Selective conversion of lactic acid into acrylic acid over hydroxyapatite catalysts

2014 ◽  
Vol 48 ◽  
pp. 5-10 ◽  
Author(s):  
Yumiko Matsuura ◽  
Ayumu Onda ◽  
Kazumichi Yanagisawa
Keyword(s):  
Lactic Acid ◽  
Acrylic Acid ◽  
Selective Conversion

Selective conversion of lactic acid to acrylic acid over alkali and alkaline-earth metal co-modified NaY zeolites

2017 ◽  
Vol 7 (24) ◽  
pp. 6101-6111 ◽  
Author(s):  
Lili Zhang ◽  
De Sheng Theng ◽  
Yonghua Du ◽  
Shibo Xi ◽  
Lin Huang ◽  
...  
Keyword(s):  
Lactic Acid ◽  
Acrylic Acid ◽  
Alkaline Earth ◽  
Earth Metal ◽  
Environmentally Friendly ◽  
Catalytic Process ◽  
Alkaline Earth Metal ◽  
Selective Conversion ◽  
Nay Zeolites

A high AA selectivity of 84% was achieved through an environmentally friendly and sustainable catalytic process.

scholarly journals Design of Co, Cu and Fe–BEA Zeolite Catalysts for Selective Conversion of Lactic Acid into Acrylic Acid

2019 ◽  
Vol 149 (12) ◽  
pp. 3349-3360 ◽  
Author(s):  
Natalia Sobuś ◽  
Barbara Michorczyk ◽  
Marcin Piotrowski ◽  
Łukasz Kuterasiński ◽  
Damian K. Chlebda ◽  
...  
Keyword(s):  
Lactic Acid ◽  
Acrylic Acid ◽  
Zeolite Catalysts ◽  
Selective Conversion ◽  
Bea Zeolite

scholarly journals Lactic Acid Conversion to Acrylic Acid Over Fluoride-Substituted Hydroxyapatites

2020 ◽  
Vol 8 ◽  
Author(s):  
Robert Wojcieszak ◽  
Thomas Bonnotte ◽  
Sébastien Paul ◽  
Benjamin Katryniok ◽  
Franck Dumeignil
Keyword(s):  
Lactic Acid ◽  
Acrylic Acid

Catalytic dehydration of lactic acid to acrylic acid using calcium hydroxyapatite catalysts

2013 ◽  
Vol 15 (5) ◽  
pp. 1211 ◽  
Author(s):  
Vidhya C. Ghantani ◽  
Samadhan T. Lomate ◽  
Mohan K. Dongare ◽  
Shubhangi B. Umbarkar
Keyword(s):  
Lactic Acid ◽  
Acrylic Acid ◽  
Calcium Hydroxyapatite

Selective catalytic oxidation of sugar alcohols to lactic acid

2015 ◽  
Vol 17 (1) ◽  
pp. 594-600 ◽  
Author(s):  
Michael G. Manas ◽  
Jesús Campos ◽  
Liam S. Sharninghausen ◽  
Elisa Lin ◽  
Robert H. Crabtree
Keyword(s):  
Lactic Acid ◽  
Catalytic Oxidation ◽  
Hydrogen Gas ◽  
Sugar Alcohols ◽  
Iridium Catalysts ◽  
Selective Conversion ◽  
Highly Efficient ◽  
Selective Catalytic Oxidation

Homogeneous iridium catalysts are reported for the highly efficient and selective conversion of polyols to hydrogen gas and lactic acid.

scholarly journals Process Designs for Converting Propylene Glycol to Acrylic Acid via Lactic Acid and Allyl Alcohol

2019 ◽  
Vol 59 (3) ◽  
pp. 1183-1192
Author(s):  
M. M. Buitelaar ◽  
E. van Daatselaar ◽  
D. G. van Teijlingen ◽  
H. I. Stokvis ◽  
J. D. Wendt ◽  
...  
Keyword(s):  
Lactic Acid ◽  
Acrylic Acid ◽  
Propylene Glycol ◽  
Allyl Alcohol

Na2HPO4-modified NaY nanocrystallites: efficient catalyst for acrylic acid production through lactic acid dehydration

2014 ◽  
Vol 4 (5) ◽  
pp. 1376-1385 ◽  
Author(s):  
Junfeng Zhang ◽  
Yuling Zhao ◽  
Xinzhen Feng ◽  
Min Pan ◽  
Jing Zhao ◽  
...  
Keyword(s):  
Lactic Acid ◽  
Acrylic Acid ◽  
Acid Production ◽  
Surface Acidity ◽  
Formation Rate ◽  
Structural Features ◽  
Efficient Catalyst ◽  
Acid Yield

An acrylic acid yield of 74.3% and a formation rate of 12.0 mmol gcat−1 h−1 have been achieved at 340 °C by lactic acid dehydration over Na2HPO4-modified NaY nanocrystallites (NaY-n) due to appropriate surface acidity together with the unique structural features of NaY-n.

Dehydration of lactic acid to acrylic acid over lanthanum phosphate catalysts: the role of Lewis acid sites

2016 ◽  
Vol 18 (34) ◽  
pp. 23746-23754 ◽  
Author(s):  
Zhen Guo ◽  
De Sheng Theng ◽  
Karen Yuanting Tang ◽  
Lili Zhang ◽  
Lin Huang ◽  
...  
Keyword(s):  
Lactic Acid ◽  
Acrylic Acid ◽  
Lewis Acid ◽  
Acid Sites ◽  
Lewis Acid Sites ◽  
Lanthanum Phosphate ◽  
Lewis Acidic Sites ◽  
Acidic Sites ◽  
Nano Rods

Lewis acidic sites on the surface of lanthanum phosphate nano-rods play a crucial role on the catalytic dehydration of lactic acid to acrylic acid.

Barium sulphate catalyzed dehydration of lactic acid to acrylic acid

2014 ◽  
Vol 16 (1) ◽  
pp. 108-111 ◽  
Author(s):  
Jiansheng Peng ◽  
Xinli Li ◽  
Congming Tang ◽  
Wei Bai
Keyword(s):  
Lactic Acid ◽  
Acrylic Acid ◽  
Barium Sulphate
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