Oxidation-reduction phenomena are very important in every area of water treatment whenever (either as an impurity to be eliminated or as a treatment reagent) elements are involved that are capable ... Oxidation reduction ... oxidation-reduction...

Physical-chemical oxidation is used in the treatment of all types of water for a range of purposes: for disinfection before household or industrial using in order to avoid any danger ... Oxidation reduction ... purpose of oxidation-reduction treatments ... Oxidation/Disinfection...

Household wastewater that is sufficiently "fresh" will have an oxidation reduction potential of approximately 100 mV which, for a pH in the region of 7, produces an rH of 17 to 21 (see oxidation-reduction ... Wastewater Oxidation reduction ... oxidation-reduction-speticity potential...

For a series of given conditions, the potential is represented by the Nernst equation (see oxidation-reduction and basic priniciples - definitions). The Nernst equation applied to anodic corrosion ... Oxidation reduction...

Table 40. Potential applications for the main disinfectants Utilisation conditions have been described in chapter oxidation-disinfection together with the technical limitations applicable to the use ... Oxidation reduction, Disinfection, Oxidation ... Oxidation reduction Disinfection Oxidation ... oxidizing agent selection guide ... Oxidation/Disinfection...

the oxidising-reduction reaction and the redox couple Each oxidation-reduction reaction can be described using half-equations applicable to the two Redox couples involved such that the electrons ... Oxidation reduction, Oxidation ... Oxidation reduction Oxidation ... fundamental concepts on the oxidation-reduction chemical reaction ... Oxidation/Disinfection...

constants of gases). As demonstrated by the oxidation reduction equations, the oxidising capacity of oxygen is heavily dependant on pH and low compared to other oxidants used. Thus, at neutral p ... Oxidation reduction, Disinfection, Oxidation, Biolysis ... Oxidation reduction Disinfection Oxidation Biolysis ... the oxidants and disinfectants ... Oxidation/Disinfection...

, sulphuric acid: Figure 6. Sulphur cycle Simple oxygen reduction reactions in: Leucothiobacteria (or colourless sulphur bacteria) such as Beggiatoa or Thiothrix: Some ... Oxidation reduction...

in water is similar to that of chlorine but different in that molecular bromium and hypobromous acid subsist at high pH. Given the oxidation-reduction potentials of the different species, the oxidising power ... Oxidation, Disinfection, Oxidation reduction ... Oxidation Disinfection Oxidation reduction ... Oxidation/Disinfection...

of all germs. The germicidal action of disinfectants is based on oxidation reduction mechanisms. Thus, the effectiveness of a chemical disinfectant will be directly related to its oxidising capacity which ... Oxidation reduction Disinfection ... Oxidation/Disinfection...

by the reddish brown color of the silver chromate precipitate, a salt that is more soluble than silver chloride. oxidation reduction In the cases of permanganate oxidability and COD , potassium permanganate ... Water analysis Oxidation reduction...