I was looking around at the Port of Stockton and noticed it appears that they use the same conveyor (and possibly car dumper) for coal, or coke, and sulfur. At first this seemed unlikely since sulfur is about the last thing a power plant would want in its coal. However, I guess they could clean the equipment (probably very expensive) when they switch from one commodity to another.
Neither link works.
It might be your browser. I found that Live Search Maps does not work with all browsers.
I use firefox (Mozilla) and it works. Two guesses:
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They wash the conveyor belt after use.
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Its going to the far east and nobody cares.
I’d go with guess number one as the guys buying sulfur surely don’t want coal dust mixed in.
I doubt there would be enough residue to be concerned about. A conveyer belt is continuous and generally travels back to the loading point upside down and under the load carrying side. Passing over the rollers will shake or scrub amy particles that don;t fall off on their own. If not a brush at some point will clean it well enough.
As far as I know, the Port of Stockton rarely, if ever ships out coal or coke. I have never seen coal or coke on any of the Daily Vessel Logs I have seen. I believe the coal, or coke, is for the power plant at the port.
The possibility exists that the car dumper is used for the coal/coke and sulfur. That would be considerably more difficult to clean than the conveyor belts.