Disclosed are systems and processes for distributing reactor coolant flow to the cooling jackets of a loop slurry reactor, where the reactor coolant is used to control the temperature of the loop slurry reactor in olefin polymerization. Also disclosed are systems and processes for controlling the temperature of the reactor coolant that is used for cooling olefin polymerization reactors, which can be used in combination with traditional coolant distribution regimes and in combination with the coolant distribution systems and processes that are disclosed herein.

An ultra-low-speed rotating low-strain high-filling-rate hydrogen alloy automatic absorption-desorption reaction device includes a shell, a hydrogen storage reaction bed, a motor, a controlling and monitoring system, a wire inlet port, a hydrogen absorption and desorption port, and a universal angle wheel. The reaction bed is circular, rotating at a low speed under driving of a light ultra-low speed motor; facades on two sides of the reaction bed are respectively provided with a transmission shaft and the hydrogen absorption and discharge port which are respectively connected with an ultra-low-speed gear reduction motor or a high-pressure hydrogen storage tank and a hydrogen-consuming device; the reaction bed includes a hydrogen storage metal alloy, a heat-conducting anti-hardening filling material, and a phase change material; a shell of the alloy reaction bed has a heater and an external side surface of a hydrogen storage alloy reaction device has a PLC controlling and monitoring system.

The present disclosure provides a method for preparing a transition metal lithium oxide, comprising steps of: A) mixing a lithium salt and a transition metal compound, and performing a pretreatment to obtain a precursor; wherein the pretreatment temperature is 100-300° C.; and the pretreatment time is 1-10 h; B) precalcining the precursor to obtain an intermediate; and C) continuously feeding the intermediate into a feed port of a moving bed reactor, and calcining, to obtain a transition metal lithium oxide. In the present disclosure, a pretreatment process is performed before the precalcination, and the pretreatment temperature and time are further limited, thereby solving the problem of material hardening during the calcination process of battery materials. In conjunction with using a moving bed reactor, the gas phase and the solid phase are sufficiently contacted, and at the same time the thickness of the filler is increased, the productivity is enhanced and the oxygen consumption is largely decreased at the same time. The present disclosure further provides an apparatus for preparing a transition metal lithium oxide.

An apparatus for producing water-absorbing resin particles for which surface cross-linking treatment is conducted, the surface cross-linking treatment being conducted by spraying a surface cross-linking agent to a water-absorbing resin particle precursor and heating the agent and the precursor, the apparatus includes a treatment container in which the surface cross-linking treatment is conducted, a stirring device including a stirring member disposed in the treatment container, a heating device that heats an inside of the treatment container; and a spray nozzle disposed in the treatment container, the spray nozzle spraying into the treatment container the surface cross-linking agent supplied from a surface cross-linking agent supply source in an exterior of the treatment container through a supply pipe. In a flow path in the spray nozzle spanning from an entrance of the spray nozzle to a spray exit, a point whose opening cross-section is smallest in a flow path through which a fluid passes is the spray exit. A product with further stable physical properties can thereby be acquired.

The invention relates to a reaction container for stabilizing the temperature of a liquid mixture substances, the reaction container comprising an upper container part and a lower container part, in which the lower container part has an inner direct means of refrigeration and an outer indirect means of refrigeration in addition to an inner, direct means of heating and an outer, indirect means of heating.

Systems and methods for making ceramic powders configured with consistent, tailored characteristics and/or properties are provided herein. In some embodiments a system for making ceramic powders, includes: a reactor body having a reaction chamber and configured with a heat source to provide a hot zone along the reaction chamber; a sweep gas inlet configured to direct a sweep gas into the reaction chamber and a sweep gas outlet configured to direct an exhaust gas from the reaction chamber; a plurality of containers, within the reactor body, configured to retain at least one preform, wherein each container is configured to permit the sweep gas to flow therethrough, wherein the preform is configured to permit the sweep gas to flow there through, such that the precursor mixture is reacted in the hot zone to form a ceramic powder product having uniform properties.

The present invention provides an improved photochemical rector assembly device, particularly a light emitting diode (LED) based small photochemical reactor and methods for performing the photochemical transformations using the instantly presented device. Accordingly, the present invention relates to an improved photochemical transformation reaction by exposing the reaction mixture to a photochemical rector device as shown in fig. A-G, comprising of (i) light emitting diode (LED) panel (1), (ii) Aluminium based heat sink, and (iii) cooling fan.

A naphtha reforming reactor system comprising a first reactor comprising a first inlet and a first outlet, wherein the first reactor is configured to operate as an adiabatic reactor, and wherein the first reactor comprises a first naphtha reforming catalyst; and a second reactor comprising a second inlet and a second outlet, wherein the second inlet is in fluid communication with the first outlet of the first reactor, wherein the second reactor is configured to operate as an isothermal reactor, and wherein the second reactor comprises a plurality of tubes disposed within a reactor furnace, a heat source configured to heat the interior of the reactor furnace; and a second naphtha reforming catalyst disposed within the plurality of tubes, wherein the first naphtha reforming catalyst and the second naphtha reforming catalyst are the same or different.

Provided is a continuous reactor system for producing graphene or an inorganic 2-D compound, the reactor comprising: (a) a first body comprising an outer wall and a second body comprising an inner wall, wherein the inner wall defines a bore and the first body is configured within the bore and a motor is configured to rotate the first and/or second body; (b) a reaction chamber between the outer wall of the first body and the inner wall of the second body; (c) a first inlet and a second inlet disposed at first end of the reactor and in fluid communication with the reaction chamber; (d) a first outlet and a second outlet disposed downstream from the first inlet, the outlets being in fluid communication with the reaction chamber; and (e) a flow return conduit having two inlets/outlets in fluid communication with two ends of the reactor.

A process for producing olefins may include dehydrogenating a first alkane in a first reactor to produce a first effluent comprising at least one of a first n-olefin or a first diolefin; removing the first effluent from the first reactor; and regenerating the first reactor. The first reactor may include a first dehydrogenation catalyst and a first phase change material.