نتایج جستجو برای: natural absorbents

تعداد نتایج: 482092  

Journal: :Atmosphere 2023

Screening of absorbents is essential for improving the removal rate carbon disulfide (CS2) waste air by absorption. In this work, UNIFAC model in Aspen Plus was utilized to calculate excess Gibbs function and absorption potential binary system CS2 with various alcohols, ethers, esters, amines, aromatic hydrocarbons. The results were used quantitatively compare efficiency each solvent theoretica...

Journal: :Transactions of Tianjin University 2022

Abstract Lead toxicity in perovskite materials, which have hazardous effects on the environment and human body, has drawn considerable attention to emerging photovoltaic technology solar cells. Despite capability of other strategies prevent lead leakage, chemisorption is another efficient approach block Pb leaching by employing absorbents in/out device structures. This review discusses summariz...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سمنان - دانشکده مهندسی موادو متالورژی 1393

the aim of this paper is eliminating cr(vi) by natural hap. hap is a inexpensive material which is used from bovine critical bone ash in order to remove heavy metal ions like cr(vi). some experiments in different ph are performed (ph=2,3,7). maximum adsorption was appeared at ph=2, dosage=0.3 gr, c0=10 mg/l. cr(vi) removal depends on ph value and initial amount of cr(vi) result of experiments w...

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