CN117072990A - RTO-CCUS耦合设备及处理VOCs与CO2的应用 - Google Patents
RTO-CCUS耦合设备及处理VOCs与CO2的应用 Download PDFInfo
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Abstract
本发明公开了一种RTO‑CCUS耦合设备及处理VOCs与CO2的应用。其设备组成包括:RTO模块及CCUS模块。RTO反应室内部的多个热交换器,氧化系统,控制系统,节能系统,高比表面积催化剂,及气路系统。CCUS模块包括:CCUS反应室,固液临界填料塔,碳吸收剂,碳产物收集室。氧化室内的高比表面积催化可以在300℃低温下实现VOCs氧化分解成CO2和H2O,高比表面积催化剂是陶瓷并参杂铂及镍,在700℃环境下烧制得到,形状为蜂窝状,碳吸收剂由1,3‑苯二甲基胺、苯基甲基胺、异佛尔酮二胺和氢氧化钠等体积比例组成,碳吸收剂在固液临界填料上与CO2发生反应。本发明在治理VOCs的同时实现碳的减排,其性能、使用寿命和能耗都有着明显优势,吸附剂的可再生利用率较好,制备简单易行,有着更好的环保效益和经济效益。
Description
技术领域
本发明涉及新材料、新设备及气体处理技术领域,具体涉及一种RTO-CCUS耦合设备及处理VOCs与CO2的应用。
背景技术
目前,各行业普遍采用蓄热式氧化(RTO)技术进行VOCs去除,RTO可以处理绝大部分含有机化合物的废气,处理效率均达到95%以上,是当前最具有优势的VOCs治理技术手段,也是当下最成熟的处理设备。然而,RTO技术虽能有效降低VOCs排放,但会产生大量二氧化碳(CO2)。针对此问题,研发碳捕集、利用与封存技术(CCUS),通过矿化CO2,显著降低RTO燃烧后废气中的CO2含量。
RTO-CCUS耦合设备适用于处理各种含有有机污染物(如VOCs)的废气。这些有机废气通常来自多种工业过程和应用,例如印刷、涂装、化学生产、溶剂处理、涂料制造、汽车制造等。该设备通过高温氧化和再生技术将有机废气转化为无害的CO2和水,并同步实现CO2封存,从而达到废气净化、环保排放的目的。
发明内容
发明目的:针对现有技术中VOCs处理效果不佳,电能利用效率低,去除成本高、及RTO产生大CO2等存在的问题,本发明的目是提供一种RTO-CCUS耦合设备并处理VOCs及CO2。
技术方案一种RTO-CCUS耦合设备包括:RTO模块及CCUS模块,其中,所述的RTO模块包括:RTO反应室内部的多个热交换器,氧化系统,控制系统,节能系统,高比表面积催化剂,及气路系统;所述的CCUS模块包括:CCUS反应室,固液临界填料塔,碳吸收剂,碳产物收集室。
RTO-CCUS耦合设备的氧化室内的高比表面积催化可以在300℃低温下实现VOCs氧化分解成CO2和H2O;高比表面积催化剂是陶瓷并参杂铂及镍,在700℃环境下烧制得到,形状为蜂窝状;碳吸收剂由1,3-苯二甲基胺、苯基甲基胺、异佛尔酮二胺和氢氧化钠等体积比例组成;碳吸收在固液临界填料上与CO2发生反应,在碳产物收集室收集碳产物。
本发明的主要机理如下:
RTO-CCUS耦合设备适用于连续性排放浓度较高的生产工艺废气处理,对于生产工艺中挥发的所有VOCs有机废气都可有效处理;耦合设备的 CCUS可对RTO部分产生的 CO2进行高效封存,同时对NOx及二噁英有很好的吸收性能。
有益效果:申请人提出将RTO与碳捕获、利用与封存技术耦合成为一个体系可以在处理工业VOCs排放的同时,同步解决CO2及NOx/Dioxin排放的问题。实验数据表明:RTO-CCUS耦合设备实验VOCs处理效率99%以上、CO2削减率95%以上、NOx削减率95%以上、二噁英削减率99%以上。
RTO系统直接耦合碳捕获利用与封存(CCUS)技术在于:
污染物的削减:通过RTO耦合系统,可将VOCs去除的同时,同步将二次污染物矿化、电催化,以实现NOx及Dioxin快速分解,达到VOCs的完全无害化处理。
碳捕获:改进CCUS技术以捕获CO2。我们提出通过构建CCUS技术吸收剂数据库以机器学习的方式预测并开发更为高效吸收剂,以期大幅度提高CO2捕获效率。
这种创新性的方法结合了工业排放处理和碳管理的概念,旨在减少碳排放并推动碳资源的有效利用。RTO与CCUS的成功组合充分的考虑技术的可行性、经济性以及环境影响。此外,相关法规和政策支持这种技术的实施和应用。
附图说明
图1是本发明RTO-CCUS耦合设备的结构示意图;
图2是本发明CCUS单元的结构示意图;
图中有:1-多个热交换器,2-氧化系统,3-控制系统,4-节能系统,5-高比表面积催化剂,6-气路系统,7-CCUS反应室,8-固液临界填料塔,9-碳吸收剂,10-碳产物收集室。
实施方式
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
一种RTO-CCUS耦合设备及处理VOCs及CO2的应。RTO反应室内部的多个热交换器,氧化系统,控制系统,节能系统,高比表面积催化剂,及气路系统。CCUS模块包CCUS反应室,固液临界填料塔,碳吸收剂,碳产物收集室。氧化室内的高比表面积催化可以在300℃低温下实现VOCs氧化分解成CO2和H2O,高比表面积催化剂是陶瓷并参杂铂及镍,在700℃环境下烧制得到,形状为蜂窝状,碳吸收剂由胺基吸附剂组成,碳吸收剂在固液临界填料上与CO2发生反应。
热交换器技术:RTO包含多个热交换器,用于实现废气的预热和热回收。通常有3个或更多的热交换床,分为预热、氧化和冷却阶段。性能指标:热回收效率,即废气中热能的多少被回收用于预热新鲜空气,通常达到99%以上。
氧化室:是RTO的核心部分,通过高温环境下将有机污染物氧化分解为二氧化碳和水蒸气。性能指标:热氧化效率,即有机污染物在氧化室中的去除率,通常高达99%以上。
控制系统技术:RTO设备配备了先进的PLC自动控制系统,用于监测和调节废气流量、温度、氧浓度等参数,以确保设备稳定运行和最佳性能。性能指标:稳定性、自动化程度,确保设备在各种操作条件下都能有效运行。
节能技术:RTO通常使用热回收技术,将废气中的热能回收用于预热新鲜空气,降低能耗。性能指标:能耗水平,即每单位处理废气所需的能源,通常较传统的燃烧设备低10%。
CCUS吸收剂开发技术:碳吸收剂由1,3-苯二甲基胺、苯基甲基胺、异佛尔酮二胺和氢氧化钠等体积比例组成。以胺基吸收剂为基础,我们正在通过机器学习设计具有具更高度的CO2/NOx吸收能力,低再生能耗的吸收剂。性能指标:CO2削减率95%以上、NOx削减率95%以上、二噁英削减率99%以上。
Claims (5)
1.一种RTO-CCUS耦合设备及处理VOCs与CO2的应用,其特征在于,包括:RTO模块及CCUS模块;其中, 所述的RTO模块包括:
RTO反应室内部的多个热交换器(1),氧化室(2),控制系统(3),节能系统(4),高比表面积催化剂(5),及气路系统(6);所述的CCUS模块包括:CCUS反应室(7),固液临界填料塔(8),碳吸收剂(9),和碳产物收集室(10)。
2.根据权利要求1所述的一种RTO-CCUS耦合设备,其特征在于,氧化室(2)内的高比表面积催化剂(5)可以在300℃低温下实现VOCs氧化分解成CO2和H2O。
3.根据权利要求1所述的一种RTO-CCUS耦合设备,其特征在于,高比表面积催化剂是陶瓷并参杂铂及镍,在700℃环境下烧制得到,形状为蜂窝状。
4.根据权利要求1所述的一种RTO-CCUS耦合设备,其特征在于,碳吸收剂由1,3-苯二甲基胺、苯基甲基胺、异佛尔酮二胺和氢氧化钠等体积比例组成。
5.根据权利要求1所述的一种RTO-CCUS耦合设备,其特征在于,碳吸收剂(9)在固液临界填料塔(8)上与CO2发生反应。
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