壳牌低温脱硝、二恶英及氧化亚氮消除技术系统介绍VIP免费

壳牌低温脱硝、二恶英及氧化亚氮消除技术系统介绍 2010-01-30 23:30:09| 分类： 活性炭技术 | 标签： |字号大中小 订阅 壳牌低温脱硝、二恶英及氧化亚氮消除技术系统介绍 该技术系统是由英荷壳牌集团的成员之一， CRI（Catalyst Regeneration International）国际公司下属的全资子公司 CRI 催化剂公司开发的。CRI 的总部设在美国休斯顿。1998 年营业额 5 亿美元，主要从事炼油、石油化工和化工催化剂生产、销售和技术服务业务。 CRI 催化剂公司（CRI Catalyst Company）主要从事环氧乙烷催化剂、脱NOx 催化剂、脱VOx催化剂的生产与销售，同时还进行技术转让。在比利时根特和美国马丁内兹有两家生产厂。 CRI 处理烟气的催化剂系统主要有三种： 壳牌低温氮氧化物去除系统(SDS) CRI 为各种静止火源和化工过程所产生的氮氧化物(NOx)提供壳牌低温氮氧化物去除系统(Shell DeNOx System, SDS)。CRI 特别研发的脱硝技术具备高效率、低工作温度的有利条件，特别在改建低温设备的情况下突出低成本的优势。 NOx Reduction CRI Selective Catalytic (SCR) NOx Reduction Technology Since its commercial introduction in the 1970's,Selective Catalytic Reduction (SCR) of nitrogen oxides (NOx) has gained wide acceptance worldwide as the most effective and technologically proven method for high-percentage NOx removal from flue gases. CRI's technology, known as the Shell DeNOx System (SDS), operates on the SCR principal. It uses ammonia (NH 3) as the reductant and a catalyst to promote the reaction of NH 3 with NOx, forming nitrogen and water. An efficient retrofit The CRI SCR catalyst can operate at lower temperatures and with lower pressure drop than conventional SCR catalysts. Consequently, the CRI SCR system can be installed immediately before or in the stack, thereby avoiding any modifications to combustion or heat-recovery equipment or negative effects on other upstream plant operations. This makes the CRI technology very cost-effective for retrofit SCR applications. Typical Applica...