“…If they remain in the final product, these compounds, or their hydrolysis products, can exhibit carcinogenic and neurotoxic actions [ 3 ]. Thus, it is essential to consider the concentrations used since high concentrations can result in the retention of polyacrylamide molecules in the final crystal sugar [ 3 ]. On the other hand, when carried by the flocs to the effluents, they may contaminate sugarcane crops, due to the use of the effluents as biofertilizers.…”