Production of Phosphoric Acid

The February 6, 2008 … Pure anhydrous phosphoric acid is a white solid that melts at 42.35EC … The phosphoric acid is not particularly strong, as indicated by ….

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Production of  Phosphoric Acid

  • TABLE OF CONTENTS
  • PREFACE…4
  • DEFINITIONS…6
  • 1. INTRODUCTION…7
  • 2. DESCRIPTION OF PRODUCTION PROCESSES…7
  • 2.1 Raw Materials for Phosphoric Acid Production…7
  • 2.2 Principles of the Process…10
  • 2.3 Production Processes…12
  • 2.4 Emission Abatement…24
  • 2.5 Gypsum Disposal…27
  • 3. DESCRIPTION OF STORAGE AND TRANSFER EQUIPMENT…28
  • 3.1 Raw Materials Storage…28
  • 3.2 Phosphoric Acid Storage…29
  • 4. ENVIRONMENTAL DATA…29
  • 4.1 Input Requirements…29
  • 4.2 Output Production…30
  • 4.3 Emissions and Wastes…30
  • 4.4 Environmental Hazards Associated with Emissions and Wastes…31
  • 5. EMISSION MONITORING…32
  • 5.1 Fluoride…32
  • 5.2 Gypsum…32
  • 5.3 Radioactivity…33
  • 6. MAJOR HAZARDS…33
  • 7. OCCUPATIONAL HEALTH & SAFETY…33
  • 8. SUMMARY OF BAT EMISSION LEVELS…34
  • 8.1 Achievable Emission Levels for New Plants…34
  • 8.2 Achievable Emission Levels for Existing Plants…34
  • 8.3 Cost of Pollution Control Measures…35
  • 9. REFERENCES…35
  • GLOSSARY OF TERMS…36
  • APPENDIX 1 Emission Monitoring in Phosphoric Acid Plants…39
  • APPENDIX 2 General Product Information on Phosphoric Acid…42
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