Is so4 a greenhouse gas?
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| Papers (8) | Insight |
|---|---|
174 Citations | This mechanism of SO4− formation can account for observed SO4− concentrations in rain, fog, and smog only if some neutralizing cations in the aerosols or traces of NH3 in the air are present. |
39 Citations | Based on the assumption that no fractionation occurs between Se and SO4 aerosols during nucleation scavenging, it is shown that a simultaneous measurement of SO4 and Se in cloud water and ambient air permits a direct determination of in-cloud SO4 formation. |
15 Citations | These data demonstrate that SO4 is required for heterotrophic growth of strain fer1 and may have a role in the global sulfur cycle. |
| This behavior of aerosols is due to the fact that the sources of EC and SO4 are not the same and also due to the enhanced photochemical activity during summer months that increased the production of SO4 from SO2. | |
| Relatively stronger correlations were observed between NH4 + and SO4 2- with the correlation coefficient R 2 of 0.62 and 0.82, respectively, at the photo and etch areas; this indicates their common source was possibly from the gas to particle formation process. | |
| Thus, the Yedoma deposits especially showed a high potential for providing substrates relevant for microbial greenhouse gas production. | |
| The formation of organosulfates suggests that conventional inorganic SO4= chemical analysis may underestimate total SO4= mass in ambient aerosols. | |
25 Citations | Results of this study indicate the variability of greenhouse-gas fluxes from peatland soils is influenced by the SOM quality derived from the overlying vegetation. |
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What are the greenhouse gases?5 answersGreenhouse gases are gases in the Earth's atmosphere that absorb and emit infrared radiation, leading to the trapping of heat and the warming of the atmosphere. The primary greenhouse gases include water vapor, carbon dioxide, methane, nitrous oxide, and ozone. Water vapor is the most abundant greenhouse gas and has the largest greenhouse effect due to its ability to emit and absorb infrared radiation at many wavelengths. Carbon dioxide is the most important greenhouse gas that is increasing in concentration due to human activities, contributing about 72% of the enhanced greenhouse effect. Other greenhouse gases, such as methane and nitrous oxide, also contribute to the greenhouse effect, albeit to a lesser extent. The accumulation of greenhouse gases in the atmosphere is a major contributor to global warming and climate change.
What's the state of the art in SO2 capture with ionic liquids?}?4 answersIonic liquids (ILs) have shown promise in the field of SO2 capture. Traditional ILs with anions such as BF4-, PF6-, Tf2N-, F-, Cl-, Br-, and I- can absorb SO2 through physical interaction, but they are not suitable for industrial conditions due to weak interactions. Functional ILs, including organic acid salt ILs, phenolate ILs, azolate ILs, ether-based ILs, amine-based ILs, and multi-functional ILs, have demonstrated highly efficient SO2 absorption under ambient conditions. Novel azolate ILs have been found to have a two-mole chemical absorption capacity through two-site cooperative interactions. Guanidinium-based poly(ionic liquids) have also been developed, with nonporous guanidinium-based poly(ionic liquids) showing high selectivities for SO2/CO2 and SO2/N2. Dicarboxylic acid-based ILs have shown good performance for SO2 capture, with the anion playing an important role in absorption/desorption. Overall, the state of the art in SO2 capture with ILs involves the use of functional ILs and guanidinium-based poly(ionic liquids) with high selectivities and efficient absorption capacities.
What equipment to treat gas emission thath have so2 and no2?4 answersThe plasma precipitator reactor is an equipment used to treat gas emissions containing SO2 and NO2. It combines dust deposition-capture technology with plasma to remove fine particles and toxic gases from the emissions. The reactor was successfully tested in the textile industry and showed a significant decrease in the levels of SO2 and NO2 gases. Another method for treating SO2 and NOx gases is the use of polysulfone membranes with hydrogen peroxide and sodium hydroxide solutions as absorbents. These solutions oxidize NOx into soluble species and absorb SO2 gas, respectively. Additionally, a Wet Direct Recycling Micro-nanobubble Flue Gas Multi-pollutants Removal System (WDRMRS) was developed for the simultaneous removal of NO, SO2, and Hg0. This system uses micro-nanobubbles and urea as a reductant to react with the pollutants and produce non-toxic byproducts. Commercial impregnated activated carbon can also be used to remove SO2 and NOx from flue gas in pre-treatment sections of CO2 capture units.
Is SO3- polar or non polar?5 answersSO3 is a polar molecule. The abstracts do not directly state whether SO3 is polar or nonpolar. However, the abstract by Brauer et al. mentions a "chalcogen bond" between SO3 molecules, which suggests that SO3 has a polar nature. Additionally, the abstract by Zhou et al. mentions that SO3 is an acidic component, which further supports the idea that SO3 is polar.
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