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ARSENIC ACID - Europe PMC

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Last Updated: 10 July 2022

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A shortcut approach for cooperative disposal of flue dust and waste acid from copper smelting: Decontamination of arsenic-bearing waste and recovery of metals.

A key area and challenge for arsenic contamination control and resource sustainability is recovering contaminated elements and metals from copper smelting flue dust. During the low-temperature roasting of arsenic, a arsenic-bearing waste acid from the copper industry was used as an additive and effective removal of arsenic was obtained at 350 b0C, which followed the theory of "treating garbage with garbage. " Both theory and experiment explored the migration rules of metal elements and phase transition in the whole process.

Source link: https://europepmc.org/article/MED/35780900


Total arsenic, dimethylarsinic acid, lead, cadmium, total mercury, methylmercury and hypertension among Asian populations in the United States: NHANES 2011-2018.

Using the 2011-2018 National Health and Examination Survey results, this study sought to investigate the connections between these metal/metalloid levels and blood pressure levels and prevalence of hypertension in general NHA. Both As, DMA, Pb, Cd, Hg, and MeHg levels were tested with blood pressure levels and prevalence of hypertension respectively, and potential confounders were adjusted in these regression models. To determine the joint effects of metals mixture on blood pressure level and hypertension, a quantitative-based g-computation approach was used. NHA, urinary Asy, and Hg levels were elevated with elevated DBP level, which led to elevated blood pressure levels and hypertension; however, no association was established between urinary Cd and SBP levels; however, no association was found between urinary Cd and hypertension; however, no association was found between urinary Cd and SBP levels; however, no association was found between urinary Cd and Hg levels; An elevated SBP level was associated with higher blood Pb level and increased prevalence of hypertension, but not DBP level and prevalence of hypertension were among non-NHA participants; Urinary Pb levels were also related to decreased DBP level and increased SBP level; also, increased SBP level and prevalence of hypertension; and, without doubt, elevated SBP level and increased DBP level were associated with decreased DBP level and prevalence of hypertension; In addition, positive correlations were found between blood Pb t Conclusions: Intuitive hypertension and elevated blood pressure levels were correlated with increased blood pressure levels and NHA's greater risk of hypertension.

Source link: https://europepmc.org/article/MED/35738098


Complexation, retention and release pattern of arsenic from humic/fulvic acid extracted from zinc and iron enriched vermicompost.

Arsenic is a potent heavy metal with significant environmental implications. The current report involved non-enriched vermicompost, six distinct Zn and Fe enriched vermicomposts, and analyzing their chemical composition using the standard methods. Organic fractions from these seven vermicompost and arsenic polluted soils of West Bengal, India's fertile soils were found and separated into humic and fulvic acid fractions. The maximum value of FA extracted from enriched vermicompost V4 was 10. 20 in a queous phase, with a mole ratio of 1. 36.

Source link: https://europepmc.org/article/MED/35724573


Study of arsenic adsorption in calcareous soils: Competitive effect of phosphate, citrate, oxalate, humic acid and fulvic acid.

The findings showed that the presence of phosphate, citrate, and oxalate in soil has a significant effect on soil arsenic retention, which raises As bioavailability. The Double Site Langmuir isotherm was the best fitted to the adsorption results, indicating that the majority of As adsorbed on the low-energy surfaces was the most suitable for the adsorption results. Similarly, in soils 2, 3, and 4, the adsorption capacities of both high- and low-energy surfaces as well as the Langmuir constant of high-energy surfaces as well as the soil-As system decreased by the addition of phosphate, citrate, and oxalate.

Source link: https://europepmc.org/article/MED/35717699

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions