Optimal design of adsorbents for NORM removal from produced water in natural gas fracking. Part 2: CAMD for adsorption of radium and barium

被引：15

作者：

Benavides, Pahola T. ^{[1
]}

Gebreslassie, Berhane H. ^{[1
]}

Diwekar, Urmila M. ^{[1
]}

机构：

[1] Vishwamitra Res Inst, CUSTOM, Crystal Lake, IL 60012 USA

来源：

CHEMICAL ENGINEERING SCIENCE | 2015年 / 137卷

基金：

美国国家科学基金会;

关键词：

Natural gas; Produce water; Natural occurring radioactive material (NORM); Computer-aided molecular design (CAMD); Efficient ant colony optimization (EACO); AIDED MOLECULAR DESIGN; ANT COLONY OPTIMIZATION; OPTIMAL SOLVENT DESIGN; SEPARATION PROCESS; SELECTION; UNCERTAINTY; INTEGRATION; FRAMEWORK;

D O I：

10.1016/j.ces.2015.06.019

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

This is second paper in series in which we propose computer-aided molecular design (CAMD) methodology for the optimal design of adsorbents for adsorption of natural occurring radioactive material (NORM) of natural gas fracking waste. The adsorbent selection optimization problem is posed as a mixed integer nonlinear programming problem and a new algorithm called efficient ant colony optimization (EACO) is used to solve the problem. The algorithm maximizes the absorption capacity of the adsorbent subject to structural feasibility, thermodynamic property correlations, process conditions derived from produced water and mass balance on the adsorption process constraints. New adsorbents for removal of radium and barium together and individually are proposed. These adsorbents show far greater capacity to remove radium and barium from produced water than state of the art adsorbents found in literature. (C) 2015 Published by Elsevier Ltd.

引用

页码：977 / 985

页数：9

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