By W. Eckenfelder Jr., Andrew Englande Jr

The vintage consultant to controlling commercial water pollution–updated with the most recent rules and new technologies

Turn to the Fourth version of Industrial Water Quality for counsel on state of the art equipment for optimizing or upgrading present wastewater remedy platforms, in addition to selecting the right treatment plans to resolve particular wastewater difficulties. This hands-on instrument displays today’s extra stringent water-quality laws and the hot applied sciences constructed to fulfill them. full of examples and case reports from a number of industries, the booklet covers opposite osmosis or replacement membrane procedures and discusses organic Nutrient removing (BNR) processes.

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Azeotrope formation is important. com) Copyright © 2008 The McGraw-Hill Companies. All rights reserved. Any use is subject to the Terms of Use as given at the website. 2 Reverse osmosis Process A Resin adsorption A NA NA A A NI R R Chemical Oxidants NA Chemical Oxidants DP DP DP pH R <10 <10 O&G, mg/L NI <10 <50 SS, mg/L DP Temperature <1500 Pressure, Psig DP pH R O&G, mg/L Membrane Processes and ion Exchange Parameter DP DP (L) DP Temperature R SS, mg/L DP DP <10 TDS, mg/L A NI NI NI DP H MW <10,000 TDS mg/L Fe, Mn Screening and Identification Matrix for Industrial Wastewaters Physical-Chemical Treatment R Inorganic Ionic Species Inorganic Ionic Species Organic Compounds SemiVolatile Volatile <10,000 mg/L Activated carbon adsorption Process Organic Compounds Adsorption and Precipitation Parameter R Fe, Mn DP M L Sol >150 MW, Amu Differential osmotic pressure <400 psi, LSI <0, SDI <5, and turbidity <1 NTU are recommended.

Many existing wastewater-treatment systems were built just for primary and secondary treatment, though a plant might also have systems for removing materials that would be toxic to microorganisms. Until recently, this was adequate, but now it is not, and so new facilities have to be designed and old facilities retrofitted to include additional capabilities to remove priority pollutants and residuals toxic to aquatic life and in some cases to remove nutrients. Tertiary-treatment processes are added on after biological treatment in order to remove specific types of residuals.

The required effluent quality. Consideration should also be given to possible future restrictions such as an effluent bioassay aquatic toxicity limitation. 3. The costs and availability of land for any given wastewatertreatment problem. One or more treatment combinations can produce the desired effluent. Only one of these alternatives, however, is the most cost-effective. A detailed cost analysis should therefore be made prior to final process design selection. 2 Process Selection A preliminary analysis should be carried out to define the wastewater treatment problems as shown in Fig.

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Industrial Water Quality by W. Eckenfelder Jr., Andrew Englande Jr


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