SNCR: Aqueous ammonia or urea?

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SNCR: Aqueous ammonia or urea?

机译：SNCR：氨水还是尿素？

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Selective non-catalytic reduction (SNCR) systems have been on the market for more than 20 years, during which time NOx emissions have been constantly decreased due to improving equipment. It is common knowledge that such systems can use either aqueous ammonia (NH4OH) or urea ((NH2)2CO) as the reducing agent. However, this has left many with the impression that both reagents work equally and at the same efficiency, despite there being considerable technical and economic differences between them.

机译：选择性非催化还原（SNCR）系统已在市场上超过20年，在此期间，由于设备的改善，不断减少NOX排放量。通常知道这种系统可以使用氨水（NH 4 OH）或尿素（（NH 2）2CO）作为还原剂。然而，这留下了许多人的印象，即两种试剂在同样的效率方面工作，尽管它们之间存在相当大的技术和经济差异。

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《Global Cement Magazine》 |2017年第4期|共3页
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中图分类硅酸盐工业;
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1. SNCR: Aqueous ammonia or urea? [J] . Global Cement Magazine . 2017,第Apra期

机译：SNCR：氨水还是尿素？
2. Cuban zeolite as ammonium carrier in urea-based fertilizer pellets: Photoacoustic-based sensor for monitoring N-ammonia losses by volatilization in aqueous solutions [J] . Samylla Cristina Especie Bueno, Milton Baptista Filho, Paulo Sergio Gomes de Almeida Jr., Sensors and Actuators . 2015,第juna期

机译：古巴沸石作为尿素基肥料颗粒中的铵载体：基于光声的传感器，用于通过水溶液中的挥发监测氮氨的损失
3. Fermentation Characteristics, In Situ Rumen Degradation and Aerobic Stability of Whole Crop Barley Ensiled with Urea or Aqueous Ammonia [J] . Moosa Vatandoost, Mohsen Danesh Mesgaran, AliReza Vakili American Journal of Experimental Agriculture . 2012,第1期

机译：尿素或氨水包裹的全麦大麦的发酵特性，原位瘤胃降解和有氧稳定性
4. The TWIN-NOx ~R Process – Combination of Urea Solution and Ammonia Water increases the Performance of SNCR [C] . Bernd J. von der Heide POWER-GEN Europe Conference and Exhibition . 2012

机译：双NOX〜R过程 - 尿素溶液和氨水的组合增加了SNCR的性能
5. Reduction of NOx Emissions in a Single Cylinder Diesel Engine Using SNCR with In-Cylinder Injection of Aqueous Urea [D] . Timpanaro, Anthony 2019

机译：SNCR结合缸内注射尿素水减少单缸柴油机NOx排放
6. Why Urea Eliminates Ammonia Rather Than Hydrolyzes in Aqueous Solution [O] . Anastassia N. Alexandrova, William L. Jorgensen -1

机译：为什么尿素能在水中消除氨而不是水解解
7. Fermentation Characteristics, In Situ Rumen ‎Degradation and Aerobic Stability of Whole Crop ‎Barley Ensiled with Urea or Aqueous Ammonia [O] . Moosa Vatandoost 2012

机译：发酵特征，原位瘤胃降解整个作物大麦的降解和有氧稳定性尿素或氨水
8. Aqueous Ammonia Equilibrium - Tabulation of Percent Un-Ionized Ammonia [R] . Thurston, R. V. , Russo, R. C. , Emerson, K. 1979

机译：氨水平衡 - 未离子化氨的百分比列表

SNCR: Aqueous ammonia or urea?

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