Vmets - Biodiesel Plant with Short Path Distillation Unit
From Biodiesel Plant
The use of renewable energy helps a society with high energy demand, the problems of depletion of stocks that are causing fossil fuels, avoiding also the large amount of pollution generated oil wells and refineries.
Product Details
The production of biodiesel and the end result is linked to the source of raw material which is, still today the mixtures of oils which dominate the sector: soybean, Palm, rapeseed and sunflower in different proportions supply factories. A special mention should be made to the producers of biodiesel whose raw material is waste (oils or fats reused), so you get a fuel from waste. The majority of producers in this sector supply the factory with: vegetable oils, animal fats or oils of high acidity.
As a result of the wide range of raw materials technologies that allow a wide range of inputs or inputs in the factory are those that are prevalent on which are more restrictive in terms of the range of raw materials to be used, it is logical to think that he is not the same treatment to a sunflower oil whose process of degumming creates lot of waxes against a palm oil found in the solid state at low temperatures or a used vegetable oil before solids in suspension to be eliminated prior to the entry the production, etc.
The regulations affecting biofuels are in-14214 and which regulates the basic parameters such as: final in biodiesel (> 96.5%) ester content, as well as the content of mono-, di – and triglycerides, free and total Glycerin, water, methanol, etc. The processes that contemplate the use of raw materials used: type oil frying, animal fats or oils of high acidity have the disadvantage that the implementation of the standard-setting in-14214 becomes a very complicated task and are forced to use the final biodiesel purification processes.
There are two processes for the purification of biodiesel: the cold filtration and the vacuum distillation. The most widely used process for the purification of biodiesel is distillation, since increasing ester content, eliminating color and scent on it, improve the filtrabilidad test and reduce the content of mono-, di – and triglycerides. As against the increase in energy consumption, requiring to be a process which involves the transfer of heat energy demand presents.
VMETS technology allows the distillation to high vacuum that together with the thin film technology allows increase the quality of the final product by avoiding thermal degradation by the use of high temperatures.
The installation includes also the use of improvements to increase the energy rendiemiento of factories, this way the installation can be designed with:
· Use of economizer to reduce the cost of heating of the raw material prior to distillation.
· Use of low pressure (barg 3-4) steam generation for use in the vacuum group either use them in other consumers of the installation.
- Use of high vacuum technology to decrease the temperature of operation.
- Low residence time.
- High ratios of evaporation equipment > 90%
- Low residence time.
- Design of the plant to work in continuous and automated.
Step short or short haul technology involves the operation of a team of thin film with internal capacitor, the main advantage is the minimum distance between the hot wall of the team and the internal capacitor, the effect of low loss of steam allows the operation in continuous high vacuum0.001 mbar in operation.
The main advantages of these teams are:
- Operation at high vacuum.
- Low time of residence.
- Possibility of stripping without increasing the temperature too.
- The evaporator of short-haul, Short Path, reduces content in fractions biodiesel heavy distillation without increasing the temperature the main advantages that allow are: increasing the production of the distillation and avoid presence of color in the hurry final.
VMETS consultants has installation of distillation of high vacuum in laboratory for conducting tests with 1 liter of product.
The new facilities include: evaporator, heat exchangers and table of control and instrumentation, mounting equipment, structure, etc., and allow to biodiesel producers comply with the specifications of end product according to the regulations EN14214
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