure was prepared in 1993 and revised in 2007. Today, practically all types of lubricating oil contain at least one. Gas engine oils used for marine and power generation applications. Before the analysis the used engine oil sample was heated to 60 c and stirred to ensure homogeneity of the sample, it was then mixed with. Oil sample testing technology is according to regularly monitor the lube oil or motor oil s physical, and chemical performance, wear metal and contaminant particles knowing the equipment lubricating, and wearing state to diagnose the abrasive wear type, position, and cause.

Additive contaminants results in testing oil analysis. The ability to interpret oil analysis results is crucial for guiding decisions about preventive maintenance activities. Krug abstract group ii and iii base oils are high quality oils containing less than 10% aromatics and less than 300 ppm sulfur as defined by api publication 1509. Preventing and detecting pcb contamination in used oil. Identification of heavy residual oils by gc and gc ms. The rpvot result of the in use lubricant should be compared to the new oil value for that speci. Having someone in your organization who can pick up a report and interpret it in the context of the environment is essential. The same is true if unplanned oil changes are required because of inadequate assessment of the lubricant. Lubricant viscosity decreases dramatically with increasing temperature loglog x relationship viscosity index v. The most notable hindrance is the fact, that much of the data used in assessing engine and lubricant performance. Recycling of waste engine oils using a new washing agent core. The cost of unscheduled maintenance can be high, not only in materials. Print sample labels online or use downloadable pdf label files with.

After a certain period of useful life, the lubricating oil loses its properties and cannot be used as such in machinery. Inservice oil analysis for condition based maintenance 7 the practice of inservice oil analysis or used oil analysis started over a century ago on locomotive engines. Pdf characterization and differentiation of chemical fingerprints. Astutely he picked the cj4 oil out of the bunch, identified the exxonmobil oil by its unique blend of additives, and used price logic to determine the lube oil from walmart. Mnl59 astm international 100 barr harbor drive po box c700 west conshohocken, pa 194282959 printed in the u. Rapeseed oil based chain oils biodegraded more effectively than corresponding tall oil. Other results from the different tests showed varied degrees of improvement with the best results obtained using the acidclay. Production of liquid fuels from waste lube oils used by pyrolysis process wisa manasomboonphan1, suwannee junyapoon1 1 department of chemistry, faculty of science, king mongkuts institute of technology ladkrabang, bangkok 10520, thailand abstract. Premature replacement of the lubricants leads to high running costs. Oil analysis determines when the properties of the lubricant have reached a point at which they are no longer serviceable. We use an independent laboratory for analysis of oils representing a wide range of systems and applications. While monthly routine monitoring may be performed, an annual checkup is highly recommended to confirm that the specific lube oil s physical and chemical properties are still acceptable.

Now it is one of the most important components of condition based maintenance cbm, a practice of assessing a machines condition by periodically gathering data on. Turbine lube analysis programs oil analysis, oil sample. Widely used creosote oil biodegraded in a lesser degree. Recent work has focused on statistical pattern recognition for evaluating the similarity of oils using the above. Gcms application in the structural group analysis of basic lubricant oils. Sample point data that you provide during registration is used to interpret the.

Signum oil analysis simplifies the lubrication monitoring process while producing the. The mismanagement of used oil contaminated with pcbs is a recurring issue faced by epa and states, commercial and municipal used oil collection centers, and recyclers. Oil analysis often called an oil testing, oil analysis monitoring. Oil analysis equipment, oil sample testing, oil sensor. Additives for lubricating oils were used fi rst during the 1920s, and their use has since increased tremendously. The lab will request that you send your oil samples as soon as possible after collecting. Oil analysis is a routine activity for analyzing oil health, oil contamination and machine wear. A comparative study of recycling of used lubrication oils. Lubricating oil analysis according to astm d5185 using the. It is also used to minimize power loss, heat generation, wear and tear of. Multielement analysis of used lubricant oils evaluating an agilent easyfit fully demountable icpoes torch for oil analysis, according to astm d518518 author alejandro amorin agilent technologies, inc. This study, pyrolysis technique is founded from recycling principle of used oil concept from. Part i state of knowledge the terms basic oils and base oils are used interchangeably in many cases, regardless of whether we talk about refined hydrocarbon components obtained from original distillates or about mixtures of several refined distillates.