Removal of Cadmium (II) from aqueous solution using Coffee powder-A Kinetic study

Abhilash, D. P.; Rose, Shaaron; Indirani, B.

doi:10.5958/0974-4150.2018.00065.2

Asia. Jour. Rese. Chem.

2018

DOI: 10.5958/0974-4150.2018.00065.2

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Removal of Cadmium (II) from aqueous solution using Coffee powder-A Kinetic study

D. P. Abhilash¹,

Shaaron Rose²,

B. Indirani³

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Cited by 5 publications

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Evaluation of DNA Damage of Cadmium in Gastropod Lymnaea radix cor (Annandale and Prashad, 1919) From Euphrates River

Karim

2022

RJPT

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Cadmium toxicity to a snail Lymnaea radix cor collected from Shatt Almadina stream that belongs to Euphrates River, Basra province, Iraq was investigated. DNA damage was used as an indicator for cadmium toxicity in the current study. The adult snails were exposed to several concentrations of cadmium for different periods. DNA fragmentation occurring in the snail exposed to cadmium was substantiated by comet assay and expressed in term Tail DNA percentage. Results revealed a significant increase in DNA damage at cadmium concentrations 60, 80, and 100µg/l for an exposure time of 3 days, and the highest percentage of tail DNA was at the cadmium concentration of 100µg/l. On the other hand, the DNA damage significantly elevated when the exposure period increased to 5 days and the highest tail DNA percentage (18%) was recorded at cadmium concentration 100 µg/l. the assessment of DNA damage in the freshwater snail Lymnaea radix cor gives an early caution signal for aquatic environmental contamination by cadmium.

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Evaluation of DNA Damage of Cadmium in Gastropod Lymnaea radix cor (Annandale and Prashad, 1919) From Euphrates River

Karim

2022

RJPT

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Optimization Formula of Coffee-Maca Granules as an Aphrodisiac Functional drink using D-Optimal mixture Design and PCA-CA

Setyawan,

Ari Antari,

Dewantara Putra

et al. 2023

RJPT

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Arabica coffee (Coffea arabica) and maca (Lepidium mayenii) have many health benefits, one of which is as a tonic and aphrodisiac. This study aimed to combine coffee and maca into a functional drink that has health benefits. Formula optimization was carried out by the D-Optimal Mixture Design method using the proportion of coffee, maca, and dextrin as research variables. The research observed were the amount of yield, moisture content, flow rate, compressibility index, and mounting frequency of male rats to see the aphrodisiac effect. Principal Component Analysis-Cluster Analysis (PCA-CA) was used to study the relationship between experimental responses and the correlation between formulas. The results showed that three components such as coffee, maca, and dextrin gave a positive response in increasing yield values and compressibility index. Meanwhile, foor experimental responses such as moisture content, flow rate, and aphrodisiac tests only two components namely, coffee and maca, gave a positive response in increasing the response. The optimum formula for coffee-maca granules resulted in the average yield value, moisture content, flow rate, compressibility index and mounting frequency of 29.08 g, 5.09%, 5.98, 0.18%, and 10.67, respectively.

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Kinetic modeling of Cu2+, Cd2+ and Pb2+ ions adsorption onto raw and modified Artocarpus heterophyllus L. seeds from a model solution

Ndung’u

Nthiga

Wanjau

et al. 2021

AJRC

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Heavy metals contaminated water has detrimental health effects to human beings and animals not limited to hypertension, kidney damage, cancer and eventual death. Available water treatment methods have proved to not only function at high operation costs and ineffective but also yielded insignificant results to a local ordinary Kenyan citizens. The present study investigates the use of Jackfruit seeds wastes as a low cost adsorbent in adsorption water treatment technique. Raw and modified Jackfruit seeds adsorbent were applied to study kinetic studies of Cu2+, Cd2+ and Pb2+ ions adsorption from an aqueous solution under batch conditions. The adsorption behavior of the three metal ions onto raw and modified adsorbents was monitored spectrophotometrically and analysed with Pseudo-first-order and Pseudo-second-order kinetic models. Correlation coefficients (R2) confirmed that all experimental data fitted Pseudo-second-order with R2 > 0.984 which implied a chemisorption process. Experimental and calculated adsorption capacities was higher for modified adsorbent with Pb2+ ions registering higher values. The rate constants (k2) was higher in modified adsorbent than in raw adsorbent with Pb2+ ions registering highest value of rate of 4.54×10-1 (mg g-1min-1). Adsorption capacities was in the order of Pb2+ > Cu2+ > Cd2+. The results showed viability of the adsorbents for the removal of the heavy metals from waste solution in an economical and environmental friendly manner.

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Removal of Cadmium (II) from aqueous solution using Coffee powder-A Kinetic study

Cited by 5 publications

References 0 publications

Evaluation of DNA Damage of Cadmium in Gastropod Lymnaea radix cor (Annandale and Prashad, 1919) From Euphrates River

Evaluation of DNA Damage of Cadmium in Gastropod Lymnaea radix cor (Annandale and Prashad, 1919) From Euphrates River

Optimization Formula of Coffee-Maca Granules as an Aphrodisiac Functional drink using D-Optimal mixture Design and PCA-CA

Kinetic modeling of Cu2+, Cd2+ and Pb2+ ions adsorption onto raw and modified Artocarpus heterophyllus L. seeds from a model solution

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