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Full-Text Articles in Engineering
Responses Of Problematic Algae To Algaecide Exposures, West Bishop
Responses Of Problematic Algae To Algaecide Exposures, West Bishop
All Theses
Excessive growths of algae can cause significant disruption of critical water resource usages including: drinking, irrigation, recreation as well as be aesthetically displeasing. Water resource managers are often compelled to take action to mitigate these nuisance algal infestations. Algaecides can be efficient and effective management options to rapidly suppress algal blooms and restore water usages. However, laboratory and field data are required to accurately predict responses to an application as well as potential risks to non-target organisms. Laboratory experiments were used to measure the responses of problematic algae to algaecide exposures and evaluate the margin of safety to sensitive, non-target …
Energy And Nutrient Recovery From Anaerobic Treatment Of Organic Wastes, Christian-Dominik Henrich
Energy And Nutrient Recovery From Anaerobic Treatment Of Organic Wastes, Christian-Dominik Henrich
All Dissertations
The objective of the research was to develop a complete systems design and predictive model framework of a series of linked processes capable of providing treatment of landfill leachate while simultaneously recovering nutrients and bioenergy from the waste inputs. This proposed process includes an 'Ammonia Recovery Process' (ARP) consisting of: 1) ammonia de-sorption requiring leachate pH adjustment with lime or sodium hydroxide addition followed by, 2) ammonia re-absorption into a 6-molar sulfuric acid spray-tower followed by, 3) biological activated sludge treatment of soluble organic residuals (BOD) followed by, 4) high-rate algal post-treatment and finally, 5) an optional anaerobic digestion process …