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Section 5 So2 and Acid Gas Controls

By Barbour, Wiley

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Book Id: WPLBN0000063031
Format Type: PDF eBook
File Size: 0.3 MB
Reproduction Date: 2007
Full Text

Title: Section 5 So2 and Acid Gas Controls  
Author: Barbour, Wiley
Volume:
Language: English
Subject: Ecology, Natural resource issues, Environemtal protection
Collections: Environmental Awareness Library Collection
Historic
Publication Date:
Publisher: United States Environmental Protection Agency

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Barbour, W. (n.d.). Section 5 So2 and Acid Gas Controls. Retrieved from http://www.worldebooklibrary.net/


Description
Excerpt: energy requirements. However, they have the least effective mass transfer capability of the absorbers discussed and are usually restricted to particulate removal and control of highly soluble gases such as sulfur dioxide and ammonia. They also require higher water recirculation rates and are inefficient at removing very small particles.[2, 5]

Table of Contents
Contents 1.0 Introduction ........................................................................................................................................... 1-3 1.1 System Efficiencies and Performance ..................................................................................................... 1-3 1.2 Process Description ............................................................................................................................... 1-4 1.2.1 Absorber System Configuration ................................................................................................... 1-4 1.2.2 Types of Absorption Equipment ................................................................................................... 1-5 1.2.3 Packed Tower Interals ................................................................................................................... 1-6 1.2.4 Packed Tower Operation ............................................................................................................... 1-9 1.3 Design Procedures ............................................................................................................................... 1-10 1.3.1 Determining Gas and Liquid Stream Conditions ......................................................................... 1-11 1.3.2 Determining Absorption Factor .................................................................................................. 1-15 1.3.3 Determining Column Diameter .................................................................................................... 1-16 1.3.4 Determining Tower Height and Surface Area ............................................................................. 1-18 1.3.5 Calculating Column Pressure Drop ............................................................................................. 1-20 1.3.6 Alternative Design Procedure .................................................................................................... 1-21 1.4 Estimating Total Capital Investment ..................................................................................................... 1-23 1.4.1 Equipment Costs for Packed Towers .......................................................................................... 1-23 1.4.2 Installation Costs ........................................................................................................................ 1-25 1.5 Estimating Annual Cost ........................................................................................................................ 1-26 1.5.1 Direct Annual Costs ................................................................................................................... 1-26 1.5.2 Indirect Annual Costs ................................................................................................................ 1-28 1.5.3 Total Annual Costs ..................................................................................................................... 1-30 1.6 Example Problem .................................................................................................................................. 1-30 1.6.1 Required Information for Design ................................................................................................ 1-30 1.6.2 Determine Gas and Liquid Stream Properties .............................................................................. 1-31 1.6.3 Calculate Absorption Factor ....................................................................................................... 1-34 1.6.4 Estimate Column Diameter ......................................................................................................... 1-34 1.6.5 Calculate Column Surface Area .................................................................................................. 1-3

 

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