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Feasibility tests of -SO3H/-SO3--functionalized magnesium phyllosilicate [-SO3H/-SO3- MP] for environmental and bioenergy applications

机译:-SO3H / -SO3--官能化页硅酸镁[-SO3H / -SO3-MP]在环境和生物能源应用中的可行性测试

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摘要

We have prepared a simplewater-solubilized, transparent, and anionic clay. -SH-functionalized magnesium phyllosilicate [-SH MP] was easily oxidized into -SO3H/-SO3--functionalized magnesium phyllosilicate [-SO3H/-SO3- MP] by treatment of 5.0% H2O2 at 60 degrees C for 24 hours, showing a pH of similar to 2.0. These water-solubilized and anionic nanoparticles (NPs) were tested with organo-building blocks of -SO3H/-SO3- MP for removal of cationic pollutant dye (methylene blue) and heavy metals (Cd2+ and Pb2+). Furthermore, interactions of ubiquitous humic acid (HA) with -SO3H/-SO3- MP were removed due to an ion exchange mechanism. For bioenergy applications, glucose conversion from cellulose was tested, focusing on Bronsted acid-rich sites in -SO3H/-SO3- MP.
机译:我们准备了一种简单的水溶性,透明和阴离子粘土。通过在60°C下处理5.0%H2O2 24小时,-SH-官能化的层状硅酸镁[-SH MP]易于氧化为-SO3H / -SO3-官能化的层状硅酸镁[-SO3H / -SO3-MP]。 pH值接近2.0。使用-SO3H / -SO3-MP的有机结构单元测试了这些水溶性和阴离子纳米粒子(NP),以去除阳离子污染物染料(亚甲基蓝)和重金属(Cd2 +和Pb2 +)。此外,由于离子交换机理,普遍存在的腐殖酸(HA)与-SO3H / -SO3-MP的相互作用被消除。对于生物能源应用,测试了纤维素的葡萄糖转化,重点是-SO3H / -SO3-MP中的布朗斯台德富酸位点。

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