Production and characterization of composite activated carbon from potato peel waste for cyanide removal from aqueous solution

Sami D. Salman; Israa M. M. Rashid

doi:10.1002/ep.14260

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Publication Date

Wed Sep 20 2023

Journal Name

Environmental Progress & Sustainable Energy

DOI

10.1002/ep.14260

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Production and characterization of composite activated carbon from potato peel waste for cyanide removal from aqueous solution

Sami D. Salman

Israa M. M. Rashid

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AbstractThis research presents a response surface methodology (RSM) with I‐optimal method of DESIGN EXPERT (version 13 Stat‐Ease) for optimization and analysis of the adsorption process of the cyanide from aqueous solution by activated carbon (AC) and composite activated carbon (CuO/AC) produced by pyro carbonic acid microwave using potato peel waste as raw material. Pyrophosphate 60% (wt) was used for impregnation with an impregnation ratio 3:1, impregnation time of 4 h at 25°C, radiant power of 700 W, and activation time of 20 min. Batch experiments were conducted to determine the removal efficiency of cyanide from aqueous solution to evaluate the influences of various experimental parameters such as contact time, cyanide concentration, initial pH, and dosage of adsorbent on cyanide removal efficiency. The statistical analysis showed that the quadratic model was significant. The model very low probability value (<italic>p</italic>‐value < 0.0001) for activated carbon and composite activated carbon, and the analysis of variance showed a high coefficient of specification values of adjusted <italic>R</italic>2 (model accuracy with observation) and predicted <italic>R</italic>2 (model accuracy without observation). The optimum conditions suggested by the model for the process variable were 160 min, pH = 10, 10 mg/L, 0.1 g/50 mL, for time, pH, concentration, activated carbon, and composite activated carbon dose, respectively. The maximum removal efficiency at these conditions was 98.2% for AC and 99.35% for CuO/AC. The equilibrium adsorption data obtained were analyzed by Langmuir and Freundlich isotherm models and results showed that it was better described by the Freundlich model. Likewise, the data of adsorption kinetic was analyzed using two models: pseudo‐first‐order and pseudo‐second‐order. The results showed that adsorption kinetics was well performed by the pseudo‐second‐order model.

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Publication Date

Sun Jul 25 2021

Journal Name

Natural Resources Research

Effect of Water Flooding on Oil Reservoir Permeability: Saturation Index Prediction Model for Giant Oil Reservoirs, Southern Iraq

Salih

Heba S.

Zaher Mundher

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Publication Date

Mon Jun 01 2020

Journal Name

Iop Conference Series: Materials Science And Engineering

The possibility of Using the Low-Cost External Antenna with Smartphone for Accurate Surveying Applications by RTX Technology

Omar Ali

Luma Khalid

Raghad Hadi

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AbstractReal Time Extended (RTX) technology works to take advantage of real-time data comes from the global network of tracking stations together with inventor locating and compression algorithms to calculate and relaying the orbit of satellite, satellite atomic clock, and any other systems corrections to the receivers, which lead to real-time correction with high accuracy. These corrections will be transferred to the receiver antenna by satellite (where coverage is available) and by IP (Internet Protocol) for the rest of world to provide the accurate location on the screen of smartphone or tablet by using specific software. The purpose of this study was to assess the accuracy of Global Navig ... Show More

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Publication Date

Tue May 02 2023

Journal Name

Social Science Journal

An Investigation of Microstructure Analysis for World Health Organizatioan Speeches during Covid-19 Pandemic: Adopted Van Dijk Theory

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Publication Date

Fri Aug 01 2014

Journal Name

Int. J. Mod. Eng. Res

Exact solutions for MHD flow of a viscoelastic fluid with the fractional Burgers’ model in an annular pipe

Generalized Burgers’ fluid

finite Hankel transform

discrete Laplace transform.

Ghada

Ahmed M.

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This paper presents an analytical study for the magnetohydrodynamic (MHD) flow of a generalized Burgers’ fluid in an annular pipe. Closed from solutions for velocity is obtained by using finite Hankel transform and discrete Laplace transform of the sequential fractional derivatives. Finally, the figures are plotted to show the effects of different parameters on the velocity profile.

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Publication Date

Sun Mar 01 2015

Journal Name

Current Research In Microbiology And Biotechnology

Evaluation for the Cytotoxic Effect of Exotoxin A Produced by Pseudomonas aeruginosa on Mice by using Cytogenetic Parameters

Sara

Maha

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This research was conduct to evaluate the cytotoxic effect of exotoxin A (ETA) produced by Pseudomonas aeruginosa on mice in comparison with (phosphate buffer saline (PBS) as a negative control. The effect of the toxin was measured by employing the cytogenetic analysis which included (the mitotic index (MI), chromosomal aberrations (CAs), micronucleus (MN) and sperm abnormalities) parameters. In order to specify the cytotoxic effect of the toxin, three doses of ETA (125, 250 and 500 ng/ml) were used. Results showed that ETA was found to cause a significant decrease in mitotic index (MI) percentage, while significant increase in micronucleus (MN), chromosomal aberrations (CAs) and sperm abnormalities parameters in compression with control wa

Publication Date

Fri Mar 31 2017

Journal Name

Iraqi Journal Of Biotechnology

Reliable Reference Gene for Normalization of RT- qPCR Data in Human Cancer Cell Lines Subjected to Gene Knockdown

Reference gene

RT-qPCR

human cancer cell lines

gene knockdown

18S

ACTB

Inam J.

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Quantitative real-time Polymerase Chain Reaction (RT-qPCR) has become a valuable molecular technique in biomedical research. The selection of suitable endogenous reference genes is necessary for normalization of target gene expression in RT-qPCR experiments. The aim of this study was to determine the suitability of each 18S rRNA and ACTB as internal control genes for normalization of RT-qPCR data in some human cell lines transfected with small interfering RNA (siRNA). Four cancer cell lines including MCF-7, T47D, MDA-MB-231 and Hela cells along with HEK293 representing an embryonic cell line were depleted of E2F6 using siRNA specific for E2F6 compared to negative control cells, which were transfected with siRNA not specific for any gene. Us

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Publication Date

Sun Jan 01 2023

Journal Name

Aip Conference Proceedings

Study of (Zn0.7 Mn0.3-x Ag0.3 Fe2O4) ferrite nanoparticles synthesized by auto combustion method for NO2 gas sensing

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Fri Jan 01 2021

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Microchemical Journal

A flow analysis system integrating an optoelectronic detector for the quantitative determination of active ingredients in pharmaceutical formulations

Optoelectronic detector

Light scattering

Turbidity

Pharmaceutical formulations

Flow injection analysis

Turkey N.S.

Jalal N.

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Publication Date

Fri Jan 01 2021

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Microchemical Journal

A flow analysis system integrating an optoelectronic detector for the quantitative determination of active ingredients in pharmaceutical formulations

Nagham S. Turkey

Jalal N.

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Publication Date

Sat Jul 08 2017

Journal Name

Neural Computing And Applications

A new algorithm of modified binary particle swarm optimization based on the Gustafson-Kessel for credit risk assessment

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