used engine oil deoderazing and bleaching process pdf

Used engine oil deoderazing and bleaching process pdf

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Published: 25.04.2021

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CN106635376A - Lubricating oil decolouring treatment method - Google Patents

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This invention relates to an improved process for re-refining hydrocarbon oils. More specifically, this invention relates to a solvent refining process for reclaiming used lubricating oils. Still more specifically, this invention relates to a process for preparing quality lubricating oils from used waste lubricating and crankcase oils. Shortages of petroleum have renewed attention to developing methods for conserving dwindling world supplies of crude oil until science and technology can close the gap with stimulated production, alternative energy sources and more efficient energy utilization. One approach to this problem has been to encourage better utilization of present supplies, which includes an estimated 1 billion gallons of used lubricating oil that is drained, dumped or burned each year in this country. These oils have generally been used as engine crankcase lubricants, transmission and gear oils and the like.

The invention relates to the field of oil product decolourization, in particular to a lubricating oil decolouring treatment method. The lubricating oil decolouring treatment method comprises the following steps of 1 providing a decolouring agent; providing lubricating oil which is not subjected to decolouring treatment; 2 performing impurity removal treatment on the lubricating oil which is not subjected to decolouring treatment; 3 adding the decolouring agent into the solution treated in the step 2 ; 4 separating the decolouring agent from the solution to obtain the decoloured lubricating oil. The lubricating oil decolouring treatment method provided by the invention has the advantages that convenience and high speed are realized; the requirements on the consumption of the decolouring agents, the decolouring treatment temperature, the decolouring treatment time and the stirring speed are not high; in addition, after the treatment by the lubricating oil decolouring treatment method provided by the invention, the decolouring rate of the lubricating oil is higher; in addition, the acid value cannot rise. Lubricating oil decoloration treatment method Technical field. The present invention relates to oil product decolouring field, and in particular to a kind of lubricating oil decoloration treatment method. As the lubricating oil consumption figure in the whole world increases, increasing waste lubricating oil is accordingly also caused to produce.

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Canola was developed from rapeseed using traditional plant-breeding techniques. Glucosinolate in rapeseed meal seed residue after oil extraction was detrimental to poultry, swine and ruminants. Hydrolysis of glucosinolates produced isothiocyanates and other sulphur-containing compounds, which interfere with iodine uptake by the thyroid gland, contribute to liver disease and reduce animal growth and weight gain. The economic viability of oilseed processing operations depends on the utilization of oilseed meal as animal feed. Erucic acid and glucosinolate content of the seeds had to be reduced for rapeseed meal to be used as animal feed.


has been used as a recycling method for used engine oil for a long time. The oil must have the ability to flow into the oil pump and then be.


CN106635376A - Lubricating oil decolouring treatment method - Google Patents

The bleaching of edible oils and fats is a part of the refining process of crude oils and fats, which removes contaminants that adversely impact the appearance and performance of these triglyceride triacylglycerol -based materials. Typically, edible oils and fats, ranging from soybean and palm oils to edible lard and beef tallow, are extracted together with impurities in various quantities. Many of these impurities have to be removed from the oil to achieve the high quality oil standards necessary for edible applications.

3 comments

  • Melquisedec E. 28.04.2021 at 08:16

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  • Erin C. 30.04.2021 at 14:29

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  • Sponazdoder 30.04.2021 at 18:40

    Inventor after : Lu Yongsheng.

    Reply

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