公开(公告)号：US08766028B2

公开(公告)日：2014-07-01

申请号：US13373094

申请日：2011-11-04

申请人： Kuang-Yeu Wu ,  Adam T. Lee ,  Karl Tze-Tang Chuang ,  Hung-Chung Shen ,  Tzong-Bin Lin

发明人： Kuang-Yeu Wu ,  Adam T. Lee ,  Karl Tze-Tang Chuang ,  Hung-Chung Shen ,  Tzong-Bin Lin

IPC分类号： C07C7/00 ,  C07C7/148 ,  C07C7/163

CPC分类号： C07C7/14891 ,  Y02P20/127 ,  C07C15/08

摘要： The invention disclosed relates to a process for refining a hydrocarbon feed to make substantially styrene-free C6-C8 aromatic hydrocarbons (BTX). The hydrocarbon feed, for example, unhydrotreated pyrolysis gasoline, is distilled to make a BTX rich stream containing styrene which is fractionated to separate C6 and C7 hydrocarbons from C8 hydrocarbons including styrene. Styrene in the C8 hydrocarbons reacts in the presence of a selective etherification catalyst with a C1-C3 lower alkyl alcohol to form the corresponding styrene ether, which is then separated by distillation into a styrene ether stream and a C8 hydrocarbons rich stream. The C8 hydrocarbons rich stream is then re-mixed with the C6 and C7 hydrocarbons, and sent to hydrogenation reactors to remove sulphur and olefinic hydrocarbons to form substantially styrene-free BTX.

摘要翻译： 所公开的本发明涉及一种用于精炼烃进​​料以制备基本上无苯乙烯的C 6 -C 8芳族烃（BTX）的方法。 将烃进料例如未加氢处理的裂解汽油蒸馏以制备含有苯乙烯的BTX富流，其分馏以从C 8烃（包括苯乙烯）分离C6和C7烃。 C8烃中的苯乙烯在选择性醚化催化剂存在下与C1-C3低级烷基醇反应形成相应的苯乙烯醚，然后通过蒸馏将其分离成苯乙烯醚流和富含C8烃的物流。 然后将富含C8烃的物流与C6和C7烃重新混合，并送往氢化反应器以除去硫和烯烃，以形成基本上无苯乙烯的BTX。

公开(公告)号：US08575399B2

公开(公告)日：2013-11-05

申请号：US12957470

申请日：2010-12-01

申请人： Wei-Bin Su ,  Hsun-Yi Huang ,  Jyh-Haur Hwang ,  Tzong-Bin Lin ,  Cheng-Tsung Hong ,  Hung-Chung Shen ,  Karl T. Chuang

发明人： Wei-Bin Su ,  Hsun-Yi Huang ,  Jyh-Haur Hwang ,  Tzong-Bin Lin ,  Cheng-Tsung Hong ,  Hung-Chung Shen ,  Karl T. Chuang

IPC分类号： C07C41/09 ,  B01J8/28 ,  C07C43/04

CPC分类号： C07C43/043 ,  B01D3/009 ,  B01J8/0453 ,  B01J8/28 ,  B01J27/053 ,  B01J27/12 ,  B01J29/40 ,  B01J29/7007 ,  B01J31/08 ,  B01J35/0006 ,  B01J2208/00265 ,  B01J2208/00274 ,  B01J2208/00283 ,  B01J2208/00539 ,  B01J2208/025 ,  B01J2219/00006 ,  C07C41/09 ,  Y02P20/127

摘要： A dual-bed catalytic distillation tower has a catalytic column having an upper catalytic bed filled with low temperature dehydration catalysts and a lower catalytic bed filled with high temperature dehydration catalysts. When using the dual-bed catalytic distillation tower, the feed may be fed to the tower at the top of the upper catalytic bed, between the upper and lower catalytic beds, or at the bottom of the lower catalytic bed for dehydration to obtain DME. The dual-bed catalytic distillation tower has the advantage of flexible set up depending on various feeds, such as anhydrous or crude methanol and on different grades of DME to be obtained.

摘要翻译： 双床催化蒸馏塔具有催化塔，其具有填充有低温脱水催化剂的上催化床和装有高温脱水催化剂的下催化床。 当使用双床催化蒸馏塔时，进料可以在上催化床的顶部，上下催化床的顶部或下催化床的底部进料到塔中以进行脱水以获得DME。 双床催化蒸馏塔具有根据各种进料如无水或粗甲醇和不同等级的DME的灵活设置的优点。

公开(公告)号：US20130228447A1

公开(公告)日：2013-09-05

申请号：US13410286

申请日：2012-03-01

申请人： Kuang-Yeu Wu ,  Tzong-Bin Lin ,  Fu-Ming Lee ,  Tsung-Min Chiu ,  Jeng-Cheng Lee

发明人： Kuang-Yeu Wu ,  Tzong-Bin Lin ,  Fu-Ming Lee ,  Tsung-Min Chiu ,  Jeng-Cheng Lee

IPC分类号： B01D3/40

CPC分类号： B01D3/40 ,  C07C7/08 ,  C07C15/04

摘要： Recovering high purity benzene from hydrocarbon feedstock containing aromatics and non-aromatics is implemented by simple and low-cost modifications to conventional extractive distillation columns (EDCs). Methyl cyclohexane (MCH) that is generated through non-selective hydrogenation of toluene in hydrodesulfurization (HDS) units is a major contaminant in benzene production. To meet MCH specifications, often times the extractive distillation (ED) process for recovering purified benzene is operated with excessive benzene loss to the overhead raffinate stream, producing a lower quality non-aromatic product. Novel techniques (1) remove operational constrictions of the HDS unit on MCH production, thus lengthening the catalyst life and (2) allow the EDC to drive essentially any amount of MCH away from the bottom benzene product without concerns with benzene loss to the overhead raffinate stream and (3) recover benzene from the overhead raffinate stream to upgrade the quality of non-aromatic product and increase the benzene product recovery.

摘要翻译： 通过对常规萃取蒸馏塔（EDC）的简单且低成本的改进来实现从芳族化合物和非芳族化合物的烃原料中回收高纯度苯。 通过在加氢脱硫（HDS）单位中甲苯的非选择性氢化产生的甲基环己烷（MCH）是苯生产中的主要污染物。 为了满足MCH规范，通常多次用于回收纯化苯的萃取蒸馏（ED）方法对顶部萃余液流具有过量的苯损失，产生较低质量的非芳族产物。 新技术（1）消除了HDS单元在MCH生产中的操作限制，从而延长了催化剂寿命，（2）允许EDC将基本上任意数量的MCH从底部苯产品中驱出，而不考虑苯损失到塔顶残液 流和（3）从塔顶残液流回收苯，提高非芳香族产品的质量，提高苯产品回收率。

公开(公告)号：US08506820B2

公开(公告)日：2013-08-13

申请号：US13345359

申请日：2012-01-06

申请人： Ping-Wen Yen ,  Yuh-Sheve Ho ,  Hung-Tzu Chiu ,  Chung-Jong Hwu ,  June-Cheng Chang ,  Tzong-Bin Lin ,  Tsoung Y. Yan ,  Cheng-Tsung Hong ,  Hung-Chung Shen

发明人： Ping-Wen Yen ,  Yuh-Sheve Ho ,  Hung-Tzu Chiu ,  Chung-Jong Hwu ,  June-Cheng Chang ,  Tzong-Bin Lin ,  Tsoung Y. Yan ,  Cheng-Tsung Hong ,  Hung-Chung Shen

IPC分类号： B01D35/06 ,  B03C1/14

CPC分类号： B03C1/015 ,  B01D29/23 ,  B01D35/06 ,  B03C1/0332 ,  B03C1/286 ,  C10G21/28

摘要： A continuous online process for rejuvenating whole stream of contaminated lean sulfolane in an extraction system is provided. A rejuvenator is installed in the solvent circulation loop to remove the contaminants continuously to keep the solvent clean, effective and less corrosive. The rejuvenator includes a high pressure vessel with a removable cover and a round rack with vertical stainless steel tubes fitted in the high pressure vessel. A magnetic bar is placed in each stainless steel tube. A screen cylinder is installed outside the ring of stainless steel tubes. As the contaminated sulfolane is passed through the rejuvenator, the rejuvenator picks up contaminants. The rejuvenator can be dissembled to remove the contaminants periodically. The rejuvenator is simple in construction, reliable in operation, and low in operation and maintenance costs. With this rejuvenator, the extraction system operates at high efficiency and high capacity without the dreaded corrosion.

摘要翻译： 提供了一个连续的在线过程，用于在提取系统中恢复受污染的贫环烷砜的全流。 清洁剂安装在溶剂循环回路中，以连续除去污染物，保持溶剂清洁，有效，腐蚀性较差。 复原器包括一个带有可拆卸盖的高压容器和一个安装在高压容器中的垂直不锈钢管的圆形支架。 在每个不锈钢管中放置一个磁棒。 丝网筒安装在不锈钢管外面。 当受污染的环丁砜通过复原器时，复原器会吸收污染物。 可以拆除复原器以定期去除污染物。 振兴机构施工简单，运行可靠，运行维护成本低。 采用这种复原机，提取系统运行效率高，容量大，无腐蚀。

公开(公告)号：US08466302B1

公开(公告)日：2013-06-18

申请号：US13332741

申请日：2011-12-21

申请人： Karl T. Chuang ,  Christina Dirk-Faitakis ,  Tzong-Bin Lin ,  Hung-Chung Shen

发明人： Karl T. Chuang ,  Christina Dirk-Faitakis ,  Tzong-Bin Lin ,  Hung-Chung Shen

IPC分类号： C07D301/14

CPC分类号： C07D303/04 ,  Y02P20/127 ,  Y02P20/582

摘要： A continuous epoxidation process for the production of high purity propylene oxide by the reaction of propylene with an oxidant that is a per-acid, such as peracetic acid (PAA), in a reactive distillation (RD) column. The RD column provides excellent heat integration and temperature control, and the process has the advantage of lower investment cost for capital equipment. The process operates at mild temperatures and pressures. A ferric acetylacetonate homogeneous catalyst and/or stabilizer may be included as part of the PAA feed to the process to increase PAA conversion and selectivity to propylene oxide. A pre-reactor can be incorporated upstream of the RD column to increase the residence time at lower temperatures to enhance productivity.

摘要翻译： 在反应蒸馏（RD）柱中通过丙烯与过酸例如过乙酸（PAA）的氧化剂反应生产高纯度环氧丙烷的连续环氧化方法。 RD列提供优异的热集成和温度控制，该工艺具有降低资本设备投资成本的优点。 该过程在温和的温度和压力下运行。 乙酰丙酮铁的均匀催化剂和/或稳定剂可以作为PAA进料的一部分包含在该方法中以增加PAA转化率和对环氧丙烷的选择性。 可以在RD塔的上游引入预反应器以增加在较低温度下的停留时间，以提高生产率。

公开(公告)号：US08246815B2

公开(公告)日：2012-08-21

申请号：US12854150

申请日：2010-08-10

申请人： Kuang-Yeu Wu ,  Tzong-Bin Lin ,  Fu-Ming Lee ,  Tsung-Min Chiu ,  Jyh-Haur Hwang ,  Hung-Chung Shen

发明人： Kuang-Yeu Wu ,  Tzong-Bin Lin ,  Fu-Ming Lee ,  Tsung-Min Chiu ,  Jyh-Haur Hwang ,  Hung-Chung Shen

IPC分类号： C10G51/02

CPC分类号： C07C7/08 ,  C07D333/48 ,  C10G21/28 ,  C10G2300/1081 ,  C10G2300/1088 ,  C10G2300/1096 ,  C10G2300/44 ,  C10G2300/805 ,  C07C15/04 ,  C07C15/06

摘要： An improved solvent regeneration system for extractive distillation and liquid-liquid extraction processes capable of effectively removing heavy hydrocarbons and polymeric materials that otherwise develop in a closed solvent loop. The improved process employs a light hydrocarbon displacement agent, which is at least partially soluble in the solvent to squeeze the heavy hydrocarbons and polymeric materials out of the solvent, with virtually no additional energy requirement. It has been demonstrated that the light non-aromatic hydrocarbons in the raffinate stream generated from the extractive distillation or the liquid-liquid extractive process for aromatic hydrocarbons recovery can displace not only the heavy non-aromatic hydrocarbons but also the heavy aromatic hydrocarbons from the extractive solvent, especially when the aromatic hydrocarbons in the solvent are in the C10+ molecular weight range.

摘要翻译： 用于萃取蒸馏和液 - 液萃取方法的改进的溶剂再生系统，其能够有效地除去否则在密闭的溶剂回路中发展的重质烃和聚合材料。 改进的方法采用轻质烃置换剂，其至少部分可溶于溶剂以将重质烃和聚合物材料挤出溶剂，实际上无需额外的能量需求。 已经证明，从萃取蒸馏或用于芳族烃回收的液 - 液萃取过程产生的萃余液流中的轻非芳族烃不仅可以取代重非芳族烃，而且可以取代萃取物中的重芳香烃 溶剂，特别是当溶剂中的芳烃为C10 +分子量范围时。

公开(公告)号：US07879225B2

公开(公告)日：2011-02-01

申请号：US12217676

申请日：2008-07-08

申请人： Fu-Ming Lee ,  Kuang-Yeu Wu ,  Tsung-Min Chiu ,  Zong-Ying Chen ,  Jyh-Haur Hwang ,  Tzong-Bin Lin ,  Hung-Chung Shen ,  Tung-Hsiung Kuo ,  Yu-Ming Wu

发明人： Fu-Ming Lee ,  Kuang-Yeu Wu ,  Tsung-Min Chiu ,  Zong-Ying Chen ,  Jyh-Haur Hwang ,  Tzong-Bin Lin ,  Hung-Chung Shen ,  Tung-Hsiung Kuo ,  Yu-Ming Wu

IPC分类号： C10G21/28

CPC分类号： C10G21/06 ,  C10G21/28 ,  C10G2300/4056

摘要： An energy efficient, high throughput process for aromatics recovery can be readily implemented by revamping existing sulfolane solvent extraction facilities, or constructing new ones, so as to incorporate unique process operations involving liquid-liquid extraction and extractive distillation. Current industrial sulfolane solvent based liquid-liquid extraction processes employ a liquid-liquid extraction column, an extractive stripping column, a solvent recovery column, a raffinate wash column, and a solvent regenerator. The improved process for aromatic hydrocarbon recovery from a mixture of aromatic and non-aromatic hydrocarbons requires transformation of the extractive stripping column into a modified extractive distillation column. The revamping incorporates the unique advantages of liquid-liquid extraction and extractive distillation into one process to significantly reduce energy consumption and increase process throughput. The revamp entails essentially only piping changes and minor equipment adjustments of the original liquid-liquid extraction facility, and is therefore, reversible.

摘要翻译： 通过改进现有的环丁砜溶剂萃取设备或构建新的环丁砜溶剂萃取设备，可以容易地实现能量效率高的芳烃回收方法，从而引入独特的工艺操作，包括液 - 液萃取和萃取蒸馏。 当前工业环丁砜溶剂型液 - 液萃取方法采用液 - 液萃取柱，萃取汽提塔，溶剂回收塔，萃余液洗涤塔和溶剂再生器。 从芳烃和非芳烃的混合物中回收芳烃的改进方法需要将萃取汽提塔转化为改进的萃取蒸馏塔。 改造将液 - 液萃取和萃取蒸馏的独特优势融入到一个过程中，以显着降低能耗并提高生产能力。 改造只需要对原液 - 液萃取设备进行管道更换和小型设备调整，因此是可逆的。

公开(公告)号：US07790943B2

公开(公告)日：2010-09-07

申请号：US11475304

申请日：2006-06-27

申请人： Tzong-Bin Lin ,  Jyh-Haur Hwang ,  Hung-Chung Shen ,  Kuang-Yeu Wu

发明人： Tzong-Bin Lin ,  Jyh-Haur Hwang ,  Hung-Chung Shen ,  Kuang-Yeu Wu

IPC分类号： C07C7/10

CPC分类号： C07C13/18 ,  C07C5/10 ,  C07C7/08 ,  Y02P20/125 ,  C07C15/04

摘要： An integrated, continuous process for transforming feedstock, e.g., reformate, which contains high levels of benzene into a low-benzene content feedstock that is suitable for gasoline blending initially removes benzene from the reformate by extractive distillation, then partially hydrogenating the high purity benzene into cyclohexane under mild conditions in a one-stage hydrogenation reactor, and thereafter recovering a cyclohexane product with high purity from the hydrogenation reactor effluent in a back-end purification step using extractive distillation. The initial or front-end separation step yields a low-benzene content reformate.

摘要翻译： 将含有高含量苯的高含量苯转化为适用于汽油混合的低苯含量原料的重整产品的综合连续方法最初通过萃取蒸馏从重整产物中除去苯，然后将高纯度苯部分氢化 环己烷在一级氢化反应器中的温和条件下，然后使用萃取蒸馏在后端纯化步骤中从氢化反应器流出物回收高纯度的环己烷产物。 初始或前端分离步骤产生低苯含量的重整产物。

公开(公告)号：US07666299B2

公开(公告)日：2010-02-23

申请号：US11837459

申请日：2007-08-10

申请人： Kuang-Yeu Wu ,  Tsung-Min Chiu ,  Tzong-Bin Lin ,  Hung-Chung Shen ,  Yu-Ming Wu ,  Tung-Hsiung Kuo

发明人： Kuang-Yeu Wu ,  Tsung-Min Chiu ,  Tzong-Bin Lin ,  Hung-Chung Shen ,  Yu-Ming Wu ,  Tung-Hsiung Kuo

IPC分类号： C10G51/02

CPC分类号： B01D3/40 ,  C10G7/08

摘要： A process for recovering polar hydrocarbons from non-polar hydrocarbons, such as aromatics from non-aromatics, naphthenes from paraffins and isoparaffins, or olefins from paraffins and isoparaffins, in feed mixtures containing at least a measurable amount of heavier hydrocarbons. This improved extractive distillation (ED) process recovers aromatic hydrocarbons including benzene, toluene, and xylenes from the C6-C8 petroleum streams containing a measurable amount of C9+ hydrocarbons. The ED process also recovers benzene and toluene from the C6-C7 petroleum streams containing a measurable amount of C8+ hydrocarbons. The ED solvent utilized to recover and purify the aromatic hydrocarbons from the petroleum stream with a heavier than intended feedstock of hydrocarbons is also regenerated and recovered.

摘要翻译： 一种从非极性烃中回收极性烃的方法，例如来自非芳族化合物的芳族化合物，来自烷烃和异链烷烃的环烷烃，或来自链烷烃和异链烷烃的烯烃在含有至少可测量量的较重烃的进料混合物中。 这种改进的萃取蒸馏（ED）方法从含有可测量量的C 9+烃的C6-C8石油流中回收包括苯，甲苯和二甲苯的芳族烃。 ED方法还从含有可测量量的C8 +烃的C6-C7石油流中回收苯和甲苯。 用于从石油流中回收和纯化比预期的烃类原料重的芳烃的ED溶剂也被再生和回收。

公开(公告)号：US07666297B2

公开(公告)日：2010-02-23

申请号：US11643078

申请日：2006-12-21

申请人： Fu-Ming Lee ,  Tzong-Bin Lin ,  Hsun-Yi Huang ,  Jyh-Haur Hwang ,  Hung-Chung Shen ,  Karl Tze-Tang Chuang

发明人： Fu-Ming Lee ,  Tzong-Bin Lin ,  Hsun-Yi Huang ,  Jyh-Haur Hwang ,  Hung-Chung Shen ,  Karl Tze-Tang Chuang

IPC分类号： C10G45/00 ,  C10G17/00

CPC分类号： C10G27/12

摘要： An improved oxidative process that employ a robust, non-aqueous, and oil-soluble organic peroxide oxidant for effective desulfurization and denitrogenation of hydrocarbons including petroleum fuels, hydrotreated vacuum gas oil (VGO), non-hydrotreated VGO, petroleum crude oil, synthetic crude oil from oil sand, and residual oil. Even at low concentrations and without the assistance of catalysts, the non-aqueous organic peroxide oxidant is extremely active and fast in oxidizing the sulfur and nitrogen compounds in the hydrocarbon feedstocks. Furthermore, the process generates a valuable organic acid by-product that is also used internally as the extractive solvent for effective removal of the oxidized sulfur and nitrogen from the hydrocarbons without the need of a final adsorption step. Novel process steps are also disclosed to substantially prevent yield loss in the oxidative process.

摘要翻译： 一种改进的氧化方法，其采用坚固的非水和油溶性有机过氧化物氧化剂，用于有效脱硫和脱氮烃类，包括石油燃料，加氢处理的减压瓦斯油（VGO），非加氢处理的VGO，石油原油，合成原油 油砂油和残油。 即使在低浓度且没有催化剂的帮助下，非水有机过氧化物氧化剂在氧化烃原料中的硫和氮化合物方面是非常活跃和快速的。 此外，该方法产生有价值的有机酸副产物，其也在内部用作萃取溶剂，以有效地从烃中除去氧化的硫和氮，而不需要最终的吸附步骤。 还公开了新的方法步骤以基本上防止氧化过程中的产量损失。