ultrapure water Articles

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Removal of bromide and bromate from drinking water using granular activated carbon

by IWA Publishing  (Feb. 27, 2015)

Granular activated carbon (GAC) was used to remove bromide (Br−) and bromate (BrO3−) from drinking water in both bench- and pilot-scale experiments. The present study aims to minimize BrO3− formation and eliminate BrO3− generated during the ozonation of drinking water, particularly in packaged drinking ...

Electrodeionization - Ultrapure water

by SIMPEC Srl Societa Implanti Ecologici  (Sep. 29, 2011)

Continuous Electrodeionization Process The continuous electrodeionization process (CEDI),  is a system that uses ion exchange resins and electricity  for the production of ultrapure deionized water without chemical processes and without production stops. SIMPEC uses modular systems for the electrodeionization processes. The CEDI ...

PHBJ-260 Portable PH Meter

Functions: 1.LCD widescreen display, controllable blue backlight 2.Automatic calibration, power protection, manual and automatic temperature compensation ...

Ultrapure Water: World Markets Report

by The McIlvaine Company  (Jun. 8, 2010)

Provides continually updated analyses and forecasts of ultrapure water systems and a number of specific components and consumables such as resins for power, pharmaceutical, semiconductor, and other industries. Click here for ...

Analysis of impurities in ultrapure water by dynamic reaction cell ICP-MS

by PerkinElmer, Inc.  (Oct. 28, 2009)

Ultrapure Water (UPW) is used for the cleaning of instruments and containers in trace analysis and for dilution of samples. The analysis of impurities in UPW requires increasingly lower levels of detection and higher instrument productivity. SEMI Standard F63-03091 specifies a maximum contamination for metals of 0.02-0.1 ppb for each element for ...

UltraPure water: systems for microelectronics

by Membrana  (Jun. 1, 2006)

The burgeoning electronics industry Electronics are the heartbeat of the products and services of many industries – including aerospace, communications, entertainment, defence, and health – and, as a consequence, the global electronics market is valued at US$1 trillion worldwide. ...

Ultrapure water – The standard for resistivity measurements of Ultrapure water case study

by SnowPure Water Technologies  (Mar. 2, 1998)

Abstract For years, resistivity/conductivity2 instrumentation has been used as a reliable indicator of ionic water quality, especially for ultrapure water (UPW). Traditionally, the instrumentation is procured, installed, powered up, and perhaps connected to a PLC, strip chart recorder, or a LAN. After that, the instrument and sensor receive no ...

A Case for Point-of-Use RO Ultrapure Water Systems

by GE Water & Process Technologies  (Jan. 1, 2000)

ULTRAPURE WATER CRITERIA - AN OVERVIEW 'Pure water' is a relative term. Practically speaking, no water, naturally occurring or treated by man, consists solely of H2O molecules. Forever in pursuit of achieving equilibrium with its surroundings, water has unique characteristics that result in its ability to dissolve most matter. This property of ...

Water, Wastewater, and Filtration: World Markets Report

by The McIlvaine Company  (Jun. 8, 2010)

Forecasts of the $183 billion market for water and wastewater treatment and filtration products and services including outsourcing. Also included are world forecasts for chemicals, cartridges, macro filtration, membranes, sedimentation, centrifugation, and ultrapure water ...

Water matrix effect on UV photodegradation of perfluorooctanoic acid

by IWA Publishing  (Jan. 1, 2011)

The widespread detection of perfluorinated compounds (PFCs) in the water environment has been a concern for the last several years, while effluents from wastewater treatment facilities are the major sources of these compounds. Even advanced oxidation technologies (AOTs) are not useful for mineralization of the compounds due to their very high ...

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