The deposition of NHHSO on catalysts is one of the key issues for selective catalytic reduction of NO. In this study, NHHSO was preloaded on catalysts, and the effects of MoO and CeO doping on the decomposition and reactivity of NHHSO on VO/TiO catalysts are studied. The results show that the introduction of MoO and CeO significantly promoted NO conversion on the VO/TiO catalysts. Doping with MoO could effectively enhance the S and HO resistance of the catalysts. Fourier transform infrared spectroscopy (FTIR) and X-ray photoelectron spectroscopy (XPS) analysis indicate that it is the strong chemical interactions between NHHSO and the catalysts that are adverse to the decomposition of NHHSO. However, doping with MoO apparently inhibits these interactions, which significantly decrease the decomposition temperature of NHHSO. In situ FTIR experiments show that the NH in preloaded NHHSO could react with gaseous NO on catalysts, and doping with MoO could facilitate the reaction rate.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1007/s11356-020-09343-6 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Highly efficient Z-scheme CeO/BiMoO heterojunction strengthened by redox mediator for photoelectrochemical detection of tetracycline with enhanced sensitivity.
Food Chem
February 2025
East China Woody Fragrance and Flavor Engineering Research Center of NF&GA, Jiangxi Provincial Key Laboratory of Improved Variety Breeding and Efficient Utilization of Native Tree Species 2024SSY04093, Key Laboratory of Chemical Utilization of Plant Resources of Nanchang, College of Forestry, Jiangxi Agricultural University, Nanchang 330045, PR China. Electronic address:
Accurate monitoring of antibiotics that pose risks to the environment and human health is essential. The photoelectrochemical system has emerged as a rapid and precise method for detecting environmental pollutants. However, current photoelectrochemical materials made of semiconductors face challenges due to poor photoelectric conversion efficiency.
View Article and Find Full Text PDFStrikingly Facile Cleavage of N-H/N-O Bonds Induced by Surface Frustrated Lewis Pair on CeO(110) to Boost NO Reduction by NH.
Environ Sci Technol
October 2024
College of Chemistry, Chemical Engineering and Materials Science, Shandong Provincial Key Laboratory of Clean Production of Fine Chemicals, Institute of Materials and Clean Energy, Shandong Normal University, Jinan 250014, China.
Article Synopsis
- Ceria with frustrated Lewis pairs (FLPs) shows enhanced activation of small molecules, particularly in the selective catalytic reduction of NO by NH (NH-SCR), outperforming regular CeO(110).
- An innovative hydrogen treatment increases the number of FLPs, further boosting NH-SCR efficiency by shifting the reaction mechanism from Eley-Rideal (E-R) to Langmuir-Hinshelwood (L-H), as revealed by density functional theory (DFT) calculations.
- The practical application of FLPs is demonstrated by incorporating MoO onto FLP-rich FR-CeO, highlighting the synergistic effects that improve bond activation in small molecules, which opens new avenues for catalyst design.
High-Throughput Assessment of Metabolism-Mediated Neurotoxicity by Co-Culture of Neurospheres and Liver Spheroids.
Curr Protoc
October 2024
Bioprinting Laboratories Inc., Dallas, Texas.
The liver's role in the biotransformation of chemicals is critical for both augmented toxicity and detoxification. However, there has been a significant lack of effort to integrate biotransformation into in vitro neurotoxicity testing. Traditional in vitro neurotoxicity testing systems are unable to assess the qualitative and quantitative differences between parent chemicals and their metabolites as they would occur in the human body.
View Article and Find Full Text PDFCeO nanospheres incorporated with BiMoO/g-CN enhanced photocatalysis towards environmental pollutant Rhodamine B removal.
Environ Sci Pollut Res Int
July 2024
Advanced Nanomaterials and Energy Research Laboratory, Department of Energy Science and Technology, Periyar University, Salem, 636011, India.
We have adopted a novel CeO/BiMoO/g-CN-based ternary nanocomposite that was synthesized via hydrothermal technique. The physiochemical characterization of as-prepared samples was examined through various analytical techniques such as X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), field emission scanning electron microscopy (FE-SEM), transmission electron microscopy TEM, photoluminescent spectra (PL), X-ray photoelectron spectroscopy (XPS), Brunauer-Emmett-Teller (BET), and ultraviolet diffuse reflectance spectroscopy (UV-DRS) technique. In addition, the photocatalytic performance was carried out by degradation of Rhodamine B dye under visible light irradiation using this nanocatalyst.
View Article and Find Full Text PDFDistribution characteristics and migration pathways of metals during hydrothermal liquefaction of municipal sewage sludge in the presence of various catalysts.
Sci Total Environ
April 2024
GIG, Department of Energy Saving and Air Protection, Plac Gwarków 1, 40-166 Katowice, Poland. Electronic address:
A series of hydrothermal liquefaction (HTL) experiments with two different samples of municipal sewage sludge (MSS) were conducted at 350 °C for 30 min residence time in a high pressure batch reactor. The main aim of the study was to explore the distribution and migration pathways of a broad range of metals and metalloids in the HTL products (bio-oil, char and aqueous phase) obtained in the presence of various homogeneous and heterogeneous catalysts (NaCO, LiCO, KCO, Ba(OH), FeO, CeO, NiMo/MoO, MoS, Ni/NiO, SnO, FeS). The elements under study included 16 environmentally significant metals and metalloids (As, B, Ba, Cd, Co, Cr, Cu, Mn, Mo, Ni, Pb, Sb, Se, Sn, Zn and Hg).
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!