Good quality biodiesel distillation machine made in China

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Biodiesel distillation

1.Physical refining: the first hydration of oil or phosphoric acid to remove the phospholipids, glial and other substances). And then the oil preheat, dehydration, degassing into the deacidification tower, to maintain residual pressure, access to excess steam, the steam temperature, the free acid and steam co-steamed, condensed precipitation, remove free fatty acids other than the net loss, In the free acid can be reduced to very low, the pigment can be broken down, so that the color lighter. All kinds of waste vegetable oil in the independent research and development under the action of DYD catalyst, the use of esterification, alcoholysis at the same time the reaction process to produce crude fatty acid methyl ester.

2.Methanol pre-esterification: First, the oil hydration degumming, with a centrifuge to remove phospholipids and gums and other hydration formed when the floc, and then dehydration of oil. The raw oil is added with excess methanol and is pre-esterified in the presence of an acidic catalyst to convert the free acid to methyl ester. The methanol water was distilled off, and after fractionation, no free acid was separated from C12-16 methyl palmitate and C18 methyl oleate.
3.Ester exchange reaction: Pre-treated fat and methanol together with a small amount of NaOH as a catalyst, at a certain temperature and atmospheric pressure transesterification reaction, which can produce methyl ester, the use of two-step reaction, through a specially designed separator continuous To remove the glycerol produced in the initial reaction, and the transesterification reaction is continued.
4.Gravity sedimentation, washing and delamination.
5.Separation of glycerol and the availability of crude methyl esters.

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The Shandong LD’e grain and oil machinery company’s experts guide installation and have good technology

We make the cooperation with LD’e group many times. Their experts guide installation on-site and after-sales team provides 24 hours of technical services.
I think they have done a well in this respect. Among the large number of grease equipment manufacturers, they are very good in China. Hope we can continue to cooperate in the future.

Shandong LD’e grain and oil machinery company’s equipment have good quality, and shipped on time.

We make the cooperation with LD’e group for long time. Because they are manufacturer, their equipment have good quality assurance and reasonable price. They shipped on time after we finish contract.