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DYNA
Print version ISSN 0012-7353On-line version ISSN 2346-2183
Abstract
CHOQUE-QUISPE, David et al. Optimization of the flocculating capacity of natural coagulants in water treatment. Dyna rev.fac.nac.minas [online]. 2020, vol.87, n.212, pp.90-95. ISSN 0012-7353. https://doi.org/10.15446/dyna.v87n212.80467.
The objective was optimize the flocculating capacity of three varities of cacti Echinopsis pachanoi (San Pedro), Neoraimondia arequipenses (Ulluquite) and Opuntia ficus (Tuna) in the artificial wastewater treatment. They were applied 1%, 2% and 3% coagulant doses of the three varieties of cactaceae extracted with 96% ethanol. It was evaluated the flocculating activity (FA) and removal percentage (%R); a significant increase was observed (p-value < 0.05) with the increase in the coagulant dose. The optimization was carried out considering as objective function the %R which were subjected to FA, pH, hardness, alkalinity and BOD5 of water treatment. Which were reported values of 99.09 %R for San Pedro variety, 92.42 %R for Ulluquite variety and 98.98 %R for tuna variety, for doses of 0.207%, 0.246% and 0.754% of coagulant respectively.
Keywords : artificial wastewater; flocculating activity; removal percentage.