B01J19/18

PRODUCTION OF N-PENTANAL FROM LOW-BUTENE FEEDSTOCK MIXTURES

The invention is concerned with the issue of how to produce n-pentanal by hydroformylation from feedstock mixtures comprising a small proportion of n-butene and a large proportion of n-butane. Specifically, solutions for further optimizing established processes for hydroformylation of such low-butene mixtures in terms of material utilization are sought. The present invention has for its object to enhance the material utilization of the feedstock mixture in the production of n-pentanal from feedstock mixtures having a small proportion of n-butene and a large proportion of n-butane. The process shall be capable of economic operation on an industrial scale. In particular an existing oxo plant shall be honed to achieve better raw material utilization. This object is achieved by a combination of a hydroformylation and a dehydrogenation, wherein said combination has the special feature that the dehydrogenation is arranged after the hydroformylation in the downstream direction and is thus markedly smaller than conventional dehydrogenations provided upstream. A skillful product removal effectively removes contaminants formed in the process.

Reactor systems

This disclosure relates to equipment utilized to manufacture chemical agents, particularly biopharmaceuticals. In some embodiments, reactor systems comprising a mobile carriage assembly; a disposable reaction container removably attached to the carriage assembly; and, a carriage holder into which the mobile carriage assembly may be removably inserted are provided.

Reactor systems

This disclosure relates to equipment utilized to manufacture chemical agents, particularly biopharmaceuticals. In some embodiments, reactor systems comprising a mobile carriage assembly; a disposable reaction container removably attached to the carriage assembly; and, a carriage holder into which the mobile carriage assembly may be removably inserted are provided.

PROCESS TO FORM OIL CONTAINING ETHYLENE-BASED POLYMERS

The invention provides a process to form a composition comprising at least one ethylene-based polymer and at least one oil, said process comprising the following: polymerizing a mixture comprising ethylene, and optionally one or more comonomers, in a reactor system, comprising at least one reactor and at least one mixer, located downstream from the reactor, to form the ethylene-based polymer; and wherein the oil is added to the ethylene-based polymer upstream of the mixer. The invention also provides a reactor system for a process to form a composition comprising at least one ethylene-based polymer and at least one oil, said reactor system comprising at least one reactor, at least one mixer, and an oil feed into the ethylene-based polymer, and wherein the oil feed is located after the reactor and before the mixer.

PROCESS TO FORM OIL CONTAINING ETHYLENE-BASED POLYMERS

The invention provides a process to form a composition comprising at least one ethylene-based polymer and at least one oil, said process comprising the following: polymerizing a mixture comprising ethylene, and optionally one or more comonomers, in a reactor system, comprising at least one reactor and at least one mixer, located downstream from the reactor, to form the ethylene-based polymer; and wherein the oil is added to the ethylene-based polymer upstream of the mixer. The invention also provides a reactor system for a process to form a composition comprising at least one ethylene-based polymer and at least one oil, said reactor system comprising at least one reactor, at least one mixer, and an oil feed into the ethylene-based polymer, and wherein the oil feed is located after the reactor and before the mixer.

PROCESS AND APPARATUS FOR SYNTHESIZING MULTIWALL CARBON NANOTUBES FROM HIGH MOLECULAR POLYMERIC WASTES
20220055902 · 2022-02-24 · ·

This invention relates to a process and an apparatus for synthesizing multiwall carbon nanotubes from high molecular polymeric wastes. The process comprises using induction heating in combination with catalytic chemical vapour deposition (CVD) with an array of catalytic materials to synthesize high value carbon nanotubes with better yield and purity from high molecular polymeric wastes.

SYNTHESIS METHOD AND SYNTHESIS DEVICE FOR CYCLODODECENE
20220055970 · 2022-02-24 ·

A synthesis method and a synthesis device of cyclododecene according to the present invention have a high conversion rate of cyclododecatriene which is a reactant and a high selectivity of cyclododecene which is a required product, and even so, have an effect of significantly decreasing a reaction time. In addition, the method and the device have an excellent conversion rate of cyclododecatriene and an excellent selectivity of cyclododecene, while maintaining excellent reactivity without an organic solvent such as ethanol. Therefore, a volume of the reactor relative to an output of cyclododecene may be further decreased. Moreover, the method and the device may minimize costs for facilities and process, are practical, decrease a process time, and are industrially advantageous for mass production as compared with the conventional art.

METHOD FOR PRODUCING ORGANIC COMPOUND

Provided is a method for producing an organic compound, the method making it possible to ensure an adequate reaction time and obtain a targeted substance at a high yield even in an organic reaction that requires a relatively long time to complete the reaction. A method for producing an organic compound, wherein the method is characterized in that: a fluid processing apparatus F used in the production method is equipped with an upstream processing unit that processes a fluid to be processed between at least two processing surfaces 1 and 2 that relatively rotate, and a downstream processing unit disposed downstream of the upstream processing unit, the downstream processing unit being provided with a plurality of labyrinth seals that function to retain and stir the fluid to be processed that has been processed by the upstream processing unit; due to the fluid to be processed, which contains at least one type of organic compound, being passed through the upstream processing unit, the fluid to be processed is subjected to upstream processing; due to the fluid to be processed that has been subjected to upstream processing being passed through the downstream processing unit, the fluid to be processed that has been subjected to upstream processing is subjected to downstream processing; and the upstream processing and the downstream processing are performed continuously.

METHOD FOR PRODUCING ORGANIC COMPOUND

Provided is a method for producing an organic compound, the method making it possible to ensure an adequate reaction time and obtain a targeted substance at a high yield even in an organic reaction that requires a relatively long time to complete the reaction. A method for producing an organic compound, wherein the method is characterized in that: a fluid processing apparatus F used in the production method is equipped with an upstream processing unit that processes a fluid to be processed between at least two processing surfaces 1 and 2 that relatively rotate, and a downstream processing unit disposed downstream of the upstream processing unit, the downstream processing unit being provided with a plurality of labyrinth seals that function to retain and stir the fluid to be processed that has been processed by the upstream processing unit; due to the fluid to be processed, which contains at least one type of organic compound, being passed through the upstream processing unit, the fluid to be processed is subjected to upstream processing; due to the fluid to be processed that has been subjected to upstream processing being passed through the downstream processing unit, the fluid to be processed that has been subjected to upstream processing is subjected to downstream processing; and the upstream processing and the downstream processing are performed continuously.

OPTIMIZED PROCESS FOR PREPARING METHACRYLIC ACID

The present invention relates to an optimized process for preparing methacrylic acid, wherein methacrolein is prepared in a first stage from propionaldehyde and formaldehyde by means of a Mannich reaction and oxidized in a second stage to methacrylic acid. More particularly, the present invention relates to the reduction in the amounts of catalyst to be used in the first stage, especially to the reduction in the amounts of acid to be used here, by virtue of the additional installation of recycling streams suitable for the purpose.