B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
252/103, 260/573
B01J 21/08 (2006.01) B01J 23/16 (2006.01) B01J 23/28 (2006.01) C07C 45/33 (2006.01)
Patent
CA 1259299
Abstract of the Disclosure Formaldehyde is made from methane (such as from natural gas) and a molecular oxygen containing gas by using a silica supported catalyst having less than 350 parts per million by weight of sodium and having a catalytically effective amount of MoO3. The low sodium form of the silica support can be made by washing silica gel or precipitated silica, by using a fumed silica or by making an ultrapure form of silica having a silica purity of at least 99.99% silica. The ultrapure form can be made by the hydrolysis of silicon tetraalkoxides. In general, the lower the sodium level, the better is the catalyst.
502970
Gowling Lafleur Henderson Llp
Grace (w.r.) & Co. -Conn.
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