scholarly journals Study on Zinc Oxide-Chromium Oxide Catalyst. II. Variation of Catalytic Activity for Methanol Decomposition with Addition of Chromia and Structural Dependence of Activity

1956 ◽  
Vol 29 (5) ◽  
pp. 587-594 ◽  
Author(s):  
Hiroshi Uchida ◽  
Yoshisada Ogino
Keyword(s):  
Zinc Oxide ◽  
Catalytic Activity ◽  
Chromium Oxide ◽  
Oxide Catalyst ◽  
Methanol Decomposition ◽  
Structural Dependence

scholarly journals Technological Aspects of Vegetable Oils Transesterification with Ethanol in the Presence of Metal Oxides

2020 ◽  
Vol 69 (7-8) ◽  
pp. 365-370
Author(s):  
Yuriy Melnyk ◽  
Roman Starchevskyi ◽  
Stepan Melnyk
Keyword(s):  
Zinc Oxide ◽  
Catalytic Activity ◽  
Metal Oxide ◽  
Metal Oxides ◽  
Vegetable Oil ◽  
Vegetable Oils ◽  
Sunflower Oil ◽  
Mass Fraction ◽  
Oxide Catalyst ◽  
Oxide Particles

Transesterification of vegetable oil with ethanol in the presence of fine metal oxide particles as catalysts has been investigated. Zinc and nickel(II) oxides were shown to have the highest catalytic activity. In their presence, the conversion of sunflower oil triglycerides, after 150 min, reached 95.3 and 94.2 %, respectively. The optimal mass fraction of zinc oxide catalyst was found to be 0.25–0.31 %. In the presence of zinc oxide, with mass fraction of water in ethanol of 5 and 10 %, the conversion of triglycerides was 98.5 and 94.8 %, respectively.

Synthesis and characterization of coal fly ash supported zinc oxide catalyst for biodiesel production using used cooking oil as feed

2021 ◽  
Vol 170 ◽  
pp. 302-314
Author(s):  
Adeyinka S. Yusuff ◽  
Aman K. Bhonsle ◽  
Jayati Trivedi ◽  
Dinesh P. Bangwal ◽  
Lok P. Singh ◽  
...  
Keyword(s):  
Zinc Oxide ◽  
Fly Ash ◽  
Oxide Catalyst ◽  
Coal Fly Ash ◽  
Biodiesel Production ◽  
Synthesis And Characterization ◽  
Cooking Oil ◽  
Used Cooking Oil
Sign in / Sign up

Export Citation Format

Share Document