Tuning the Textural Properties of Biomass-Derived Nano-Crystallized Bea for Acetyl Functionalization: Investigation on Thermal Treatment

7 Pages Posted: 30 May 2024

See all articles by SRINIVASU PAVULURI

SRINIVASU PAVULURI

Indian Institute of Chemical Technology

Aparna Reddy

Indian Institute of Chemical Technology

Naresh Gaddam

affiliation not provided to SSRN

Noothana P

Indian Institute of Chemical Technology

Sandhya Suthapalli

Indian Institute of Chemical Technology

Madduluri Venkata Rao

Indian Institute of Chemical Technology

Subrahmanya Sarma A.V.

Indian Institute of Chemical Technology

Gangagni Rao Anupoju

Indian Institute of Chemical Technology

Abstract

The synthesis of a highly active ZB catalyst for acetyl functionalization of anisole by utilizing the silica precursor obtained from RH is a promising approach for mitigation of agricultural waste. The influence of CT (300, 500, 700, and 900°C) and time period on the characteristics of RHA was investigated. The C5-2H obtained at a medium CT (500°C) has a high surface area compared to the C7-2H indicates that, merging of smaller crystallites of amorphous silica to form crystalline silica with larger crystallites by applying more thermal energy when CT ≥ 700°C. The PS-5 catalyst derived from C5-2H has high acidity, a high surface area (332 m2/g) and a smaller crystallite size (14.8 nm) compared to the PS-7 obtained from C7-2H, has a lower surface area (131.5 m2/g) with a larger crystallite size (25.6 nm). Solid-state NMR studies and NH3-TPD analysis confirms that PS-5 catalyst possessing higher acidity compare to PS and PS-7. The activity studies confirm that the PS-5 catalyst exhibited superior catalytic activity (>98.0%) compared to PS (conventional) and PS-7 catalysts, making it a potential candidate for continuous production of aromatic ketones.

Keywords: Biomass, bio-silica, zeolites, acidity, acetalization, 4-methoxyacetophenone, continuous mode

Suggested Citation

PAVULURI, SRINIVASU and Reddy, Aparna and Gaddam, Naresh and P, Noothana and Suthapalli, Sandhya and Venkata Rao, Madduluri and A.V., Subrahmanya Sarma and Anupoju, Gangagni Rao, Tuning the Textural Properties of Biomass-Derived Nano-Crystallized Bea for Acetyl Functionalization: Investigation on Thermal Treatment. Available at SSRN: https://ssrn.com/abstract=4848249 or http://dx.doi.org/10.2139/ssrn.4848249

SRINIVASU PAVULURI (Contact Author)

Indian Institute of Chemical Technology ( email )

Hyderabad, 500607
India

Aparna Reddy

Indian Institute of Chemical Technology ( email )

Hyderabad, 500607
India

Naresh Gaddam

affiliation not provided to SSRN ( email )

No Address Available

Noothana P

Indian Institute of Chemical Technology ( email )

Hyderabad, 500607
India

Sandhya Suthapalli

Indian Institute of Chemical Technology ( email )

Hyderabad, 500607
India

Madduluri Venkata Rao

Indian Institute of Chemical Technology ( email )

Hyderabad, 500607
India

Subrahmanya Sarma A.V.

Indian Institute of Chemical Technology ( email )

Hyderabad, 500607
India

Gangagni Rao Anupoju

Indian Institute of Chemical Technology ( email )

Hyderabad, 500607
India

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