A multiple pass downcomer tray for parallel flow on successive trays in a mass transfer column comprising: an annular tray having a tray surface; an annular support ring attached to the tray; at least four mass transfer decks (22, 24, 26, 28) on the tray surface of the annular tray and each of the at least four mass transfer decks having a plurality of apertures through the tray surface, and wherein each mass transfer deck being disposed adjacent to at least two other mass transfer decks and configured to provide contact between an ascending vapor passing through the apertures and a traversing liquid on the tray surface; one or more dividers (45A, 45B) disposed on the tray surface and configured to partition the tray surface into the at least four mass transfer decks (22, 24, 26, 28); and a plurality of downcomers configured for collecting and discharging the liquid from the mass transfer decks (22, 24, 26, 28), including one or more central downcomers disposed proximate a central axis of the annular tray and two or more peripheral downcomers (32, 34) disposed proximate the annular support ring and spaced apart from the central axis, wherein each peripheral downcomer includes liquid channel structures or chutes (52, 54) with ramps to channel the descending liquid and the central downcomer includes a liquid channel structure or chute with ramps to channel the descending liquid; wherein the peripheral downcomers (32, 34) are configured to direct the descending liquid flow from a collection location (22,24) on one of the at least four mass transfer decks (22, 24, 26, 28) to a discharge location (26,28) below an adjacent mass transfer deck and the central downcomer is configured to direct the descending liquid flow from a collection location (26,28) proximate a central axis and between two adjacent mass transfer decks to a discharge location (22,24) opposite the collection location but proximate the central axis and below two other adjacent mass transfer decks; wherein at least two of the at least four mass transfer decks (22, 24, 26, 28) are configured to discharge the traversing liquid into the two or more peripheral downcomers (32, 34) and at least two of the at least four mass transfer decks are configured to discharge the traversing liquid into the one or more central downcomers; and wherein the liquid flow traversing each of the at least four mass transfer decks (22, 24, 26, 28) is in the opposite direction to the liquid flow traversing in at least two adjacent mass transferdecks. an annular tray having a tray surface; an annular support ring attached to the tray; at least four mass transfer decks (22, 24, 26, 28) on the tray surface of the annular tray and each of the at least four mass transfer decks having a plurality of apertures through the tray surface, and wherein each mass transfer deck being disposed adjacent to at least two other mass transfer decks and configured to provide contact between an ascending vapor passing through the apertures and a traversing liquid on the tray surface; one or more dividers (45A, 45B) disposed on the tray surface and configured to partition the tray surface into the at least four mass transfer decks (22, 24, 26, 28); and a plurality of downcomers configured for collecting and discharging the liquid from the mass transfer decks (22, 24, 26, 28), including one or more central downcomers disposed proximate a central axis of the annular tray and two or more peripheral downcomers (32, 34) disposed proximate the annular support ring and spaced apart from the central axis, wherein each peripheral downcomer includes liquid channel structures or chutes (52, 54) with ramps to channel the descending liquid and the central downcomer includes a liquid channel structure or chute with ramps to channel the descending liquid; wherein the peripheral downcomers (32, 34) are configured to direct the descending liquid flow from a collection location (22,24) on one of the at least four mass transfer decks (22, 24, 26, 28) to a discharge location (26,28) below an adjacent mass transfer deck and the central downcomer is configured to direct the descending liquid flow from a collection location (26,28) proximate a central axis and between two adjacent mass transfer decks to a discharge location (22,24) opposite the collection location but proximate the central axis and below two other adjacent mass transfer decks; wherein at least two of the at least four mass transfer decks (22, 24, 26, 28) are configured to discharge the traversing liquid into the two or more peripheral downcomers (32, 34) and at least two of the at least four mass transfer decks are configured to discharge the traversing liquid into the one or more central downcomers; and wherein the liquid flow traversing each of the at least four mass transfer decks (22, 24, 26, 28) is in the opposite direction to the liquid flow traversing in at least two adjacent mass transferdecks.