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Water and Wastes Digest Archive

IWWD January/February 2013
It’s hard to believe it’s 2013—not just because all of the 2012 doomsday predictions proved false, but also because the simple fact that we are already 13 years into the 21st century is awe-inspiring.  Another year gone by reminds us of how rising...
A pigment manufacturing plant in the southern U.S. wanted to ensure that it could meet pending local wastewater discharge requirements. Money for capital upgrades was scarce, and valuable employee resources were being used to operate a treatment...
When it comes to storm water permitting for construction activities, the requirements can be complex. In Florida, two storm water permitting programs regulate construction activities: the state program under Part IV, Chapter 373, F.S.—most commonly...
Every day, 150 big rigs—each pulling two large containers of tomatoes—rumble through a rural California town to the local tomato processing plant. From July to September each year, the plant receives 810,000 lb of tomatoes per day. Operating three shifts...
As water-intensive industries such as specialty manufacturing, power generation and mining continue to locate in relatively arid and water-constrained geographies, they are faced with water supply and wastewater disposal issues that are becoming...
Many industrial operations with highly alkaline wastewater that discharges into public waterways are moving away from mineral acid treatment systems. While hydrochloric (HCl) and sulfuric acid (H2SO4) have effectively neutralized alkaline waste streams...
The treatment of complex industrial wastewater systems laden with items, such as ferric chloride, ferric sulfate, hydraulic oil, animal fats and antibiotics, involves brine treatment and removal of solids and oils, as well as biodegradable organics....

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