Mechanism investigation on yellow phosphorus inducing O, O 3 and OH• radicals in phosphate rock slurry for high-efficiency NO oxidation
Separation and Purification Technology, ISSN: 1383-5866, Vol: 312, Page: 123435
2023
- 7Citations
- 5Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
Citation Benchmarking is provided by Scopus and SciVal and is different from the metrics context provided by PlumX Metrics.
Article Description
NO x abatement with low cost is the difficulty for coal-fired flue gas at middle and low temperature. It is considered to be an extremely promising technology to eliminate NO x by employing phosphorus sludge and phosphate rock slurry as absorbent in the industry. However, due to the unclear denitrification mechanism, the consumption of phosphorus sludge is relatively large. Herein, the mechanism of NO oxidation and removal was investigated in depth, in the absorbent prepared by yellow phosphorus and phosphate rock slurry. The results show that the reaction of yellow phosphorus with oxygen in water can induce O atoms and OH• radicals, which are proved to be the major oxidants for the removal of NO, based on characterizations and theoretical calculation results. Hence, the denitrification efficiency is greater than 90%, when the molar ratio of O 3 to NO is 0.15. Further, the possible reaction pathway for the oxidative removal of NO is proposed. Besides, magnesium calcium carbonate and calcium fluorophosphate, the main components of phosphate rock, play a crucial role in the efficient removal of NO x.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S138358662300343X; http://dx.doi.org/10.1016/j.seppur.2023.123435; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85148347012&origin=inward; https://linkinghub.elsevier.com/retrieve/pii/S138358662300343X; https://dx.doi.org/10.1016/j.seppur.2023.123435
Elsevier BV
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