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Sulphuric Acid on the WebTM Technical Manual DKL Engineering, Inc.

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Sulphuric Acid on the Web

Introduction
General
Equipment Suppliers
Contractor

Instrumentation
Industry News
Maintenance
Acid Traders
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Used Plants
Intellectual Propoerty
Acid Plant Database
Market Information
Library

Technical Manual

Introduction
General

Definitions
Instrumentation
Plant Safety
Metallurgial Processes
Metallurgical
Sulphur Burning
Acid Regeneration
Lead Chamber
Technology
Gas Cleaning
Contact
Strong Acid
Acid Storage
Loading/Unloading

Transportation
Sulphur Systems
Liquid SO2
Boiler Feed Water
Steam Systems

Cooling Water
Effluent Treatment
Utilities
Construction
Maintenance
Inspection
Analytical Procedures
Materials of Construction
Corrosion
Properties
Vendor Data

DKL Engineering, Inc.

Handbook of Sulphuric Acid Manufacturing
Order Form
Preface
Contents
Feedback

Sulphuric Acid Decolourization
Order Form
Preface
Table of Contents

Process Engineering Data Sheets - PEDS
Order Form
Table of Contents

Introduction

Bibliography of Sulphuric Acid Technology
Order Form

Preface
Contents

Sulphuric Acid Plant Specifications
 

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Materials of Construction - Mondi™

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Mondi™ is a registered trademark of Monsanto Enviro-chem for their improved ductile iron piping system for strong sulphuric acid (>92% H2SO4).   Mondi™ is a special ductile iron with closely controlled metallurgy and proprietary modifications for improved performance in acid service.   It has improved corrosion resistance to 92-99% acid, at temperatures up to 149°C (300°F).  It is 95% ferrite for excellent performance around anodically protected acid coolers.

Mondi™ piping systems operate at higher velocities than standard ductile and gray cast iron.  Velocities range from 1.2 to 3.0 m/s (4 to 10 ft/s) for 3" to 30" line sizes.

The Mondi™ system not only involves the improved metallurgy but includes the entire piping system such as: