Abstract: The present invention relates to an acrylic acid production equipment which includes a raw material gasification apparatus for converting liquefied propylene into a propylene gas; an oxidation reaction apparatus for converting the propylene gas into crude acrylic acid; and a purification apparatus for converting the crude acrylic acid into acrylic acid, wherein the raw material gasification apparatus includes a heating apparatus in the inside thereof and also includes a heating apparatus in the periphery including at least a bottom of the raw material gasification apparatus, by which not only energy can be effectively utilized, but also it is possible to achieve a stopping operation efficiently and within a short time.

Abstract: This present disclosure relates to apparatuses for methylation of aromatics in an aromatics complex for producing a xylene isomer product. More specifically, the present disclosure relates to apparatuses for producing para-xylene by the selective methylation of toluene and/or benzene in an aromatics complex using processed toluene instead of crude toluene.

Abstract: A process for producing transport fuel blendstocks comprises providing a first feedstock comprising butane and propane and a second feedstock comprising benzene and dehydrogenating the first feedstock in a first reactor to produce a C4 product comprising butane and butene and a C3 product comprising propane and propylene. The process also comprises oligomerizing the C4 product in a second reactor to produce a first transport fuel blendstock and alkylating the C3 product with the second feedstock in a third reactor to produce a second transport fuel blendstock.

Abstract: A continuous chemical reactor may include a primary reaction unit and at least one secondary reaction unit. The primary reaction unit has a stirring device and a first temperature regulating device, and a feed inlet provided at an upper portion thereof. The secondary reaction unit is sleeved outside the primary reaction unit, and a reaction chamber is formed therebetween. By adding reaction materials to the primary reaction unit via the feed inlet and adjusting the temperature of the reaction materials by the first temperature regulating device, the reacted materials enter the reaction chamber, and the heat generated in the reaction chamber can be used to adjust the temperature of the materials in the primary reaction unit to more effectively use the heat, and the product after reaction can be discharged from a discharge hole at the lower end of the secondary reaction unit, thereby achieving continuous production.

Abstract: Disclosed is a dual pressure plant for the production of nitric acid on the basis of the oxidation of ammonia. The plant comprises a reactor configured to produce a burner gas stream; a gas cooling section configured to form a cooled burner gas; a condensation section configured to form an aqueous nitric acid condensate and an uncondensed nitrogen oxides gas stream; an absorption section configured to produce raw nitric acid and a tail gas; and a tail gas treatment system configured to form a purified tail gas. In a tail gas heating section a further heat exchanger configured to receive heat from the burner gas stream, said further heat exchanger being positioned relatively close to the reactor.

Abstract: A reactor system for high throughput applications includes a plurality of reactor assemblies, each reactor assembly including: a fluid source, which fluid source is adapted to provide a pressurized fluid to the flow-through reactors, a flow splitter which flow splitter includes a planar microfluidic chip, which microfluidic chip has a chip inlet channel and a plurality of chip outlet channels, which microfluidic chip further includes a plurality of flow restrictor channels, where each flow restrictor channel extends from said chip inlet channel to an associated chip outlet channel, where the chip inlet channel and the chip outlet channels each have a diameter, where the diameter of the chip inlet channel is the same or less than the length of said chip inlet channel and where the diameter of each chip outlet channel is the same or less than the length of said chip outlet channel.

Abstract: The invention provides a skin disinfectant for treating skin with eczema, preventing bacterial proliferation, and removing biofilm. Compositions of the invention include hypochlorous acid, acetic acid, water, and one or more additives or excipients. The formulation process removes metal ions, reduces ionic strength, controls pH, and reduces exposure to air, thus improving stability and lengthening shelf-life.

Abstract: A thermochemical treatment system for plastic and/or elastomeric waste is described, having three Reaction Units (1), (2) and (3) connected in series, being performed in each Reaction Unit, under positive pressure and low temperature (between 200° C. and 660° C.), one step of the thermochemical treatment process of the plastic and/or elastomeric waste without pretreatment (grinding, washing and drying), through the indirect heating by molten salt coils (5), with the generation of a solid fraction which is continuously drained by an outlet (104); a gas fraction which is treated in a Gas Scrubbing Unit (10) for release into the atmosphere, and a liquid fraction (molten plastic) which is subjected to an endothermic reaction under positive pressure (between 2 and 10 bar) and at temperature above 300° C.

Abstract: A process includes reacting, in a reactor having a fixed bed containing a solid catalyst which contains a heterogeneous ion exchange resin, hydrogen sulfide and ethylene oxide in the presence of the solid catalyst to yield a reaction product which contains beta-mercaptoethanol. A reactor system includes the reactor, an ethylene oxide stream, a hydrogen sulfide stream, a fixed bed containing the solid catalyst placed in the reactor, and an effluent stream containing the reaction product. During steady state operation of the reactor in the process and the reactor system, the hydrogen sulfide and the ethylene oxide are present in a mole ratio in a range of about 9:1 to about 20:1.

Abstract: The invention is directed to the use of an upflow reactor for producing a dihydroxy compound, to a method for producing a dihydroxy compound, and to a method for manufacturing polycarbonate. The upflow reactor for producing a dihydroxy compound of the invention comprises: a vessel; a catalyst bed disposed in said vessel; a distributor in fluid communication with an inlet through which reactants are introduced to said distributor, said distributor being disposed at a lower end of said vessel and comprising distributor perforation(s) disposed in said distributor, at least part of which distributor perforations are in a direction facing away from said catalyst bed; and a collector through which said product dihydroxy compound is removed, said collector being disposed at an upper end of said vessel.

Abstract: A micro-channel reaction apparatus includes a first mixing device and a first jetting device. The first mixing device includes a first inflow channel and a second inflow channel respectively used to direct a first fluid and a second fluid into the micro-channel reaction apparatus. The first jetting device includes a first tapering portion and a first flared portion, wherein one end of the first tapering portion is connected to the first inflow channel and the second inflow channel; another end of the first tapering portion is connected to the first flared portion; and the first tapering portion has a contract ratio of inner diameter ranging from 0.1 to 0.75.

Abstract: A method and apparatus for producing activated carbon from biomass or other solid carbonaceous feed within a housing containing boiler components, by spatial separation of drying, pyrolysis and activation zones as the feed is conveyed across the bottom of the housing, such that the thermal requirements for drying, pyrolysis, and activation of the solid carbonaceous feed occur by direct radiation from the combustion flame located above the drying, pyrolysis and activation zones. The balance of the heat not required for drying, pyrolysis, and activation is used to vaporize and superheat steam as part of a conventional steam/electric power plant.

Abstract: The invention relates to a processing system comprising at least one pressurization device; at least one separation device; at least one conversion section; at least one valve unit between the at least one pressurization device and the at least one conversion part; at least one valve unit between the at least one conversion part and the at least one separation unit; where the conversion section comprises at least two parallel conversion units; where each conversion unit comprises at least one heating device, at least one reactor device, and at least one cooling device.

Abstract: The invention relates to a reactor for cracking hydrocarbons wherein the reactor has inner wall; characterized in that the inner wall comprises a plurality of concave dimples embedded in a surface of said inner wall.

Abstract: There is provided a fuel tank inerting system for an aircraft which comprises a catalytic heat exchanger. The catalytic heat exchanger comprises a first flow path and a second flow path for heat exchange with the first flow path. The system also comprises a refrigerant circuit comprising at least the second flow path so that during use refrigerant in the refrigerant circuit is in heat exchange with the first flow path.

Abstract: Control of the flow of granular polysilicon granules is effected by employing an elastomeric pinch sleeve valve. The flow control by this method is especially useful for controlling the flow of silicon seed particles and granular polysilicon product in the fluidized bed method for producing polysilicon. The flow may be stopped without gas leakage, and is suitable for use over long operating campaigns.

Abstract: Device for distributing a light fluid phase (2) in a heavy phase (4) in the fluidized state in a reaction chamber (5), comprising: a pipe (1) for transporting the light fluid phase; first and second windows (7, 8) created in the pipe, the second windows opening into the reaction chamber; and branches (6) extending each first window and splitting into: a central passage opening into the reaction chamber via an intermediate window (9) created in the upper wall of the branch (6); and at least two distinct lateral branches forming two lateral passages (10) opening into the reaction chamber via end-of-branch windows (11).

Abstract: The present invention relates to decreasing the amount of diluent needed to convert a heavy oil to a bitumen product that can be transported by pipeline. More specifically, the invention relates to a method and apparatus for partially upgrading heavy oil into a lower viscosity bitumen product.

Abstract: In various embodiments, a microreactor features a corrosion-resistant microchannel network encased within a thermally conductive matrix material that may define therewithin one or more hollow heat-exchange conduits.

Abstract: Disclosed herein are systems and processes which prevent fouling of a reactor inlet of an oligomerization reactor. The systems and processes involve placement of an inlet sleeve around at least a portion of a reactor inlet such that a curtain of inert material flows through an annular space coaxially with respect to an outer surface of the end of the reactor inlet and into the reactor.