arsenic removal News

  • Arsenic Removal Technology

    Onion Equipment provides an innovative, cost-effective and reliable approach for the safe removal of arsenic from contaminated sites, municipal water supplies and private wells. OEarsenX is a polymer based bead with hydrous iron oxide nano-particles impregnated throughout the bead. This advanced hybrid material combines the best arsenic-binding chemistry, arsenic selective chemistry of iron ...


    By Onion Enterprises

  • Report on Arsenic Removal from Groundwater

    Kenson Associates has recently released a report on methods for arsenic removal from groundwater. This report reviews US EPA, World Band and WHO studies of this subject and critiques the practical methods used for this purpose based upon both their advantages and disadvantages. A brief case history of an arsenic removal project conducted by Dr. Robert Kenson, Principal of Kenson Associates, is ...


  • AdEdge Installs 100th System for Arsenic Removal

    Hampton Falls, NH -- AdEdge Technologies, Inc. installed its 100th small water system for arsenic and iron removal for the Lincoln Akerman School located in Hampton Falls, N.H. Adedge was selected in 2006 by the Hampton Falls School District to design, fabricate and install a full-scale AD26 arsenic, iron and manganese treatment system for the Lincoln Akerman School in Hampton Falls. The ...

  • Arsenic removal by NF in Mekong delta of Vietnam

    Currently, Woongjin Chemical's R&D department is participating in a study with Gwangju Institute of Science & Technology in the removal of arsenic in the Mekong delta region of Vietnam. The project, which begain in April 2008 and will last until March 2010, is funded entirely by Woongjin Chemical worth around $60,000 US dollars. Nanofiltration was chosen because the rejection rate for ...


    By Toray Chemical Korea

  • EP Minerals provides Arsenic removal treatment for the county of Sacramento

    NXT -2 arsenic removal media from EP Minerals, LLC has been selected for use by Sacramento County, for use at its well in Walnut Grove, CA. The well delivers a maximum flow rate of 300 gallons per minute (gpm) and has an average arsenic level of approximately 15 parts per billion (ppb). NXT-2 was selected after a thorough pilot test, which clearly demonstrated its high arsenic holding capacity in ...


    By Filtronics, Inc.

  • AdEdge Technologies Installs 100th Public Water System for Arsenic Removal

    Hampton Falls, N.H. (Nov. 9, 2006) - AdEdge Technologies, Inc. installed its 100th small water system for arsenic and iron removal for the Lincoln Akerman School located in Hampton Falls, N.H. Adedge was selected in 2006 by the Hampton Falls School District to design and fabricate full-scale AD26 arsenic and iron treatment system for the Lincoln Akerman School in Hampton Falls. The Lincoln ...

  • Technique for arsenic-free water developed

    A novel approach to arsenic removal could lead to a quick and inexpensive purification of drinking water in developing countries. Previous research demonstrated that arsenic can be removed from water using activated carbon or iron minerals, such as magnetite nanocrystals. However, such particles are too small to be effective in flowing water and they quickly degrade when exposed to the ...


    By SciDev.Net

  • Cow dung a detox for arsenic sludge

    Bangladeshi scientists have found in cow dung an efficient agent to treat the toxic sludge that is generated by the removal of naturally-occurring arsenic in groundwater. "Microorganisms present in cow dung volatilise arsenic in the sludge," says Mohammad Azizur Rahman, research scientist at the geosciences centre of ...


    By SciDev.Net

  • Arsenic-free water for rural India

    High levels of arsenic in the groundwater in areas of northeast India and Bangladesh are a recognised public health problem. However, the Isolux Technologies Division of MEL Chemicals, Inc. teamed up with an Indian engineering firm in 2009 to supply 39 arsenic treatment systems customised to the requirements of rural Indian villages. Water supply in rural northeast areas of India and neighbouring ...

  • EPA proposes removal of more than 2,500 acres at Rocky Mountain Arsenal from superfund list (CO)

    The U.S. Environmental Protection Agency (EPA) has announced a proposal to delete portions of the Rocky Mountain Arsenal (RMA) from the National Priorities List (NPL). The NPL is a list of the nation’s most contaminated sites, known as Superfund sites. EPA and the Colorado Department of Public Health and Environment have determined that all required cleanup activities are complete in the ...

  • Johnson Matthey Licenses DOE Patent to Remove Mercury and Arsenic from New IGCC Coal Power Plants

    MALVERN, PA– Johnson Matthey announced today that it has been granted an exclusive license by the U.S. Department of Energy’s National Energy Technology Laboratory (NETL) for its high temperature sorbent technology and patent to remove mercury, arsenic and potentially selenium and cadmium from syngas produced by coal gasification.  This license was a natural extension of a two-year ...

  • Indian arsenic clean-up `working well`

    A new chemical-free method to remove arsenic from water is working well in pilot plants in India, scientists report. The method, developed by a team of European and Indian scientists, was tested in six plants set up to supply safe arsenic-free water to Kasimpore village in India's West Bengal state, one of the most arsenic-contaminated sites in the world. An estimated 140 million people in Asia ...


    By SciDev.Net

  • Plastic bottles could clean arsenic-contaminated water

    Chopped up plastic bottles covered in a common chemical may be a simple and inexpensive method for removing arsenic from drinking water. A team of chemists at Monmouth University, United States, found that bits of plastic coated with cysteine, a common molecule found in foods, bind to arsenic. ...


    By SciDev.Net

  • Natural sediment may shield groundwater from arsenic

    Contamination of deep groundwater with arsenic from shallower sources may not be as serious as feared — if pumping deep water is limited to domestic use, a study has found. Exposure to arsenic-contaminated groundwater has been linked to almost one in every five deaths in Bangladesh, ...


    By SciDev.Net

  • Arsenic: when will the clean water start flowing?

    Razia Begum has been asking the same question for two years now: 'Please will someone fix my arsenic filter?' She lives in Nagda, a village in one of the areas of Bangladesh most severely contaminated by arsenic in drinking water — although at first glance there is nothing about the village's lush paddy fields to suggest anything dangerous. Razia's family, like many thousands of others in such ...


    By SciDev.Net

  • Occurrence of arsenic a reminder of the importance of testing well water

    The occurrence of arsenic in some well water in Pennsylvania is a reminder that private well owners should test their water regularly, the National Ground Water Association said today. “NGWA recommends that private well owners test their water annually for bacteria, nitrate, and anything of local concern, the latter of which could include arsenic for some Pennsylvanians,” said NGWA ...

  • Scientists identify genetic vulnerability to arsenic-related cancers

    People at greater risk of developing debilitating or fatal diseases related to arsenic exposure could be prioritised for treatment, following a study by Bangladeshi and US researchers. Exposure to arsenic through contaminated drinking water is a ...


    By SciDev.Net

  • Arsenic poisoning stalks India`s gold mines

    Scientists have found high levels of arsenic in the soil and groundwater near a gold mine in the south Indian state of Karnataka, highlighting health hazards associated with mining the precious metal. A team of scientists that conducted studies in the Kiradalli Tanda village of Yadgir district discovered arsenic ...


    By SciDev.Net

  • Dow Water Solutions Creates Model to Determine Lifetime of ADSORBSIA™ GTO™ Arsenic Removal Media Under Varying Water Quality Conditions

    Study to be presented at NGWA Conference MIDLAND, Mich. — Dow Water Solutions has successfully created a model that accurately determines the lifetime of adsorptive arsenic removal media based on the chemistry of the water being treated. Results of the semi-empirical study, titled “Predicting Arsenic Removal Lifetime for ADSORBSIA™ GTO™ Media,” will be presented at the 2007 National Ground Water ...

  • AdEdge Water Technologies Now Provides All Sizes of Arsenic Treatment Systems

    AdEdge Water Technologies announced today that it now supplies Bayoxide E33 media for arsenic water treatment systems in any size community. E33 is an adsorptive media implemented successfully in more than 400 AdEdge installations worldwide. The company will continue to sell E33 media replacements for existing arsenic treatment systems. Headquartered in Duluth, GA, AdEdge Water Technologies has ...

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