boron doped diamond
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Water ◽  
2022 ◽  
Vol 14 (1) ◽  
pp. 95
Author(s):  
Yeney Lauzurique ◽  
Lidia Carolina Espinoza ◽  
César Huiliñir ◽  
Verónica García ◽  
Ricardo Salazar

Winery wastewater represents the largest waste stream in the wine industry. This deals with the mineralization of the organic matter present in winery wastewater using anodic oxidation and two types of anodes—namely, a boron-doped diamond electrode (BDD) and two mixed metal oxides (MMO), one with the nominal composition Ti/Ru0.3Ti0.7O2 and the other with Ti/Ir0.45Ta0.55O2. To conduct the study, the variability of different quality parameters for winery wastewater from the Chilean industry was measured during eight months. A composite sample was treated using anodic oxidation without the addition of supporting electrolyte, and the experiments were conducted at the natural pH of the industrial wastewater. The results show that this effluent has a high content of organic matter (up to 3025 ± 19 mg/L of total organic carbon (TOC)), which depends on the time of the year and the level of wine production. With MMO electrodes, TOC decreased by 2.52% on average after 540 min, which may be attributed to the presence of intermediate species that could not be mineralized. However, when using a BDD electrode, 85% mineralization was achieved due to the higher generation of hydroxyl radicals. The electrolyzed sample contained oxamic, acetic, and propionic acid as well as different ions such as sulfate, chloride, nitrate, and phosphate. These ions can contribute to the formation of different species such as active species of chlorine, persulfate, and perphosphate, which can improve the oxidative power of the system.


Author(s):  
Alana Carolyne Crispim ◽  
Suelya da Silva Mendonça de Paiva ◽  
Danyelle Medeiros de Araújo ◽  
Fernanda Lourdes Souza ◽  
Elisama Vieira Dos Santos

2022 ◽  
Author(s):  
Sofia Goia ◽  
Matthew A. P. Turner ◽  
Jack M. Woolley ◽  
Michael D. Horbury ◽  
Alexandra J. Borrill ◽  
...  

A spectroelectrochemical set-up using a boron doped diamond mesh electrode is presented; from ultrafast photodynamics to steady-state, the photochemistry and photophysics of redox active species and their reactive intermediates can be investigated.


Author(s):  
Alec B. Nienhauser ◽  
Mahmut S. Ersan ◽  
Zunhui Lin ◽  
François Perreault ◽  
Paul Westerhoff ◽  
...  

Author(s):  
Hailong Jing ◽  
Haitao Yang ◽  
Xiaohua Yu ◽  
Chaoquan Hu ◽  
Rongxing Li ◽  
...  

The research progress of electrochemical treatment of organic matter and ammonia nitrogen in wastewater is reviewed in this work. Pt/Ti, RuxIryOz/Ti, IrO2-Ta2O5/Ti, PbO2/Ti, TinO2n-1, SnO2-Sb/Ti, boron-doped diamond, graphite, and particle...


2022 ◽  
Vol 572 ◽  
pp. 151468
Author(s):  
Zejun Deng ◽  
Hangyu Long ◽  
Yijia Wang ◽  
Zhiming Yu ◽  
Li Ma ◽  
...  

Carbon ◽  
2022 ◽  
Author(s):  
Taisuke Kageura ◽  
Yosuke Sasama ◽  
Chikara Shinei ◽  
Tokuyuki Teraji ◽  
Keisuke Yamada ◽  
...  

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