• AMTA/SWMOA Workshop – Hornblower Cruise

    Workshop attendees take a relaxing Hornblower cruise along the bay during the AMTA/SWMOA Workshop in Newport Beach, California.

    AMTA/SWMOA Workshop – Hornblower Cruise
  • Resources

      Affiliate Associations Internet Resources Employment Opportunities

    Resources
  • Event Calendar

    See the AMTA Event Calendar for all AMTA and affiliate association workshops, conferences & meetings.

    Event Calendar
  • Ben Mohlenhoff’s Contributions to AMTA

    Mr. Ben Mohlenhoff has decided to step out of the AMTA limelight and let others shine as he announces an end to his quarterly O&M Tip Corner in the SOLUTIONS newsletter.

    Ben Mohlenhoff’s Contributions to AMTA
  • AMTA Awards

    Each year, AMTA recognizes outstanding performance by individuals and companies furthering AMTA’s mission to advance the understanding and use of membrane technology

    AMTA Awards
  • About AMTA

    Our Vision Solving water supply & quality issues through the widespread application of membrane technology.

    About AMTA
  • President’s Message

    I am honored to have recently been re-elected to serve the Association for another year as the President of the AMTA Board of Directors.

    President’s Message

Upcoming Events

Oct
14
Tue
2014
8:00 am SCMA Cleaning Workshop – October... @ City of Midlothian
SCMA Cleaning Workshop – October... @ City of Midlothian
Oct 14 @ 8:00 am – 4:00 pm
SCMA Cleaning Workshop Please click the link above for more information on this event.
Oct
16
Thu
2014
all-day SWMOA Workshop – Oct. 16, 2014 –... @ West Basin Municipal Water District
SWMOA Workshop – Oct. 16, 2014 –... @ West Basin Municipal Water District
Oct 16 all-day
“Merica is Addicted to Membranes” Workshop Please click the link above for more information on this event.

View Calendar

Mark Your Calendar

Mar
2
Mon
2015
all-day AMTA/AWWA 2015 Membrane Technolo... @ Rosen Shingle Creek Hotel and Resort
AMTA/AWWA 2015 Membrane Technolo... @ Rosen Shingle Creek Hotel and Resort
Mar 2 – Mar 5 all-day
AMTA/AWWA 2015 Membrane Technology Conference & Exposition - March 2-5, 2015 - Orlando, FL @ Rosen Shingle Creek Hotel and Resort | Orlando | Florida | United States
AMTA/AWWA 2015 Membrane Technology Conference & Exposition Presented by the American Membrane Technology Association and the American Water Works Association AMTA and AWWA are teaming together for a fourth year to present the latest developments in membrane water treatment ...

Water Online Guest Columns

wo1-amta_ro

Understanding The Critical Relationship Between Reverse Osmosis Recovery Rates And Concentration Factors

Guest Column | April 28, 2014 | Reproduced with Permission of Water Online By Harold G. Fravel, Jr., Executive Director, American Membrane Technology Association (AMTA)   Every aspect of a reverse osmosis (RO) membrane operation requires some degree of process math. Changes in operating conditions that may be considered minor can actually have significant and …

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