Abstract:
A process is disclosed for the preparation of an additive-containing anionic clay generally comprising the steps of: a) milling a physical mixture of a divalent metal compound and a trivalent metal compound, b) calcining the milled physical mixture at a temperature in the range of about 200 to about 8000C, and c) rehydrating the calcined mixture in aqueous suspension to form the additive-containing anionic clay, wherein an additive is optionally present in the physical mixture of step (a) and present in the aqueous suspension of step (c), and the additive is essentially free of vanadium.
Abstract:
A process for reducing the organic acid content of a crude oil feed by contacting the oil feed with an adsorbent comprising anionic clay or a heat-treated form thereof in a reactor vessel under agitation and under a flow of inert gas at a temperature in the range of 200 to 500°C.
Abstract:
A process for converting molybdenum technical oxide, partially oxidized MoS 2 or off-spec products from MoS 2 oxidation processes into a purified molybdenum trioxide product is provided, generally comprising the steps of: combining molybdenum technical oxide with an oxidizing agent and a leaching agent in a reactor under suitable conditions to effectuate the oxidation of residual MoS 2 , MoO 2 and other oxidizable molybdenum oxide species to MoO 3 , as well as the leaching of any metal oxide impurities; precipitating the MoO 3 species in a suitable crystal form; filtering and drying the crystallized MoO 3 product; and recovering and recycling any solubilized molybdenum.
Abstract translation:提供了将钼技术氧化物,部分氧化的MoS 2 O 3或非标准产物从MoS 2 O 3氧化工艺转化成纯化的三氧化钼产物的方法,通常包括以下步骤: :在合适的条件下,在反应器中将钼工业氧化物与氧化剂和浸出剂结合,以实现残余MoS 2,MoO 2,MoO 2和其它可氧化的氧化钼物质的氧化 至MoO 3 3,以及任何金属氧化物杂质的浸出; 以适当的晶体形式沉淀MoO 3 N 3物质; 过滤并干燥结晶的MoO 3 N 3产物; 并回收和再循环任何溶解的钼。
Abstract:
This invention relates to a process for the preparation of a fluid catalytic cracking catalyst with improved attrition resistance. According to this preparation process, an aqueous slurry comprising a zeolite, clay, and poly aluminum chloride is spray-dried and subsequently calcined, the poly aluminum chloride having the formula [Al 2 (OH) y Cl 6-y ] x , wherein x is at least 1 and y is greater than 2 and smaller than 4.
Abstract:
The invention relates to a process for recovering Group VIB metals from a catalyst, in particular a spent bulk catalyst, comprising one or more Group VIB metals and one or more Group VIII metals. Further, the invention relates to a solid Group VIB metal compound obtainable by the process according to the invention having the general formula H 2 XO 4 , wherein X = W 1-y Mo y , wherein y is between O and 1 and to its use in a process for the manufacture of a fresh catalyst. The process comprises the steps of: a) oxidizing the one or more Group VIB metals to one or more Group VIB metal oxides; b) separating the one or more Group VIB metal oxides from the one or more Group VIII metals; c) dissolving the one or more Group VIB metal oxides in water to produce an aqueous solution of one or more Group VIB metal oxides; d) precipitating the one or more Group VIB metal oxides from the aqueous solution by adding alkaline earth metal (Group IIa) ions to the aqueous solution; e) optionally filtering and washing the precipitate; and f) transforming the precipitate by adding an acid to form a solid metal compound comprising one or more Group VIB metals.
Abstract:
Compositions and methods suitable for removing poisonous metals from hydrocarbons are provided. The compositions comprise hydrotalcite having one or more trapping metals dispersed on the outer surface thereof.
Abstract:
Process for upgrading a liquid hydrocarbon feed comprising the steps of (a) preparing a slurry comprising the hydrocarbon feed having a boiling range above 350°C and solid particles comprising a rehydratable material, (b) thermally treating said slurry at a temperature in the range of 250 to 550°C, (c) optionally separating the thermally treated slurry into ( I) a lower boiling fraction and (ii) a higher boiling fraction containing the solid particles and formed coke, if any, and (d) separating the solid particles and formed coke, if any, from the thermally treated slurry resulting from step b) or the higher boiling fraction of step c).
Abstract:
Compositions and methods suitable for removing poisonous metals from hydrocarbons are provided. The compositions comprise hydrotalcite having one or more trapping metals dispersed on the outer surface thereof.
Abstract:
Compositions and methods suitable for removing poisonous metals from hydrocarbons are provided. The compositions comprise hydrotalcite having one or more trapping metals dispersed on the outer surface thereof.