Issue 6, 2013
From the journal:

Green Chemistry

Benzoylation for the recovery of structure directing agent (di-n-propylamine) from the process effluent of aluminophosphate synthesis†

Nageswara N. Rao*a  and  Smita Masida  

* Corresponding authors

a Wastewater Technology Division, National Environmental Engineering Research Institute (Council of Scientific and Industrial Research), Nehru Marg, Nagpur-440020, India
E-mail: nn_rao@neeri.res.in, smitamasid@gmail.com
Fax: +91-712-2249900
Tel: +91-712-2249885-88

Abstract

Di-n-propylamine (DPA), a structure directing agent for (silico)aluminophosphate (AlPO4) synthesis, is lost into the mother liquor (ML, 5–6 wt%) from the filtration step. A simple benzoylation reaction could recover DPA as N,N,-dipropylbenzamide (DPBA). The reaction also leads to the recovery of more AlPO4 and a decrease in the pollution caused by the ML.

Graphical abstract: Benzoylation for the recovery of structure directing agent (di-n-propylamine) from the process effluent of aluminophosphate synthesis

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Article information

DOI
https://doi.org/10.1039/C3GC40759D
Article type
Communication
Submitted
22 Apr 2013
Accepted
25 Apr 2013
First published
26 Apr 2013

Green Chem., 2013,15, 1526-1529

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Benzoylation for the recovery of structure directing agent (di-n-propylamine) from the process effluent of aluminophosphate synthesis

N. N. Rao and S. Masid, Green Chem., 2013, 15, 1526 DOI: 10.1039/C3GC40759D

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