Chromium and/or arsenate removal by Fe(Ⅱ) as a function of pH, Fe(Ⅱ) dosage and initial Cr(Ⅵ)/As(Ⅴ) ratio were examined in batch tests. The presence of arse
To examine treatment and remediation of a wastewater lagoon with poor biodegradability, a typical wastewater lagoon in Tianjin,China, was treated and remedied u