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Full-Text Articles in Engineering

Internal Design Of A Hydroponics Greenhouse For Tri Cycle Farms, Sarah Gould May 2019

Internal Design Of A Hydroponics Greenhouse For Tri Cycle Farms, Sarah Gould

Biological and Agricultural Engineering Undergraduate Honors Theses

Hydroponics is the agricultural technique of growing plants without soil, using other growing media and added nutrients in a solvent. It is an attractive agricultural method over conventional agriculture because it is more water efficient, is less labor intensive, yields higher quality crops in less time, and is easier to control. According to the Digital Journal, “hydroponics crop value is anticipated to grow to USD 27.29 Billion by 2022 at an estimated CAGR of 6.39% from 2015 to 2020” (Sawant, 2016). Alongside this growing market acceptance for hydroponics, there is also a local demand that requires only a small transportation …


Elaboración Del Manual De Técnicas Sostenibles En Prácticas De Ecoturismo En Zonas De Postconflicto: Caso De Estudio Cubarral, Meta, Paula Carolina Perez Camargo Jan 2019

Elaboración Del Manual De Técnicas Sostenibles En Prácticas De Ecoturismo En Zonas De Postconflicto: Caso De Estudio Cubarral, Meta, Paula Carolina Perez Camargo

Ingeniería Ambiental y Sanitaria

La ruta de los ríos Casanare y Guayabero es un área marginada por el conflicto armado, atrasada en aspectos sociales y económicos, con poca infraestructura de acceso; además de un desconocimiento colectivo de su riqueza natural en términos de biodiversidad y paisaje. Para el óptimo aprovechamiento de todos los recursos que esta región posee es necesaria la elaboración de una estrategia de ecoturismo que vincule los aspectos ambientales y económicos y permita su máximo aprovechamiento, generando ingresos para los habitantes de la zona y una alternativa turística para sus visitantes. Es por lo anterior que se eligió el caso de …


A Preliminary Sustainability Analysis Of Producing Class A Biosolids With Conventional And Low-Cost, Low-Tech Processes, Janna Brown Jan 2019

A Preliminary Sustainability Analysis Of Producing Class A Biosolids With Conventional And Low-Cost, Low-Tech Processes, Janna Brown

Dissertations, Master's Theses and Master's Reports

Producing Class A biosolids is a beneficial way to reuse wastewater sludge. Low-cost, low-tech (LCLT) processes are attractive to small water resource recovery facilities (WRRF) because of their low capital costs and simple designs. This study examined the sustainability of conventional and LCLT processes at small WRRFs. The environmental impacts were determined by conducting life cycle assessments. Cost analyses determined the economic impacts. The social impacts were analyzed by investigating case studies and surveys of social response to biosolids. The environmental, economic, and social impacts were normalized, and each technology received an overall score. The technologies studied were direct heat …