Simulation studies of the characteristics of a cryogenic distillation column for hydrogen isotope separation

被引：67

作者：

Bhattacharyya, Rupsha ^{[1
]}

Bhanja, Kalyan ^{[1
]}

Mohan, Sadhana ^{[1
]}

机构：

[1] Bhabha Atom Res Ctr, Div Heavy Water, Bombay 400085, Maharashtra, India

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2016年 / 41卷 / 09期

关键词：

Cryogenic distillation; Hydrogen isotopes; Dynamic simulation; FUSION-REACTOR; FUEL-CYCLE; ITER; DETRITIATION; CASCADE; DESIGN; WATER;

D O I：

10.1016/j.ijhydene.2016.01.106

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Cryogenic distillation is a very widely applied technique for separating the components of a mixture of hydrogen isotopes, which may contain up to six isotopic species. This work presents a simple dynamic model for evaluating the major performance characteristics of a cryogenic distillation column for hydrogen isotope separation. Liquid hold up, pressure drop and flooding point have been predicted for the tower using known packing characteristics and fluid properties. The column has been modelled as an equivalent tray tower using a known value of the height equivalent to theoretical plate (HETP) and its dynamic behaviour and separation performance under various conditions have been predicted. The effect of parameters like temperature, reflux ratio, feed point location and feed composition on the final isotopic contents of top and bottom products at steady state has also been studied. Consequences of neglecting the decay heat of tritium in distillation calculations have also been evaluated. This model is intended for preliminary column design work using data from literature, without the need for prior experimental activity. Copyright (C) 2016, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.

引用

页码：5003 / 5018

页数：16

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