Naphthalene Removal with Layered Double Hydroxides

• Autorzy: Olga Butenko , Olena Dan , Alexey Kapustin , Neverova-Dziopak

Warianty tytułu

Usuwanie naftalenu za pomocą warstwowych podwójnych wodorotlenków

• Języki publikacji: EN

Abstrakty

EN

Naphthalene is a hazardous pollutant. It has a negative impact on human health and environment. Its manufacturing process is accompanied by gaseous naphthalene emissions into the air of the premises and then into the atmosphere, thus polluting the environment. There is currently no existing method to remove naphthalene from the gas phase which is capable of meeting the required environmental standards. The goal of this research was to investigate the mechanism of naphthalene removal from the gas phase by the sorption method using Mg/(Al+Mg) layered double hydroxides (LDHs) and to develop naphthalene removal technology to meet the required environmental standards. The methods for obtaining selective sorbents of naphthalene and its derivatives have been investigated. The technology of naphthalene removal from gas phase using Mg/(Al+Mg) LDHs has been developed. The technological parameters of reactors have been calculated. The final concentration of naphthalene of 12 mg/m3 was obtained which appeared to be lower than the maximum allowed concentration. The efficiency of naphthalene sorption with LDHs was found to be over 95%. (original abstract)

Naftalen należy do niebezpiecznych substancji, które mają negatywny wpływ na ludzkie zdrowie i środowisko. Procesowi jego produkcji towarzyszy emisja naftalenu gazowego do atmosfery, co przyczynia się do zanieczyszczenia innych elementów środowiska przyrodniczego. Obecnie nie istnieje efektywny sposób usuwania naftalenu z fazy gazowej, który zapewniłby spełnienie wymaganych standardów ekologicznych. Celem niniejszych badań było zbadanie mechanizmu usuwania naftalenu z fazy gazowej metodą sorpcji z zastosowaniem warstwowych materiałów nieorganicznych i na tej podstawie opracowanie efektywnej technologii usuwania naftalenu. Ob liczono parametry technologiczne reaktorów oraz opracowano technologię usuwania naftalenu i jego pochodnych z zastosowaniem selektywnych sorbentów: warstwowych podwójnych wodorotlenków na bazie Mg/(Al+Mg). W wyniku eksperymentu realizowanego w warunkach laboratoryjnych z zastosowaniem opracowanej metody udało się osiągnąć stężenia naftalenu w fazie gazowej na poziomie 12 mg/m3 , co nie przekracza ustalonych maksymalnych dopuszczalnych wartości. Efektywność redukcji naftalenu za po mocą warstwowych podwójnych wodorotlenków wynosi w tym przypadku ponad 95%. (abstrakt oryginalny)

Słowa kluczowe

EN

Pollution emission; Air pollution; Chemical technologies

PL

Emisja zanieczyszczeń; Zanieczyszczenie powietrza; Technologie chemiczne

• Czasopismo: Geomatics and Environmental Engineering
• Rocznik: 2020
• Numer: nr 14/2
• Strony: 19--30

Twórcy

autor

Olga Butenko

• Pryazovskyi State Technical University, Mariupol, Ukraine

autor

Olena Dan

• John Paul II Catholic University of Lublin, Poland

autor

Alexey Kapustin

• Miami University, USA

autor

Neverova-Dziopak

• AGH University of Science and Technology Kraków, Poland

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Identyfikatory

DOI

10.7494/geom.2020.14.2.19