Sentence examples for alkaline catalyst from inspiring English sources

Instead, PVA is made by dissolving another polymer, polyvinyl acetate (PVAc), in an alcohol such as methanol and treating it with an alkaline catalyst such as sodium hydroxide.

In the present study, the synthesis of fatty acid esters from castor oil using an alkaline catalyst was optimized.

Initial formaldehyde/phenol mixtures were fixed to pH=8.0 by adding triethylamine as alkaline catalyst.

Additional experiments were performed at the optimum methanol ratio (600 1) to compare results obtained using an alkaline catalyst with an acid catalyst.

Both the reactions occur in gas-liquid reactors by feeding gaseous EO, PO or both into the reactor containing a solution of an alkaline catalyst (KOH or NaOH).

In terms of time, the alkaline catalyst (sodium hydroxide) outperformed the acid catalyst (sulphuric acid) obtaining higher conversions at lower reaction times.

During oxygen reduction, certain variants of the mildly reduced graphene oxide electrocatalyst exhibit highly selective and stable peroxide formation activity at low overpotentials (<10 mV) under basic conditions, exceeding the performance of current state-of-the-art alkaline catalysts.

The researchers found that their mildly reduced graphene oxide (mrGO) showed highly selective, stable, and efficient peroxide formation under basic conditions, exceeding the performance of current state-of-the-art alkaline catalysts.

In order to remove FFA, a two-step process that employed acidic catalysts first in esterification followed by alkaline catalysts was used in transesterification.

For extraction of lignin, co-solvent system is the most adopted for hydrolysis or solvolysis of lignin assisted by acid or alkaline catalysts.

This behavior suggests that methanolysis with alkaline catalysts, usually considered as a homogeneous process, should in fact be assumed to be heterogeneous.