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NFPA 36, Standard for Solvent Extraction Plants

2021 NFPA 36 - Current Edition
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  • Description

    Help ensure greater fire safety and minimize risks at solvent extraction plants with the 2021 edition of NFPA 36, Standard for Solvent Extraction Plants.

    Mitigate the specialized hazards involved in extraction of oils from agricultural commodities using hydrocarbon solvents with the updated rules in NFPA 36, Standard for Solvent Extraction Plants. Designers, builders, operators, inspectors, and enforcement personnel can stay up-to-code and utilize the latest updates in this safety standard to help protect workers from fire hazards and additional dangers at solvent extraction plants.

    Revisions and additions to the 2021 edition of NFPA 36 include the following:

    • An alternate standard for spark-resistant construction was added to aid users in applying mechanical ventilation requirements.
    • Language regarding fixed combustible gas monitoring systems was clarified.
    • Portable fire extinguishers are now required to be listed.

    Minimize risks associated with working in dust-laden or flammable vapor-laden atmospheres at solvent extraction plants with the latest edition of NFPA 36. (Print, 40 pp., 2021)

    Order the latest edition of NFPA 36,Standard for Solvent Extraction Plants, today.

  • Table of Contents (2021 Current Edition)

    NFPA® 36 Standard for Solvent Extraction Plants, 2021 Edition

    Chapter 1 Administration
    1.1 Scope.
    1.2 Purpose.
    1.3 Application.
    1.4 Retroactivity.
    1.5 Equivalency.
    1.6 Units and Formulas.
    1.7 Code Adoption Requirements.
    Chapter 2 Referenced Publications
    2.1 General.
    2.2 NFPA Publications.
    2.3 Other Publications.
    2.4 References for Extracts in Mandatory Sections.
    Chapter 3 Definitions
    3.1 General.
    3.2 NFPA Official Definitions.
    3.3 General Definitions.
    Chapter 4 General Requirements
    4.1 Scope.
    4.2 Noncombustible Material.
    4.3 Basic Operating Requirements.
    4.4 Sources of Ignition.
    4.5 Housekeeping.
    4.6 Solvent Transfer Equipment.
    4.7 Piping, Valves, and Fittings.
    4.8 Exits.
    4.9 Fire Protection.
    4.10 Start-Up of Extraction Process.
    4.11 Emergency Procedures.
    4.12 Repairs in Restricted and Controlled Areas When Plant Is Operating or Not Purged.
    4.13 Repairs in Restricted and Controlled Areas When Plant Is Shut Down and Purged.
    Chapter 5 Bulk Solvent Unloading and Storage
    5.1 Scope.
    5.2 Location and Siting.
    5.3 Design and Construction.
    5.4 Fire Protection Equipment.
    5.5 Sources of Ignition.
    5.6 Unloading Procedures.
    Chapter 6 Preparation and Meal Finishing Processes
    6.1 Scope.
    6.2 Design and Construction.
    6.3 Electrical Systems.
    6.4 Dust Removal.
    6.5 Tramp Metal.
    6.6 Dryer Shutdown.
    6.7 Hot Work.
    6.8 Use of Power Tools.
    Chapter 7 Extraction Process
    7.1 Scope.
    7.2 Location and Siting.
    7.3 Design and Construction.
    7.4 Drainage and Spill Control.
    7.5 Conveying Systems.
    7.6 Cooling Towers.
    7.7 Electrical Systems.
    7.8 Ventilation Systems.
    7.9 Ignition Sources and Heating.
    7.10 Flammable Vapor Detection.
    7.11 Lightning Protection.
    7.12 Static Electricity.
    Chapter 8 Extraction Process Equipment
    8.1 Scope.
    8.2 Venting.
    8.3 Conveying Systems for Solids.
    8.4 Extractors, Desolventizers, Toasters, Dryers, and Spent Flake Conveyors.
    8.5 Grinders.
    8.6 Miscella Filters.
    8.7 Wastewater Evaporation.
    8.8 Pressure Vessels and Tanks.
    8.9 Heat Exchangers, Condensers, and Flash Drums.
    8.10 Process Controls.
    Annex A Explanatory Material
    Annex B Description of the Solvent Extraction Process
    Annex C Operational Practices
    Annex D Informational References
  • Prior Editions

    2017 Edition

    The 2017 edition of NFPA 36 helps you work to ensure greater fire safety and minimize the risks of working at solvent extraction plants.

    Implement the new rules in NFPA 36, Standard for Solvent Extraction Plants to mitigate the specialized hazards involved in extraction of oils from agricultural commodities using hydrocarbon solvents.

    Changes to this edition provide more information for operators and designers of solvent extraction plants and make NFPA 36 easier to apply and enforce.

    • A new subsection addresses trenches for solids-collecting conveyors.
    • A new subsection in Annex A provides references to assessment methods for determining the need for lightning protection.
    • Section 8.2 has been revised for consistency with NFPA 30, Flammable and Combustible Liquids Code and to clarify the normal and emergency venting requirements.
    • All exceptions have been rewritten in enforceable, mandatory language.

    Critical for designers, builders, operators, inspectors, and enforcement personnel, the latest edition of NFPA 36 is essential to help minimize risks associated with working in dust-laden or flammable vapor-laden atmospheres at solvent extraction plants. (Print, 32 pp., 2017)

    2013 Edition

    The 2013 NFPA 36 works to ensure fire safety at solvent extraction plants.

    Implement the new rules in NFPA 36, Standard for Solvent Extraction Plants to mitigate the specialized hazards involved in extraction of oils from agricultural commodities using hydrocarbon solvents.

    Changes to this edition include guidance on the use of hand tools and revised guidance on electrical area classification:

    • NFPA 36 extends its application to hand tools and requires management review of their use.
    • Annex revisions provide guidance on the use of spark-resistant hand tools.
    • Section 7.7 has been revised to recognize the Zone system of electrical area classification.

    Other revisions correlate NFPA 36 with NFPA 61.

    The 2013 NFPA 36 includes new exceptions to its requirements for fabric dust collectors to be located either outside or along an outside wall in a fire-resistive room inside the building. These changes align NFPA 36 with NFPA 61, Standard for the Prevention of Fires and Dust Explosions in Agricultural and Food Processing Facilities and provide the designer with more flexible approaches for dust collection.

    Designers, builders, operators, inspectors, and enforcement personnel need today's NFPA 36 to minimize risks associated with working in flammable vapor-laden atmospheres. (Softbound, 28 pp., 2013)

  • Historical Editions

    Previous editions of NFPA® documents are available for sale. Please see applicable NFPA codes and standards product pages to confirm which editions are available for purchase. If you have any questions, contact NFPA Customer Support at 1-800-344-3555 or nfpa.org/customerservice.