{"id":2218,"date":"2017-10-15T15:46:08","date_gmt":"2017-10-15T15:46:08","guid":{"rendered":"http:\/\/oilregeneration.globecore.com\/?p=2218"},"modified":"2017-11-27T07:32:49","modified_gmt":"2017-11-27T07:32:49","slug":"classic-ways-of-used-oil-purification","status":"publish","type":"post","link":"https:\/\/oilregeneration.globecore.com\/classic-ways-of-used-oil-purification","title":{"rendered":"Oil Purification Methods GlobeCore"},"content":{"rendered":"<h2 class=\"r\">Classic Ways of Used Oil Purification<\/h2>\n<p>In today\u2019s industrial environment, all the Used Oil Purification Methods are divided into such groups as:<\/p>\n<ol>\n<li>Physical Used Oil Purification Method;<\/li>\n<li>Chemical Used Oil Purification Method;<\/li>\n<li>Combined Method of Used Oil Purification.<\/li>\n<\/ol>\n<p>A particular purification method is chosen depending on the amount and the degree of the used oil\u2019s contamination. \u00a0If oil is contaminated only with mechanical impurities, then it may be enough to carry out a simple purification. \u00a0But sometimes, oil that is very contaminated should be processed by chemical reagents.<\/p>\n<div id=\"attachment_4358\" style=\"width: 610px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-4358\" class=\"wp-image-4358 size-medium\" title=\"Transformer oil purificaiton\" src=\"https:\/\/oilregeneration.globecore.com\/wp-content\/uploads\/sites\/10\/2017\/03\/Remove-Solid-Particle-600x400.jpg\" alt=\"Transformer oil purificaiton\" width=\"600\" height=\"400\" srcset=\"https:\/\/oilregeneration.globecore.com\/wp-content\/uploads\/sites\/10\/2017\/03\/Remove-Solid-Particle-600x400.jpg 600w, https:\/\/oilregeneration.globecore.com\/wp-content\/uploads\/sites\/10\/2017\/03\/Remove-Solid-Particle-272x182.jpg 272w, https:\/\/oilregeneration.globecore.com\/wp-content\/uploads\/sites\/10\/2017\/03\/Remove-Solid-Particle.jpg 1024w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><p id=\"caption-attachment-4358\" class=\"wp-caption-text\">Transformer oil purificaiton<\/p><\/div>\n<h2 style=\"text-align: center\"><b>Physical Oil Purification Methods<\/b><\/h2>\n<p>Physical methods provide for removing only mechanical impurities such as sand, dust, metallic particles, resinous, and coke-like and carbon materials. \u00a0In this way, the chemical base of the oil being processed remains unchanged.<\/p>\n<p>In practical terms, physical methods such as sedimentation, filtration, centrifugal separation, distillation of fuel and water washing have gained a widespread acceptance in the industry today.<\/p>\n<h3 style=\"text-align: center\"><b>Sedimentation<\/b><\/h3>\n<p>Sedimentation is considered to be the first, and a necessary stage of the purification process. It consists in quiescent sedimentation of mechanical impurities and water that are in a suspended state. \u00a0In this case, gravitational force plays a very essential role. \u00a0According to the Stokes equation, we may say that the greater size and the specific weight of the mechanical particles, the faster the mechanical particles will settle down.<\/p>\n<p>Metallic particles, resinous substances and coke-like materials are more likely to settle down than any other substances. \u00a0It is worth mentioning that the \u00a0used oil sedimentation method does not always lead to the desired effect. \u00a0Sometimes, even when the processing time is increased, the majority of the impurities will remain in a suspension phase. \u00a0This always happens when purifying used diesel and automobile oils that contain dispersing additives \u00a0as well as oils that are contaminated by finely divided additives.<\/p>\n<h3 style=\"text-align: center\"><b>Oil Separation<\/b><\/h3>\n<p>Separation features a centrifugal process. Centrifugal forces exert influence on the heaviest particles that tend to be drawn to the vessel walls thereby forming a circular sedimentary horizon. The second sedimentation layer consists of water when the third one &#8211; of purified oil.<\/p>\n<h3 style=\"text-align: center\">\u00a0<b>Oil Filtration<\/b><\/h3>\n<p>Filtration consists in separating inhomogeneous systems with diffusion barriers. \u00a0They are able to retain some particles and at the same time \u00a0give way to other particles.<\/p>\n<p><iframe loading=\"lazy\" title=\"Power transformer burning will never happen with this technology\" width=\"604\" height=\"340\" src=\"https:\/\/www.youtube.com\/embed\/U_ec026RQIk?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<h3 style=\"text-align: center\"><b>Fuel Distillation<\/b><\/h3>\n<p>Fuel distillation is applied when processing oils from internal combustion engines. \u00a0It is impossible to obtain oil of the necessary viscosity and with the required flash point without fuel distillation. \u00a0The difference between boiling temperatures of oil and fuel is the basis for fuel distillation. \u00a0\u00a0When heating up the used material, the fuel, and then oil, will start to evaporate. \u00a0When oil fractions start evaporating, the heat should be removed.<\/p>\n<h3 style=\"text-align: center\"><b>Water Washing <\/b><\/h3>\n<p>Water washing is applied if oils need to be cleaned from acid products (water-soluble low-molecular acids and soaps). \u00a0Water washing however, will not restore the performance characteristics of oil completely if it has become old and highly contaminated. \u00a0When acids are dissolved, water is separated from oil at 60\u00ba\u0421 in the course of using the separation method.<\/p>\n<h2 style=\"text-align: center\"><b>Physicochemical Used Oil Purification Methods<\/b><\/h2>\n<h3 style=\"text-align: center\"><b>Coagulation<\/b><\/h3>\n<p>Coagulation allows for improvement of used oil filtration as well as removal of impurities that are in a suspension state or have not been removed in the coarse of other physical methods. \u00a0Coagulation is a coalescence of colloid particles. \u00a0This method may be implemented if:<\/p>\n<ol>\n<li>\u00a0to add special agents to oil (electrolyte and non-electrolyte fluids);<\/li>\n<li>\u00a0to perform mechanical effects (blending or shaking);<\/li>\n<li>to heat or to cool the oil;<\/li>\n<li>to pass the electric current;<\/li>\n<li>to use radial energy.<\/li>\n<\/ol>\n<p>In each case, coagulation occurs since the connection between contaminated particles and their dispersed medium become weak.<\/p>\n<p>Substances that cause coagulation are divided into four groups such as:<\/p>\n<ol>\n<li>electrolyte fluids (trisodium phosphate, calcinated water). They create a double electric field on the surface of the particles;<\/li>\n<li>ionic surface agents with active organic cation or anion;<\/li>\n<li>non-ionic surfactants;<\/li>\n<li>Surface-active colloids and hydrophilic high-molecular compounds.<\/li>\n<\/ol>\n<p>The following is a description of a common coagulation procedure. At the first stage, oil is heated up to between 75\u00ba and 90\u00baC and then is blended with a 10% solution of coagulant for between 20 and 30 minutes. \u00a0Then it is allowed to settle down for 2 days. \u00a0Oil is treated on a special equipment after the sediments are removed.<\/p>\n<h3 style=\"text-align: center\"><b>Adsorption<\/b><\/h3>\n<p>Adsorption consists in retaining impurities on the surface of adsorber material. \u00a0The latter is able to retain asphaltic resinous substances such as acid compounds, ethers and other products of aging.<\/p>\n<p>The distinctive feature of this method is that it is easy-to-perform and can be used to purify the majority of the used oils. \u00a0Substances such as silica gel, aluminium oxide, bleaching clays and silica-alumina catalysts may serve as adsorbents.<\/p>\n<p>The majority of them are artificial and very expensive. \u00a0Bleaching clays however, are an exception since they have good adsorption properties and are typically derived from deposits commonly found most everywhere in the Earth.<\/p>\n<h2 style=\"text-align: center\"><b>ChemicalUsed Oil Purification Methods<\/b><\/h2>\n<h3 style=\"text-align: center\"><b>Sulfuric Acid Refining<\/b><\/h3>\n<p>Sulfuric Acid refining is one of the oldest, but still one of the most <em>effecive methods of oil purification<\/em>. \u00a0It is used in the oil industry to remove \u00a0asphalt resinous substances, \u00a0acid containing and sulphur containing compounds, as well as other hazardous impurities. \u00a0Sulfuric acid refining results in obtaining a substance that is divided into two liquid phases.<\/p>\n<p>On top, there is acid oil and on the bottom, an acid sludge. \u00a0Almost all hazardous wastes (except organic acids) are removed from the used oils together with acid sludge though the majority of the oil\u2019s carbons will remain unchanged.<\/p>\n<h3 style=\"text-align: center\"><b>Alkali Purification<\/b><\/h3>\n<p>Alkali purification may be:<\/p>\n<ol>\n<li>an independent stage of purification;<\/li>\n<li>an initial phase of the alkali-earth purification;<\/li>\n<li>a final phase of \u00a0sulfuric acid refining.<\/li>\n<\/ol>\n<p>Usually, caustic soda, calcined soda and trisodium phosphate are required to carry out the alkali purification. \u00a0As a result of the purification, there are sodium salts (soaps) that can be easily turned into the alkali solution. Additionally, soaps are usually easily and well dissolved in hot water.<\/p>\n<p>When alkali purification is complete, oil should be allowed to settle down.<\/p>\n<h2 style=\"text-align: center\"><b>Combined Methods of\u00a0Used Oil Purification<\/b><\/h2>\n<p>Taking everything into consideration, it is clear that oil should be processed by more than one recgonized method to obtain the desirable effect of the purification process. \u00a0In practical terms, a combination of methods is applied to purify oil. \u00a0<b><i>GlobeCore<\/i><\/b> is in the business of purification and regeneration of different types of mineral oils using classical as well as new and innovative methods. <b><i>\u00a0GlobeCore\u2019s<\/i><\/b> advanced technology provides for the complete restoration of the performance characteristics of dielectric oil and other industrial oil and fluids while at the same time reducing operating costs and maintenance costs.<\/p>\n<p>With <b><i>GlobeCore<\/i><\/b> equipment, you will be able to reduce your need to spend money on new oil purchase since regenerated oil is restored to its new like condiction and des not need to be replaced with expensive new oil.<\/p>\n<p>The fact that <b><i>GlobeCore<\/i><\/b> equipment is environmentally friendly is of great benefit to the power transmission industry. \u00a0<b><i>GlobeCore<\/i><\/b> oil purification units produce no hazardous waste. \u00a0Adsorbent materials, used in <b><i>GlobeCore<\/i><\/b> equipment, are reactivated directly in the unit and may be used for between 2 and 3 years before being disposed of as non-hazardous waste.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Classic Ways of Used Oil Purification In today\u2019s industrial environment, all the Used Oil Purification Methods are divided into such groups as: Physical Used Oil Purification Method; Chemical Used Oil Purification Method; Combined Method of Used Oil Purification. A particular purification method is chosen depending on the amount and the degree of the used oil\u2019s<a class=\"cg-read-more\" href=\"https:\/\/oilregeneration.globecore.com\/classic-ways-of-used-oil-purification\" target=\"_blank\">Read More <\/a><\/p>\n","protected":false},"author":7,"featured_media":2561,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[111,130,21,173,30,177,151,175,149,152,110,172,108,45,109,131],"class_list":["post-2218","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-case_studies","tag-chemical-methods","tag-classic-ways","tag-oil-filtration","tag-oil-reclaimer","tag-oil-reclamation","tag-oil-reclamation-equipment","tag-oil-reclamation-machine","tag-oil-reclamation-plant","tag-oil-reclamation-systems","tag-oil-reclamation-unit","tag-physical-methods","tag-reclaim-oil","tag-restoration","tag-transformer-oil-reclamation","tag-used-oil","tag-used-oil-purification"],"acf":[],"language":"en","_links":{"self":[{"href":"https:\/\/oilregeneration.globecore.com\/en\/wp-json\/wp\/v2\/posts\/2218","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oilregeneration.globecore.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/oilregeneration.globecore.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/oilregeneration.globecore.com\/en\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/oilregeneration.globecore.com\/en\/wp-json\/wp\/v2\/comments?post=2218"}],"version-history":[{"count":0,"href":"https:\/\/oilregeneration.globecore.com\/en\/wp-json\/wp\/v2\/posts\/2218\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oilregeneration.globecore.com\/en\/wp-json\/wp\/v2\/media\/2561"}],"wp:attachment":[{"href":"https:\/\/oilregeneration.globecore.com\/en\/wp-json\/wp\/v2\/media?parent=2218"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/oilregeneration.globecore.com\/en\/wp-json\/wp\/v2\/categories?post=2218"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/oilregeneration.globecore.com\/en\/wp-json\/wp\/v2\/tags?post=2218"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}