Sulphur (formed, Solid)
SULPHUR (formed, solid)
Schedule source MSC.539(107), Annex 9, Appendix 1, IMSBC Code Amendment 07-23 · pages 436, 437
Description
A co-product recovered from sour gas processing or oil refinery operations that has been subjected to a forming process that converts sulphur from a molten state into specific solid shapes (e.g. prills, granules, pellets, pastilles or flakes); bright yellow in colour; odourless.
Hazard
This cargo is non-combustible or has a low fire risk. If involved in a fire, cargo may generate harmful gases. When handled and shipped in accordance with the provisions of the schedule, this cargo poses no corrosion or dust hazards for human tissue or vessel.
Stowage and Segregation
“Separated from” strong oxidizers, such as fluorine, chlorine, chlorates, nitrates (nitric acid), peroxides, liquid oxygen, permanganates, dichromates or the like.
Hold Cleanliness
Clean and dry as relevant to the hazards of the cargo. Holds shall not be washed with seawater.
Weather Precautions
No special requirements.
Loading
Trim in accordance with the relevant provisions required under sections 4 and 5 of IMSBC Code. Appropriate precautions shall be taken to minimize impact, abrasion and crushing when handling to prevent dust from forming. Standard application of surfactants* inhibits airborne dust from forming.
Precautions
Protect machinery, accommodations and equipment from small particles or any dust, if formed. Persons involved in cargo handling shall wear protective clothing, goggles and dust filter masks. Holds including trimming plates and tank tops shall be treated with protective coating such as lime-wash to avoid any potential corrosive reaction between sulphur, water and steel. Upper sections shall have a sound coating of paint. Hatches shall be sealed tightly. * A fine water-based spray that promotes the binding of smaller particles to larger particles.
Ventilation
Surface ventilation only, either natural or mechanical, shall be conducted, as necessary, during the voyage for this cargo.
Carriage
As a fine spray of fresh water or surfactant is added during loading, bilges shall be sounded and pumped out, as necessary, throughout the voyage.
Discharge
Appropriate safety precautions shall be taken when entering the cargo spaces, particularly in the area of the bottom layers of sulphur in ship’s hold, taking into account the recommendations developed by the Organization.* Appropriate precautions shall be taken to minimize impact, abrasion and crushing when handling to prevent dust from forming.
Clean-up
Persons involved in clean-up shall wear hard hats, protective goggles, long-sleeve shirts, long pants and impervious gloves. Use of approved respirators shall be considered. Holds shall be thoroughly washed using only fresh water following discharge. Appropriate safety precautions shall be taken when entering the cargo spaces, taking into account the recommendations developed by the Organization.* * Refer to Revised recommendations for entering enclosed spaces aboard ships (resolution A.1050(27)).
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