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Treatment of odorous sulphur compounds by chemical scrubbing with hydrogen peroxide - Stabilisation of the scrubbing solution

机译:用过氧化氢化学洗涤法处理臭味硫化合物-洗涤液的稳定化

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摘要

To slow down the hydrogen peroxide decomposition in basic aqueous conditions, the addition of stabilizers and costabilizers in the scrubbing solution was investigated. Results found with sodium silicate (Na2SiO3) were quite promising but several problems still remained. Based on these observations, this study focused on the research of a better stabilizer. Several ways were investigated: the use of silicate solutions employed in pulp industries, the addition of co-stabilizers to sodium silicate, or the use of an another stabilizer (the poly-alpha- hydroxyacrylic acid). Experiments revealed that the poly-alpha-hydroxyacrylic acid is the best stabilizing compound.
机译:为了减慢碱性水溶液条件下过氧化氢的分解,研究了在洗涤溶液中添加稳定剂和稳定剂。用硅酸钠(Na 2 SiO 3)发现的结果是很有希望的,但是仍然存在一些问题。基于这些观察,本研究致力于更好的稳定剂的研究。研究了几种方法:在纸浆工业中使用硅酸盐溶液,在硅酸钠中添加助稳定剂或使用另一种稳定剂(聚α-羟基丙烯酸)。实验表明,聚α-羟基丙烯酸是最佳的稳定化合物。

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