Role of Citric Acid Modification on Hydrodesulfurization of DBT and 4,6 DMDBT in the Presence of Pyridine Over CoMo/Al2O3 | Zendy

Pawinee Sintarako | Zendy; Piyasan Praserthdam | Zendy; Vivan Thammongkol | Zendy; Banpot Pokacharoenwatjana | Zendy; Watchara Yuanglamyai | Zendy; Chattrapha Inthiwong | Zendy

Open Access

Role of Citric Acid Modification on Hydrodesulfurization of DBT and 4,6 DMDBT in the Presence of Pyridine Over CoMo/Al2O3

Author(s) -

Pawinee Sintarako,

Piyasan Praserthdam,

Vivan Thammongkol,

Banpot Pokacharoenwatjana,

Watchara Yuanglamyai,

Chattrapha Inthiwong

Publication year - 2015

Publication title -

asean journal of chemical engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.153

H-Index - 5

eISSN - 2655-5409

pISSN - 1655-4418

DOI - 10.22146/ajche.49694

Subject(s) - citric acid , pyridine , chemistry , catalysis , hydrodesulfurization , nitrogen , inorganic chemistry , diesel fuel , organic chemistry , nuclear chemistry

In this study, the effect of pyridine as a basic nitrogen compound on HDS activity of DBT and 4,6 DMDBT in treated diesel over modified CoMo/Al2O3 by citric acid has been investigated. It has been obviously found that the modification of CoMo/Al2O3 catalyst by citric acid can inhibit the influence of pyridine on HDS activity of DBT and 4,6 DMDBT. This can be explained that when citric acid was applied in the catalyst preparation, the increasing of total amount of acid sites and the enhancement of HDN activity play an important role in the tolerance of pyridine.

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