write my assignment 7671

paraphrase:Once separate the glycerin from biodiesel, it is carried out the washing on the funnels.Separate the glycerin, the biodiesel must be washed because that may contain residues ofcatalyst, methanol, soaps and glycerides without reacting. Two types of washings areestablished according to the experimental design.In one of the washing, water at 40 °C is used for three washes. Other tests of washing havebeen conducted with acetic acid 10% wt, where is used the same amount of used cookingoil; two washes are carried out with acid solution and the third is done with deionizedwater.The distillation is carried out at 40 °C, temperature which is below the boiling point ofmethanol. The vacuum pump is used in order to minimize the time of distillation andvacuum trap is used to prevent waste of alcohol and water to the pump.

paraphrase:

Once separate the glycerin from biodiesel, it is carried out the washing on the funnels.

Separate the glycerin, the biodiesel must be washed because that may contain residues of

catalyst, methanol, soaps and glycerides without reacting. Two types of washings are

established according to the experimental design.

In one of the washing, water at 40 °C is used for three washes. Other tests of washing have

been conducted with acetic acid 10% wt, where is used the same amount of used cooking

oil; two washes are carried out with acid solution and the third is done with deionized

water.

The distillation is carried out at 40 °C, temperature which is below the boiling point of

methanol. The vacuum pump is used in order to minimize the time of distillation and

vacuum trap is used to prevent waste of alcohol and water to the pump.

 
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