Abstract:
New sulfided metal catalysts are described, containing a metal X selected from Ni, Co and mixtures thereof, a metal Y selected from Mo, W and mixtures thereof, an element Z selected from Si, Al and mixtures thereof, and possibly an organic residue, obtained by the sulfidation of mixed oxide precursors, also new, having general formula (A) XaYbZcOd.pC (A) possibly shaped without a binder, or by sulfidation of mixed oxides having formula (A), in shaped form with a binder, wherein X is selected from Ni, Co and mixtures thereof, Y is selected from Mo, W and mixtures thereof, Z is selected from Si, Al and mixtures thereof, O is oxygen, C is selected from: a nitrogenated compound N, an organic residue deriving from the partial calcination of the nitrogenated compound N, said nitrogenated compound N, when present, being selected from: a) an alkyl ammonium hydroxide having formula (I) RIRIIRIIIRIVNOH (I) wherein the groups RIRIV, the same or different, are aliphatic groups containing from 1 to 7 carbon atoms, b) an amine having formula (II) R1R2R3N (II) wherein R1 is a linear, branched or cyclic alkyl, containing from 4 to 12 carbon atoms, and R2 and R3, the same or different, are selected from H and a linear, branched or cyclic alkyl, containing from 4 to 12 carbon atoms, said alkyl being equal to or different from R1, a, b, c, d are the number of moles of the elements X, Y, Z, O, respectively, p is the weight percentage of C with respect to the total weight of the precursor having formula (A), a, b, c, d are higher than 0 a/b is higher than or equal to 0.3 and lower than or equal to 2, (a+b)/c is higher than or equal to 0.3 and lower than or equal to 10, preferably varying from 0.8 to 10 d=(2a+6b+Hc)/2 wherein H=4 when Z=Si H=3 when Z=Al and p is higher than or equal to 0 and lower than or equal to 40%. Said catalysts can be used as hydrotreating catalysts.
Abstract:
Systems and methods are provided for slurry hydroconversion of a heavy oil feedstock, such as an atmospheric or vacuum resid, in the presence of an enhanced or promoted slurry hydroconversion catalyst system. The slurry hydroconversion catalyst system can be formed from a) a Group VIII non-noble metal catalyst precursor/concentrate (such as an iron-based catalyst precursor/concentrate) and b) a Group VI metal catalyst precursor/concentrate (such as a molybdenum-based catalyst precursor/concentrate) and/or a Group VI metal sulfided catalyst.
Abstract:
Bulk metallic catalyst precursor compositions are provided that include a Group VIB metal, a Group VIII metal, an organic-compound based component, and an organo-metalloxane polymer or gel. The catalyst precursor compositions can further include a binder. Amorphous sulfided catalysts formed from the catalyst precursor compositions are also provided. The catalyst precursor compositions can have a surface area of about 20 m2/g or less.
Abstract:
Bulk metallic catalyst precursor compositions are provided that include a Group VIB metal, a Group VIII metal, an organic-compound based component, and an organo-metalloxane polymer or gel. The catalyst precursor compositions can further include a binder. Amorphous sulfided catalysts formed from the catalyst precursor compositions are also provided. The catalyst precursor compositions can have a surface area of about 20 m2/g or less.
Abstract:
The invention relates to a self-supported mixed metal sulfide (MMS) catalyst for hydrotreating hydrocarbon feedstock and to a method for preparing the catalyst. The self-supported MMS catalyst contains Ni:W in a mole ratio of 1:3 to 4:1, on a transition metal basis. The self supported MMS catalyst is characterized as having an HYD reaction rate constant of at least 15% higher than that of a catalyst comprising nickel sulfide alone or a catalyst comprising tungsten sulfide alone, when compared on same metal molar basis in hydrotreating of benzene as a feedstock at identical process conditions.
Abstract:
This invention relates to a hybrid component comprising at least one nanoparticle of inorganic layered compound (in the form of fullerene-like structure or nanotube), and at least one metal nanoparticle, uses thereof as a catalyst, (e.g. photocatalysis) and processes for its preparation.
Abstract:
A method for producing a thiometallate or selenometallate material is provided in which a first salt containing an anionic component selected from the group consisting of MoS42−, MoSe42−, WS42−, WSe42−, VS43−, and VSe43− and a second salt containing a cationic component comprising a metal in any non-zero oxidation state selected from the group consisting of Cu, Fe, Ag, Co, Mn, Re, Ru, Rh, Pd, Ir, Pt, B, Al, Ce, La, Pr, Sm, Eu, Yb, Lu, Dy, Ni, Zn, Bi, Sn are mixed under anaerobic conditions in an aqueous mixture at a temperature of from 50° C. to 150° C.
Abstract:
A method for producing a thiometallate or selenometallate material is provided in which a first salt containing an anionic component selected from the group consisting of MoS42−, MoSe42−, WS42−, WSe42−, VS43−, and VSe43−, and a second salt containing a cationic component comprising a metal in any non-zero oxidation state selected from the group consisting of Fe, Ag, Co, Mn, Re, Ru, Rh, Pd, Ir, Pt, B, Al, Ce, La, Pr, Sm, Eu, Yb, Lu, Dy, Ni, Zn, Bi, Sn, Pb, Cd, Sb, Ge, Ga, In, Au, Hg are mixed under anaerobic conditions in an aqueous mixture at a temperature of from 15° C. to 150° C.
Abstract:
The present invention relates to a method for preparing lubricating base oils by using vacuum distilled deasphalted oil, and more specifically, to a method for preparing various kinds of lubricating base oils by distilling a distillate obtained from a solvent deasphalting (SDA) process under reduced pressure to obtain heavy deasphalted oil (H-DAO) and light deasphalted (Lt-DAO) and then treating the H-DAO and the Lt-DAO by catalytic reactions, respectively. According to the present invention, it is possible to obtain heavy lubricating base oil (150BS) of a high viscosity grade which can not be obtained by a known catalytic reaction and a lubricating base oil of group III by hydrogenation, in a high yield, and thus economical efficiency is excellent.
Abstract:
This invention relates to a method of producing an aromatic hydrocarbon compound from byproducts of aromatic carboxylic acid and/or aromatic carboxylic acid alkylester preparation processes using hydroprocessing under conditions of high temperature and high hydrogen pressure in the presence of a catalyst, and to a hydroprocessing catalyst used therein.