One-Pot Three-Component Synthesis of New Mono- and Bis-1,2,3-triazole Derivatives of 2-Benzimidazolethiol with a Promising Inhibitory Activity against Acidic Corrosion of Steel
SYNTHESIS-STUTTGART
Authors: Cruz-Gonzalez, Deysi Y.; Gonzalez-Olvera, Rodrigo; Negron-Silva, Guillermo E.; Lomas-Romero, Leticia; Gutierrez-Carrillo, Atilano; Palomar-Pardave, Manuel E.; Romero-Romo, Mario A.; Santillan, Rosa; Uruchurtu, Jorge
Abstract
A series of new mono- and bis-1,2,3-triazole derivatives of 2-benzimidazolethiol were synthesized by three-component copper(I)-catalyzed 1,3-dipolar cycloaddition. The desired heterocycles were obtained in good yields and fully characterized. The corrosion inhibition efficiency of new heterocyclic compounds was investigated on steel grade API 5L X52 in 1 M HCl using electro-chemical impedance spectroscopy. The results revealed that these new organic compounds show promising inhibition properties for the corrosion of steel in acidic media.
Isolation of Fe(III)-reducing bacterium, Citrobacter sp LAR-1, for startup of microbial fuel cell
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
Authors: Liu, Lihong; Lee, Duu-Jong; Wang, Aijie; Ren, Nanqi; Su, Ay; Lai, Juin-Yih
Abstract
The LAR-1 strain was isolated from sediment samples collected at the intersection of A-Shi River and Songhwa River, China with high iron-reducing capability. Biochemical tests (API 20A, API-20NE and API-ZYM), fatty acids analysis, and polymerase chain reaction (PCR)-denaturing gradient gel electrophoresis (DGGE) tests revealed that LAR-1 is closely related to Citrobacter sp. The LAR-1 was used as anode chamber seed to start up microbial fuel cell (MFC). The tested MFC had an open-circuit voltage of 610 mV and a maximum power density of 610 mW/m(2) at 360 mV. The analytical results confirmed that the iron reducing bacterium can be used as anodic respiratory bacterium for MFC. Copyright (C) 2015, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
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