“…34 Similarly, calcination is a general method for the production of zinc oxide 35 and the recovery of metal zinc in the form of zinc oxide from zinc-containing waste. 36,37 As for the classical hydroxylaminolysis using alkali, it is difficult to compare energy consumption because of not involving reagent recovery and wastewater disposal. However, in terms of the comparison of wastewater disposal, it is easier to recover the mono-component aqueous hydroxylamine by evaporation than to treat wastewater composed of water, VOCs and inorganic salts.…”
There are many protocols for the preparation of hydroxamic acids from their corresponding carboxylic esters or carboxylic acids, but as for ester precursors, strong bases are usually indispensable. Herein, an...
“…34 Similarly, calcination is a general method for the production of zinc oxide 35 and the recovery of metal zinc in the form of zinc oxide from zinc-containing waste. 36,37 As for the classical hydroxylaminolysis using alkali, it is difficult to compare energy consumption because of not involving reagent recovery and wastewater disposal. However, in terms of the comparison of wastewater disposal, it is easier to recover the mono-component aqueous hydroxylamine by evaporation than to treat wastewater composed of water, VOCs and inorganic salts.…”
There are many protocols for the preparation of hydroxamic acids from their corresponding carboxylic esters or carboxylic acids, but as for ester precursors, strong bases are usually indispensable. Herein, an...
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