公开(公告)号：US4569750A

公开(公告)日：1986-02-11

申请号：US675372

申请日：1984-11-27

申请人： Darrell W. Brownawell ,  Antonio Gutierrez ,  Stanley J. Brois ,  Donald F. Jacques ,  Gary L. Behelfer ,  Thomas M. Ferrell ,  Stephan Ilnyckyj

发明人： Darrell W. Brownawell ,  Antonio Gutierrez ,  Stanley J. Brois ,  Donald F. Jacques ,  Gary L. Behelfer ,  Thomas M. Ferrell ,  Stephan Ilnyckyj

IPC分类号： C10G9/16 ,  C10M133/38 ,  C10M133/58 ,  C10M135/36 ,  C10M159/18 ,  C10G9/12

CPC分类号： C10M133/58 ,  C10G9/16 ,  C10M133/38 ,  C10M135/36 ,  C10M159/18 ,  C10M2215/22 ,  C10M2215/221 ,  C10M2215/225 ,  C10M2215/226 ,  C10M2215/30 ,  C10M2219/10 ,  C10M2219/102 ,  C10M2219/104 ,  C10M2219/106 ,  Y10S585/95

摘要： Deposit formation on the interior surfaces of structures confining heated hydrocarbon fluids such as refinery units, particularly preheating stages associated with process units such as distillation units, hydrotreaters and thermal crackers, is inhibited by incorporating in the feed stock a small percentage (usually at least about 0.0005 weight percent) of a macrocyclic polyamine formed by cyclodehydration of reaction products of hydrocarbon substituted succinic anhydrides or carboxylic acids with poly 3-amino propyl compounds or by acylation of macrocyclic polyamine and polycyclic polyamines with hydrocarbon substituted succinic anhydride or carboxylic acids. It is desirable in some instances to dissolve additionally in the hydrocarbon fluid such as a feed stock along with the macrocyclic polyamine an oil-soluble dispersant, antioxidant and mixtures thereof.

摘要翻译： 限制加热的烃流体（例如炼油厂单元，特别是与加工单元，例如蒸馏单元，加氢处理器和热裂解器）相关联的预热阶段的结构的内表面上的沉积物形成通过在原料中掺入一小部分（通常至少约 0.0005重量％）通过烃取代的琥珀酸酐或羧酸与聚3-氨基丙基化合物的反应产物的环化脱水或通过用烃取代的琥珀酸酐或羧酸酰化大环多胺和多环多胺形成的大环多胺。 在一些情况下，期望另外溶解在烃流体中，例如原料以及大环多胺，油溶性分散剂，抗氧化剂及其混合物。

公开(公告)号：US4670131A

公开(公告)日：1987-06-02

申请号：US818583

申请日：1986-01-13

申请人： Thomas M. Ferrell

发明人： Thomas M. Ferrell

IPC分类号： C10G9/00 ,  C07C7/20 ,  C10G9/12 ,  C10G9/16 ,  C10G29/20 ,  C10L10/00

CPC分类号： C10G9/16 ,  C07C7/20 ,  C10L10/04 ,  Y10S585/95

摘要： Fouling of equipment used for processing of organic feed streams containing olefinic compounds is controlled by inhibiting polymerization of the olefinic compounds by carrying out the processing in the presence of from about 20 ppb to less than 1000 ppb of a stable free radical, such as a nitroxide.

摘要翻译： 通过在约20ppb至小于1000ppb的稳定自由基如氮氧化物的存在下进行加工来抑制烯烃化合物的聚合来控制用于处理含有烯烃化合物的有机进料流的设备的污垢 。