Applications of Zinc Oxide Nanorods in Decontamination of Azoxystrobin Residuesin Different pH Waters
Journal Title: Scholars Academic Journal of Biosciences - Year 2017, Vol 5, Issue 10
Abstract
Zinc oxide nanorods having the size 100 to 250 nm diameter and 1 to 2 µm length was synthesized by reaction with zinc acetate and triethanolamine. The synthesized nanoparticles are characterized by Scanning Electron Microscope (SEM), Transmission Electron Microscope (TEM) X-Ray Diffraction (XRD) and Fourier Transform Infra Red spectroscopy (FTIR). The photo-catalytic activity of zinc oxide nanorods on pesticide azoxystrobin residues in water was investigated. The decontamination of the pesticide residues was studied in Milli-Q water, pH 4, pH 7 and pH 9 water solutions under sunlight in natural climatic conditions. Kinetic parameters such as rate constant (k), DT50 and DT90 were calculated using the dissipation data of all pesticides. The degradation order was pH 4 <Milli-Q water <pH 7<pH 9 for azoxystrobin. The optimum concentration of catalyst required for the rapid decontamination of pesticide residues in water was established by varying the amount of catalyst in the range of 0.02 to 0.1 g/L. The optimum concentration of catalyst was 0.06 g/L. The effective concentration of humic acid required for the rapid decontamination of pesticide residues in water was established by varying the amount of humic acid in the range of 5 to 20 mg/L. The effective concentration of humic acid was 15 mg/L for azoxystrobin. The effect of cations, anions and surfactant on the decontamination of pesticide in water were carried out by adding 10-2 mole/L concentrations of cations (Cu2+, Co2+, Ni2+, Mn2+ and Zn2+), anions (SO42-, Cl-,ClO4-, CO3- and HCO3-) and surfactant (CTAB, SDS and Brij-35). There was no effect except Cu2+ was observed.
Authors and Affiliations
TentuManohra Naidu, P. V. Lakshmi narayana, TentuNageswara Rao, Prathipati Revathi
Keywords
Related Articles
- EP ID EP398522
- DOI -
- Views 108
- Downloads 0
Cutis Verticis Gyrata in a Newborn with Turner syndrome
Abstract:Cutis verticis gyrata (CVG) is hypertrophy and folding of the skin of the scalp presenting as gyrate or cerebriform pattern. It may be primary (essential or non-essential) or secondary to a number of diseases. C...
Differences in Blood Pressure Levels and Its Association with Obesity Indices among Traders in Watt Market Calabar, Cross River State Nigeria
Abstract:The association between Obesity and Blood Pressure is well documented and a series of Obesity indices are used as risk factors or indicators of Blood Pressure or the presence of Hypertension.The objective is to...
Pharmacological Effects of MISCA F2 (Mitracarpus scaber): A Plant Extract on Intestinal Activity of Rabbit
Plant extract (Mitracarpus scaber) coded MISCA is used in traditional medicine to treat most of skin infections. As part of the study of biological tolerance of MISCA, we evaluated the pharmacological effects of the acti...
Profile of Non-Neoplastic and Neoplastic Thyroid Lesions by Fine Needle Aspiration Cytology and their Correlation with Histopathology-A One Year Prospective Study in a Teaching Hospital
Abstract:FNAC is highly cost effective, patient friendly out-patient procedure with minimal discomfort and gives basic to accurate information regarding the lesions. It is considered as first line investigative technique...
A prospective study of distal tibial fracture treated by plate osteosynthesis through posterolateral approach
Distal tibial fracture is a complex injury with high complication rate and constitutes about 7% of all tibial fractures. Many treatment options have been described for treating such fractures. Among the surgical option...