摘要:
An aliphatic mono-olefin e.g. butene-2 is isomerized in the presence of a catalyst comprising zirconium phosphate and zirconium phosphate prepared from an aryl phosphonic acid to produce a corresponding terminal olefin selectively.
摘要:
Synthesis of ammonia employing at least one salt selected from alkali metal-, an alkaline earth metal-, iron- and cobalt hexacyanocobaltate and hexacyanoruthenate on a suitable support and then heating the composition to provide it with suitable activity.
摘要:
Organic hydroperoxides are prepared by reacting an organic compound with oxygen in the presence of a novel catalyst comprising metallic silver supported upon an inorganic support selected from the oxides and carbonates of metals of Groups IIa, IIb, IIIb, and IVb.
摘要:
Contaminants such as petroleum sulfonates, anticorrosion amines, and silicone oils are removed from a contaminated feedstock stream by contacting said feedstock stream with an adsorbent comprising bauxite. In a further aspect, a thus purified petroleum feedstock stream is hydrodesulfurized.
摘要:
An integrated process universally applicable for the reclaiming of used lubricating oils, regardless of the contaminants or previous additive systems contained therein, is provided to produce an intermediate low-ash oil or a high-grade lube oil stock which comprises (a) contacting the used oil with an aqueous ammonium salt treating agent, (b) removing a major portion of water, (c) separating the oil phase from the resulting residual product, (d) subjecting the resulting separated oil to hydrotreating and thereafter (e) stripping the resulting hydrotreated lube oil stock. Optionally the low-ash product of step (c) can be recovered for use as a fuel oil, in grease formulations, or in the preparation of some types of lubricating oil formulations.
摘要:
A process for reducing the ash content and the content of metals present in used motor oils by contacting the used motor oil with an aqueous solution of ammonium sulfate and/or ammonium bisulfate under conditions to react with the metal compounds present to form separable solids. In another embodiment of the invention, the used motor oil after reaction with an aqueous solution of ammonium sulfate and/or ammonium bisulfate can be further treated with an adsorbent and then optionally hydrotreated to produce an oil product suitable as a fuel or as a feedstock for lubricating oil compositions.
摘要:
Compositions and methods for preparing mesostructured zeolites having improved hydrothermal stability. Such mesostructured zeolites can be prepared by subjecting a zeolite to rare earth ion exchange prior to and/or subsequent to introducing mesoporosity into the zeolite.
摘要:
A process for hydrogenating highly unsaturated hydrocarbons to less unsaturated hydrocarbons wherein production of saturated hydrocarbons is minimized. The process utilizes catalyst including Ce2O3, MgO, and an inorganic support, and optionally palladium, optionally silver, and/or an optional alkali metal.
摘要翻译:将高度不饱和烃氢化成较不饱和烃的方法,其中饱和烃的产生最小化。 该方法使用包括Ce 2 O 3,MgO和无机载体的催化剂,以及任选的钯,任选的银和/或任选的碱金属。
摘要:
A composition, containing vanadium and a support, wherein at least a portion of the vanadium has crystallite sizes of less than about 100 Å as determined by an analytical method such as X-Ray Diffraction, is disclosed. A method of preparing such composition is also disclosed. The composition is employed in a process to remove a heavy metal from a gaseous feed stream which can optionally include a separate mercury adsorption stage.
摘要:
A composition comprising a vanadium oxide compound and an alkali metal promoter loaded onto a porous support material is disclosed. Methods of making and using the composition to remove heavy metals or heavy metal containing compounds from a fluid stream are also provided. Such methods are particularly useful in the removal of mercury and mercury compounds from flue gas streams produced from the combustion of hydrocarbon-containing materials such as coal and petroleum fuels.