The combined scheme of selective hydrogenation and etherization of FCC’s light gasoline and hydrogenation desulfurization of heavy gasoline can make gasoline quality meet EURO IV Standard, indicating that this combined scheme is a feasible scheme selection for gasoline quality updating and upgrading.

Synthesis technology and property of hydroxypropyl starch by using potato starch as raw material, propylene oxide as etherization reagent and sodium hydroxide as catalyst, were studied in this paper.

The preparation and property of hydroxypropyl mung bean starch were studied by using mung bean starch as raw materials,epoxypropane as etherization reagent,sodium hydroxide as catalyst,sodium sulfate as gelatinization inhibitor.

Effect of Carrier Activation on Etherification Activity of PW_(12)/Carbonized Resin Catalyst;

Studies on catalyst for production of diisopropyl ether by propylene hydration-etherification;

Reaction properties of RZE-3 zeolite catalyst for etherification of FCC light gasoline;

With corn starch as material, hydroxyethylated starch was prepared by first hydrolysing the starchwith acid, then etherifying it with epoxyethane.

Hydroxyethyl carboxymethyl cellulose(HECMC) was synthesized by using chloroethanol as etherifying agent instead of oxirane and chloroacetic acid without isolating intermediate.

The paper ascertains antioxidant center of dihydromyricetin molecular structure existing on B loop 3 , 4 , 5 location of phenol hydroxy by etherifying reaction in combination with quantum chemistry computation.