WebCategory X has the most severe pollution hazards, category Y has moderate pollution hazards, category Z has low pollution hazards and category OS has no hazards when … WebHigh-viscosity or solidifying category Y. Prewash in accordance with Appendix VI to MARPOL Annex II, residues to be pumped ashore until tank is empty. Any water subsequently added may be discharged if: Ship is proceeding en route at a speed of at least 7 knots; Discharge is below the waterline
Assessment of the chemical concentrations and the ... - Springer
WebCategory Y, high Viscosity and solidifying cargoes may require prewash, if not heated. These cargoes do not require a prewash if the following is complied with: Category Y … WebEl sulfato de cobre (II), también conocido como sulfato cúprico, es un sólido cristalino, 2 un compuesto inorgánico con la fórmula química Cu SO 4 (H 2 O) x, donde x puede variar de 0 a 5. El sulfato de cobre (II) pentahidrato (x = 5) es la forma más común, triclínico y de color azul brillante. 2 La forma anhidra (x = 0) tiene una ... tan a berechnen
MARPOL rules for ANNEX 2 chemical tankers—Capt Ajit Vadakayil
WebMARPOL Annex II grades “noxious liquid substances carried in bulk” into 3 categories graded X Y Z, according to the hazard they present to marine resources, human health or amenities. WebIn the case of category X substances, cleaning machines shall be operated in such locations that all tank surfaces are washed. In the case of category Y substances, only one location need be used. 2 During washing, the amount of liquid in the tank shall be minimized by continuously pumping out slops and promoting flow to the suction point. Web1 jan. 2024 · Mandatory prewashing by ships for Category Y substances will be extended to include all vegetable oil cargoes labelled as “persistent floaters. This will have impact on the port operations in both Rotterdam and Amsterdam where vegetable and animal oils and fats are being discharged. tan a grocery rva