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Fuller’s Earth from Google planet

Internet is a wonderful thing. Not a single day passes without some new knowledge. Sometimes research into cosmetology and environmental sciences may lead to advances in heavy industry. Here is what the “bleaching clay” search yields:

  • Stain removal
  • Facial mask
  • Insect sting or burn lotion
  • Furniture deodorant.

Still, the question is why such a complex material is only used for household needs. However, looking through the next search results was baffling: bleaching earth is used not only in cosmetics, but also in chemical industry, oil processing and engineering companies.

Such diverse results required further research. According to an online dictionary, Fuller’s earth is a natural material with high adsorption capabilities, which consists mostly of attapulgite. The material is used for bleaching of oil, scouring of textiles etc.

More productive searches clarified further that such elements are used also in modern fuel regeneration and reclamation systems. Since articles on this topic were not at the top of the search ratings, it seemed worthwhile to finish reading.

Bleaching earths are used for purification of crude oil, vegetable oils, fats, vinegar, wines, vitamins, antibiotics and water. In various industries it is referred to as adsorbent.

But the peculiarity or bleaching earths, Fuller’s earth being one, is the capability of multiple use due to self-restoration of their properties.

Of course, this is not about reuse of facial masks or antiseptics. But, for prudent investments, Fuller’s earth is used again more than a couple of times.

Fuller’s earth is a kind of natural sedimentation clay, which can be used for lightening, filtration and purification of mineral and vegerable oils and fats. It includes alumina oxide, silica dioxide, ferrous oxides, lime, magnesia and water in various proportions.

However, according to the experts, there is a difference between filter elements and sorbents for oil regeneration, which are often mistaken for one another.

Filters are auxiliary devices. Clays used in oil purification (such as Fuller’s earth) are bentonite clays. If used correctly, clay attracts contaminants which become chemically attached to the clay and removes them from oil.

Clays react with acidic materials. When oil oxidizes, certain byproducts continue oxidation and promote formation of slime and aging of oil. According to studies in petro chemistry, negative particles form in the process of reaction with catalysts in the form of air and moisture. Naturally, removal of oxidation products and oil purification with restoration of its original specifications allows to increase oil stability and extend its life time. The use of bleaching clay is especially effective for removal of very fine degraded particles from the oil, even though such particles can pass through a 0.45 micron filter.

Regeneration of oil by Fuller’s earth is not a process of filtration. During filtration, contaminants are removed by being retained in the filtering media. Fuller’s earth removes molecules by adsorption, i.e. polar attraction. In a narrower sense, adsorption is the process of attachment of contaminant from gas or liquid by a solid material (in case of gas and liquid) or by liquid (in case of gas).

However confusing the terminology is, the difference is obvious: filters retain contaminant particles, while Fuller’s earth type materials adsorb them with the possibility of self-purification. This happens so that contaminated oil could enter the engine fully restored and reclaimed.

Some of the searches lead me to the website of GlobeCore. The amount of available explanations was on par with the wide range of offered products.

Stationary and mobile oil purification plants are the modern complete oil and fuel reclamation facilities. The use of Fuller’s earth sorbent allows the company to take leading positions in the markets of 70 countires,

Beside, detailed description of the units, their capabilities, processing capacity and operation options is quite accessible. Experts develop customized oil regeneration and reclamation solutions and programs for every client.

Unlike other businesses, GlobeCore specifically emphasizes resource conservation. GlobeCore trade mark is committed not only to sales of the equipment, but to the development of new avenues of advance for client companies.

The Internet surprises one with new knowledge unlooked for.

The idea of active existence in the modern world with the full range of online offers is very compelling.

“Shake and look through light…”: is this rule just for wine business or for oil also?

Contaminated used oils can be used not only for cheap heating, but recuperate their original cost almost entirely. The modern methods of dehydration, degassing, purification and filtration are just as good at making money on recycling, as in keeping in trend with the now popular environmental ideas. The price of handling and disposal of used oil has been growing, along with fines imposed for environmental violations.

Solution to such problems is the new life of used oil and further profits from using it.

GlobeCore specializes in production of systems for comprehensive regeneration and purification of transformer oils. The process is based on the environmentally safe Fuller’s earth, which produces no harmful emissions and can regenerate, i.e. can be reused. Besides, the process is quite simple and does not require highly skilled operators or high tech adjustments. Using regenerated oil, which constitute about 95% of the finished product, is economically profitable.

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Our participation in MEE – 2013 at Dubai Convention & Exhibition Centre, Dubai, UAE

GlobeCore Company has a considerable experience in manufacture of industrial equipment for energy sector.

The product range is quite large. And it includes transformer oil treatment machinery, transformer evacuation machines, equipment to freeze impurity out of the windings, oil filling equipment, etc.

We have supplied our equipment to over 40 countries worldwide, having a Europe, Asia Pacific, Africa, Middle East, and Latin America among our markets.

We keep tracking all the new technologies which we implement in our production. We also participate in the different exhibitions. Particularly, Dubai Middle East Electricity Exhibition-2013 was attended by our representative Darina Shadad.

Darina made presentation in terms of the Exhibition to stress difference between transformer oil regeneration (reclamation) and oil purification and also core operating principles of oil regeneration plant CMM-R. This synopsis highlights transformer oil and transformer insulation.

So, what are transformer oil and insulation system?

Transformer oil also known as insulating oil is usually refined mineral oil that operates at the high temperatures and has excellent electrical insulating properties. It is used in oil-filled transformers, some types of high voltage capacitors, fluorescent lamp ballasts, and some types of high voltage switches and circuit breakers. Its functions are to insulate, suppress corona and arcing, and to serve as a coolant.

Insulation is the most important part to maintain as it`s the weakest link of any transformer. Life of insulation is the life of a transformer itself. Insulation requires early and swift attention.

In terms of regeneration it becomes extremely important to protect insulation because the insulation system makes a barrier between the oil and effects of oxygen and moisture.

In oil purification (degassing) the following oil specifications are the most important:

  1. Dielectric strength
  2. Color
  3. Flash point
  4. Interfacial tension
  5. Pour point
  6. Specific gravity
  7. Viscosity
  8. Neutralization number also known as acid number

But when it comes to regeneration more factors are involved. These factors are:

  1. Water content
  2. Ten delta also known as power factor or electrical dissipation factor.
  3. Oxidation stability
  4. PAH (poly aromatic hydrocarbons)

Regeneration does not replace purification, both of them are very important for transformer maintenance.

Purification means removal of water, gases and sludge from transformer oil.

But when oil purification or degassing is no longer effective, oil must be either changed as mostly up-to-date or regenerated going to be a perfect alternative.

Regeneration is the complete treatment of oil to “like new” condition. It is impossible to rich new oil specifications for the 20 years old oil. But “like new” conditions means correspondence with the standards disposed for the new oil. When we say that we bring 10 years old oil to “like new” conditions we mean that oil meet its specifications from 10 years ago.

A process of regeneration is enabled by Fuller’s earth sorbent. Regeneration plants are performed in two ways: skid mounted and mobile. Both of them are effective. Besides, their designs are environmentally friendly.

Today to meet regulations and to make customers feel protected, manufacturer has got to demonstrate “green” and environmentally friendly approaches. Our equipment can resolve this problem.

In GlobeСore units Fuller`s earth sorbent can be reactivated. As result there’s no need to spend money for utilization of exhausted sorbent.

Operation can be done by only operator.

Also, there’s no need to de-energize a transformer. CMM-R plant can treat a transformer online. As result the customer gets:

  • Energized transformer= no money loss
  • Low labor cost
  • No transportation
  • No risk of PCB or silicone cross contamination
  • No need to buy new oil
  • No environmental contamination
  • No atmospheric discharge

 Facts speak for themselves. You need only to make your choice.

Uganda Electricity Transmission Company Limited (UETCL Uganda) to cooperate with GlobeCore

Our company is well know in every continent of the globe, and now we are focusing our effort on Africa.

GlobeCore experts Stanislav Sukhar (Export manager) and Yevgeniy Svirid (Oil purification plants lead engineer) paid a visit to UETCL (Uganda Electricity Transmission Company Limited) which expressed interest in teaming up with our company. UETCL operates many remote substations with transformers which fail quite often. Unfortunately, transformer failures and resulting power outages are still a concern in Uganda. Accoring to Christopher Mutyaba, UETCL Head of Maintenance Department, reparing or replacing a transformer can take up to six months. Transformer down time is a loss of revenue and a cause for customer dissatisfaction. The Nigerian Power Holding Company, a counterpart to UETCL, which operates 18 GlobeCore 10000 l/h Mobile Oil Purification Plants, recommended to GlobeCore to UETCL Uganda to upgrade transformer oil purification plants.

Among the recent developments in GlobeCore’s oil purification plants is a system addressing the issue of excessive foaming in the vacuum chambers of the plants, which often occurs with oil and contaminated oils.

GlobeCore currently manufactures oil purification and regeneration plants with flow rates ranging from 160 to 10000 l/h. Timely oil purification and regeneration extends lifecycle of an average transformer by 25 to 30 years. It is achieved by constant monitoring of the state of oil and paper insulation with Dissolved Gas Analysis Monitors and timely application of remedial actions – oil purification or regeneration.” – says Stanislav Sukhar, GlobeCore Export Manager.

Our engineers often travel to clients to provide startup assistance and staff training. We also organize different seminars to share our experience in oil purification. The latest seminar took place in April in Kampala, capital of Uganda, at UETCL offices. It centered on benefits of transformer oil regeneration with Fuller’s Earth, environmental and operational advantages of oil regeneration over replacement with new oil.

Another GlobeCore’s Caribbean experience

September 2013 – GlobeCore supplies yet another oil treatment unit into the Central America, specifically to the Dominican Republic.

It doesn’t seem at all special: just one of hundreds of plants, nothing sensational, but this specific deal deserves a bit more than one line in the list of references.

Why? Well, first of all, this is the first sale to the Dominican Republic. Our rich and positive experience in the Central and South America has yet again been enhanced by pleasant impressions from another country, thanks to the great guys at INPROCA.

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Second, the supplied system is not entirely typical. Our talks with INPROCA lead to the creation of a relatively inexpensive and versatile system for energy sector service companies, which allows not only thermal and vacuum treatment of dielectric oil, but also high vacuum transformer evacuation.

Another important point is that the CMM2.2 oil plant combined with BV500 vacuum package – is a mobile system, which allows quick and easy transportation to the outdoor transformers in need of servicing. Details of the unit’s specifications will soon be available from the corresponding section of our website.

For startup and commissioning, as well as training of the client’s personnel, one of the GlobeCore engineers travelled to INPROCA. It is worth mentioning that this type of transformer service equipment is quite simple in setup and operation, and, given the high competence of INPROCA engineering staff, a chance of doubts on their part was next to zero. Nonetheless, the need to commission the oil purification unit correctly, observing all manufacturer’s instructions, prevailed. This was how we met in person, and the impressions of that meeting were exceptionally pleasant and promising of new cooperation in the future.

We would like to conclude this report with INROCA’s engineer’s comments:

Hector Herrera, Technical Services Chief Engineer: testing of the equipment ran together with Aleksander, were satisfactory. We appreciate Aleksandr’s assistance and would like to emphasize the high quality of his work.

Should you have any questions on existing or new oil processing and transformer service models in development by GlobeCore, feel free to ask them right here.