On January 1, 2022, Montesantos, Nikolaos; Fini, Mahdi Nikbakht; Muff, Jens; Maschietti, Marco published an article.SDS of cas: 4719-04-4 The title of the article was Proof of concept of hydrothermal oxidation for treatment of triazine-based spent and unspent H2S scavengers from offshore oil and gas production. And the article contained the following:
The feasibility of the hydrothermal oxidation of a wastewater derived from H2S scavenging operations, carried out in a topside offshore oil and gas installation, was demonstrated. The feed characterization showed the presence of mainly unreacted triazine (unspent scavenger), monoethanolamine and dithiazine (spent scavengers). The spent and unspent scavengers (SUS) were subjected to hydrothermal oxidation in a batch reactor at approx. 200°C (low temperature, LT) and 350°C (high temperature, HT), using oxygen in excess. The experiments were performed for six reaction times at each temperature, in the range 3 to 360 min at LT and 1 to 120 min at HT. Diluted SUS (COD around 30 g/kg) was used as reactor feed. The three main compounds of the SUS were not found in any of the oxidation products, which means they are fast converted. COD reductions up to 84% and 98% were obtained at LT and HT, resp. A rate equation of second order with respect to the COD was found suitable to represent the rate of disappearance of COD, with the rate constant at HT approx. 70 times higher than at LT. The extensive anal. carried out on the reaction products showed the presence of C1-C4 carboxylic acids, pyridines and pyrazines as intermediate oxidation products. A clear trend towards complete mineralization of organic nitrogen to ammonium, except for small amounts of nitrate at LT, and of organic sulfur towards sulfate, was observed The experimental process involved the reaction of 2,2′,2”-(1,3,5-Triazinane-1,3,5-triyl)triethanol(cas: 4719-04-4).SDS of cas: 4719-04-4
The Article related to triazine spent hydrogen sulfide scavenger hydrothermal oxidation wastewater treatment, Waste Treatment and Disposal: Chemical Treatment Of Aqueous Wastes and other aspects.SDS of cas: 4719-04-4
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