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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
Organizations
Fabricators
Conferences

Used Plants
Intellectual Propoerty
Acid Plant Database
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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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Acid Plant Database January 20, 2011

Owner LS-Nikko Copper Inc.

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Location

70, Daejung-ri, Onsan-eup, Ulju-gun,
Ulsan, 689-890,
Korea

Background

1976 – Construction of Onsan plant begins
1979 – Production of anode copper begins
1979 – On-San Copper Smelting Co., Ltd.
1982 – Merger between On-San Copper Smelting and Korea Mining and Refining Co. Ltd.
1995 – Company name changed to LG Metals Corporation
1999 – Joint venture between LG Metals and Japan Korea Joint Smelting  to form LS-Nikko Copper Inc.

Website www.lsnikko.com  
Plant

Onsan Smelter

Onsan I Onsan II
Coordinates* 35° 26' 7" N, 129° 20' 45" E 35° 26' 5" N, 129° 20' 49" E
Type of Plant Metallurgical Metallurgical
Gas Source Copper
Outotec (Outokumpu) Flash Furnace

Copper
Mitsubishi Process

Plant Capacity - 13.2% SO2
SA/DA DA, 99.8% conversion DA, 99.8% conversion
Status - -
Year Built - -
Technology Outotec (Lurgi) MECS
Contractor - -
Remarks

Products
Sulphuric Acid: 1,360,000 MTPA
Liquid SO2 Plant: produced by deoxidizing refined SO3 gas - 13,200 MTPA
Liquid SO3 Plant: produced by liquifying SO3 from the acid plant - 33,000 MTPA
High Purity Sulphuric Acid: 15,000 MTPA
Gypsum Plant for cement from waste acid using CaCO3 and Ca(OH)2

Scrubbing Systems
Desulphurization Plant I: smelter SO2 scrubber using Mg(OH)2
Desulphurization Plant II: acid plant tailgas SO2 scrubber using CaCO3
Desulphurization Plant III: acid plant tailgas SO2 scrubber using Mg(OH)2

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HRS System: 30 t/h steam

Pictures

LS-Nikko-Onsan-1.JPG (129047 bytes)  LS-Nikko-Onsan-2.JPG (131040 bytes)  LS-Nikko - Onsan 4.jpg (145353 bytes)  LS-Nikko - Onsan 5.gif (19217 bytes)  LS-Nikko - Onsan - Map.gif (13711 bytes)

General

LS-Nikko Copper Inc. has operated an Outokumpu flash smelting furnace line with three P.S. converters at their Onsan Smelter since 1979, capable of producing 140,000 tons of copper from concentrate.

References -
News -

MTPD - Metric Tonne per Day           STPD - Short Ton per Day
MTPA - Metric Tonne per Annum      STPA - Short Ton per Annum
SA - Single Absorption
DA - Double Absorption
 

* Coordinates can be used to locate plant on Google Earth