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  • Open Access


    Malachite Green Adsorption Using Carbon-Based and Non-Conventional Adsorbent Made from Biowaste and Biomass: A Review

    Annisa Ardiyanti, Suprapto Suprapto, Yatim Lailun Ni’mah*

    Journal of Renewable Materials, Vol.11, No.11, pp. 3789-3806, 2023, DOI:10.32604/jrm.2023.031354

    Abstract Dyes are pervasive contaminants in wastewater, posing significant health risks to both humans and animals. Among the various methods employed for effective dye removal, adsorption has emerged as a highly promising approach due to its notable advantages, including high efficiency, cost-effectiveness, low energy consumption, and operational simplicity compared to alternative treatments. This comprehensive review focuses on investigating adsorbents derived from biowastes and biomass, specifically carbon-based and non-conventional adsorbents, for the removal of malachite green, a widely used dye known for its toxic and carcinogenic properties. Carbon-based adsorbents encompass two main types: activated carbon and biochar, More > Graphic Abstract

    Malachite Green Adsorption Using Carbon-Based and Non-Conventional Adsorbent Made from Biowaste and Biomass: A Review

  • Open Access


    Thermally and UV Stable Natural Dyes with Potential Use in Efficient Photoelectrochemical Devices

    Mario Alejandro Mejía Escobar*, Franklin Jaramillo*

    Journal of Renewable Materials, Vol.3, No.4, pp. 302-317, 2015, DOI:10.7569/JRM.2014.634121

    Abstract Energy alternatives have been one of the most important research focal areas of the last decade due to the imminent lack of fossil fuels. This motivation has allowed the evolution of the materials science field in areas such as electrochemistry, where high availability, low cost and negligible environmental impact are the desired principal qualities. For this reason, as an example of a photoelectrochemical device, we have proposed the use of natural dyes from 37 agro-industrial wastes in dye-sensitized solar cells. We obtained dyes from red cabbage, radish and roselle wastes with a good stability for More >

  • Open Access


    Natural Dyes Extraction, Stability and Application to Dye-Sensitized Solar Cells

    Mario Alejandro Mejía Escobar*, Frankin Jaramillo*

    Journal of Renewable Materials, Vol.3, No.4, pp. 281-291, 2015, DOI:10.7569/JRM.2014.634142

    Abstract In recent years, the development of new materials has contributed markedly to improving the efficiency of dye-sensitized solar cells (DSSCs). Mesoporous semiconductors, solid electrolyte, non-conventional catalysts and synthetic dyes without ruthenium have been the focus of study. With respect to the last, lanthanides and porphyrins have presented good properties, but these elements have the same disadvantage as rutheniumbased dyes; being complicated to synthesize and very expensive. These limitations have stimulated much research in the use of natural dyes as sensitizers due to their exceptional photoelectochemical properties and low cost. Furthermore, they are regarded as renewable More >

  • Open Access


    Phytogenic Synthesis of Metal/Metal Oxide Nanoparticles for Degradation of Dyes

    Arpita Roy1,*, H. C. Ananda Murthy2 , Hiwa M. Ahmed3,4, Mohammad Nazmul Islam5, Ram Prasad6,*

    Journal of Renewable Materials, Vol.10, No.7, pp. 1911-1930, 2022, DOI:10.32604/jrm.2022.019410

    Abstract Now-a-days nanotechnology is one of the booming fields for the researchers. With the increase in industrialization mainly textile, paper, medicine, plastic industry, there is an increase in concentration of organic dyes as pollutant. Release of harmful dyes in water bodies has become a serious issue, as most of the dyes are carcinogenic and mutagenic in nature and causes various diseases. Therefore, there is a requirement to find out new approaches for efficient treatment of effluent containing dyes. Nanoparticles are one of the potential solutions to this problem. They can be synthesized from different methods, however More >

  • Open Access


    Application of Prunus amygdalus By-products in Eco-friendly Dyeing of Textile Fabrics

    Ibtissem Moussa1, Noureddine Baaka1, Ramzi Khiari1,2,3*, Ali Moussa4, Gérard Mortha3, Mohamed Farouk Mhenni1

    Journal of Renewable Materials, Vol.6, No.1, pp. 55-67, 2018, DOI:10.7569/JRM.2017.634141

    Abstract Natural dyes have become an interesting subject of study because of their better ecological properties in comparison to their synthetic counterparts. This article concerns the dyeing of wool, silk, and polyamide fabrics with natural dyes extracted from almond shells and stems. The developed method of dyeing by these extracts is interesting and very attractive for several reasons: firstly, the extracts used are the black liquor discharged from the industries of delignification, which is a chemical process for removing lignin from agricultural wastes to produce a cellulosic fiber; (ii) these natural dyes are renewable and available More >

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