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Backflow bonnet and poppet

A prior art backflow bonnet and poppet is replaced by a functionally equivalent new bonnet and poppet. The new bonnet and poppet reduces risk of freeze damage with about a 50% greater strength against... The FEBCO Series 765 Pressure ...

Stars: 34 Updated: September 8th,2018

Method for producing maleic anhydride

A process for preparing maleic anhydride by heterogeneously catalyzed gas-phase oxidation of an n-butene-containing hydrocarbon stream by means of oxygen-containing gases in a shell-and-tube reactor h... Mo12BiaFebCocNidCreX1fKgOx (I)...

Stars: 48 Updated: September 8th,2018

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