New Generation of Eco-Friendly Catalysts for Selective Catalytic Reduction (SCR) of NOx and Related Reactions
A special issue of Catalysts (ISSN 2073-4344). This special issue belongs to the section "Environmental Catalysis".
Deadline for manuscript submissions: closed (30 November 2021) | Viewed by 3211
Special Issue Editor
Interests: heterogeneous catalysis; environmental catalysis; acid catalysis; solid acids; adsorption; surface properties
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
There are strict regulations concerning containment the most widespread gaseous pollutants vented from industrial sources and the transport sector toward achieving high air-quality standards in urban and extra-urban agglomerations; these have pushed the scientific community towards the development of new technologies and materials. Concerning the large number of available processes for nitrogen oxides, selective catalytic reduction (SCR) through the use of different reducing agents (hydrocarbons, urea or ammonia) and operating methods (with/without NOx traps) has become the most important technique and is, at present, being widely applied in some countries. The first generation of successful catalytic materials was based on zeolites and mixed oxides, with Cu–SSZ-13 and vanadia–titania representing the major studied catalytic systems. In the years to come, the development of a new generation of catalysts for SCR and other related reactions is expected, such as N2O decomposition, NH3-SCO, NO oxidation, which could also be coupled, in cascade, to achieve zero emission of pollutants in the atmosphere. New developed catalysts have to satisfy the requirements for greener materials, minimizing their impact in the environment from their synthesis to their disposal. The bioavailability of starting materials, absence of toxicity, and recycling will be some of the expected prerequisites.
The aim of this Special Issue is to cover promising recent research and new trends in the field of heterogeneous catalytic materials for SCR and other important environmental reactions. Oxides, phosphates, and bioavailable materials could open new scenarios in this field. The aim will also be to provide an understanding of the influence of catalysts composition and structure on their catalytic performances in predicting future applications.
Prof. Dr. Antonella Gervasini
Guest Editor
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Keywords
- environmental catalysis
- air quality protection
- heterogeneous catalysts
- NH3-SCR reaction
- N2O decomposition
- NH3-SCO
- NO oxidation
- oxides
- phosphates
- zeolites
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