Provided is a carbon dioxide treatment device with improved energy efficiency in electrochemical reduction of carbon dioxide, a carbon dioxide treatment method, and a method for producing a carbon compound. In the carbon dioxide treatment device including a recovery device 1 configured to recover carbon dioxide, an electrochemical reaction device 2 configured to electrochemically reduce carbon dioxide to produce ethylene, a first concentration sensor 4A configured to measure a concentration of ethylene in a gas C obtained on a cathode side of the electrochemical reaction device 2, and a control device 5 configured to control an amount of carbon dioxide supplied to the electrochemical reaction device 2 and a voltage applied to the cathode and an anode based on the concentration of ethylene measured by the first concentration sensor 4A, the applied voltage is kept constant and the carbon dioxide supply amount is increased or decreased to control the carbon dioxide supply amount to be an amount at which the concentration of ethylene measured by the first concentration sensor 4A becomes a maximum value.

Disclosed is a method for preparing a material of plant origin rich in phenolic acids, including at least one metal, including: preparing a material of plant origin chosen from: aquatic plants; materials rich in tannins; materials rich in lignin; and obtaining a material of plant origin, rich in phenolic acids, in which the ratio of the intensity of the vibration band of the C═O bond of the COOH group and the intensity of each of the vibration bands the aromatic ring determined in FT-IR is between 0.5 and 4. The material of plant origin is brought into contact with an effluent including from 0.1 to 1000 mg/l of at least one metal, thus obtaining a material of plant origin rich in phenolic acids including from 1 to 30% by weight of at least one metal relative to the total weight of the material.

This disclosure relates to new crystalline microporous solids (including silicate- and aluminosilicate-based solids), the compositions comprising 8 and 10 membered inorganic rings, particularly those having IWV topologies having a range of Si:Al ratios, methods of preparing these and known crystalline microporous solids using certain quaternized imidazolium cation templates.

This disclosure relates to new crystalline microporous solids (including silicate- and aluminosilicate-based solids), the compositions comprising 8 and 10 membered inorganic rings, particularly those having IWV topologies having a range of Si:Al ratios, methods of preparing these and known crystalline microporous solids using certain quaternized imidazolium cation templates.

A long life catalyst is provided that is conveniently and inexpensively capable of being produced and that is highly active and has inhibited metal leakage. According to aspects of the present invention, a catalyst is provided that includes: a polymer including a plurality of first structural units and a plurality of second structural units; and metal acting as a catalytic center, wherein at least part of the metal is covered with the polymer, each of the plurality of first structural units has a first atom constituting a main chain of the polymer and a first substituent group bonded to the first atom, a second atom included in each of the plurality of second structural units is bonded to the first atom, and the second atom is different from the first atom, or at least one of all substituent groups on the second atom is different from the first substituent group.

The present disclosure generally relates to the production of fuels, gasoline additives, and/or lubricants, and precursors thereof. The compounds used to produce the fuels, gasoline additives, and/or lubricants, and precursors thereof may be derived from biomass. The fuels, gasoline additives, and/or lubricants, and precursors thereof may be produced by a combination of intermolecular and/or intramolecular aldol condensation reactions, Guerbet reactions, hydrogenation reactions, and/or oligomerization reactions.

The present invention relates to a ligand compound, an organic chromium compound, a catalyst system for ethylene oligomerization, a preparation method thereof, and an ethylene oligomerization method using the same. The catalyst system for ethylene oligomerization according to the present invention is used to prepare a low-density polyethylene in one reactor by using a small amount of comonomers such as alpha-olefin or by using only ethylene without comonomers, because it maintains high catalytic activity and high alpha-olefin selectivity even though supported on a support.

The invention relates to a reactor comprising a plasma source and a catalyst comprising a mesoporous support. The invention also relates to a process comprising feeding methane to said reactor in order to obtain one or more of ethene, hydrogen and carbon as well as downstream products derived from ethene thus obtained. The invention relates to a reactor comprising as reactor parts: a. a housing and in said housing; b. a plasma source; and c. a catalyst, wherein said catalyst comprises as catalyst parts: i) a mesoporous support; ii) a metal selected from the group Pd, Ni, Ag or at least two thereof, wherein the metal is carried by said mesoporous support; wherein at least a part of said plasma source is located in said housing upstream of said catalyst.

In an embodiment, a process for converting a hydrocarbon feed includes introducing a hydrocarbon feed comprising a C.sub.2-C.sub.50 acyclic alkane and a C.sub.3-C.sub.50 cyclic alkane to a catalyst composition in a reactor. The process further includes converting the hydrocarbon feed in the reactor under reactor conditions to a product mixture comprising at least one of a C.sub.6-C.sub.9 aromatic product or a C.sub.12+ distillate product.

In an embodiment, a process for converting a hydrocarbon feed includes introducing a hydrocarbon feed comprising a C.sub.2-C.sub.50 acyclic alkane and a C.sub.3-C.sub.50 cyclic alkane to a catalyst composition in a reactor. The process further includes converting the hydrocarbon feed in the reactor under reactor conditions to a product mixture comprising at least one of a C.sub.6-C.sub.9 aromatic product or a C.sub.12+ distillate product.