1. A process for capturing, in the gaseous or liquid phase, organosiliceous complexes present in a gasoline cut comprising contacting a solid with said gasoline cut, said solid containing at least 80% by weight of alumina after calcining at 1000\xb0 C., said alumina having a total pore volume of more than 30 ml100 g, a fraction of the pore volume found in pores with a diameter of at least 70 \u212b of being more than 10 ml100 g, and said alumina having a specific surface area of more than 10 m2g.
2. A process according to claim 1, in which the alumina has a total pore volume of more than 45 ml100 g.
3. A process according to claim 1, in which the alumina has a volume represented by pores with a diameter of at least 70 \u212b or more of more than 25 ml100 g.
4. A process according to claim 1, in which the alumina has a specific surface area of more than 20 m2g.
5. A process according to claim 1, in which the alumina has a specific surface area in the range of 70 m2g to 200 m2g.
6. A process according to claim 1, in which the alumina has a volume represented by pores with a diameter of at least 70 \u212b or more of more than 45 ml100 g.
7. A process according to claim 1,in which the alumina is doped with one or more elements selected from alkalis, alkaline-earths and rare earths, the total amount of said doping elements being less than 20% by weight.
8. A process according to claim 7, in which the alumina is doped with one or more elements selected from sodium, potassium, calcium, magnesium and lanthanum.
9. A process according to claim 8, in which the dopant is lanthanum.
10. A process according to claim 1, in which the alumina is in the form of beads or extrudates.
11. A process according to claim 10, in which the alumina is in the form of beads with a size in the range 0.5 to 10 mm.
12. A process according to claim 10, in which the alumina is in the form of extrudates with a size in the range 0.5 to 5 mm.
13. A process according to claim 2, in which the alumina has a specific surface area of more than 20 m2g.
14. A process according to claim 13, in which the alumina has a specific surface area in the range of 70 m2g to 200 m2g.
15. A process according to claim 14, in which the alumina has a volume represented by pores with a diameter of at least 70 \u212b or more of more than 45 ml100 g.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A shelving system comprising:
a plurality of vertical posts formed by pultrusion; and
a plurality of horizontal traverses formed by pultrusion disposed between the plurality of vertical posts and coupled to the vertical posts;
a plurality of injection molded bifurcated collars, one of the plurality of bifurcated collars coupling each end of each one of the plurality of traverses to a corresponding one of the plurality of posts.
2. The shelving system of claim 1 wherein the vertical posts and horizontal traverses formed by pultrusion are formed by a method comprising the steps of:
providing a supply of fiberglass rovings;
guiding fibers from the fiberglass rovings through a resin impregnator;
saturating the fibers with a resin from the resin impregnator;
pulling the saturated fibers through a forming die;
forming the fibers to a predetermined shape to form a pultruded component; and
cutting the formed pultruded component to a predetermined length.
3. The shelving system of claim 1 wherein the bifurcated collar is comprised of two halves on each of which is disposed at least one male component and wherein the plurality of horizontal traverses each comprises a plurality of corresponding injection molded traverse end pieces, each traverse end piece with at least two substantially dove-tailed female apertures defined therein, which female apertures are each sized and shaped to accommodate and capture the at least one male component.
4. The shelving system of claim 3 where the plurality of traverse end pieces and bifurcated collars comprise means for distributing a load placed on the plurality of horizontal traverses so that each half of each bifurcated collar is pushed toward each other and are squeezed around the corresponding one of the plurality of vertical posts to which the bifurcated collar is coupled.
5. The shelving system of claim 1 wherein the plurality of traverses are configured in parallel pairs and further comprising a plurality of shelf plates disposed across each parallel pair of horizontal traverses, the pair of parallel traverses coupled at each end thereof to the plurality of vertical posts with the shelf plates disposed thereon thus forming a shelf.
6. The shelving system of claim 1 further comprising at least two top post connectors and at least two bottom post connectors coupled between the plurality of vertical posts at an orientation perpendicular or at an angle to that of the plurality of horizontal traverses.
7. The shelving system of claim 6 where the at least two top post connectors and at least two bottom post connectors are coupled between the plurality of vertical posts by means of a plurality of wedges inserted in between the plurality of vertical posts and the at least two top post connectors andor the at least two bottom post connectors.
8. The shelving system of claim 7 where the at least two top post connectors, the at least two bottom post connectors, and the plurality of wedges collectively comprise means for directing a downward force towards the center of the plurality of vertical posts when the downward force is placed on the at least two top post connectors or on the at least two bottom post connectors.
9. A shelving system comprising:
a primary module comprising:
at least four vertical pultruded primary posts disposed in corner positions and having a substantially rectangular cross-sectional shape;
at least one pair of parallel horizontal pultruded primary traverses coupled at either end to the primary posts; and
at least one shelf plate disposed on top of the at least two primary traverses; and
at least one secondary module coupled to the primary module, the at least one secondary module comprising:
at least two pultruded vertical posts;
at least one pair of parallel pultruded horizontal traverses coupled at one end thereof to the at least two vertical posts of the secondary module and coupled at an opposing end thereof to the primary module; and
at least one shelf plate disposed over the at least one pair of parallel traverses of the secondary module.
10. The shelving system of claim 9 where the at least one secondary module coupled to the primary module is coupled to the primary module such that the longitudinal axis of the at least one secondary module is along the same longitudinal axis as the primary module, and wherein the at least one pair of parallel pultruded traverses of the secondary module is coupled to at least two of the four vertical pultruded primary posts of the primary module.
11. The shelving system of claim 10 where the at least one pair of parallel pultruded traverses of the secondary module coupled to at least two of the four vertical pultruded primary posts of the primary module is coupled thereto by means comprising:
a traverse end piece coupled to an end of each of the at least one pair of parallel traverses of the secondary module, each traverse end piece comprising a pair of female apertures defined therein; and
a bifurcated collar removably coupled to the at least two of the four vertical primary posts, the bifurcated collar comprising two halves with at least one male component disposed on each half, the male component disposed on each half coupling with one of the pair of female apertures defined in a corresponding one of the traverse end pieces.
12. The shelving system of claim 10 where the primary module has a longitudinal axis and where a plurality of secondary modules are coupled together in series to the primary module so that a longitudinal axis of each of the secondary modules is approximately parallel to the longitudinal axis as the primary module, and wherein the at least one pair of parallel pultruded traverses of each of the plurality of secondary modules is coupled to the at least two pultruded vertical posts of the secondary module coupled in series before it.
13. The shelving system of claim 9 where the primary module has a longitudinal axis and where the at least one secondary module coupled to the primary module is coupled perpendicularly or at an angle to the longitudinal axis of the primary module, and wherein the at least one pair of parallel pultruded traverses of the secondary module is coupled to at least one horizontal pultruded primary traverses of the primary module.
14. The shelving system of claim 13 where the at least one pair of parallel pultruded traverses of the secondary module coupled to at least one of the horizontal pultruded primary traverses of the primary module is coupled thereto by means comprising:
a traverse end piece coupled to an end of each traverse of the at least one pair of parallel traverses of the secondary module, each traverse end piece comprising a pair of female apertures defined therein; and
at least two corner connectors removably coupled to the at least one of the horizontal primary traverses, each corner connector comprising at least two male components disposed on an outward facing surface of the corner connector, the at least two male components being coupled to the pair of female apertures of the traverse end piece.
15. The shelving system of claim 13 where a plurality of secondary modules each include at least one pair of horizontal parallel pultruded traverses and where one of the plurality of secondary modules is coupled to the primary module perpendicularly or at an angle to the longitudinal axis of the primary module, and wherein the at least one pair of parallel pultruded traverses of each of the plurality of secondary modules is coupled to the at least two pultruded vertical posts of the secondary module coupled in series before it to form a series of the plurality of secondary modules coupled one to another and then to the primary module.
16. The shelving system of claim 9 further comprising:
a plurality of secondary modules to form a linked series coupled to the primary module, one of the plurality of secondary modules being coupled to the primary module at an angular orientation with respect to the primary module, which angular orientation is parallel to or at a selected angular orientation with respect to the primary module; and
means for coupling each secondary module in the linked series to a preceding secondary module in the linked series at an angular orientation with respect to the preceding secondary module, which angular orientation is parallel to or at the selected angular orientation with respect to the preceding secondary module in the linked series.
17. A method of coupling a horizontal pultruded traverse to a vertical pultruded post within a shelving system comprising:
inserting two halves of a bifurcated collar into a corresponding pair notches defined within the vertical pultruded post;
sliding a traverse end piece coupled to the end of the horizontal pultruded traverse downward into engagement with the two halves of the bifurcated collar; and
capturing the traverse end piece in the bifurcated collar.
18. The method of claim 17 where sliding the traverse end piece downward into engagement with the two halves of the bifurcated collar comprises:
inserting a male component disposed on each half of the bifurcated collar into a corresponding pair of female apertures defined in the traverse end piece; and
sliding the female apertures of the traverse end piece downward about the male components of the bifurcated collar until both male components are at least partially enveloped by the female apertures.
19. The method of claim 18 where capturing the traverse end piece in the bifurcated collar comprises compressing the male components and the female apertures together, which male components and female apertures are substantially horizontally and vertically dove-tailed shaped so that any horizontal or vertical movement is prevented between the traverse end piece and the bifurcated collar.
20. The method of claim 17 further comprising automatically increasing the coupling strength between the horizontal pultruded traverse and the vertical pultruded post when a load is placed on the horizontal pultruded traverse.
21. The method of claim 19 where automatically increasing the coupling strength between the horizontal pultruded traverse and the vertical pultruded post when a load is placed on the horizontal pultruded traverse comprises:
directing the load into the vertical pultruded post by means of a pair of female apertures defined within the traverse end piece and a pair of male components disposed on the bifurcated collar; and
squeezing each half of the bifurcated collar towards each other and more tightly around the vertical pultruded post according to magnitude of the load placed on the horizontal pultruded traverse.
22. The shelving system of claim 2 where providing a supply of fiberglass rovings further comprises providing a supply of fiberglass rovings that are 70% to 80% glass.
23. The shelving system of claim 2 where saturating the fibers with a resin from the resin impregnator further comprises saturating the fibers with at least two different types of resin, a mold release, and a color load.
24. The shelving system of claim 2 where the plurality of horizontal traverses and vertical posts are comprised of 20% to 30% resin.