Synthesis of Lanthanum metal-organic frameworks (La-MOFs) as degradation photocatalyst of Rhodamine-B

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Abstract

Nowadays, waste becomes an increasingly serious problem for the environment, especially industrial waste. Dye Rhodamine-B is an example of industrial waste that is dangerous and difficult to degrade in the ecosystem. Dye photodegradation using photocatalysts is a promising alternative to reduce the amount of dye waste in the environment, especially in waters. However, a photocatalyst needed is the one which stable, efficient, and environmentally friendly to degrade persistent organic pollutants. Metal-Organic Frameworks (MOFs) as a new functional material that can be potential photocatalyst due to good thermal stability, as well as tunable surface properties. In this study, 2 types of Lanthanum-MOFs were selected to be synthesized with ligand variations, namely 1,4-Benzene dicarboxylic acid (BDC) and 2,6-Naphthalene dicarboxylic acid (NDC) using the solvothermal method. Characterization of Lanthanum-MOFs was carried out using FTIR, XRD, Surface Area Analyzer (BET), spectrophotometer UV-DRS, as well as SEM instrumentation. Peroxide acid- advanced oxidation process (AOP) was used in photocatalytic applications of La-MOFs. The degradation efficiency (% degradation) of rhodamine-b for 120 min using La-BDC MOFs and La-NDC MOFs for each photocatalyst was 69.47 % and 89.3 %, respectively.

Original languageEnglish
Title of host publicationProceedings of the 5th International Symposium on Current Progress in Mathematics and Sciences, ISCPMS 2019
EditorsTerry Mart, Djoko Triyono, Tribidasari Anggraningrum Ivandini
PublisherAmerican Institute of Physics Inc.
ISBN (Electronic)9780735420014
DOIs
Publication statusPublished - 1 Jun 2020
Event5th International Symposium on Current Progress in Mathematics and Sciences, ISCPMS 2019 - Depok, Indonesia
Duration: 9 Jul 201910 Jul 2019

Publication series

NameAIP Conference Proceedings
Volume2242
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

Conference5th International Symposium on Current Progress in Mathematics and Sciences, ISCPMS 2019
CountryIndonesia
CityDepok
Period9/07/1910/07/19

Keywords

  • BDC
  • dye degradation
  • Lanthanum-MOFs
  • NDC
  • peroxide acid
  • photocatalytic

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