scholarly journals Adsorption of Lead, copper and Zinc in a multi-metal aqueous solution by waste rubber tires for the design of single batch adsorber

Heliyon ◽  
2021 ◽  
pp. e08254
Author(s):  
Faith Cherono ◽  
Njenga Mburu ◽  
Beatrice Kakoi
2005 ◽  
Vol 291 (2) ◽  
pp. 319-325 ◽  
Author(s):  
D.E. Egirani ◽  
A.R. Baker ◽  
J.E. Andrews

2016 ◽  
Vol 835 ◽  
pp. 378-385 ◽  
Author(s):  
Ibrahim Umar Salihi ◽  
Shamsul Rahman Mohamed Kutty ◽  
Mohamed Hasnain Isa ◽  
Usman Aminu Umar ◽  
Emmanuel Olisa

Industrial wastewater containing toxic pollutants such as heavy metals tends to contaminate the environment once it is release without proper treatment. Heavy metals are toxic to both human and other living organisms. It is necessary to treat industrial wastewater polluted with heavy metals prior to its discharge into the receiving environment. In this study, low cost adsorbent was generated from sugarcane bagasse through incineration. The prepared adsorbent “microwave incinerated sugarcane bagasse ash” (MISCBA) was used in removing copper and zinc from aqueous solution. Parameters of importance such as pH, contact time and adsorbent dosages are studied to investigate their effects on the adsorption of copper and zinc. Maximum adsorption was observed at pH 6.0, contact time of 180 minutes and adsorbent dosage of 10 g/L. Zinc removal follows Langmuir isotherm model with correlation coefficient of 0.9291. Copper adsorption follows both Langmuir and Freundlich isotherm model with correlation coefficient of 0.9181 and 0.9742, respectively. Removal capacities of 38.4 mg/g and 20.4 mg/g were obtained for copper and zinc, respectively. Application of MISCBA as low - cost adsorbent have shown significant outcome in removal of copper and zinc from aqueous solution.


2005 ◽  
Vol 291 (2) ◽  
pp. 326-333 ◽  
Author(s):  
D.E. Egirani ◽  
A.R. Baker ◽  
J.E. Andrews

2020 ◽  
Vol 58 (3A) ◽  
pp. 68
Author(s):  
Tran Dac Tran ◽  
Minh Le Tran

Agricultural waste has been received much attention for its potential of being efficient and low-cost adsorbents to remove heavy metals from water. This paper presents a batch investigation of the potential of an adsorbent produced from coffee bean husk for removing copper, nickel and zinc ions from aqueous solution. At the initial pH of 5.0, a dose of 10 g/L, initial concentration of 50 mg/L, shaking speed of 100 rpm, particle size of 0.6-1 mm and at 25oC, the removal of nickel, copper, and zinc ions reached 95% and the highest adsorption capacity of coffee bean husk approached 23, 32, 22 mg/g, respectively. The adsorption isotherm of these ions preferred to the Freundlich isotherm with the relative coefficient R2 equal and or greater than 0.98. Thus, an initial conclusion drawn from the study was that coffee bean husk could potentially be as an effective and economical adsorbent for removing nickel, copper, and zinc ions from the aqueous solution.


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