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INTRODUCTION/SUMMARY
Water purity and water conservation have never been more important. Virtually every company in every industry is affected, from giant paper mills,
food processors and utilities to the corner gas station and the local drive-in restaurant. Water quality rules are becoming ever more stringent,
complex, and costly. Companies must meet the rules enforcing the federal Clean Water Act as well as a maze of state and local regulations. And waste
is by no means the only issue. Most industries must obtain ever purer water for their processes. Some, such as semiconductor and pharmaceutical
makers, require water of almost absolute purity. Most companies are finding they have to clean their water both before and after they use it. The
harmful impact of waste streams of all types on the global environment is hard to overstate. Wastewater is continually being produced and with each
passing year the quality of the planet's water measurably deteriorates. The best that can be done is to reduce the level of harmful and toxic
discharges and perhaps reclaim and reuse some of the by-products, raw materials and the water itself that appear in wastewater streams. Advanced
wastewater treatments have become an area of global focus as individuals, communities, industries and nations strive for ways to keep essential
resources available and suitable for use. Advanced wastewater treatment technology, coupled with wastewater reduction and water recycling initiatives,
offer hope of slowing, and perhaps halting, the inevitable loss of usable water. The total value of the globally installed base of advanced
wastewater systems was estimated at $3.5 billion in 2001. This market is expected to grow at an AAGR (average annual growth rate) of 5.5% to reach
$4.6 billion by 2006. There is no shortage of cost-cutting technology. Almost daily, equipment and instrument makers, as well as industry and
academic researchers, announce new ways to monitor quality, remove contaminants, and recycle water. But finding the proper alternatives ¾ at
the right price ¾ can be bewildering. This anthology keeps readers abreast of the rapid technology developments, which characterize the entire
water technology industry. It covers:
- Instruments and monitoring devices
- Testing technology
- Ultrapure water treatment
- Membrane processes
- Recycling processes
- Biofiltration and chemical treatment
- Modeling
- Wastewater purification
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