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19
Feb
2021

What is the difference between green delayed petcoke and calcined petcoke?

by Calista Nicks February 19th, 2021 in Cargo Hold Cleaning, Marine Barrier

Petcoke is the solid carbon byproduct of the oil refining process and comes in various grades. Both are known to cause staining in bulk carrier holds. So, while cleaning procedures are similar between the two of them, one requires an effective protective barrier to shield the hold from oily residue. 

Calcined Petcoke

Calcined Petroleum Coke (CPC) is a tough but brittle, granular material, low in ash and high in fixed carbon. It is virtually free of residual hydrocarbons and moisture so it’s considered to be inert. Therefore this one is not hazardous to holds. It does cause staining however and requires a thorough cleaning to remove all traces of residue.

RBM HoldWash-HD® is ideal for bulk carrier hold cleaning when working with calcined petcoke. It is the strongest, eco-friendly, cleaning solution on the market.

Green Delayed Petcoke

Green delayed petroleum coke is also known as green coke, or raw coke. It is a high-fixed-carbon material and considered only mostly inert. That is because it also contains 15-20% residual hydrocarbon solids. These produce persistent staining of cargo holds and are difficult to remove, particularly if they are allowed to build up over successive cargos. Bulk carrier hold protection is strongly recommended to protect the underlying steel. 

RBM HoldBlock® is a specially formulated protective barrier solution designed for vessels carrying greasy cargoes like green delayed petcoke. Follow with RBM HoldWash-HD® to thoroughly remove all traces of barrier protection and hydrocarbons. Now your holds are ready to take on their next cargos.


Calista Nicks

Senior Content Writer
Marketing Writer for Cityline Websites


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