application of 2-amino-4-nitrophenol-6-sulfonic acid_kain industrial additive
background and overview[1][2] 2-amino-4-nitrophenol-6-sulfonic acid is used to make m-type reactive dyes and acid dyes, such as acid yellow 99#, red 184#, brown 145#, acid medium orange 4#, 29 #, green 26#, brown 19#, 21# and other dye intermediates. its production wastewater contains a rich variety of organic species and high cod content, making wastewater…

