Recycling Treated Municipal Wastewater for Industrial Water Use
Recycling Treated Municipal Wastewater for Industrial Water Use Recycling Treated Municipal Wastewater for Industrial Water Use
Section 2 Implementation Considerations Table 2.7. Recommended Cooling Water Quality (Makeup for Recirculating Systems) Parameter Recommended Limit (mg/L) Alkalinity 350 Aluminum 0.1 Ammonia 24 Bicarbonate 200 Calcium 50 Chloride 500 Hardness 650 Iron 0.5 Manganese 0.5 Phosphorous 1.0 Silica 50 Total Suspended 100 Solids Sulfate 200 Total Dissolved Solids 500 Source: Adapted from Water Pollution Control Foundation [1989] and Goldstein et al. [1979]. Table 2.8. Recommended Industrial Boiler Feed Water Quality Recommended Limit (mg/L) Parameter Low Pressure Medium Pressure High Pressure (700 psig) Alkalinity 350 100 40 Aluminum 5 0.1 0.01 Ammonia 0.1 0.1 0.1 Bicarbonate 170 120 48 Calcium * 0.4 0.01 Chemical Oxygen Demand 5 5 1 Copper 0.5 0.05 0.05 Dissolved Oxygen 2.5 0.007 0.007 Hardness 350 1.0 0.07 Iron 1.0 0.3 0.05 Magnesium * 0.25 0.01 Manganese 0.3 0.1 0.01 Silica 30 10 0.7 Suspended Solids 10 5 0.5 TDS 700 500 200 Zinc * 0.01 0.01 Source: Adapted from various sources. 2-18 Craddock Consulting Engineers In Association with CDM & James Crook TM1-Sec2_0707.doc
Section 2 Implementation Considerations Craddock Consulting Engineers 2-19 In Association with CDM& James Crook TM1-Sec2_0707.doc Table 2.9. Industrial Process Water Quality Requirements Parameter* Mechanical Pulping Pulp & Paper Textiles Chemical, Unbleached Pulp & Paper Bleached Chemical Petrochem & coal Sizing Suspension Scouring, Bleach & dye Cu -- -- -- -- 0.05 0.01 -- -- Fe 0.3 1.0 0.1 0.1 1.0 0.3 0.1 2.5 Mn 0.1 0.5 0.05 0.1 -- 0.05 0.01 0.5 Ca -- 20 20 68 75 -- -- -- Mg -- 12 12 19 30 -- -- -- Cl 1,000 200 200 500 300 -- -- 250 HCO3 -- -- -- 128 -- -- -- -- NO3 -- -- -- 5 -- -- -- -- SO4 -- -- -- 100 -- -- -- 250 SiO2 -- 50 50 50 -- -- -- 35 Hardness -- 100 100 250 350 25 25 -- Alkalinity -- -- -- 125 -- -- -- 400 TDS -- -- -- 1,000 1,000 100 100 600 TSS -- 10 10 5 10 5 5 500 Color 30 30 10 20 -- 5 5 -- Cement pH 6 – 10 6 – 10 6 – 10 6.2 – 8.3 6 – 9 -- -- 6.5 – 8.5 CCE -- -- -- -- -- -- -- 1 *All values in mg/L except color and pH. Source: Water Pollution Control Federation [1989].
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Section 2<br />
Implementation Considerations<br />
Craddock Consulting Engineers 2-19<br />
In Association with CDM& James Crook<br />
TM1-Sec2_0707.doc<br />
Table 2.9. <strong>Industrial</strong> Process <strong>Water</strong> Quality Requirements<br />
Parameter*<br />
Mechanical<br />
Pulping<br />
Pulp & Paper Textiles<br />
Chemical,<br />
Unbleached<br />
Pulp &<br />
Paper<br />
Bleached<br />
Chemical<br />
Petrochem<br />
& coal Sizing<br />
Suspension<br />
Scouring,<br />
Bleach &<br />
dye<br />
Cu -- -- -- -- 0.05 0.01 -- --<br />
Fe 0.3 1.0 0.1 0.1 1.0 0.3 0.1 2.5<br />
Mn 0.1 0.5 0.05 0.1 -- 0.05 0.01 0.5<br />
Ca -- 20 20 68 75 -- -- --<br />
Mg -- 12 12 19 30 -- -- --<br />
Cl 1,000 200 200 500 300 -- -- 250<br />
HCO3 -- -- -- 128 -- -- -- --<br />
NO3 -- -- -- 5 -- -- -- --<br />
SO4 -- -- -- 100 -- -- -- 250<br />
SiO2 -- 50 50 50 -- -- -- 35<br />
Hardness -- 100 100 250 350 25 25 --<br />
Alkalinity -- -- -- 125 -- -- -- 400<br />
TDS -- -- -- 1,000 1,000 100 100 600<br />
TSS -- 10 10 5 10 5 5 500<br />
Color 30 30 10 20 -- 5 5 --<br />
Cement<br />
pH 6 – 10 6 – 10 6 – 10 6.2 – 8.3 6 – 9 -- -- 6.5 – 8.5<br />
CCE -- -- -- -- -- -- -- 1<br />
*All values in mg/L except color and pH.<br />
Source: <strong>Water</strong> Pollution Control Federation [1989].
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