Journal ArticleDOI
Removal of ciprofloxacin from hospital wastewater using electrocoagulation technique by aluminum electrode: Optimization and modelling through response surface methodology
Saeid Ahmadzadeh,Ali Asadipour,Mostafa Pournamdari,Behzad Behnam,Hamid Reza Rahimi,Maryam Dolatabadi +5 more
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In this article, the authors used Response Surface Methodology (RSM) to evaluate the main effects of parameters, their simultaneous interactions and quadratic effect to achieve the optimum condition for EC process with removal efficiency of 88.57% under optimal operating condition of pH 7.78.About:
This article is published in Process Safety and Environmental Protection.The article was published on 2017-07-01. It has received 156 citations till now. The article focuses on the topics: Response surface methodology.read more
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Solar photoelectrocatalytic degradation of ciprofloxacin at a FTO/BiVO4/MnO2 anode: Kinetics, intermediate products and degradation pathway studies
Benjamin O. Orimolade,Busisiwe N. Zwane,Babatunde A. Koiki,Luthando Tshwenya,Gbenga M. Peleyeju,Nonhlangabezo Mabuba,Minghua Zhou,Omotayo A. Arotiba +7 more
TL;DR: In this article, a solar photoelectrocatalytic removal of ciprofloxacin using n-n heterojunction BiVO4/MnO2 prepared by electrodeposition on a FTO glass as anode was reported.
Journal ArticleDOI
Removal of acetaminophen from hospital wastewater using electro-Fenton process
TL;DR: In this paper, an electro-Fenton (EF) process was used to remove acetaminophen (AC) from hospital wastewater using a first-order kinetic model with rate constants (Kapp) of 0.6718−min−1.
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Electrochemical treatment of pharmaceutical wastewater through electrosynthesis of iron hydroxides for practical removal of metronidazole.
TL;DR: This work is the first report on investigating the potency and efficiency of electrocoagulation process in the successful removal of metronidazole (MNZ) from pharmaceutical wastewater using response surface methodology based on central composite design.
Journal ArticleDOI
Biomass densification: Effect of cow dung on the physicochemical properties of wheat straw and rice husk based biomass pellets
Abstract: This study investigates the potential of cow dung, an animal manure, as a binder to enhance the physicochemical properties of the base pellet (a mixture of wheat straw and rice husk). In the first step, preliminary experiments were performed to select the best composition of wheat straw and rice husk for the base pellet. The selection was based on calorific value. Subsequently, the effect of operating parameters such as varying compositions of cow dung (0–100%), molasses concentration (0–100%) and drying time (12–48 h) was investigated. Thus, Central Composite Design using Response Surface Methodology was used to investigate the proximate analysis, calorific value, bulk density and durability of biomass pellets. The experimental results suggested that the addition of cow dung into the base pellet resulted in the increase of volatile matter, ash content, bulk density and durability of the base pellet. As a result, the maximum calorific value of 14.98 MJ/kg, moisture content of 3.37%, volatile matter of 45.49%, ash content of 31.38%, bulk density of 108990 kg/m3 and durability of 95% were obtained. However, optimization of operating parameters was performed to optimize the ash percentage. With the pellet composition of 8.5% (base pellet composition of 90% wheat straw and 10% rice husk), molasses concentration of 50% and drying time of 12 h, 52% reduction in ash content and 2.3% increase in calorific value were obtained at the cost of 38% reduction in the bulk density and insignificant reduction in durability of the produced pellet. Therefore, the use of waste material like cow dung as a binder can be considered as a sustainable approach to improve the physicochemical properties especially durability of biomass pellets. Thus, it can effectively be used to fulfill the energy and heating requirement of rural areas.
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Removal of Persistent Organic Pollutants (POPs) from water and wastewater by adsorption and electrocoagulation process
Fatima Ezzahra Titchou,Hicham Zazou,Hanane Afanga,Jamila El Gaayda,Rachid Ait Akbour,Mohamed Hamdani +5 more
TL;DR: In this article, a review of batch and continuous modes of adsorption and electrocoagulation has been discussed, highlighting the benefit of the electroco-agulation-adsorption hybrid process to enhance the removal efficiency of organic pollutants from wastewater.
References
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Electrocoagulation for the treatment of textile industry effluent--a review
V. Khandegar,Anil K. Saroha +1 more
TL;DR: The objective of the present manuscript is to review the potential of electrocoagulation for the treatment of industrial effluents, mainly removal of dyes from textile effluent.
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Decolorization of basic dye solutions by electrocoagulation: An investigation of the effect of operational parameters
TL;DR: The findings in this study shows that an increase in the current density up to 60-80 A m(-2) enhanced the color removal efficiency, the electrolysis time was 5 min and the range of pH was determined between 5.5 and 8.5 for two mentioned dye solutions.
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Adsorption and intercalation of ciprofloxacin on montmorillonite
TL;DR: In this article, the interaction and adsorptive removal of ciprofloxacin (CIP) with a sodium montmorillonite (MMT) were studied in batch tests and supplemented by XRD and FTIR analyses.
Journal ArticleDOI
Ciprofloxacin adsorption from aqueous solution onto chemically prepared carbon from date palm leaflets.
TL;DR: The thermodynamic parameters showed that the adsorption process is spontaneous and endothermic, and the equilibrium data were found to fit the Langmuir model better than the Freundlich model.
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Ozonation of ciprofloxacin in water: HRMS identification of reaction products and pathways.
Bavo DeWitte,Jo Dewulf,Kristof Demeestere,Vincent Van De Vyvere,Patrick De Wispelaere,Herman Van Langenhove +5 more
TL;DR: In this article, HPLC-UV high-resolution mass spectrometry was used to analyze the degradation products formed during ozonation of an aqueous solution of the antibiotic ciprofloxacin in a bubble column.