sdz,
You may also want to check out Aluminaliner by Quadex. It is a calcium aluminate admix.
http://www.quadexonline.com/
Their website focuses on rehab of structures, but you can also use it to build new ones.
w5ehx
The Hydrogen Sulfide is in the air in these wells and pipes. There is a bacteria that eats the H2S and with a little Oxygen, creates the acid. (Apparently, somebody makes a concrete admixture that the bacteria can't live on. Looking into that.)
I want to make the concrete repairs also acid...
I need to patch some wells and pipe with something that is resistant to 60ppm(I think) H2SO4 at a wastewater treatment plant. We are going to coat the wells and pipes with epoxy coating for this use. But the wells are in such bad shape, we will have to do some patching to get a monolithic...