Throughout 2015, the water industry saw the development of new technologies and trends in wastewater, reuse and more to help ensure access to clean water supplies in the face of drought, failing infrastructure, changing regulations and more. Water Technology’s coverage included these topics and others. The top 10 most viewed articles on the magazine’s website from 2015 are presented below.

  1. Mineralization of home RO water permeate, Part 2
    Tap water minerals must be maintained at certain levels for health and taste.
  1. Arsenic: The great chameleon
    Like the play “Arsenic and Old Lace,” arsenic has a complex and dangerous history.
  1. 5 key performance indicators in reverse osmosis operation
    The five most important parameters to be monitored daily are the silt density index (SDI), differential pressure, normalized permeate flow, percent rejection and pressure drop coefficient.
  1. Smarter hydraulic fracturing for better water management
    While hydraulic fracturing has cracked open an economic bonanza at the Bakken and dozens of other production sites worldwide, it has also created concerns over its environmental impact.
  1. How to remove odor from tap water ice
    Even with antimicrobial surfaces and UV lights, the inside of an ice bin can become the host of a bacterial colony.
  1. What is hydraulic fracturing?
    Generally, hydraulic fracturing refers to a process of stimulating tight rock formations, often drilled a mile or more below the earth’s surface, to enable the release and extraction of crude oil and natural gas.
  1. VFDs reduce power factor and demand penalties caused by across-the-line motors
    The technology can help reduce demand surcharges and power factor penalties stemming from electrical motor usage.
  1. Infographic: 5 common drinking water concerns
    Many contaminants cause unpleasant taste and/or odor in addition to being dangerous.
  1. Strategies for protecting water during an emergency
    During unforeseen disasters, threatened water supplies pose a multitude of risks.
  1. Professor POU/POE: Condensing water vapor from air for drinking and bulk water
    Essentially two types of air to water machines exist: those that operate by condensation of water vapor on a lower temperature surface and those that use a concentrated brine solution to absorb the vapor followed by evaporation of water from the brine.