Page 212 - Water and wastewater engineering

Glass X X X X NR X X X X X

Rubber tubing X X X X X X X X X X X X X X X X X

Polypropylene X X X X NR X X X X X X X X X X X X X X

Fiberglass-reinforced polyester (FRP) X X X X X X X X X X X X X X X X

Piping material

PVC—type 1 S X X X X NR S X Consult manufacturer—generally not corrosive S X S X X X X X X X X X S X X S

Copper X X NR NR

Type 304 stainless NR X X NR X NR NR NR X X X X

Type 316 stainless X S X X X NR X X NR NR NR X X X X X X X X

Iron or steel NR S S S S NR X NR NR NR X S X S X S NR

Recommended materials for piping Activated carbon (slurry) Calcium hydroxide (slurry) Chlorine dioxide (3% soln.) Potassium permanganate (2% soln.) Sodium carbonate (soln.) Sodium fluoride (1% to 5% soln.) Sodium hexametaphosphate (soln.) Sodium hydroxide (to 50% soln.) Sodium hypochlorite (to 16% soln.) Industrial standard or excellent for handling Suitable for handling NR Not recommended

TABLE 5-5 Chemical Alum Ammonia, aqua Calcium hypochlorite Carbon dioxide (dry) Chlorinated copperas Chlorine (dry gas) Chlorine solution Coagulant aids Copper sulfate Dolomitic lime (slurry) Ferric chloride Fluosilicic acid Hydrochloric acid Sodium chloride Sodium chlorite Sodium silicate Sodium silicofluoride Sulfur dioxide (dry gas) Sulfur dioxide (soln.) Sulfuric acid (conc.) Sulfuric acid Key: S X Source: Anders

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