Application of metal oxide-based photocatalysis

Bajorowicz, Beata; Kobylański, Marek P.; Malankowska, Anna; Mazierski, Paweł; Pieczyńska, Aleksandra; Zaleska-Medynska, Adriana

doi:10.1016/b978-0-12-811634-0.00004-4

Cited by 19 publications

(14 citation statements)

References 482 publications

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“…The reader is kindly referred to the reviews of Vincent et al (2017) [24] and Laguna-Bercero (2012) [25] for more information on those particular topics. The extreme pH conditions in simple PEMECs and AECs result from the addition of strong electrolytes like H2SO4 or NaOH and KOH [26]. Note that their addition is not strictly required in seawater due to the natural occurrence of ions.…”

Section: Electrolytic Water Splittingmentioning

confidence: 99%

Tapping hydrogen fuel from the ocean: A review on photocatalytic, photoelectrochemical and electrolytic splitting of seawater

Dingenen

Verbruggen

2021

Renewable and Sustainable Energy Reviews

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Section: Electrolytic Water Splittingmentioning

confidence: 99%

Tapping hydrogen fuel from the ocean: A review on photocatalytic, photoelectrochemical and electrolytic splitting of seawater

Dingenen

Verbruggen

2021

Renewable and Sustainable Energy Reviews

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“…Os cristais de covellita visualizados no MEV estão em concordância com os picos de difração da covellita identificados no DRX e com a composição química da covellita por EDXRF, e confirmam que o processo de biosulfetogênese é 100% eficiente na recuperação de cobre dissolvido em drenagem ácida de minas. A covellita por ser um importante semicondutor, pode ser utilizada como fotocatalisador na degradação de poluentes de efluentes aquosos orgânicos e inorgânicos [21], tornando cíclico o processo de remediação ambiental.…”

Section: Análise Morfológicaunclassified

Avaliação Do Precipitado Obtido Por Biosulfetogênese Da Drenagem Ácida De Mina

Silva¹,

Lucheta²,

Carmo³

et al. 2019

ABM Proceedings

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Resumo A Drenagem Ácida de Mina (DAM) é um efluente ácido rico em metais nocivos e alta concentração de sulfato, geradopela exposição de sulfetos minerais a processos oxidativos. O tratamento biológico da DAM é uma alternativa para a remediação e recuperação dos metais dissolvidos, podendo tornar o processo economicamente viável. Em condições de anaerobiose, o sulfato na DAM é reduzido por bactérias redutoras de sulfato (BRS)a sulfeto de hidrogênio (H 2 S), precipitando os metais dissolvidos. O objetivo deste trabalhofoi avaliar o precipitado mineral produzido seletivamente de uma DAM, coletada em uma mina da região Amazônica. A caracterização físico-químicado mineral foi realizada por DRX,EDXRF e MEV. Os resultados apontam para a formação do mineral covellita (CuS),dado que as proporções atômicas (%Cu=63,64; %S=32,10), razão molar (Cu/S=1), planos basaise parâmetros de cela unitáriaforamsimilares à ficha cristalográfica ICDD. Os cristais obtidospossuem formação placóide, característico da covellita,com espessuras de faceta na faixa nanométrica. Palavras-chave:Calcopirita; DAM; Cobre; Biosulfetogênese.

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“…The first case shows that a small band can increase the photo-responsiveness of catalysts for a wider Water splitting to H2 range of sunlight usage. Since the photodegradation is proportional to the load on the catalyst in heterogeneous photocatalytic reactions, the optimum photocatalyst concentration must be determined to prevent the use of extra photocatalyst [27]. The efficiency of photocatalysts are affected by co-catalysts morphology, degree of crytallinity, specific surface area (SSA) and surface acidity, so it should be expanded in this field.…”

Section: Introductionmentioning

confidence: 99%

Advances in metal-based vanadate compound photocatalysts: synthesis, properties and applications

Akhoondi

Feleni

Bethi³

et al. 2021

Synth. Sinter.

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Among the ongoing research on photocatalysis under visible-light, it has been shown that doped or hybrid catalysts are more active than a single catalyst alone. However, problems including visible light absorption, a low quantity of energetic sites on surfaces, and rapid recombination of the photo-electron hole pair produced by light have prohibited photocatalysts from being used in a practical and widespread manner. To overcome these problems, synthesis of nanostructure hybrid catalyst using several methods has attracted much attention. Several procedures have been suggested for the preparation of photocatalysts with the desired structure and morphology. Preparation methods similar to partial modification may lead to diverse structures and qualities. In this regard, the development of efficient, low-cost photocatalysts and rapid synthesis is the most important issues that should be considered. This review discusses various methods and mechanisms that work with the modification of vanadium compounds as photocatalysts to progress their photocatalytic efficiency. In addition, the effects of synthesis temperature, solution pH and concentration on the photocatalytic performance are also described in detail.

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Application of metal oxide-based photocatalysis

Cited by 19 publications

References 482 publications

Tapping hydrogen fuel from the ocean: A review on photocatalytic, photoelectrochemical and electrolytic splitting of seawater

Tapping hydrogen fuel from the ocean: A review on photocatalytic, photoelectrochemical and electrolytic splitting of seawater

Avaliação Do Precipitado Obtido Por Biosulfetogênese Da Drenagem Ácida De Mina

Advances in metal-based vanadate compound photocatalysts: synthesis, properties and applications

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