Top Comments:

"....All this new money China is making is at a huge environmental cost, not to mention a huge cost to their people...."

"...Not too long ago I remember reading a study on hexavalent
chromium. Some scientists discovered that coffee husks could absorb
nearly 2/3 of the haxavalent chromium from contaminated water. Coffee
husks are cheap and readily available to many people. I wonder if the
government have thought of this?
Here is a reference.


"Removal of hexavalent chromium using coffee husk" in International Journal of Environment and Pollution, 2010................"***





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