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

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Sulphuric Acid on the Web

Introduction
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DKL Engineering, Inc.

Handbook of Sulphuric Acid Manufacturing
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Preface
Contents
Feedback

Sulphuric Acid Decolourization
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Preface
Table of Contents

Process Engineering Data Sheets - PEDS
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Introduction

Bibliography of Sulphuric Acid Technology
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Preface
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Sulphuric Acid Plant Specifications
 

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Acid Plant Database June 21, 2011

Owner Southern States Chemicals

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Location

2600 US-421 South
Wilmington, North Carolina
USA  28401

Background Part of Dulaney Industries
Website www.sschemical.com
Plant Plant No. 1 Plant No. 3 New Plant (Wilbara LLC)
Coordinates* 34°16' 22" N, 77° 57' 10" W - -
Type of Plant Sulphur Burning Sulphur Burning -
Gas Source Elemental Sulphur Elemental Sulphur -
Plant Capacity H2SO4 and Oleum: 125 STPD 106 STPD -
SA/DA SA SA -
Emissions

SO2: 27 lb/ton
Acid Mist: 0.5 lb/ton
NOx: 5.8 lb/ton
Opacity: < 40%

SO2: 27 lb/ton
Acid Mist: 0.5 lb/ton
NOx: 5.8 lb/ton
Opacity: < 40%

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Permits

Permit No.: 1853T15
Facility ID: 6500118
Issue Date: April 28, 2006
Expiration Date: March 31, 2011

Status Operating Operating -
Year Built - - -
Technology - - -
Contractor - - -
Remarks

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Pictures   Southern States - Wilmington 2.jpg (21042 bytes)  Southern States - Wilmington 3.jpg (19307 bytes)  Southern States - Wilmington 4.jpg (22497 bytes)  Southern States - Wilmington 5.jpg (17944 bytes)  Southern States - Wilmington 6.jpg (24577 bytes)
General -
Reference Photos from www.sschemical.com
North Carolina Air Quality Permit No. 1853T15
News June 10, 2011 - State environmental officials recently recommended that the Environmental Protection Agency postpone designating the Wilmington area as non-attainment or not in compliance with the new federal air quality standard for sulfur dioxide, or SO2.  Measurements by the N.C. Division of Air Quality, or DAQ, show that the New Hanover County monitor does not meet the more stringent SO2 standard that the EPA adopted in June 2010. States were required to submit recommendations by last Friday for the boundaries of SO2 attainment and non-attainment areas, or those areas not meeting the standard.  The N.C. Department of Environment and Natural Resources recommended that the EPA defer its designation of a non-attainment area for New Hanover County due to the closure of several large sources of SO2 in the area and the resulting drop in measured SO2 levels. Southern States Chemical and WASTEC have shut down their facilities near the monitor, and Progress Energy plans to convert its nearby Sutton plant from coal to natural gas by early 2014. The New Hanover County monitor has measured no SO2 values above the new standard so far in 2011.  “I request that the USEPA consider deferring a nonattainment designation for this area until after 2012,” Dee Freeman, secretary of the N.C. Department of Environment and Natural Resources, stated in a June 2 letter to the EPA. “…It is possible for the Wilmington monitor to attain the 1-hour SO2 standard by the end of 2012.”  If the EPA will not agree to postpone the non-attainment decision for Wilmington, the state environmental agency has recommended that the federal agency designate the northwestern corner of New Hanover County, bounded by the Cape Fear and Northeast Cape Fear rivers and the Pender County line. Non-attainment areas are regions officially designated by the EPA as not meeting air quality standards, and the state must develop plans for bringing such areas back into compliance.   Industries that emit SO2 may face more stringent requirements in non-attainment areas.  Sulfur dioxide is one of six criteria or major pollutants specified in the federal Clean Air Act. It is a pungent gas that is unhealthy to breathe, can damage vegetation and materials such as buildings, and contributes to the formation of haze, particle pollution and acid precipitation. High levels of SO2 can cause or worsen respiratory ailments such as asthma, bronchitis and emphysema and aggravate existing heart disease. Populations most affected include children, the elderly and other sensitive groups.  In June 2010, the EPA adopted a more stringent SO2 standard of 75 parts per billion (ppb) averaged over one hour.  Previously, there were three SO2 standards: 500 ppb averaged over 3 hours, 140 ppb averaged over 24 hours, and 30 ppb averaged over a year.  Compliance with the federal SO2 standard is determined by a formula based on a three-year average of the 99th percentile of the daily maximum one-hour concentrations. Under that formula, the design value for the air monitor located in New Hanover County is 110 ppb

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