TechNavio's analysts forecast the Global Membrane Separation market to grow at a CAGR of 8.78 percent CAGR over the period 2011-2015. One of the key factors contributing to this market growth is increasing demand from the Municipal sector. The Global Membrane Separation market has also been witnessing increasing demand for customized membrane systems. However, the increasing threat from low-cost vendors could pose a challenge to the growth of this market.