초록 ▼

Sulfur content of distillate feedstock, which is greater than 3,000 wppm, is reduced using multi-stage hydrodesulfurization by reacting the feestream in stages with reaction zone(s) containing bulk multimetallic catalyst comprised of Group VIII non-noble metal(s) and at least two group VIB metals. T

Sulfur content of distillate feedstock, which is greater than 3,000 wppm, is reduced using multi-stage hydrodesulfurization by reacting the feestream in stages with reaction zone(s) containing bulk multimetallic catalyst comprised of Group VIII non-noble metal(s) and at least two group VIB metals. The ratio of Group VIB to Group VIII non-noble metals is 10:1 to 1:10.

대표청구항 ▼

Sulfur content of distillate feedstock, which is greater than 3,000 wppm, is reduced using multi-stage hydrodesulfurization by reacting the feestream in stages with reaction zone(s) containing bulk multimetallic catalyst comprised of Group VIII non-noble metal(s) and at least two group VIB metals. T

Sulfur content of distillate feedstock, which is greater than 3,000 wppm, is reduced using multi-stage hydrodesulfurization by reacting the feestream in stages with reaction zone(s) containing bulk multimetallic catalyst comprised of Group VIII non-noble metal(s) and at least two group VIB metals. The ratio of Group VIB to Group VIII non-noble metals is 10:1 to 1:10. US-4657753, 19870400, Bolt et al., 423/447.6; US-4927620, 19900500, Ward et al.; US-4975263, 19901200, Furuyama et al., 264/029.2; US-5037590, 19910800, Fukushima, 264/211.11; US-5061413, 19911000, Uemura et al.; US-5259947, 19931100, Kalback et al.; US-5292408, 19940300, Tanigawa et al., 205/661; US-5437780, 19950800, Southard et al.; US-5501788, 19960300, Romine et al.; US-5540832, 19960700, Romine; US-5997613, 19991200, Kaneko et al., 095/117; US-6123829, 20000900, Zimmerman et al., 208/039 ersely along the interior surface of the edge adapter, said groove having a thickness which is substantially equal to the thickness of the front substrate, and wherein the upper edge of the front substrate is disposed within the groove. 3. The electrophoresis cassette of claim 2, wherein the front and back substrates are glass. 4. The electrophoresis cassette of claim 2, wherein the transverse portion of the U-shaped main body member has a height of less than 10 mm. 5. The electrophoresis cassette of claim 4, wherein the transverse portion of the U-shaped main body member has a height of less than 5 mm. 6. The electrophoresis cassette of claim 2, wherein the edge adapter is an integrally-formed molded plastic piece. 7. The electrophoresis cassette of claim 2, wherein the edge adapter is affixed to the front and back substrates with glue. 8. The electrophoresis cassette of claim 7, wherein the arms are affixed to the back substrate with glue containing spacer beads. 9. The electrophoresis cassette of claim 2, wherein the surface of the contoured region proximal to the back substrate is flat. 10. The electrophoresis cassette of claim 9, wherein the contoured region intersects of a plane defined by the front substrate at an angle of from 30° to 60°. 11. The electrophoresis cassette of claim 2, further comprising a plurality of dividers, extending from the surface of the contoured region proximal to the back substrate, thereby creating loading wells. 12. The electrophoresis cassette of claim 11, wherein the transverse portion of the U-shaped main body member has a height of less than 0.5 mm. 13. The electrophoresis cassette of claim 12, wherein the transverse portion of the U-shaped main body member has a height of less than 0.1 mm. 14. The electrophoresis cassette of claim 11, wherein the edge adapter is an integrally-formed molded plastic piece. 15. The electrophoresis cassette of claim 1, further comprising a plurality of dividers, extending from the surface of the contoured region proximal to the back substrate, thereby creating loading wells. 16. An edge adapter for creating a sample loading region on an electrophoresis gel, wherein the edge adapter is a single piece of molded plastic having an interior surface, an exterior surface, and top, bottom and side edges, said edge adapter comprising: a U-shaped main body portion having a rectangular transverse portion extending from one side edge to the other side edge and two arms extending vertically from opposing ends of the transverse portion towards the top of the edge adapter, said transverse portion having an upper edge extending transversely between the two arms, a lower edge, and a thickness; and a contoured region extending along the upper edge of the transverse portion of the U-shaped body member between the arms, said contoured region having a thickness at the edge proximal to the transverse portion greater than the thickness at the edge distal to the transverse portion. 17. The edge adapter of claim 16, further comprising an interlocking portion extending along and being contiguous with the lower edge of the transverse portion of the U-shaped main body member, said interlocking portion having a thickness which less than the thickness of the transverse portion, and wherein the interlocking portion and the lower edge of the transverse portion in concert form a groove extending transversely along the interior surface of the edge adapter. 18. The edge adapter of claim 17, wherein the transverse portion of the U-shaped main body member has a height of less than 10 mm. 19. The edge adapter of claim 18, wherein the transverse portion of the U-shaped main body member has a height of less than 5 mm. 20. The edge adapter of claim 17, wherein the edge adapter is an integrally-formed molded plastic piece. 21. The edge adapter of claim 17, wherein the interior surface of the contoured region is flat. 22. The edge adapter of claim 21, wherein the contoured region intersects