摘要:
A pyrolysis chamber (12) includes a bath of molten salt (20) divided by a horizontally disposed baffle (22) into an upper layer (24) and a lower layer (26). Connected to one end of the chamber (12) is a furnace (14) including submerged burners (38) for heating the salt and for maintaining it in its molten state. The molten salt (20) flows from the furnace (14) across the upper bath layer (24) and back to the furnace in the lower layer (26). Hydrocarbon containing material (57) is fed onto the upper bath layer (24) and is pyrolyzed as it moves toward the discharge end (16) of the chamber (12) where the spent material is removed; the hydrocarbon gases being recovered by an exhaust system (34) in the chamber. The molten salt (20) acts as a seal between the atmosphere of the furnace (14) and the pyrolysis chamber (12) and also functions to remove pollutants from the combustion gases of the burners (38) in the furnace.
摘要:
Methods for carrying out high temperature reactions such as biomass pyrolysis or gasification using solar energy. The biomass particles are rapidly heated in a solar thermal entrainment reactor. The residence time of the particles in the reactor can be 5 seconds or less. The biomass particles may be directly or indirectly heated depending on the reactor design. Metal oxide particles can be fed into the reactor concurrently with the biomass particles, allowing carbothermic reduction of the metal oxide particles by biomass pyrolysis products. The reduced metal oxide particles can be reacted with steam to produce hydrogen in a subsequent process step.
摘要:
The present invention provides a cost-effective biomass gasification method and system for converting biomass materials into gaseous fuel, wherein the system is capable of converting at least about 50-70% of the carbon in the biomass material into gaseous carbon at a temperature lower than about 1300° F. Also provided is a highly-efficient, cost-effective biomass gasification system comprises a combustor and a gasifier with an inside diameter of at least about 36 inches and a height of at least about 40 feet.
摘要:
Compositions and methods are provided for coupling a plurality of compounds to a scaffold. Compositions and methods are further provided for catalyzing a reaction between at least one terminal alkyne moiety and at least one azide moiety, wherein one moiety is attached to the compound and the other moiety is attached to the scaffold, forming at least one triazole thereby.
摘要:
A semi automatic coke drum deheader device (22) for use on a coke drum wherein the coke drum includes an upper opening (7), a flange (6) surrounding the upper opening (7) and a first vessel cover (2) releasably attached to the flange (6). The deheader device (22) comprises a frame (34a) attached to the coke drum, a bridge (1) for supporting the first vessel cover (2) and a second vessel cover (4), a central shaft (13) having a distal end (13a). A lift assembly is attached to the frame (34a) for engaging the thrust collar (37) to selectively raise and lower the bridge (1) relative to the flange (6), and a rotational assembly is operatively connected to the central shaft (13) for rotating the bridge (1) to selectively align the first vessel cover (2) or the second vessel cover (4) above the flange (6) during the delayed coking process.