polyacrylamide 's three most common forms are dry granules, solid blocks (cubes), and emulsified liquids.The application method of polyacrylamide chosen depends on the form of polyacrylamideselected. The use of dry granular polyacrylamide into irrigation water is facilitated by the use of an augured metering system and excellent mixing and thorough dissolving before the polyacrylamidereaches the irrigated furrows. polyacrylamideblocks ( or cubes) are usually placed in wire baskets that need to be secured to the edge of the ditch to avoid washing of the blocks down the ditch. Liquid polyacrylamidecan be metered directly from the container into the irrigation ditch, directly into the furrow, or through a pipe line or injector pump.Read more:http://www.chemical-chem.com/Papermaking-chemicals/Polyscrylamide/
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