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Protonated form (Hy) of yeast was subjected to thermal analysis (TGA and DTG) in the temperature range 60–800 °C. Chemically bound water volatilizes around 200 °C and the matrix undergoes extensive oxidative decomposition at 450 °C, the weight loss reaching 75% at 800 °C. The sorption capacity of the matrix for nickel(II) ion increases on heat treatment from 60 to 200 °C (from 16.9 to 25.0 mg/g), but was reduced on heating to higher temperatures at an initial nickel(II) ion concentration of 1200 mg/g. The FTIR spectra of Hy and nickel(II) ion saturated yeast, indicated that biosorption occurs on the sugar and nucleic acid regions, possibly involving –COOH and –NH groups. 相似文献
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Keerthika Kalaiselvan Padmavathy Pandurangan Rani Velu Jeyashakila Robinson Aanand Samraj Kutty Ranjeet 《Environmental science and pollution research international》2022,29(50):75525-75538
Environmental Science and Pollution Research - Microplastics accumulation on beaches raises a serious concern worldwide. Hence, the present study was conducted with the focus of investigating the... 相似文献
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Padmavathy Saji Raveendran Chockalingam Murugan Paradesi Kamaraj Nithyanandhan Glivin Godwin Thangaraj Venkatesh Moorthy Bharathiraja 《Environmental science and pollution research international》2022,29(57):85945-85954
Environmental Science and Pollution Research - Climate change is an important environmental issue that is causing global temperatures to rise. The primary environmental targets are to reduce carbon... 相似文献
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