Well then... make a matrix of such fuse-containers? (say every 20cm or whatever)
I guess manufacturing such a matrix would be pretty expensive though, you'd need to carefully automate its production I think. It would also definitely interfere with flow of fluid in the tank.
I was thinking multiple long skinny tubes with etchings that make them more likely to split lengthwise. Maybe with a spring loaded/powered agitator so when the tube breaks there's some mechanical flinging/mixing of the inner chemical.
But I'm not a chemical processes engineer, so I don't know how much mixing is needed. But the existing emergency plan was to inject the the chemical through a single valve, so it seems like the dispersion and mixing requirements in this case seems to be low.
I am imagining some sort of regulations that enforce the creation and installation of appropriate safety systems upon all similar sites in the affected jurisdiction.
And a standard to prevent similar danger elsewhere in the world.
Or is that too fantastic? Perhaps I should stick with the distopian fiction I so love. Why haven't flying cars taken off yet?