Results 61 to 70 of about 173,395 (169)

Removal of Direct Red 81 from Aqueous Solution Using an Acidic Soil Containing Iron (Case Study of Lahijan Soil) [PDF]

Iranian Journal of Chemistry & Chemical Engineering, 2019
Direct Red 81, a dye widely used in textile industries, is frequently detected dye in water resources. High costs, the formation of hazardous byproducts, and high energy costs restrict the use of some removal methods.
Samaneh Shahsavani, Mansooreh Dehghani, Narges Shamsedini   +2 more
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Decolorization of Direct Red 81 in Aqueous Solutions by Fenton Oxidation Process: Effect of System Parameters

Iranian Journal of Health, Safety and Environment, 2019
Dye industries and textile are among the most water-consuming industries, which severely disturb the aquatic life. Therefore, the aim of this study was to determine the feasibility of Fenton process in removing Direct Red 81 dye from aqueous solutions ...
Mansooreh Dehghani, Yasamin Zonnon, Elham Nourozi, Narges Shamsedini   +3 more
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Evaluation of Electro-Fenton Process Performance for COD and Reactive Blue 19 Removal from Aqueous Solution

سلامت و محیط, 2013
Background and Objectives: Synthetic dyes represent one of the largest groups of pollutants in wastewater of dying industries. Discharging these wastewaters into receiving streams not only affects the aesthetic but also reduces photosynthetic activity ...
Mohammad Malakootian, Mahdi Asadi, Amir Hossein Mahvi   +2 more
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Nano-hydroxyapatite polymeric hydrogels for dye removal

RSC Advances, 2018
Schematic diagram of nHA and nHA based hydrogels development via wet chemical and free-radical polymerization process and absorbent process of nHA hydrogel.
Kokkarachedu Varaprasad, Dariela Nunez, Murali Mohan Yallapu, Tippabattini Jayaramudu, Elizabeth Elgueta, Patricio Oyarzun   +5 more
openaire   +3 more sources

Evaluation of the efficacy of visual, tactile method, caries detector dye, and laser fluorescence in removal of dental caries and confirmation by culture and polymerase chain reaction: An in vivo study

Journal of Pharmacy and Bioallied Sciences, 2019
Aim: To determine the degree of association between visual and tactile methods of caries removal compared with caries detector dye and laser fluorescence device (DIAGNOdent), which detects the degree of demineralization; to determine the presence of ...
Kadandale Sadasiva, Kumarappan Senthil Kumar, Sreeram Rayar, Sai Shamini, Manu Unnikrishnan, Deivanayagam Kandaswamy   +5 more
doaj   +1 more source

Fabrication of cellulose nanocrystals/carboxymethyl cellulose/zeolite membranes for methylene blue dye removal: understanding factors, adsorption kinetics, and thermodynamic isotherms

Frontiers in Chemistry
This study introduces environmentally-friendly nanocellulose-based membranes for AZO dye (methylene blue, MB) removal from wastewater. These membranes, made of cellulose nanocrystals (CNCs), carboxymethyl cellulose (CMC), zeolite, and citric acid, aim to
Mostafa Ahmed Ibrahim, Mostafa Ahmed Ibrahim, Ahmed Salama, Fouad Zahran, Mohamed Saleh Abdelfattah, Ali Alsalme, Mikhael Bechelany, Mikhael Bechelany, Ahmed Barhoum   +8 more
doaj   +1 more source

Performance Evaluation of Combined Process of Powdered Activated Carbon-Activated Sludge (PACT) in Textile Dye Removal

Journal of Environmental Health and Sustainable Development, 2016
Introduction: The Powdered Activated Carbon Treatment (PACT) has been proposed as an alternative in wastewater treatment and wastewater biomass protection against toxic substances.
Abdolmajid Gholizadeh, Mitra Gholami, Ali Asghar Ebrahimi, Mohammad Miri, Ali Nikoonahad   +4 more
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REMOVAL OF COLOUR POLLUTIONS IN DYE BATHS WITH MORDANTS

Turkish Journal of Engineering, 2019
In the current study, the colour vitality, wash, rubbing and diaphoresis fastness were evaluated for cotton substrates with and without anionic (tannin) mordanting.It was found that pre-mordanting with tannic acid affect both the colour characteristics and fastness properties of the cationic dye.
openaire   +4 more sources

Characterization and Removal Efficiency Analysis of MWCNT/Clay Nanocomposites for MB Dye Adsorption

Engineering Proceedings
Multi-walled carbon nanotubes (MWCNTs) combined with clay have shown potential as effective adsorbents for dye removal. This study aims to characterize MWCNT/clay nanocomposites and analyze their removal efficiency for methylene blue (MB) dye under ...
Firas H. Abdulrazzak, Aseel M. Aljeboree, Dalya K. Naser, Ashour H. Dawood, Montather F. Ramadan, Ayad F. Alkaim   +5 more
doaj   +1 more source

Application of Chemical Coagulation Process for Direct Dye Removal from Textile Wastewater

Journal of Environmental Health and Sustainable Development, 2017
Introduction: Since some dyes and their metabolites have toxicity and carcinogenicity potential, and are dangerous to the health of different living creatures, discharge of untreated wastewaters containing large concentrations of dye compounds into water
Arash Dalvand, Mohammad Hassan Ehrampoush, Mohammad Taghi Ghaneian, Mehdi Mokhtari, Ali Asghar Ebrahimi, Roya Malek Ahmadi, Amir Hossein Mahvi   +6 more
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