Molecular Sieve 4A can be revived for reuse and the required factors for revival are temperature and pressure. Introduction of Molecular Sieve 4A Molecular Sieve type 4A (Angstrom) is an alkali alumino silicate, obtained through synthesis of type A zeolite in sodic form. it is the sodium form of the Type A crystal structure. 4A molecular sieve has an effective pore opening of about 4 angstroms (0 ...
... following process stages:1. Separation of methyl ester and glycerin/catalyst/soap/methanol2. Washing of methyl ester3. Separation of fatty acids from ...
... whiteIdentificationpositive reactionpositive reactionMelting point138—141°C139.5-139.8°C2—methyl—5—nitroimidazolePrecipitated have not muddilyPASSLoss on drying≤1%0.44 ...
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