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"Removal of roxarsone from water by Fe electrocoagulation: Efficacy, me" by Mingyue Sun, Jianbo Lu et al.

Fe electrocoagulation technology was proposed for roxarsone (3-nitro-4-hydroxyphenyl-arsonic acid, ROX) removal from water. The effects of current density (CD) and initial pH on ROX removal and operating costs were evaluated using batch tests. Results showed a high total arsenic (TAs) removal efficiency (≥ 99.5 %) at 40 min (CD 1.75–8.77 A/m2, pH 4.6–8.6). Sludge treatment cost accounted for the highest proportion of total operating costs. High concentrations of HCO3− and humic acid had significant inhibition impacts on TAs removal. Hydroxyl radicals (•OH) were mainly responsible for ROX oxidation during Fe electrocoagulation. The E. coli growth tests showed the non-toxicity of final effluent. The TCLP tests indicated that the As-laden sludge was a non-hazardous waste. Possible mechanisms for ROX removal including flocculation, electrostatic attraction, inner-sphere complexation, and coprecipitation were proposed through XPS, XRD, FTIR, and zeta potential analyses combined wi ....

Cost Effectiveness , E Electrocoagulation , Emoval Mechanisms , Toxicity Evaluation ,

Weight control ingredient DNF-10 by Neo Cremar is safe and effective

A safe and effective ingredient derived from baker’s yeast is clinically proven to suppress appetite and offers manufacturers the opportunity to tap into the growing weight loss market. ....

United States , United Kingdom , Hyung Joo Suh , Yejin Ahn , Neo Cremar , Drug Administration , Administration Of Yeast Hydrolysate , Centers For Disease , Division Of Nutrition , No Questions Letter , Generally Recognized As Safe , South East Asia , Disease Control , Physical Activity , Weight Loss Management , Lifestyle Changes , Matched Italian Cohort Study , Weight Loss Effect , Yeast Hydrolysate , Obese Young , Biochem Nutr Supplement , Dose Yeast Hydrolysate , Weight Loss , Prev Nutr Food , Toxicity Evaluation , Repeated Administration ,

Eco-Friendly Nanoparticles Tackle Cattle Parasites

The use of copper oxide nanoparticles (CuO NPs) biosynthesized from leaf extracts against cattle parasites was explored in new research. ....

Alena Demidyuk Shutterstock , Bhavna Kavetiaug , Susha Cheriyedath , Bhavna Kaveti , Environmental Research , Toxicity Evaluation , Cuo Nanoparticles Against Cattle ,

"A critical review of advanced oxidation processes for emerging trace o" by Arbab Tufail, William E. Price et al.

Abstract
The persistent nature and low biodegradability of a large number of trace organic contaminants (TrOCs) reduce effectiveness of their removal by conventional wastewater treatments. In this context, advanced oxidation processes (AOPs), such as photolysis, photocatalysis, ozonation, Fenton process, anodic oxidation, sonolysis and wet air oxidation, have been studied extensively for the effective degradation of the wide range of TrOCs. All AOPs produce reactive oxygen species (HO , O ), especially hydroxyl radicals that unselectively attack contaminants and oxidise them. Factors affecting the degradation rates of TrOCs by different AOPs include the concentration and nature of the TrOCs, bulk wastewater characteristics, dose of chemicals or catalysts used, and other reaction parameters. This review critically analyses the overview of already established AOPs, the effect of the structure of TrOCs based on different functional groups such as electron donating groups (EDGs) a ....

Advanced Oxidation Processes , Egradation Product , Hydroxyl Radicals , Toxicity Evaluation , Race Organic Contaminants ,