摘要:
The reactor system (40) comprises a first reactor unit (47) with an outlet (50) for an product stream comprising a solid phase product in particulate form, and a fluidized bed reactor unit (41) provided with a particle inlet (64) coupled to the outlet of the first reactor unit (47) through a transportation pipe (60), which comprises mechanical displacement means (62) embodied as a screw and driven to rotate at a predefined rotation speed, and a densification zone (65) defined between said mechanical displacement means (62) and said particle inlet (64), in which densification zone (65), in operation, a density of the product stream is increased, said densification zone (65) defining a flow direction into said fluidized bed reactor unit (41). An unobstructed space (A) is defined in said fluidized bed reactor unit (41), the space extending from said particle inlet (64) over a distance of at least 0.4·D in said flow direction where D is the internal diameter of said fluidized bed reactor unit (41) at the level of said particle inlet (64).
摘要:
Die vorliegende Erfindung stellt eine Schutz- und Versorgungsvorrichtung (1) für einen chemischen Reaktor (2,2') und ferner eine diese umfassende Reaktorvorrichtung und ein modulares Prozesssystem bereit Die Schutz- und Versorgungsvorrichtung (1) wird durch ein Gehäuse (11) gebildet, dessen Wände doppelwandig ausgeführt sind und zumindest einen Kühlmittelein- und -auslass (112,113,19) aufweisen. Dabei ist an einer Fläche des kastenförmigen Gehäuses (11) eine verschließbare Tür (12) ausgebildet, in der zumindest eine elektrische Versorgungsvorrichtung aufgenommen ist, die mit zumindest einer innen an der Tür (12) angeordneten Steckdose (14) und zumindest einem außen an der Tür (12) angeordneten Schalter (13) zur Schaltung der zumindest einen Steckdose (14) verbunden ist. Ferner ist ein Kontaktschalter zwischen der Tür (12) und dem übrigen Gehäuse (11) vorgesehen, der mit der elektrischen Versorgungsvorrichtung verbunden ist.
摘要:
The present invention relates to a process for obtaining an olefin by metathesis comprising at least two reaction pathways, wherein - in at least one first reaction pathway at least one stream comprising at least one olefin as starting material is fed to at least one first pre-bed reactor (10) with at least one pre-bed (11) comprising at least one compound selected from the group of alkaline earth metal oxides, and the stream leaving the at least one first pre-bed reactor (10) is subsequently fed to at least one main catalyst bed reactor (30) downstream of the at least one first pre-bed reactor (10) comprising at least one main catalyst bed (31) comprising at least one first catalyst component comprising a metathesis catalyst, and at least one second catalyst component comprising a catalyst for double bond isomerisation, whereby the first and second catalyst are physically mixed with each other, and - in at least one second reaction pathway the at least one stream comprising at least one olefin as starting material is re-directed from the at least one first pre-bed reactor (10) to at least one second pre-bed reactor (20) with at least one pre-bed (21) comprising at least one compound selected from the group of alkaline earth metal oxides, and the stream leaving the at least one second pre-bed reactor (20) is subsequently fed to the at least one main catalyst bed reactor (30) downstream of the at least one second pre-bed reactor (10). Thereby, an operational temperature of the first pre-bed reactor (T 10 ) and an operational temperature of the second pre-bed reactor (T 30 ) are lower than an operational temperature of the main catalyst bed reactor (T 30 ). The present invention relates also to a reactor system for conducting said process.
摘要:
The disclosure relates to apparatuses and methods for production of polyamide polymers utilizing additive injectors. In one embodiment, an apparatus for batch production of a polyamide polymer is provided. The apparatus can include a salt strike vessel configured to produce a polyamide salt composition and an evaporator configured to reduce water content of the polyamide salt composition to produce a polymerizable polyamide composition. The apparatus can further include a first autoclave operably connected to the evaporator such that a first portion of the polymerizable polyamide composition is deliverable from the evaporator to the first autoclave, and a second autoclave operably connected to the evaporator such that a second portion of the polymerizable polyamide composition is deliverable from the evaporator to the second autoclave. The first additive injector can be associated with the first autoclave and can be configured to inject additives into the first autoclave.
摘要:
The present invention relates to a method for oxidatively converting at least one gaseous alkane, preferably a C1-C4 alkane, especially preferably methane, in at least one fluidized bed membrane reactor, which comprises at least one first inlet line (1), at least one second inlet line (3), which is present at least in some sections within the reactor in the form of a membrane (5) having at least one active membrane surface, and at least one catalyst bed (4). According to the invention, the method comprises the steps of introducing at least one first flow (1a) containing the at least one gaseous alkane into the at least one catalyst bed in the reactor by means of the at least one first inlet line (1), and introducing at least one second flow (2) containing oxygen or a gas containing oxygen into the reactor by means of the at least one second inlet line (3), wherein the second flow is introduced into the at least one catalyst bed (4) of the reactor by means of the at least one active membrane surface. The application further relates to a reactor for performing said method.
摘要:
The invention relates to a device (10) for implementing liquid/solid oxidation-reduction reactions in a fluidized bed, comprising a reactor body (1) extending along a longitudinal axis (2), a means (5) for feeding in a solution to be processed via a first end of the reactor body (1) along the longitudinal axis (2), a means (4) for feeding in a reactive metal via a second end of the reactor body (1) opposite the first end along the longitudinal axis (2), a means for agitating the solution in the reactor body (1), and a finishing compartment (7) mounted at the second end of the reactor body and connected to a means (6) for discharging the processed solution. The reactor body (1) comprises two separate reaction chambers (8, 9), each reaction chamber having a constant cross-section perpendicular to the longitudinal axis (2), wherein the cross-sections of the two reaction chambers (8, 9) are different and increase from the first end to the second end.