Green synthesis of catalyst and catalyst supporting material with the utilization of agricultural wastes is a quite cost-effective and environmentalist approach for the removal of toxic organic compounds such as azo dyes from water sources. In this study, lemon (Citrus limon (L.) Burm. f.) by-pr...

Sludge from the textile industry was used as a low-cost adsorbent to remove the dye Reactive Red 2 from an aqueous solution. Adsorbents were prepared through the thermal and chemical treatment of sludge originating from physical–chemical (PC) and biological (BIO) effluent treatment processes. T...

Metapenaeus monoceros shell used for the removal of reactive red 2 from an aqueous solution was studied by batch biosorption system. The maximum dye uptake capacity was examined at biosorbent dosage, different pH, contact time and initial dye concentration. From the study the maximum dye uptake ...

The sonocatalytic degradation of reactive orange 29 (RO29) was examined from the reaction kinetics point of view. Sonochemically synthesized lanthanides (Ho3+ and Er3+)-doped ZnO nanoparticles were utilized as catalyst during the sonocatalytic process. The prepared nanoparticles were characteriz...

To valorize biomass waste, pyrolysis of orange peel was mainly investigated as a case study. In an effort to establish a more sustainable thermolytic platform for orange peel, this study particularly employed CO2 as reactive gas medium. Accordingly, this study laid great emphasis on elucidating ...

Globally wastewater from textile industry becomes a serious health, safety and environmental issue. Dye containing wastewater is toxic in nature alter the physicochemical characteristics of receiving bodies. In term of cost effective and performance only few methodology are available. On this in...

Orange pomace, a byproduct of orange juice production, is an important source of phenolic compounds. In this study, the effect of Electrohydrodynamic time (at four levels of 2, 10, 20 and 30 min) and EHD voltage (at four levels of 0, 14, 18 and 22 kV) on the total phenolic compounds (TPC), antio...

Wood-based biochar, as a metal-free heterogeneous activator of peroxydisulfate (PDS), was successfully prepared by pyrolysis of polar sawdust for efficient removal of Acid Orange 7 (AO7). The results demonstrate PDS could be effectively activated by wood-based biochar, and AO7 was rapidly elimin...

In this study, a biofilm of cross-linked Chitosan- Ethylene Glycol Diglycidyl Ether (Chi-EGDE) was prepared and coated onto glass plate to act as a biosorbent for two structurally different Reactive Red 120 (RR120) and Methyl Orange (MO) dyes by applying non-conventional adsorption system withou...

This study investigated the feasibility of applying ozone (O3) to reduce the color content of wastewater caused by two commercial reactive dyes (Blue-19 and Orange-13). In the bench-scale experiment, experimental parameters including pH, ozone dosage, and reaction time were evaluated in a 14-L r...

The aim of the present work is to evaluate degradation of textile dye Reactive Orange 13 (RO 13) by newly isolated bacterial strain. The bacterial isolate was identified as Alcaligenes faecalis PMS-1 based on 16S rDNA analysis. The isolate was able to decolorize cyanuric chloride based RO 13 und...

The adsorption of reactive orange 13 (RO13) onto jackfruit seed flakes was investigated in aqueous solution at different pHs, initial concentration of dye solutions, ionic strengths and temperatures, respectively. The adsorbent and dye adsorption were characterized by diffuse reflectance electro...

The decolorization and degradation of an organic dye, Reactive Orange 7 (RO7) in aqueous media by electrochemical oxidation process using Ti/Sb–SnO2 electrode as anode was modeled and optimized using response surface methodology (RSM) based on central composite design (CCD). The anode electrode...

In the present study, the influence of surfactants on spectral properties of an azo dye in aqueous solutions has been investigated by means of UV–vis spectroscopy in submicellar and micellar concentration range. The spectral signature of the polarity of the azo dye C.I. Reactive Orange 16 (RO16...

Binding mechanisms of Reactive Orange 16 (RO 16) by the protonated waste biomass of Corynebacterium glutamicum were investigated. The solution pH was found to strongly influence the uptake of RO 16 by C. glutamicum. The biosorption of the dye was reversible at pH

Fabrication of an immobilized cross-linked chitosan-epichlorohydrine thin film (CLCETF) onto glass plate for adsorption of reactive orange 16 (RO16) dye was successfully studied using the direct casting technique. Adsorption experiments were performed as a function of contact time, initial dye c...

The sulfonated azo dye Reactive Orange 16 is the commonly used representative of reactive dyes, but is hard to be degraded by some conventional treatment methods. In order to develop more efficient and more cost-effective treatment methods for degrading this recalcitrant dye, the capability of t...

This work investigates the possibility of utilizing carbonized fish (Labeo rohita) scales (CFS) as low-cost materials for the adsorption of reactive orange 16 dye (RO16) through batch processing. The textural and morphological characteristics of CFS were evaluated which showed mesoporous structu...

The photochemical decolourisation of chlorotriazine reactive azo dye Reactive Orange 4 (RO4) has been carried out by Fenton and photo-Fenton processes. The effects of solution pH, applied H2O2, Fe2+ dose, UV light intensity have been studied. The increase of initial dye concentration decrease th...

In this work, Box–Behnken design (BBD) in response surface methodology (RSM) was applied to optimize the synthesis condition of crosslinked chitosan-tripolyphosphate/TiO2 nanocompsite (CCTPP/TiO2 NC) as well as the adsorption conditions of reactive orange dye (RO16) from aqueous solution. The k...