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In this present study, grey wastewater was treated under different operating conditions such as agitation time (1–3min), pH (2.5–5.5), chitosan dose (0.3–0.6g/l) and settling time (10–20min) using response surface methodology (RSM). Four factors with three levels Box–Behnken response surface design (BBD) were employed to optimize and investigate the effect of process variables on the responses such...
The objectives of the present study is to investigate the chitosan as an adsorbent to treat rice mill wastewater under different process conditions such as agitation time (2–6min), initial pH (2.5–6.5), chitosan dose (400–800mg/l) and settling time (10–30min) in order to study the removal efficiency of chemical oxygen demand (COD) and total suspended solids (TSS). The results showed that, all process...
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