Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 69 for “"primary treatment"”.
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Use of chemically enhanced primary treatment in Puerto Rico
Thesis (M.Eng.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 2001.
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Bench-scale study of chemically enhanced primary treatment in Brazil
Thesis (M.Eng.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 2000.
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Chemically enhanced primary treatment of wastewater in Honduran Imhoff tanks
… represent approximately 40% of the wastewater treatment infrastructure in Honduras. This thesis evaluates the usage of solid aluminum sulfate as a means to achieving national effluent regulations in Imhoff tanks in the municipality of Las Vegas, Santa Barbara. The report contains a brief …
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Biosolids management of chemically enhanced primary treatment plants in Brazil & Southern California
Thesis (M.Eng.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 2000.
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Full scale study of chemically enhanced primary treatment in Riviera de Sao Lourenco, Brazil
Effective, low-cost wastewater treatment that permits removal of pollutants and the deactivation of pathogens is essential to protect public health. An emerging technology that has been proposed to accomplish this goal, is Chemically Enhanced Primary Treatment, or CEPT. CEPT vastly improves the …
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Alternative primary treatment for energy-positive wastewater treatment: an exploration of pile cloth media filtration
Wastewater treatment is essential for safeguarding public health, preserving environmental integrity, and ensuring the sustainable management of water resources. However, many wastewater treatment facilities (WWTFs) in the United States are approaching the end of their operating lifespan and …
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The impact of implementation of chemically enhanced primary treatment on the Furnas Reservoir in Brazil
Thesis (M.Eng.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 2002.
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Design of a chemically enhanced primary treatment plant for the city of Alfenas, Minas, Gerais, Brazil
Thesis (M.Eng.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 2002.
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Evaluation of granular media to wastewater treatment; advanced primary treatment utilising modified pumice, titanomagnetite and ceramic nozzles.
The treatment of wastewater to higher standards is becoming increasingly important as legislation and public perception demand reduced impact of human activity on the environment. Filtration of primary treated effluent (PTE) and secondary treated effluent (STE) offers a possible sustainable …
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Honduras wastewater treatment : chemically enhanced primary treatment and sustainable secondary treatment technologies for use with Imhoff tanks
… the Imhoff tanks as well as designs for both pre-treatment and secondary treatment options appropriate for use in Honduras were developed. The recommended system allows achievement of regulatory effluent levels while maintaining low annual operating costs for the system.
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Management of left-sided malignant colonic obstruction : an audit of a stent based protocol
… used endoscopic decompression with SEMS as the primary treatment of all patients with left-sided obstructing colorectal cancer, in the absence of perforation. The purpose of the study was to assess the safety and efficacy of this management protocol.
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Should abdomino-perineal resection be considered when a defunctioning stoma is required for anal canal squamous cell carcinoma?
Combined modality treatment (CMT) is the preferred treatment for anal squamous cell carcinoma, but a small subgroup needs a defunctioning colostomy with temporary intent. The aim of this study was to evaluate the stoma closure rate of patients needing defunctioning colostomies prior to CMT for anal …
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Base metal heap and tank leaching of a platreef flotation concentrate using ammoniacal solutions
… This process is proposed as an alternative primary treatment method for the recovery of base metal sulphides from a PGM containing concentrate that cannot be extracted economically by conventional milling, smelting and refining methods.
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Treatment pathways and economic analysis of treatment for severe psoriasis
… usually requires photochemotherapy or systemic treatment. Information about the effectiveness, safety and costs of the different treatments is required to enable dermatologists to formulate evidence-based treatment guidelines. Systematic reviews of the four main treatment modalities for …
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Seawater as coagulant substitute and the effects on disinfection in chemically enhanced primary wastewater treatment : a case study of Paraty, Brazil and the Deer Island wastewater treatment plant, Boston
… on the design of an appropriate wastewater treatment facility for the City. The new and interesting use of seawater as a wastewater treatment tool and its effect on the disinfection potential of the treated effluent is also reviewed and tested in a series of jar tests and laboratory …
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Social Markers of Maturation and the Transition to Young Adulthood: The Life Courses of Adolescent Substance Users After Treatment
… include the need for broader definitions of treatment ""success"" and more consumer input into this definition, the use of continuing care post-primary treatment through assertive secondary care and through interventions that target community, such as recovery schools. Finally, because these …
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Comparative study of sludge dewatering and thickening characteristics for biological phosphorus removal process and conventional activated sludge process sludges
… removal process, operating at Lambert's Point Primary Treatment Plant in Norfolk, Virginia, was tested against sludge from a conventional activated sludge process. A bench scale waste activated sludge unit was employed for the purpose. Tests were conducted to compare batch thickening, vacuum …
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The Application of Dialectical Behavior Therapy to Chronic Pain Management
… Duggan, Thome, & Burch, 2010). DBT, one of the primary treatment modalities for Borderline Personality Disorder, is now being utilized to treat mental health disorders including, more recently, the psychological component of chronic pain (Fruzzetti & Shenk, 2008; Linton, 2010). The purpose of …
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InVivo Therapeutics® Corporation
To date, the primary treatment for spinal cord injuries has been the use of spinal fixation devices to create a stable environment for the spinal cord to heal. The second treatment option is to remove soft tissue near and around the spinal cord intended to reduce pressure on the spinal cord and …
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Complex Evaluation of the Effectiveness of Biological Therapy in Patients with Active Ulcerative Colitis // Комплексна оценка на ефективността от биологична терапия при болни с активен язвен колит
… extent, severity of disease, lack of response to treatment and safety. The main goals of therapy for UC are to induce and maintain clinical and endoscopic remission of the disease, reduce the risk of complications and improve quality of life. The therapeutic goals in IBD have changed with the …
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