11137-98-7Relevant articles and documents
New treatment method for dilute hydrochloric acid using magnesium-aluminum oxide
Kameda, Tomohito,Yoshioka, Toshiaki,Uchida, Miho,Miyano, Yoshinori,Okuwaki, Akitsugu
, p. 595 - 599 (2002)
Magnesium-aluminum oxide (Mg-Al oxide) was shown to be superior to CO32- intercalated hydrotalcite (CO3-HT) for removing dilute hydrochloric acid. Cl- in a 0.5 M HCl solution could be quantitatively removed by adding 1.75-times the stoichiometric quantity of Mg0.70Al0.20O at 60 °C for 1 h. The solution after the reaction was weakly alkaline. This reaction could be adequately described as being first order for the HCl concentration, and the apparent activation energy was 49.3 kJ mol-1. The amount of Cl- removal per 1 g of Mg-Al oxide in the first use was 3.08 meq at a Mg/Al molar ratio of 2.0 and 2.89 meq at a ratio of 3.5.
One-pot synthesis of potassium-loaded MgAl oxide as solid superbase catalyst for Knoevenagel condensation
Zhao, Jin,Xie, Jun,Au, Chak-Tong,Yin, Shuang-Feng
, p. 33 - 37 (2013)
We report a new strategy for one-pot synthesis of potassium-loaded MgAl oxides using KOH to adjust the pH value of the reaction system. The as-prepared solid superbases were studied by N2 physisorption method, energy-dispersive X-ray spectrosco
