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34 articles for “Organic dyes”
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Using of the sea grasses for the removal of some industrial organic dyes; bromo cresol purple from aqueous solutions
Abstract: Abstract: The objectives of this study are evaluating the efficiency of low cost adsorbents of activated carbon obtained from sea grasses. Using the sea grasses for the removal of some industrial organic dye; bromo cresol purple indicators from aqueous solutions and studying the impact of some of the factors including different dosages , pH, different concentrations, different temperature and effect of time of adsorbed materials. Adsorption efficiency of dye onto …
Published in Emerging Trends in Chemical Engineering · Vol. 6, Issue 3, 2019 · pp. 29–36 Read article
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Synthesis of Copper Oxide Nanoparticles using Ultrasound for the Treatment of Textile Organic Dyes (Reactive Black 5 and Basic Blue 3)
Abstract: This paper describes the ultrasound assisted synthesis of copper oxide (CuO) nanoparticles using copper nitrate trihydrate and ammonium carbonate as reactants. The resultant product, copper carbonate was calcined at 400°C which was chosen based on the thermogravimetric analysis of copper carbonate precipitate. The final product CuO nanoparticles characterized by X-Ray diffraction (XRD), scanning electron microscope (SEM), energy-dispersive X-ray spectroscopy (EDAX), particle size analyzer (PSA) and Brunner-Emmet-Teller surface area analyzer (BET) …
Published in Journal of Catalyst & Catalysis · Vol. 2, Issue 3, 2015 · pp. 16–22 Read article
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Treatment of Synthetic Dye and Real Industrial Effluent Using Different Photo-catalysts
Abstract: Organic dyes are now one of the most common types of toxins released into the atmosphere, particularly from the textile sector. Organic dyes poisonous in nature and harmful to living organismsand ecosystems and Humans hence, therapy of these dangerous dyes before release into the environment is critical. Several ways have been used to solve this challenge, including physical, chemical, and biological methods. Photocatalysis is currently most of the advanced oxidationprocesses, …
Published in Journal of Catalyst & Catalysis · Vol. 9, Issue 1, 2022 · pp. 40–43 Read article
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Parametric Studies of Natural Dyes in Dye Sensitized Solar Cells
Abstract: Natural dyes used in dye sensitized solar cells (DSSCs) are low cost viable substitute to high cost ruthenium dyes because of its easy availability and no environment threat. Parametric studies of natural dyes in dye-sensitized solar cells (DSSCs) are essential for optimizing the performance of these renewable energy devices. One kind of thin-film solar cell called a DSSC uses organic dyes to absorb sunlight and turn it into electrical energy. …
Published in Journal of Polymer & Composites · Vol. 13, Issue 3, 2025 · pp. 121–132 Read article
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Studies on Removal of Coomassie Brilliant Blue R250(CBB) dye Usingligninas Adsorbent
Abstract: Coomassie brilliant blue R-250 (CBB), an organic dye present in wastewater effluent, affects environment by reducing the photosynthetic activity in aquatic ecosystems. CBB must be eliminated from effluent as a result. In the present study, lignin was utilized as a low-cost bio adsorbent for the removal of CBB dye employing an adsorption technique in order to minimize pollution caused by CBB dye. By studying the effect of several parameters includes …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 9, Issue 3, 2022 · pp. 9–19 Read article
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CdS-Based Photocatalytic Nanostructures: A Promising Material for Various Environmental Applications
Abstract: Modern technological and industrial progress has significantly increased the use of chemicals in product development, leading to greater contamination of water sources by conventional pollutants (such as organic dyes and heavy metals) and harmful microorganisms. Wastewater treatment processes now reveal “emerging pollutants,” including pharmaceuticals, endocrine disruptors, and agricultural chemicals. Certain emerging pollutants, though harmless in some cases, can pose serious risks to various organisms. To address this, researchers are exploring …
Published in Research & Reviews : Journal of Physics · Vol. 14, Issue 1, 2025 · pp. 33–53 Read article
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Preparation of New Analytical Reagents and Study of Chromatographic Separation
Abstract: There are various types of diagnostic reagents in the laboratory, which involve many specializations in analytical chemistry and detection of pollution levels in river water and environmental pollution, as well as in the preparation of reagents that form as reagents and complexes with elements. Several techniques are shown here in an endless flow, and it is difficult Simply classify them according to a certain principle.; From a methodological point of …
Published in Emerging Trends in Chemical Engineering · Vol. 11, Issue 1, 2024 · pp. 44–58 Read article
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Emerging Photochemical Techniques in Green Chemistry
Abstract: Creating environmentally friendly and sustainable chemical processes is one of the main objectives of green chemistry. A viable strategy for accomplishing this goal is the use of light to trigger chemical reactions in emerging photochemical techniques. An overview of current developments in photochemical techniques that support green chemistry is given in this abstract. Key innovations include the use of visible light photocatalysis, which offers a sustainable alternative to traditional high-energy …
Published in International Journal of Photochemistry and Photochemical Research · Vol. 1, Issue 2, 2023 · pp. 39–45 Read article
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Solar Light Photocatalytic Degradation of Methylene Blue and Methyl Orange Dyes by Ag-ZnO Nanocomposite
Abstract: A highly efficient silver-assisted ZnO nanocomposite was synthesized using the co-precipitation method, a technique that ensures a controlled and homogeneous formation of the composite material. The high purity of the synthesized nanocomposite was confirmed through detailed FTIR spectra analysis, which showed clear and distinct peaks corresponding to the functional groups present, indicating the absence of significant impurities. To evaluate the photocatalytic capabilities of the nanocomposite, a series of tests were …
Published in Journal of Polymer & Composites · Vol. 12, Issue 6, 2024 · pp. 160–171 Read article
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ZnO Nanostructure Shape Effects in Photocatalysis of Methylene Blue
Abstract: Nowadays, dyes are used in the food industry, textile industry, paper industry, hair coloring, light-harvesting arrays, photoelectrochemical cells, etc. Most of the dyes are nonbiodegradable, toxic, carcinogenic, and consist of organic compounds. These dye wastages are discharged into water bodies and the environment causing serious hazards to the marine ecosystem as well as the humans extensively. To treat toxic dyes traditional methods such as adsorption, activated carbon, ultrafiltration, and reverse …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 722–727 Read article
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Sustainable Carbon Materials for Catalysis, Energy Conversion, and Environmental Remediation
Abstract: Among the most ancient and adaptable materials used by humans, carbon finds use in a wide range of industries, including electronics, energy production, medicine, water purification, air filtration, and catalysis. Among them, activated carbon's highly developed microporous structure, remarkably large specific surface area, and adjustable surface functions have drawn a great deal of attention from both science and industry. Activated carbon materials have been widely used as molecular sieves, adsorbents …
Published in Emerging Trends in Chemical Engineering · Vol. 13, Issue 2, 2026 · pp. 47–52 Read article
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Formulation of Natural Hair Dye by Using Natural Herbs and Their Characterization
Abstract: The development of herbal hair dyes using natural herbs offers a safer alternative to chemical-based hair coloring products. This study investigates the development of a herbal hair dye formulated from a blend of natural ingredients renowned for their hair care benefits. The selected herbs include black catechu, henna, indigo, bhringraj, aloe-vera, amla, jatamansi, black cumin seeds, charcoal, alkanet root and extract of black tea, pomegranate & logwood. These herbs were …
Published in Research & Reviews: A Journal of Pharmacognosy · Vol. 12, Issue 3, 2025 · pp. 08–16 Read article
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Nano-Adsorbents for Water Purification: A Focus on Nanoclays
Abstract: Nanotechnology has emerged as a pivotal tool in addressing contemporary environmental challenges, particularly in water purification. This paper explores the use of nano-adsorbents, focusing on nano-clay materials, as effective solutions for the adsorption and removal of harmful pollutants from water. Nano-clays, owing to their large surface area and unique physicochemical properties, exhibit exceptional adsorption capacity for contaminants such as heavy metals, dyes, antibiotics, and various organic compounds. This review consolidates …
Published in Journal of Water Pollution & Purification Research · Vol. 11, Issue 3, 2024 · pp. 38–44 Read article
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Removal of Lead (II) ions from Water by using green nanoTrimanganese Tetroxide
Abstract: Inorganic pollutants like heavy metal ions and organic pollutants like pesticides and dyes are the main causes of water pollution. These contaminants cause serious issues for the environment and public health when they are present. To get rid of these contaminants from water bodies, several methods are employed.Due to its ease of use, great efficiency, abundance of adsorbents, and low sludge creation, adsorption is the most advantageous method for purifying …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 691–700 Read article
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Analysis of Natural Pigments and its Application on Various Fields towards the Eco-Friendly Environment
Abstract: The pigments that are found naturally in the environment are most likely to be said as "earth colour" or "earth pigment". The traditional pigments are observed to have all the substances that are available on the natural environment and are of more economic values. The pigments as a natural dye are observed to be safe, highly efficient and eco- friendly. These organic colorants are observed to contain oxygen, carbon with …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 9, Issue 3, 2019 · pp. 9–19 Read article
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Synthesis of Lawsonia Inermis (Henna) Carbon Supported AgO Nanocomposite, Characterizations and Photocatalytic Activity Studies
Abstract: Synthesis of Carbon supported AgO nanocomposite is reported for first time. Henna carbon was successfully synthesized from henna leaf. Bare AgO and C-AgO nanocomposites are effectively made using precipitation method. The synthesised composites structural, morphological, and optical properties are assessed using FT-IR, XRD, FE-SEM, UV-DRS, and PL techniques. FT-IR analysis proved that specific functional groups of synthesized materials. The uniform distribution of the composites is revealed in the FE-SEM. XRD …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 749–760 Read article
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Aureobasidium pullulans- The Versatile Microcolonial Fungus for Industrial Production of Natural Products
Abstract: Aureobasidium pullulans, a yeast-like fungus, exhibits a remarkable capacity for synthesizing an extensive array of bioproducts with diverse industrial applications. This fungus is known to survive in several environmental conditions, making it a robust organism for biotechnological processes. The organism is characterized by its adaptability to various environmental conditions and habitats. It produces an array of extracellular enzymes such as amylases, lipases, proteases, and pectinases, contributing to its role as …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 14, Issue 1, 2024 · pp. 19–31 Read article
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Formation, Characterization and Microscopic Study of Four- and Five-membered Ring
Abstract: Types of organic compounds are famous for many industrial and medical applications, including azo compounds, one of the largest groups involved in the manufacture of various organic compounds. For example, they are considered as initiators of free radicals in the polymerization reactions of alkenes used in the manufacture of plastics. Most of cyclic compounds have nano properties which make this type of compound important in organic field. It is also …
Published in OmniScience: A Multi-disciplinary Journal · Vol. 14, Issue 1, 2024 · pp. 1–15 Read article
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Semiconducting Materials for Emerging Electronics and Technological Applications
Abstract: Semiconducting materials are important for emerging electronic and photovoltaic technologies because their structural, optical and electrical properties can be tailored for specific device applications. In this study, a TiO₂-based composite photoanode is considered as a polymer-assisted semiconducting thin-film system in which inorganic TiO₂ nanoparticles are processed with organic film-forming components to produce a porous layer for dye-sensitised solar cell application. Nanocrystalline TiO₂ nanoparticles were synthesised from titanium isopropoxide using a …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 · pp. 36–50 Read article
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Histotoxicity of Acid Orange 7 on organs of Fresh water fish Labeo rohita
Abstract: The present paper reports the histotoxic effects of Acid Orange 7, an azo dye on the tissues viz. gill, kidney and liver in major carp, Labeo rohita, fingerlings. The sublethal concentrations of the dye are responsible for the histopathological alterations in the target tissues. In the gills hyperplasia, epithelial lifting, hooked secondary gill lamellae, haemorrhage in the primary gill lamellae and erosion of secondary gill lamellae were seen. The kidney …
Published in Research and Reviews: A Journal of Toxicology · Vol. 1, Issue 1-3, 2011 · pp. 45–54 Read article