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91, Propylene oxide (PO) is an important chemical raw material and intermediate, which is produced by the conventional chlorohydrin and indirect oxidation processes today.

92, In industrial production of PP, the ethylene is interpolated in propylene polymerization.

93, Ethylene - propylene - diene rubber ( EPDM ) was filled with nano - CaCO 3 which was in - situ modified by methacrylic acid ( MAA ).

94, A divided wall column was used to separate propylene and propane.

95, DQ-1 catalyst is a high activity catalyst for propylene polymerization and co-polymerization. It is completely spherical with high stereoregularity, and high sensitivity towards hydrogen regulation.

96, The improved design is proposed for the modulatory ratio system of propylene and chlorine and the heat control system of saponification reaction.

97, For synthesis of cumene used benzene with propylene a fixed bed catalytic distillation column and a suspension catalytic distillation column is respectively simulated.

98, The long-term operation and worse separation effect of HP/LP Depropanizer and Debutanizer, which is due to serious fouling, leads to the low yields of propylene and mixed C_4.

99, Effect of reaction temperature on coking deactivation of a modified HY zeolite catalyst for alkylation of benzene with propylene was investigated.

100, SDC-6000 catalyst is developed to fulfill the requirements of maximizing isoparaffin, propylene and reducing the olefins in gasoline.

101, A method of using ion-exchange membrane electrodialysis for treating the alkali washing wastewater from the propylene chlorohydrination tail gas in the preparation of propylene-oxide is described.

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102, It is difficult to keep favorable controlling performance of model predictive control (MPC) by linear model due to controlled plant nonlinearity in propylene rectifier.

103, In response, enterprising chemical companies have stepped up with a host of alternative solvents, including liquid carbon dioxide, silicones, propylene glycol ethers, and improved hydrocarbons.

104, Direct determination for free propylene glycol content in propylene glycol ester was put forward.

105, Shampoos contain around 15 chemicals including Sodium Lauryl Sulphate, Tetrasodium and Propylene Glycol, known to cause eye damage.

106, The viscosity properties of food thickening agent propylene glycol alginate (PGA) are studied.

107, The result showed proper reaction temperature, catalyst to oil ratio and short reaction time may detriment thermal cracking reaction, hydrogen transfer reactions, and get high propylene selectivity.

108, Optimization with HYSYS system on depropanizer operation for cracking unit can reduce propylene loss and ensure the high quality C4 product.

109, Propylene, the common petroleum gas, is subject to gasification under heating and liquification under pressure.

110, 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.

111, Using macroporous strong acidic cation resin as catalyzeramdphenol and propylene as raw materials, alkylphenol was synthesized.

112, Acrylic dispersion was prepared by adding water into polyacrylic solution which was carried out in the present of propylene glycol monomethyl ether acetate using di-tert-butyl peroxide as initiator.

113, A novel method for the synthesis of 2, 3, 5 - trimethylpyrazine was studied using biacetyl and propylene diamine as raw materials.

114, Synthesis of Propylene Glycol Monomethyl Ether with Novel Alkaline catalyst is developed and manufactured.

115, The invention discloses a tacticity regulator used for propylene polymerization and an application of the regulator.

116, Ethyne has two kinds of downstream products. One is the same downstream products that can be gotten from ethylene and propylene, such as chloroethylene, vinyl acetate and acrylic acid, etc.

117, The results of simulating calculation showed that using middle reboiler in propylene rectification column could reduce project investment and operation cost.

118, The present invention belongs to the field of chemical technology, and is multistage fluidized bed reactor for oxidizing propylene into propenoic acid and the preparation process therein.

119, The running status of the units show that of the MIP-CGP technology in FCC units is successful, and the aim to increase propylene production, to produce clear gasoline is attained.

120, The main methods for producing propylene oxide are the processes of chlorohydrination and cooxidation.