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<br />t-- <br /> <br />composition. Section Th~ee examines the known cha~acte~istics <br />of salt tole~ant eme~gent plant species to identify candidates <br />fo~ use in p~ocess ope~ations. Section Fou~ defines site <br />selection c~ite~ia on the basis of the ~equi~ements of candidate <br />species. Section Five p~esents and discusses ~ecommendations <br />fo~ addtional wo~k. <br /> <br />c.:) <br /> <br />r-- <br /> <br />;~ ~ <br /> <br />a <br />c, <br /> <br />SECTION ONE: <br /> <br />THE STEP PROCESS AND ENVIRONMENT <br /> <br />A. Concept Su..a~y - THIS CONCEPT IS PROPRIETARY TO IBR <br /> <br />The STEP p~ocess is a pollution cont~ol technology. It is <br />designed to collect, make beneficial use of, and dispose of <br />Glenwood Sp~ings saline outflows th~ough the managed p~oduction <br />of salt tole~ant eme~gent plants having low wate~ use <br />efficiency. Evapot~anspi~~tion of wate~ p~oduces a <br />concent~ated b~ine suitable fo~ disposal. Concu~~ently, plant <br />biomass is p~oduced that is suitable as a livestock feed, as <br />well as a feedstock fo~ chemicals and mate~ials manufactu~e. <br /> <br />As illust~ated in Figu~e 1, the heat. salts, ca~bon dioxide, and <br />wate~ f~om Glenwood Sp~ings flows a~e collected and t~anspo~ted <br />th~ough an insulated pipeline to a site suitable fo~ p~oduction <br />of salt tole~ant ~eeds o~ ma~sh g~asses. These plants function <br />th~ough the p~ocess of evapot~anspi~ation to concent~ate salts <br />mo~e ~apidly and inexpensively than open pond o~ mechanical <br />systems. The p~oduction of plant biomass makes beneficial use <br />of the wate~ supply, yielding ma~ketable c~ops and feedstocks. <br />Concent~ated b~ines a~e collected, t~anspo~ted, and deposited at <br />app~op~iate sites fo~ long te~m use o~ sto~age. <br /> <br />III <br />I" <br /> <br />~ <br />- <br /> <br />Access to Glenwood Sp~ings wate~ ~esou~ces is p~ovided so that <br />othe~ beneficial uses can be made along the cou~se of the <br />t~ansmission pipeline. Tap-offs. located at selected points <br />along the pipeline, a~e installed to se~ve independent business <br />ope~ations with geothe~mal heat, ca~bon dioxide, and/o~ salt <br />wate~ ~esou~ces. ~se ~ights are envisioned as allocated to ~ <br />these ~esou~ces, on the condition that all saline water ~etu~n 'x~ <br />flows are injected into a return pipeline; as such, these ~ <br />ope~ations a~e considered as beneficial use loops to the main V;" <br />saline water use and disposal process line. Opportunities arill ~ <br />thus made available to the wide assortment of industries and <br />technologies that can put these resources to productive use but .~ <br />that cannot othe~wise utilize the entire ~esource load. ~ <br /> <br />This provides the state with additional employment opportunities <br />and a dive~sified employment base. P~ospects for growth and <br />expansion of the STEP pollution control technology are provided <br />as added incentitive to investo~s. The Colorado Basin benefits <br />from the reduced salinity of the ~iver, and from the fact that <br />this technology is transfe~able fo~ the treatment of other <br />problem saline sources. <br /> <br />END OF PROPRIETARY AND CONFIDENTIAL INFORMATION <br /> <br />2. <br />