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Oil making machine The equipment of edible oily refined oil of edible oily fine presses the grease de-acidification of crush out

The equipment of edible oily refined oil of edible oily fine presses the grease de-acidification of crush out

The equipment of edible oily refined oil of edible oily fine presses the grease de-acidification of crush out

Equipment of edible oily refined oil approachs the end of the grease de-acidification of crush out, basically be the free fatty acid in eliminate crude oil, and a few colloid, pigment of the keep in oil and minim metal material, also be the manufacturing effect soldier that improves follow-up process to create a condition at the same time. De-acidification operation, it is equipment of oily refined oil of immediate impact edible one of main factors that the grease tip temper with fire that suppresses crush out gets rate and quality. The application on industrial production is the widest is law of alkaline refine de-acidification, law of i.e. chemistry fine. It is law of vapor distill de-acidification next, also call physical fine the law.

(One) alkaline refine de-acidification

Alkaline refine de-acidification. It is to use solution of caustic soda of industry of certain pH indicator, will counteract the free fatty acid in crude oil, made change makes sodium soap (namely black foot 〕 and the grease that presses crush out with equipment of edible oily refined oil is detached. Down to by eliminate. The sodium soap that makes in process of alkaline refine de-acidification, have very high adsorptive capacity. It is OK and adsorptive other impurity, wait like protein, mucous, phosphatide and pigment, adsorptive depart comes out in the oil that will have to press crush out from equipment of edible oily refined oil firstly. But in the process in alkaline refine de-acidification, the grease that equipment of a few neuter edible oily refined oil press crush out is decomposed possibly also by alkaline saponification (transform namely soap) , the tip refine loss of the oil that adds equipment of edible oily refined oil to press crush out thereby is measured. Accordingly, must have chosen to operate a condition, operate measure and operation index strictly, reduce the reaction of neuter oily saponification as far as possible. Raise crude oil refined to must be led.

The main factor alkaline refine that alkaline refine of 1. shadow part of the day operates reachs its unit process of cargo bandling, it is more complex. To obtain favorable alkaline refine result, must choose optimum each craft condition, craft condition has chroma of alkaline bad news dosage, lye and alkaline refine to stop degree etc.

(The dosage with the bad news alkaline dosage with alkaline L) is one of main influencing factor in operation of alkaline refine de-acidification must pass mathematical calculation with alkali number, mix according to oily variety quality, batch the element such as oily to finished product requirement, course laboratory is small try, just can decide finally. Its computation formula is: Theory of = of real cost alkali number uses alkali number + exceed alkali number

Conversion needs to become discharge of alkaline bulk of weight of actual lye pH indicator or fluid in production. Oily factory reviews idiomatic wave closes degree show lye concentration. The Baume degrees chroma of lye and per cent pH indicator concern.


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