影响选择性非催化还原法(SNCR)的NOx还原率的因素： 1、还原剂喷入点的选择： 喷入点必须保证使还原剂进入炉膛内适宜反应的温度区(900～1100℃)。温度高,还原剂被氧化成NOx,烟气中的NOx含量不减少反而增加;温度低,反应不充分,造成还原剂流失,对下游设备产生不利 ...

北极星环保网讯:对NOx超低排放改造得到的脱硝装置开展性能测试并对实际改善效果与运行稳定性进行分析，针对两台机组进行 ...

Optimal NO x removal by a selective catalytic reduction (SCR) system requires the inlet gas temperature to remain within a prescribed range. How does a baseload unit ...

盖世汽车讯 据《欧洲汽车新闻》报道，继德国大众与法国标致雪铁龙（PSA）两大集团之后，福特汽车公司也将开始采用据称可减少柴油机有害气体排放的选择性催化还原SCR（Selective Catalyst Reduction）技术。 福特汽车公司透露，该公司将在新一代2.0L EcoBlue柴油发动 ...

Aiming to Meet the IMO's Tier III NOx Emission Controls Nippon Yusen Kabushiki Kaisha, Oshima Shipbuilding Co. Ltd., Mitsubishi Heavy Industries Ltd., Akasaka Diesels Limited, and Sakai Chemical ...

For nearly five years, two selective catalytic reduction (SCR) systems have operated almost around the clock at Dynegy Midwest Generation’s Baldwin Energy Complex in Baldwin, Ill. The SCR systems ...

In a brief filed in November in its ongoing litigation with the U.S. Environmental Protection Agency, truck and engine maker Navistar argued that EPA violated federal law not only by allowing its ...

【编辑推荐】为应对日益严格的柴油车排放法规，研究人员创新性地将SCO（选择性催化氧化）与SCR（选择性催化还原）催化剂集成于DPF（柴油颗粒过滤器），构建n-SDPF系统。通过多物理场耦合模型，揭示了基底结构参数（壁厚、长度、通道宽度比）对NOx转化效率 ...

选择性催化还原催化剂的拓扑调控机制及活性提升研究。通过X射线吸收光谱和原位双光束红外光谱等先进表征技术，系统揭示了CHA骨架的小孔道效应对Cu活性物种的稳定作用，证实六元环拓扑结构促进Cu+低配位态形成，增强硝酸盐转化效率，实现低温（200℃）高 ...

The California Air Resources Board (CARB) held a public workshop yesterday to discuss possible changes in the way selective catalytic reduction (SCR) systems react to malfunctions or other problems in ...