公开(公告)号：US3920744A

公开(公告)日：1975-11-18

申请号：US42850773

申请日：1973-12-26

Applicant: TEXACO INC

Inventor： SUGGITT ROBERT M ,  GATES JR WALTER C

IPC: C07B61/00 ,  B01J23/00 ,  C07C20060101 ,  C07C67/00 ,  C07C201/00 ,  C07C205/02 ,  C07C209/00 ,  C07C209/34 ,  C07C211/03 ,  C07C87/04 ,  C07C87/127 ,  C07C87/14

CPC classification number: B01J27/22

Abstract: A process is provided for producing amines from paraffin feedstocks containing sulfur impurities deleterious to nitration and hydrogenation of the paraffin to amines by nitrating a paraffin charge substantially free of sulfur compounds to produce a mixture containing paraffin, nitroparaffin and by-products, hydrogenating the nitroparaffin in the mixture to an amine, recovering the amine from the paraffin and by-products, introducing and hydrogenating a paraffin feedstock containing substantial amounts of sulfur compounds, hydrogenating the mixture of paraffin and by-products, and recycling the hydrogenated feedstock and hydrogenated mixture as paraffin charge to the nitration step.

公开(公告)号：US3923893A

公开(公告)日：1975-12-02

申请号：US42863973

申请日：1973-12-26

Applicant: TEXACO INC

Inventor： GATES JR WALTER C ,  SUGGITT ROBERT M ,  HUDSON JR RALPH B

IPC: C07C7/163 ,  C07C85/11 ,  C07C85/00 ,  C07C87/04

CPC classification number: C07C7/163 ,  C07C9/00

Abstract: A process for producing secondary alkyl primary amines from nparaffins where a portion of the paraffin is nitrated to nitroparaffin along with the formation of nitrated and oxygenated by-products, where the nitroparaffin is essentially completely hydrogenated to the amine, and where the amine is separated from a mixture composed of unreacted paraffin and by products, which comprises catalytically hydrogenating the mixture composed of paraffin and by-products in the presence of a catalyst composed of alumina and a Group VIII metal at a temperature of from about 600* to 750*F. and recycling the hydrogenated product for nitration with the n-paraffin.

Abstract translation: 一种从正链烷烃生产仲烷基伯胺的方法，其中一部分石蜡被硝化为硝基链烷烃，同时形成硝化和含氧副产物，其中硝基石蜡基本上完全氢化成胺，其中胺是 从由未反应的石蜡和产物组成的混合物中分离，其包括在约600至750℃的温度下，在由氧化铝和Ⅷ族金属组成的催化剂存在下，将由石蜡和副产物组成的混合物进行催化氢化 并将氢化产物再循环用于与正链烷烃硝化。

公开(公告)号：US3917706A

公开(公告)日：1975-11-04

申请号：US42864173

申请日：1973-12-26

Applicant: TEXACO INC

Inventor： HUDSON JR RALPH B ,  GATES JR WALTER C

IPC: C07B61/00 ,  B01J21/04 ,  B01J23/00 ,  B01J23/74 ,  C07C20060101 ,  C07C67/00 ,  C07C201/00 ,  C07C205/02 ,  C07C209/00 ,  C07C209/34 ,  C07C211/03 ,  C07C85/11 ,  C07C85/00 ,  C07C87/04

CPC classification number: B01J27/22

Abstract: A process for producing secondary alkyl primary amines from nparaffins where a portion of the paraffin is nitrated to nitroparaffin along with the formation of nitrated and oxygenated by-products, where the nitroparaffin is substantially hydrogenated to the amine, and where the amine is separated from a mixture composed of unreacted paraffin, nitroparaffin, and by products, which comprises catalytically hydrogenating the mixture composed of paraffin, nitroparaffin and by-products in a plurality of zones where the initial hydrogenation is conducted at a temperature of from about 250* to 500*F., where hydrogenation in a subsequent zone is conducted at a temperature of from about 600* to 750*F. and recycling the hydrogenated product for nitration with the n-paraffin.

Abstract translation: 一种从正链烷烃制备仲烷基伯胺的方法，其中一部分石蜡被硝化为硝基链烷烃，同时形成硝基和氧化的副产物，其中硝基石蜡基本上被氢化成胺，并且其中胺被分离 从由未反应的石蜡，硝基石蜡和副产物组成的混合物，其包括在多个区域中催化氢化由石蜡，硝基石蜡和副产物组成的混合物，其中初始氢化在约250℃至500℃的温度下进行 DEG，其中在随后的区域中的氢化在约600至750°F的温度下进行，并将氢化产物用正链烷烃再次进行硝化。