An A2O process is operated with a 12 d SRT and achieves an effluent soluble P concentration of 0.5 mg/L, and effluent NO3-N concentration of 5.0 mg/L. The internal and return activated sludge (RAS) recycle ratios are 3.0 and 0.5 respectively. Determine: a) The change in effluent soluble phosphorus and NO3-N concentrations if the internal recycle ratio is changed to 2.8 and RAS ratio is increased to 1.0. (10 pts) b) How much additional rbCOD is consumed by nitrate fed to the anaerobic zone

Read the sentences below in 1962, i tried to enroll as the first black student at the university of mississippi. the governor of mississippi blocked my entrance which best describes the verbs used in the sentences? o they are past tense verbs, which are often used in narrative essays o they are past tense verbs, which are not often used in narrative essays. o they are future tense verbs, which are often used in narrative essays o they are future tense verbs, which are not often used in narrative essays.

Ionic compounds dissociate into component ions dissolved into a solution creating substances called "electrolytes".hope my answer has you : )

It must be measured in k.hope my answer is to you : )