公开(公告)号：KR1020000052763A

公开(公告)日：2000-08-25

申请号：KR1019997003570

申请日：1997-10-17

Applicant: 솔루티아인코포레이티드

Inventor： 모니칼발레리에스. ,  스타인마이어다니엘이. ,  워드그레고리

IPC: C07C253/34

CPC classification number: C07C253/26 ,  C07C253/34 ,  C07C255/08

Abstract: PURPOSE: Provided are recovery and purification of acrylonitrile made by catalytic ammoxidation of propylene. CONSTITUTION: In a process for purifying acrylonitrile, an ammoxidation reactor effluent containing acrylonitrile and impurities is contacted in a quench system with an aqueous quench liquid; the improvement characterized in that the quench liquid contains less than 5000 ppm by weight high boiling organic compounds. In process for purifying acrylonitrile, the process comprises contacting an ammoxidation reactor effluent containing acrylonitrile and impurities in a quench system with an aqueous quench liquid; removing a gaseous effluent from the quench system and absorbing the gaseous effluent in water in an absorption column to form an aqueous solution; feeding the aqueous solution to an extractive distillation column having a plurality of trays; introducing water above the feed point of the aqueous solution and performing an extractive distillation to produce an overhead stream containing acrylonitrile and a bottom stream containing water and impurities; feeding the bottom stream from the extractive distillation column to a stripper column containing a plurality of stripper trays, removing water and high boiling organic compounds as a bottom stream from the stripper column, removing a water containing distillate as an overhead stream from the stripper column, and recycling distillate water to the quench column, the improvement characterized in that the recycled distillate contains less than 5000 ppm by weight high boiling organic compounds.

Abstract translation: 目的：提供通过丙烯催化氨氧化制备的丙烯腈的回收和纯化。 构成：在纯化丙烯腈的方法中，将含有丙烯腈和杂质的氨氧化反应器流出物在骤冷系统中与水性骤冷液接触; 其改进之处在于骤冷液含有低于5000ppm的高沸点有机化合物。 在净化丙烯腈的过程中，该方法包括使含有丙烯腈的氨氧化反应器流出物和骤冷系统中的杂质与水性骤冷液接触; 从骤冷系统中除去气态流出物并吸收吸收塔中的水中的气态流出物以形成水溶液; 将所述水溶液进料到具有多个塔盘的萃取蒸馏塔中; 将水引入水溶液的进料点之上并进行萃取蒸馏以产生含有丙烯腈的塔顶物流和含有水和杂质的塔底物流; 将来自萃取蒸馏塔的底部料流进料到含有多个汽提塔的汽提塔，从汽提塔中除去水和高沸点有机化合物作为底部物流，从汽提塔中除去含水馏出物作为塔顶馏出物， 并将馏出物再循环到骤冷塔中，其改进之处在于回收的馏出物含有低于5000ppm重量的高沸点有机化合物。

公开(公告)号：KR100498803B1

公开(公告)日：2005-07-01

申请号：KR1019997003570

申请日：1997-10-17

Applicant: 솔루티아인코포레이티드

Inventor： 모니칼발레리에스. ,  스타인마이어다니엘이. ,  워드그레고리

IPC: C07C253/34

CPC classification number: C07C253/26 ,  C07C253/34 ,  C07C255/08

Abstract: 아크릴로니트릴의 제조공정에서의 급냉 시스템의 오염율은 급냉 시스템으로의 수성 재순환 스트림 중의 고비점 유기 화합물의 수준을 낮게 유지시킴으로써 감소된다.

公开(公告)号：KR1020050027341A

公开(公告)日：2005-03-21

申请号：KR1020030063571

申请日：2003-09-15

Applicant: 솔루티아인코포레이티드

Inventor： 모니칼발레리에스.

IPC: F23D14/18

Abstract: A method for decreasing radiation of NOx is provided to reduce emission of NOx by contacting nitryl compound to waste steam, auxiliary fuel stream and air at optimal temperature within a combustion area. Emission of NOx among exhaust gas in a stationary combustion system is decreased by contacting a kind of nitryl compound or more to absorber off-gas stream, auxiliary fuel stream and air at proper temperature for decreasing radiation of NOx within a combustion area of the combustion system. Nitryl is selected among nitryl compound displayed with a chemical formula of R-CN, and R is selected among hydrogen, aliphatic hydrocarbon radical, alicyclic hydrocarbon radical or aromatic hydrocarbon radical. Nitryl is added to the stationary combustion system by additional liquid supply stream, and the stationary combustion system is formed of a furnace.

Abstract translation: 提供减少NOx辐射的方法，以通过在燃烧区域内以最佳温度将硝基化合物与废蒸汽，辅助燃料流和空气接触来减少NOx的排放。 通过在适当的温度下接触一种硝基化合物或更多的吸收剂废气流，辅助燃料流和空气以减少燃烧系统的燃烧区域内的NOx的辐射来减少固定燃烧系统中的废气中的NOx的排放 。 硝基选自硝基化合物，其化学式为R-CN，R选自氢，脂族烃基，脂环族烃基或芳族烃基。 通过额外的液体供应流将硝基添加到固定燃烧系统中，并且固定燃烧系统由炉形成。

公开(公告)号：KR100999006B1

公开(公告)日：2010-12-09

申请号：KR1020030063571

申请日：2003-09-15

Applicant: 솔루티아인코포레이티드

Inventor： 모니칼발레리에스.

IPC: F23D14/18

Abstract: 본 발명은 고정 연소(stationary combustion) 장치의 연소 유출물 내 산화질소(NO
x ) 방출 감소를 위한 비촉매(non-catalytic) 방법을 제공하며, 이 방법은 연소 장치의 연소 구역 내에서 연소 유출물 내 NO
x 방출을 감소시키기에 충분한 온도에서 1 종 이상의 니트릴 화합물의 유효량을 폐스트림, 보조 연료 스트림 및 공기와 접촉시키는 단계를 포함한다.