摘要:
Die vorliegende Erfindung betrifft ein Verfahren zur Herstellung von Anilin oder eines Anilinfolgeproduktes, umfassend die Schritte (I) Bereitstellen von Aminobenzoesäure, (II) Decarboxylieren der Aminobenzoesäure zu Anilin in Gegenwart eines anorganischen heterogenen Metalloxid-Katalysators enthaltend einen auf die Gesamtmasse der Metalloxide bezogenen Massenanteil an Al2O3 von 40,0 % bis 100 %, bevorzugt 50,0 % bis 100 %, besonders bevorzugt 60,0 % bis 100 %, wobei der auf die Gesamtmasse des anorganischen heterogenen Metalloxid-Katalysators bezogene Massenanteil an Al2O3 25 % bis 100 % beträgt, und (III) optional, Umsetzen des Anilins zu einem Anilinfolgeprodukt.
摘要:
Process for preparing aminated aromatic hydrocarbons that may be substituted comprising the steps of reacting an aromatic hydrocarbon with ammonia in the presence of a catalyst having a crystalline microporous structure wherein the catalyst comprises vanadium aluminophosphate molecular sieve (VAPO) and / or aluminophosphate molecular sieve (A1PO) and wherein the catalyst is preferably impregnated with nickel and/or copper, and wherein the aromatic hydrocarbon may be substituted.
摘要:
Die Erfindung betrifft ein Verfahren zur Herstellung von Nitrobenzol, bei dem man zunächst durch Nitrierung von Benzol Roh-Nitrobenzol herstellt, welches dann nacheinander in mindestens einer sog. sauren Wäsche, in mindestens eineralkalischen Wäsche und in mindestens einerneutralen Wäsche gewaschen wird, wobei man zwischen der letzten alkalischen Wäsche und der ersten neutralen Wäsche mindestens eine zusätzliche Wäsche mit einer wässrigen Lösung eines Kaliumsalzes zwischenschaltet.
摘要:
본원은 유기술폰산계 화합물 및 이의 제조방법, 이를 포함하는 도판트 및 상기 도판트를 포함하는 전도성 고분자 복합체에 관한 것으로, 보다 상세하게는 치환기를 갖는 벤젠고리에 술폰산기가 유연한 사슬로 연결된 유도체 화합물을 포함하는 도판트를 제공함으로써, 일반 용매에서의 용해도와 분산성이 증가하고 내환경성도 향상되어 전기 전도도가 증가하고 가공성은 물론 기계적 특성이 현저하게 개선되는 효과를 제공한다.
摘要:
A process for hydrogenating an aromatic nitro compound according to the invention comprises: - providing a hydrogen gas stream and a liquid aromatic nitro compound stream; - providing a fixed bed catalytic reactor having an inflow side and an outflow side; - feeding to the inflow side, the hydrogen gas stream and the liquid aromatic nitro compound stream; - converting the hydrogen gas and the aromatic nitro compound into an aromatic amine, thereby providing a reactor effluent comprising the aromatic amine and water; - evacuating the reactor effluent from the reactor at the outflow side of the reactor; wherein an inert solvent or water is fed to the inflow side of the reactor at a molar ratio of moles inert solvent or water to moles hydrogen is more than 1.
摘要:
The present invention which provides an in situ process for preparing of a catalytically active complex for the alkylation of arylamines, a catalytically active complex mixture prepared by said process, a method for separately preparing a defined catalytically active complex out of the mixture of said in situ formed catalytically active complex, the use of said in situ or separately prepared catalytically active complex for the alkylation of arylamines, and a process in the alkylation of arylamines by using said in situ or separately prepared catalytically active complex and recycling said catalytically active complex in the reaction.