1, 3-BUTADIENE SEPARATING MATERIAL, AND SEPARATION METHOD USING SAID SEPARATING MATERIAL
申请人:SHOWA DENKO K.K.
公开号:US20160159712A1
公开(公告)日:2016-06-09
A separating material superior to conventional separating materials, and a separation method are provided, with which 1,3-butadiene is selectively separated and recovered from a mixed gas including 1,3-butadiene and C4 hydrocarbons other than 1,3-butadiene. A metal complex, which comprises a dicarboxylic acid compound (I) (see (I) below) represented by general formula (I), an ion of a metal such as beryllium, and a bipyridyl compound (II) represented by general formula (II), namely L-Z-L (II) (see (L) below), is characterized by including, as the dicarboxylic acid compound (I), at least two different dicarboxylic acid compounds (I). The metal complex is used as a 1,3-butadiene separating material. Formula (I) L is represented by any of the compounds below. Formula (L)
提供了一种优于传统分离材料的分离材料和分离方法,使用该材料和方法可以从包括1,3-丁二烯和除1,3-丁二烯以外的C4烃类的混合气体中选择性地分离和回收1,3-丁二烯。金属配合物包括一种由通式(I)表示的二羧酸化合物(见(I)下方),一种金属离子,例如铍离子,以及一种由通式(II)表示的双吡啶化合物(II),即L-Z-L(II)(见(L)下方)。该金属配合物的特点在于,作为二羧酸化合物(I),至少包括两种不同的二羧酸化合物(I)。该金属配合物用作1,3-丁二烯分离材料。式(I)中,L由下列任一化合物表示。式(L)