Removing Disperse red 60 and Reactive blue 19 dyes removal by using Alcea rosea root mucilage as a natural coagulant.

摘要: In terms of health, dyes have carcinogenic, mutagenic and toxic properties can adverse effects on health the environment. Therefore, sewage containing to must be purified before being discharged into The current study aimed investigate effectiveness Alcea rosea root extract in Disperse red 60 Reactive blue 19 removal from synthetic sewage. this study, effect different indices including pH (5–11), concentration (50–300 mg/L) initial dye (10–80 mg/L) was investigated. During tests, coagulant stirred with rapid mixing at a speed 250 rpm for 2 min. following, (30–60 rpm) time (10–25 min) were used slow after settling (10–60 min) temperature (20–70) efficiency results showed that maximum optimum conditions (pH = 11, concentration = 200 250 mg/L, 40 20 mg/L, 60 rpm, during 15 min 60 min 60 °C obtained 86% 68%, respectively. According result, has best ability removing aqueous solutions sewage, especially dyes. is much eliminated coagulation process due its lower solubility, higher suspending materials less required solved chemical oxygen demand total (SCOD/TCOD).