Recommendations
Sodium hypochlorite generator (ACQUANOX®)SALUTAR anaerobic filterFerric chlorideRiver Self-Purification: Streeter-Phelps MethodConcentration mixer
QUAL-UFMG Model
QUAL-UFMG

Input data

Temperature

River flow rate

Saturation dissolved oxygen

River wet cross-section area

River dissolved oxygen

River BOD5

River organic nitrogen

River ammoniacal nitrogen

River nitrite

River nitrate

River organic phosphorous

River inorganic phosphorous

River coliform concentration

River length

Deoxigenation coefficient (K1)

BOD decomposition coefficient (Kd)

BOD settling coefficient (Ks)

Reaeration coefficient (K2)

Organic nitrogen settling coefficient (Kso)

Organic-ammoniacal nitrogen conversion coefficient (Koa)

Ammonia-nitrite conversion coefficient (Kan)

Nitrite-nitrate conversion coefficient (Knn)

Ammoniacal nitrogen release by settled sediment (g/m².d) (Snamon)

Ammonia-nitrite conversion oxygen (O2Namon)

Nitrite-nitrate conversion oxygen (O2Nnitri)

Low DO nitrification inhibition coefficient

pH

Organic phosphorous settling coefficient (Kspo)

Organic-inorganic phosphorous conversion coefficient (Koi)

Coliforms decay rate (Kb)

Output data

Flow

Downstream BOD5

Downstream organic phosphorous

Downstream inorganic phosphorous

Downstream nitrate

Downstream nitrite

Downstream ammoniacal nitrogen

Downstream organic nitrogen

Downstream dissolved oxygen

Downstream coliforms (NMP/100ml)

Curves

References

  • Von Sperling, M. (2007 e 2014). Estudos e modelagem da qualidade da água de rios. DESA-UFMG e Editora UFMG.