SEARCH Articles Figures Tables Butene distribution of the HYD of butadiene over CoSx-MoSx NaY as a function of the Co Mo atomic ratio. O t-2-butene, cis-2-butene, 1-butene. [Publishers Imprint] [Publishers Imprint] [Publishers Imprint] [Publishers Imprint] [Publishers Imprint] [Publishers Imprint] [Publishers Imprint] [Publishers Imprint] [Publishers Imprint] [Publishers Imprint] [Publishers Imprint] [Publishers Imprint] [Publishers Imprint] [Publishers Imprint] [Publishers Imprint]