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Algal Remediation of Waste Water Produced during Hydraulic Fracturing 

Nurhan Dunford

Microalgae are ubiquitous photosynthetic microorganisms that are found both in marine and freshwater environments with a great potential to produce not only biomass as feedstock for renewable fuels, high-value natural products, food, and feed applications but also to provide a valid solution to the problem of environmental pollution. In particular, they are able to grow using different nutrients (mainly N and P), heavy metals and other contaminants from different wastewaters such as agricultural and animal, municipal, as well as industrial. In addition, they can thrive using the CO2 emitted for instance by coal fired power plants thereby reducing greenhouse gas level in the atmosphere.

Western Oklahoma Irrigation Water and Energy Audits: Findings, Recommendations and Educational Materials 

Scott Frazier, Saleh Taghvaeian, Jason Warren, Don Sternitzke, Cameron Murley

Western Oklahoma is a semi-arid region that is very susceptible to drought and utilizes considerable amounts of irrigation water. Most of this irrigation is pumped ground water. Some of the irrigation is also shallow well or surface water. With water resources being consumed at higher rates for agricultural irrigation, farmers need to be as efficient as possible with the extraction and application of this resource. With increasing competition between rural and urban water needs, it will be necessary to document how well agricultural systems are utilizing water resources in order to maintain access.

Evaluating the Reuse of Swine Lagoon Effluent and Recycled Municipal Water for Agricultural Production 

Hailin Zhang, Doug Hamilton, Saleh Taghvaeian, Scott Carter

Significant amount of water in Oklahoma is used for crop irrigation. Water shortage in Oklahoma and the Southern Great Plains has become a major limitation for crop production and other uses, which will have a major impact on local economy. Therefore, alternative sources of irrigation water need to be explored. Treated municipal wastewater (TWW) is one of the most readily available alternative water sources, although infrastructures to use TWW for crop irrigation are lacking in most places and public acceptance is probably low because of the lack of field evaluations in the state. Currently, most TWW in the state is directly discharged to streams and rivers rather than recycled for crop production.

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