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416 Without stannic great vessel China chemical industry sets stock to be restricted company besides the tower of acetic acid rectify that produces all sorts of norms, besides the equipment such as alcohol rectify tower, biology derv equipment also is …

478 Rectification tower is one of equipment that regular meeting of the classics in chemical production application involves, apply the extract that can realize a product through it, but in whole unit process of cargo bandling, rectification tower presses poor …

928 To ensure rectification tower is whole the stability of rectification process, a lot of essential conditions need to have, among them one of it is circumfluence. Also be to say, circumfluence has important sense to rectification tower, if that …

524 Below most circumstance, the after all in alcohol solution can have the presence of moisture, the density of such alcohol will be lower. Want to obtain alcohol of tall pH indicator so, need has the alcohol in solution and …

367 Biology derv is one of biology fuel, the difficult point that grows to it consists its producer area, with what biology fuel should be produced? Besides equipment of need biology derv, what does raw material respect have to ask? …

308 Tower of acetic acid rectify is the main unit of solution of preparation acetic acid, but tower of original acetic acid rectify has a lot of problems to exist in the discovery in use process, affected the character of …