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Description

Investigator: California State University, Long Beach (Fangyuan Tian)

Start Date: October 2017

Award Amount: $125,000

Landfill gas (LFG) is generated during decomposition processes in municipal solid waste landfills. Converting LFG to energy (high-BTU gas, >96% CH4) has significant environmental and economic benefits. There is a critical need to reduce the cost and improve the efficiency of converting LFG to high-BTU gas. The goal of this study is to design a novel hybrid porous material with zeolitic imidazolates (i.e. metal organic sorbents) to purify CH4 from all impurity gases in a single processing step based on different molecular sizes. To achieve this goal, the primary objectives include:

  • To characterize the chemical composition and structure of zeolites.
  • Measure and calculate gas separation selectivity of CH4 with CO2, N2, O2, H2O, and H2S in equilibrium and kinetic conditions.
  • Perform layered adsorption for actual landfill gas purification.
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