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An engineered biopolymer mixture that functions as a metal complexing agent in acid mine waters (AMD). It can be used in conjunction with BIO-ADD 1291, flocculant, to treat sulfate-laden waters across a wide pH range of 3 to 10. BIO- ADD 1290 does not require significant pretreatment of feed waters.
A polysaccharide mixture that functions as a sulfate flocculant for acid mine waters (AMD). It can be used with BIO-ADD 1290, flocculant promoter, to treat sulfate-laden waters across a wide pH range of 3 to 10. BIO-ADD 1291 develops flocs that are suitable for micro-filtration (MF), ultra-filtration (UF), and nano-filtration (NF).