Monday, December 18, 2006
A swine farm of São Paulo is obtaining to take off the maximum advantage of the creation. Everything is taken from the pig and a newness is calling the attention: the production of biodiesel from bathes of pig. In a farm in Caconde all the used energy is produced in the proper place. The process starts with the daily cleanness of the farms. The dirty water that before went for the spring now goes for pipes until the bio-digestibilities, where the dejections are transformed into gas methane and bio-fertilizant.
"Inside of the bio-digestor it has a bacterium that it digests the solid substance and surplus alone the liquid and the bio-fertilizant", explains the creative João Pablo Muniz. The bio-fertilizant is taken for the cultures. Per day 12 a thousand liters of bio-fertilizant in the 75 hectares of coffee and 90 of maize are played. With this, the seasoning economy in the property arrives 50%. Already the gas methane follows for the house of machines, where it is sucked by the compressor and transformed into electric energy for the generator. Heating of the maternity, the illumination of the houses, the heating of the food, everything with the energy coming of the pigs. "At the moment we are producing 50% of the energy of the farm", counts João.
What surplus of abates it, fat and outher stuff, worn out and later is melted. The result is a dark liquid. The curiosity of João gained force with the technique of the friend Delvá Poli, chemistry pensioner. It helped to develop a new fuel and explains as the stage most important of the process occurs: "We go to place alcohol and in the presence of a catalyser, type caustic soda water, this alcohol goes to take off the glycerin of the carbonic chain of the oil". With the chemical reaction, the glycerin is in the deep one and is removed. After stroke, it receives corant and she is ready to be used as soap.
The liquid that was in the from above part of the cauldron is biodiesel pure and already it can go direct for the tank. It makes eight months that João does not need to go to the fuel rank. The vehicles now only twirl with biodiesel. Per week 400 liters, the sufficient to give to account of all the demand of the property are produced.
The pioneering technology made to move until the way to calculate the consumption. "Now the kilometrage for kilo is counted of bathes", comments the agriculturist. Another advantage of biodiesel of pig is that it cause little damages to the environment because does not have sulphur, that, set free in the atmosphere, helps to provoke acid rain and the effect greenhouse.
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