Hello, I am currently carry out lab work using papaya seed to reduce turbidity. However, my results shows little variation in effect to pH. After optimum pH, the removal still within 88%. Is there any reason for this occurrence? one more question, is there any supporting document stating that a certain natural coagulant can have more than one mechanism (charge neutralization and interparticle bridging)? Thank you in advance
Good day. When the natural coagulant (papaya seed) was added more than the optimum dosage level, the turbidity value remain constant or slightly increases. Because the excess coagulant creates cloudiness as it achieves its maximum limitation on the coagulation process. Based on your study, the maximum reduction on turbidity is 88%.
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