8分子筛变温吸附实验

二、 实验记录实验日期2019年_0乞月日气压758mmHg室温269气象情况晴(包括实验现象的观察，实验数据的记录)通过实验总结实验步骤如下(一)准备工作(1)检查CO2气瓶气体压力，确保气体足够实验。(2)检查CO2气瓶接口的气密性，打开气瓶阀门，利用肥皂水检测接口是否漏气。(3)检查工作面板、仪表等设备是否正常工作。(4)检查相关阀门的开闭状态。(二)系统的启动与运行吸附实验确定缓冲罐手孔处于密闭状态，吸附塔上所有采样口阀门处于关闭状态。打开控制箱电源，检查温度表盘显示是否正常，启动数据自动采集系统打开阀门y-v4，其中v2和V全开。通过调节分流阀V［调节流量计1的流量为200~250L3/h打开CO2气瓶阀门，调节V3使流量计2的流量为20~40mb/h。通过调节匕和V3使CO2进口浓度保持在6000~9000ppm。利用数据采集系统，在不同时刻分别记录出口气体CO2浓度。8•待出口气体CO2浓度接近进口浓度后，首先关闭CO2气瓶阀门，然后关闭V3，吸附过程结束。热解吸过程确保V3已关闭。通过调节分流阀y调节流量计保持原有n2的流速。当出口CO2浓度接近稳定，降到1000ppm以下时，打开风机，启动电加热系统开始热风解吸。当出口CO2浓度接近300ppm时（通常40〜60分钟），关闭电加热系统。保持主风机工作，持续通风至T4温度低于309后，可关闭主风机，关闭所有阀门。关闭数据采集系统，关闭控制箱主开关。三、 撰写实验报告1.数据处理（包括计算示例、数据图表）根据所测数据作图如下：时间T实验原始数据列表如下：时间出口浓度ppm时间出口浓度ppm18:50:0021518:53:0019718:50:3021418:53:3021218:51:0020618:54:0023118:51:3021318:54:3020618:52:0020218:55:0020418:52:3018218:55:30228时间出口浓度ppm时间出口浓度ppm18:56:0023219:10:303480

18:56:3023519:11:00362918:57:0024719:11:30379418:57:3028119:12:00398518:58:0029819:12:30412918:58:3032119:13:00422918:59:0035919:13:30434618:59:3040819:14:00446319:00:0045219:14:30458419:00:3051219:15:00466819:01:0058219:15:30477419:01:3066019:16:00483119:02:0072519:16:30489619:02:3082619:17:00497319:03:0093519:17:30501819:03:30105919:18:00506719:04:00119319:18:30513019:04:30132519:19:00515219:05:00148019:19:30520919:05:30163919:20:00526619:06:00201419:20:30527919:06:30210419:21:00530719:07:00216419:21:305310

19:07:30235819:22:00530319:08:00255319:22:30531219:08:30272219:23:00534919:09:00293019:23:30536219:09:30316019:24:005362时间出口浓度ppm时间出口浓度ppm19:25:00538219:39:30304019:25:30537419:40:00288919:26:00540419:40:30280319:26:30544619:41:00269019:27:00545019:41:30256819:27:30546419:42:00248619:28:00542919:42:30238119:28:30541919:43:00229219:29:00546519:43:30220419:29:30546419:44:00212919:30:00545419:44:30205719:30:30543519:45:00197519:31:00546519:45:30190919:31:30545919:46:00183519:32:00542519:46:30178219:32:30535519:47:001731

19:33:00521219:47:30167319:33:30507519:48:00162819:34:00491919:48:30156519:34:30476619:49:00151219:35:00457219:49:30150219:35:30436619:50:00146519:36:00418819:50:30140419:36:30397919:51:00135519:37:00381819:51:30131619:37:30367619:52:00129419:38:00352619:52:30124919:38:30336919:53:001207时间出口浓度ppm时间出口浓度ppm19:54:00115720:08:3065319:54:30113920:09:0064119:55:00112020:09:3063219:55:30107620:10:0064919:56:00104220:10:3063419:56:30102620:11:0059619:57:00100620:11:3057519:57:30100118:50:0021519:58:0097718:50:30214

19:58:3095618:51:0020619:59:0093918:51:3021319:59:3092018:52:0020220:00:0090818:52:3018220:00:3086518:53:0019720:01:0084018:53:3021220:01:3084518:54:0023120:02:0085118:54:3020620:02:3083718:55:0020420:03:0080818:55:3022820:03:3080118:56:0023220:04:0076518:56:3023520:04:3075418:57:0024720:05:0073218:57:3028120:05:3072318:58:0029820:06:0072218:58:3032120:06:3071218:59:0035920:07:0069218:59:3040820:07:3066619:00:00452时间出口浓度ppm时间出口浓度ppm19:01:0058219:15:30477419:01:3066019:16:004831

19:02:0072519:16:30489619:02:3082619:17:00497319:03:0093519:17:30501819:03:30105919:18:00506719:04:00119319:18:30513019:04:30132519:19:00515219:05:00148019:19:30520919:05:30163919:20:00526619:06:00201419:20:30527919:06:30210419:21:00530719:07:00216419:21:30531019:07:30235819:22:00530319:08:00255319:22:30531219:08:30272219:23:00534919:09:00293019:23:30536219:09:30316019:24:00536219:10:00335419:24:30538719:10:30348019:25:00538219:11:00362919:25:30537419:11:30379419:26:00540419:12:00398519:26:30544619:12:30412919:27:005450

19:13:00422919:27:30546419:13:30434619:28:00542919:14:00446319:28:30541919:14:30458419:29:005465时间出口浓度ppm时间出口浓度ppm19:30:00545419:44:30205719:30:30543519:45:00197519:31:00546519:45:30190919:31:30545919:46:00183519:32:00542519:46:30178219:32:30535519:47:00173119:33:00521219:47:30167319:33:30507519:48:00162819:34:00491919:48:30156519:34:30476619:49:00151219:35:00457219:49:30150219:35:30436619:50:00146519:36:00418819:50:30140419:36:30397919:51:00135519:37:00381819:51:30131619:37:30367619:52:00129419:38:00352619:52:301249

19:38:30336919:53:00120719:39:00320119:53:30118419:39:30304019:54:00115719:40:00288919:54:30113919:40:30280319:55:00112019:41:00269019:55:30107619:41:30256819:56:00104219:42:00248619:56:30102619:42:30238119:57:00100619:43:00229219:57:30100119:43:30220419:58:00977时间出口浓度ppm时间出口浓度ppm19:59:0093920:07:3066619:59:3092020:08:0064120:00:0090820:08:3065320:00:3086520:09:0064120:01:0084020:09:3063220:01:3084520:10:0064920:02:0085120:10:3063420:02:3083720:11:0059620:03:0080820:11:3057520:03:3080120:12:0056720:04:0076520:12:3057420:04:3075420:13:0057120:05:0073220:13:3055320:05:3072320:14:0056520:06:0072220:14:3051420:06:3071220:15:0051420:07:0069220:15:30521通过测定实验可知，溶液中吸附质浓度越高，透过曲线向上凸度越大，破点越明显；颗粒粒径越小，其内扩散速率越快，吸附平衡则越快达到，破点越明显，曲线也月陡峭。吸附质量越好则破点月明星。吸附剂劣化程度越低，透过曲线越明显出现陡峭，破点也相应更加明显。四、自评（包括实验收获）通过本次分子筛吸附剂透过曲线测定实验，在实验预习时我充分了解了了解固定床吸附器、分子筛吸附剂吸附的基本原理，经过亲身操作实验仪器混合实验数据的处理，我掌握了掌握吸附透过曲线的测定方法。此外，我还了解到，固定床吸附器是装有颗粒状吸附剂的塔式设备，其具有结构简单、操作方便等优点，是吸附分离中应用最广泛的一类吸附器。常用于气体中回收溶剂、气体和液体的脱水以及难分离有机液体混合物的分离等。固定床循环操作由两个主要阶段组成：在吸附阶段，欲处理的流体不断地通过床层，吸附质被吸附在吸附剂上，其余部分由出口流出。吸附阶段可持续到吸附剂饱和为止；在解吸（再生）阶段，用升