| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a coproduction catalyst for 1,3-butadiene and methacrolein in which n-butene and iso-butene are made raw materials, and that can efficiently coproduce 1,3-butadiene industrially useful for a raw material of a synthetic rubber and methacrolein industrially useful for a raw material of methacrylic acid, methyl methacrylate (MMA), and an MMA resin, and to provide a production method for 1,3-butadiene and methacrolein using the same. <P>SOLUTION: The coproduction catalyst for 1,3 butadiene and methacrolein is a multiple element based composite oxide shown by general formula: Mo<SB POS="POST">12</SB>Co<SB POS="POST">b</SB>FecBi<SB POS="POST">d</SB>Ce<SB POS="POST">e</SB>Tl<SB POS="POST">f</SB>Sb<SB POS="POST">g</SB>O<SB POS="POST">j</SB>(wherein b =3-15, c =0.4-5, d =0.01-3, e =0.01-2, f =0.01-2, g =0.01-3, j =40-79, c/b =0.3-1.2). <P>COPYRIGHT: (C)2013,JPO&INPIT |
