Processes for producing synthesis gas employ a catalyst composition comprising a reducible metal oxide, or mixture of such oxides, that is active in catalyzing the conversion of methane and/or other light alkanes, in the absence of gaseous oxygen, to primarily CO and H2 by a net catalytic ...
Kobayashi K, Hiraki T, Nagasaka T (2012) Oxidation of pure solid CaS with Ar–O 2 gas mixture. High Temp Mater Process 31(4–5):667–673K. Kobayashi, T. Hiraki, T. Nagasaka: "Oxidation of Pure Solid CaS with Ar-O2 Gas Mixture", High Temperature Materials and Processes, 2012, vol...
According to these previous studies, the mass decreases can be interpreted as the release of nitrogen (as N2 gas) from an intermediate oxynitride product that is formed during the oxidation of the nitride phases. We have not detected nitrogen in the SEM-EDS examinations; only oxygen and ...
Ozone is a bluish gas with a pungent smell and is an extremely reactive and unstable allotrope of oxygen (O2). The physical properties of ozone are listed in Table 2 (compiled from [2]). Table 1. Typical Advanced Oxidation Processes (AOP). H2O2/UVFe2+/H2O2(Fenton System)O3/H2O2 O3/...
第1节 氧化还原反应与原电池一、化合价与氧化数(Oxidation Number)氧化-还原反应:有电子得失(或电子偏移)的反应。the surroundings氧化剂 + 还原剂 还原产.ppt,第1节 氧化还原反应与原电池;The loss or gain of electrons is easy to identify for monatomic ions,
Cross-sectional observation showed that the dry oxidation produces a lamellar TiO 2 scale consisting of many thin layers, about 5 μm thick, containing many pores and large cracks, while H 2 O-containing oxidation decreases pores in number and diminishes cracks in scales. Gas evolution of CO ...
Mechanism of the noncatalytic oxidation of soot using in situ transmission electron microscopy Ming Gao, Yongjun Jang, Lu Ding, Yunfei Gao, Sheng Dai, Zhenghua Dai, Guangsuo Yu, Wenming Yang & Fuchen Wang Nature Communications volume 14, Article number: 6256 (2023) Cite this artic...
npj Materials Degradation volume 6, Article number: 61 (2022) Cite this article 3045 Accesses 14 Citations 3 Altmetric Metrics details Abstract The oxidation of chromium in air at 700 °C was investigated with a focus on point defect behavior and transport during oxide layer growth. A ...
(a) CO signal from the mass spectrometer (black line) and the integrated CeIV-O F2g peak intensity (purple line) with time; (b) The production/consumption amount of the gas species in the methane pulse experiment with in situ Raman by a mass spectrometer vs. the pulse number; (c) The...
These DO concentrations are generally lower than those used for previous nitrite oxidation rate measurements in OMZs6,9, but similar to work examining the oxygen affinity of nitrite oxidation22 and overall oxygen consumption16,19. Elevated nitrite oxidation in the limited number of samples (n =...