Sentence examples for medium acid from inspiring English sources

The yield of acrolein was correlated with the fraction of medium acid sites on the catalysts.

Good activity and selectivity for dehydration of glycerol to acrolein were obtained by converting the strong acid sites of HPW to selective medium acid sites.

According to Vassilev's classification of chemical composition, RLA belongs to the K-MA zone (medium acid), RlsA to the K-zone (low acid) and RsA to the S-zone (high acid).

Highest furfural yields (37.06% respects to the total hemicelluloses contained in the initial raw material) were reached using HCl as catalyst at medium acid concentration, medium temperature and high time of reaction.

The best catalyst, with 50% of HPW loading (denoted as 50HPW/Cs-SBA), had the largest fraction of medium acid sites (71%) and gave 85% of acrolein yield at 300 °C with co-feeding of O2.

The strong surface acidity of ZCZ catalyst is not suitable to drive DME synthesis through a consecutive mechanism, while DME formation effectively proceeds on weak and medium acid sites of HZSM-5.

Fan studied the acidity of Al2O3, the medium Lewis acid site occupied the most acid sites, but there were no Bronsted acid sites [18].

Low temperature CO adsorption measurements showed that all solids exhibit essentially the same medium Brønsted acid strength.

According to other literature [40, 41], medium strong acid was conductive to the secondary reaction (oligomerization, hydrogen transfer reaction, et al). of intermediate product (such as olefins), medium strong acid was a final decisive factor in the formation of aromatics.

Besides, there is another weak peak around 603 K in sample V1 0, representing existence of some medium strong acid sites.

The DMM conversion were closely related to the medium-strong acid amount and greater amount of medium-strong acid sites resulted in higher DMM conversion.