<?xml version="1.0" encoding="UTF-8"?> <feed xmlns="http://www.w3.org/2005/Atom" xmlns:dc="http://purl.org/dc/elements/1.1/"> <title>Veritati - Repositório Institucional da Universidade Católica Portuguesa</title> <link rel="alternate" href="https://repositorio.ucp.pt:443" /> <subtitle>O repositório captura, armazena, indexa, preserva e distribui publicações científicas da universidade em formato digital.</subtitle> <id>https://repositorio.ucp.pt:443</id> <updated>2025-01-02T13:00:54Z</updated> <dc:date>2025-01-02T13:00:54Z</dc:date> <entry> <title>Local scale integrated approaches for enhancing water reuse: constructed wetland case study</title> <link rel="alternate" href="http://hdl.handle.net/10400.14/47677" /> <author> <name>Magalhães, João Pedro</name> </author> <author> <name>Calheiros, Cristina</name> </author> <author> <name>Dolbeth, Marina</name> </author> <author> <name>Arenas, Francisco</name> </author> <author> <name>Pereira, Sofia</name> </author> <author> <name>Tsiamis, George</name> </author> <author> <name>Ntougias, Spyrus</name> </author> <id>http://hdl.handle.net/10400.14/47677</id> <updated>2024-12-30T17:19:07Z</updated> <published>2024-01-01T00:00:00Z</published> <summary type="text">Título: Local scale integrated approaches for enhancing water reuse: constructed wetland case study Autor: Magalhães, João Pedro; Calheiros, Cristina; Dolbeth, Marina; Arenas, Francisco; Pereira, Sofia; Tsiamis, George; Ntougias, Spyrus Resumo: Constructed wetlands (CWs) are engineered systems, considered a nature-based solution (NBS), that are inspired and mimic many processes (physical, biological, and chemical) and functions that occur in natural wetlands. CIRQUA-Integrated Approaches at Local Scale for Enhancing Water Reuse Efficiency and Sustainable Soil Fertilization from Wastewater’s Recovered Nutrients is a project that aims to improve NBS, focusing on CWs for wastewater treatment and water recovery in rural areas. The aim is to upgrade CWs using technological achievements, such as innovative nanostructured filters and photocatalytic modules, sensors and automation in operation, precision irrigation principles, and the integration of advanced artificial intelligence (AI) tools. These innovative technological achievements are being implemented in a case study in Portugal through the upgrading of an existing polyculture horizontal subsurface flow CW, in a rural area for the wastewater treatment of a tourism house. The CW was designed to act as secondary biological treatment, being placed after a previously installed septic tank. Wastewater quality assessment and biodiversity characterization are being carried out in order to evaluate the upgrading of the system.</summary> <dc:date>2024-01-01T00:00:00Z</dc:date> </entry> <entry> <title>Floating wetland islands as a water treatment technology</title> <link rel="alternate" href="http://hdl.handle.net/10400.14/47676" /> <author> <name>Pereira, Sofia</name> </author> <author> <name>Calheiros, Cristina</name> </author> <id>http://hdl.handle.net/10400.14/47676</id> <updated>2024-12-30T16:59:18Z</updated> <published>2024-01-01T00:00:00Z</published> <summary type="text">Título: Floating wetland islands as a water treatment technology Autor: Pereira, Sofia; Calheiros, Cristina Resumo: Floating wetland islands (FWIs) are innovative nature-based solutions designed to enhance water quality in various aquatic environments, including lakes, ponds, and reservoirs, while restoring their ecological functions. In recent years, FWIs have gained popularity due to their effectiveness, low cost, and low maintenance needs. These systems provide a range of valuable ecosystem services, such as boosting biodiversity, enhancing aesthetic appeal, and improving water quality through phytoremediation. The plants on FWIs absorb excess nutrients like nitrogen and phosphorus, mitigating nutrient pollution, reducing eutrophication, and preventing water body degradation. Additionally, the microorganisms associated with plant roots and floating mats decompose organic matter, while the plants facilitate oxygen transfer into the water. Moreover, FWIs provide essential habitats for wildlife such as birds and insects, thereby enriching local biodiversity. This study aimed to showcase the implementation of an FWI composed of a polyculture of Iris germanica, Acorus gramineus, Caltha palustris, and Typha latifolia, established on a cork agglomerate platform in a freshwater pond. The FWI was installed in 2018, with ongoing monitoring to evaluate improvements in local biodiversity and to assess the long-term effectiveness of the buoyancy in supporting plant growth.</summary> <dc:date>2024-01-01T00:00:00Z</dc:date> </entry> <entry> <title>Kärcher's project Kira : a cleaning robot navigating innovation</title> <link rel="alternate" href="http://hdl.handle.net/10400.14/47675" /> <author> <name>Rosenland, Mark</name> </author> <id>http://hdl.handle.net/10400.14/47675</id> <updated>2024-12-30T16:44:19Z</updated> <published>2024-10-24T00:00:00Z</published> <summary type="text">Título: Kärcher's project Kira : a cleaning robot navigating innovation Autor: Rosenland, Mark Resumo: This dissertation examines Kärcher's strategic initiative to introduce "Kira," an autonomous cleaning robot, to address labor shortages and enhance operational efficiency with robotics technology. The Case Study highlights strategic and technical challenges during development. Despite a promising market outlook, the project encountered delays due to limitations in the robotic setup, partly sourced externally, and Kärcher's traditional project management, which was unsuitable for iterative development. The core issue is whether external reliance compromised Kärcher's technological capabilities and if internal development or different partnerships could have led to better outcomes. The analysis emphasizes balancing proprietary technology with external alliances and adopting agile methods for managing complex software projects. A Literature Review explores strategic topics, including dynamic capabilities, organizational restructuring, and the role of ecosystems and platforms in technology-driven industries. The Teaching Note provides an analytical framework for instructors, fostering critical thinking on market positioning, partnership selection, project management, and platform strategies for in-class discussions and decision-making.; Esta dissertação analisa a iniciativa estratégica da Kärcher de introduzir o "Kira", um robô de limpeza autónomo, para fazer face à escassez de mão de obra e aumentar a eficiência operacional com a tecnologia robótica. O caso destaca os desafios estratégicos e técnicos durante o desenvolvimento. Apesar de uma perspetiva de mercado promissora, o projeto sofreu atrasos devido a limitações na configuração robótica, em parte obtida externamente, e à gestão tradicional de projectos da Kärcher, que não era adequada ao desenvolvimento iterativo. A questão central é saber se a dependência externa comprometeu as capacidades tecnológicas da Kärcher e se o desenvolvimento interno ou outras parcerias poderiam ter conduzido a melhores resultados. A análise sublinha o equilíbrio entre a tecnologia própria e as alianças externas e a adoção de métodos ágeis para a gestão de projectos de software complexos. Uma revisão da literatura explora tópicos estratégicos, incluindo capacidades dinâmicas, reestruturação organizacional e o papel dos ecossistemas e plataformas em indústrias orientadas para a tecnologia. A nota pedagógica fornece um quadro analítico para os formadores, promovendo o pensamento crítico sobre o posicionamento no mercado, a seleção de parcerias, a gestão de projectos e as estratégias de plataformas para debates e tomadas de decisão na sala de aula.</summary> <dc:date>2024-10-24T00:00:00Z</dc:date> </entry> <entry> <title>Enhancing water reuse at a local scale: a constructed wetland case study</title> <link rel="alternate" href="http://hdl.handle.net/10400.14/47674" /> <author> <name>Magalhães, J.</name> </author> <author> <name>Dolbeth, M.</name> </author> <author> <name>Arenas, F.</name> </author> <author> <name>Pereira, S.</name> </author> <author> <name>Tsiamis, G.</name> </author> <author> <name>Ntougias, S.</name> </author> <author> <name>Calheiros, C.</name> </author> <id>http://hdl.handle.net/10400.14/47674</id> <updated>2024-12-30T16:30:25Z</updated> <published>2024-01-01T00:00:00Z</published> <summary type="text">Título: Enhancing water reuse at a local scale: a constructed wetland case study Autor: Magalhães, J.; Dolbeth, M.; Arenas, F.; Pereira, S.; Tsiamis, G.; Ntougias, S.; Calheiros, C. Resumo: Constructed Wetlands (CW), as biological treatment systems, mimic the phytoremediation processes found in natural wetlands in an optimized configuration for the improvement of the water quality. They are considered nature-based solutions (NBS) that may support decentralized wastewater treatment providing several ecosystem services, including enhancing water availability and reducing water-related risks. The present study focuses on the performance and operation assessment of an implemented CW in a rural area that is applied to a tourism unit. Under the Project CIRQUA-Integrated Approaches at Local Scale for Enhancing Water Reuse Efficiency and Sustainable Soil Fertilization from Wastewater’s Recovered Nutrients, it is envisaged the upgrade of this CW using technological achievements, such as nanostructured filters and photocatalytic modules, precision irrigation principles, sensors and automation in operation and the integration of advanced artificial intelligence (AI) tools. Wastewater quality assessment and biodiversity characterization are being carried out in order to evaluate the upgrading of the system.</summary> <dc:date>2024-01-01T00:00:00Z</dc:date> </entry> <entry> <title>Avaliação do potencial prebiótico das “farinhas” de batata-doce e bagaço de pêra</title> <link rel="alternate" href="http://hdl.handle.net/10400.14/47673" /> <author> <name>Soares, Inês</name> </author> <author> <name>Vedor, Rita</name> </author> <author> <name>Fonseca, Mariana</name> </author> <author> <name>Pinto, Jorge</name> </author> <author> <name>Machado, Daniela</name> </author> <author> <name>Gomes, Ana Maria</name> </author> <id>http://hdl.handle.net/10400.14/47673</id> <updated>2024-12-30T16:12:32Z</updated> <published>2024-11-01T00:00:00Z</published> <summary type="text">Título: Avaliação do potencial prebiótico das “farinhas” de batata-doce e bagaço de pêra Autor: Soares, Inês; Vedor, Rita; Fonseca, Mariana; Pinto, Jorge; Machado, Daniela; Gomes, Ana Maria Resumo: O desperdício alimentar, uma forma de biowaste comum a nível global, é um dos maiores desafios de sustentabilidade que a indústria alimentar enfrenta. A indústria de frutas e hortícolas destaca-se neste contexto, sendo responsável por 25 a 30% do total, incluindo resíduos como cascas, sementes e bagaço [1,2]. A valorização deste tipo de resíduos constitui uma estratégia que visa transformar estes em produtos de valor acrescentado. Concretamente, as farinhas de bagaço de pêra e de batata-doce mantêm altos níveis de nutrientes e compostos bioativos, criando oportunidades para o desenvolvimento de alimentos funcionais promotores de saúde e bem-estar [3,4]. Este estudo visou investigar o potencial prebiótico destas farinhas, avaliando a sua capacidade de estimular o crescimento e a atividade metabólica de duas estirpes probióticas, nomeadamente Lacticaseibacillus rhamnosus GG (LGG) e Bifidobacterium longum subsp. infantis DSM 20088 (B.infantis). A seleção destas estirpes deve-se às suas reconhecidas propriedades benéficas para a saúde intestinal e à capacidade de fermentar diferentes tipos de substratos. A metodologia utilizou o meio Man-Rogosa- Sharpe (MRS) como base, com modificações para criar diferentes condições de cultivo, nomeadamente: um controlo negativo (MRS sem glucose), um controlo positivo (MRS com 2% de glucose), um controlo prebiótico (MRS com 2% de frutooligossacarídeos) e meios com 2% e 6% de farinhas de batata-doce e de bagaço de pêra. A LGG foi cultivada em condições aeróbicas, enquanto a B. infantis manteve- se em anaerobiose, ambas a 37ºC. As amostras foram colhidas às 0, 3, 6, 10 e 24 horas de incubação para quantificação de unidades formadoras de colónias (UFC) e medição do pH, avaliando o crescimento e metabolismo bacteriano, respetivamente. Os resultados demonstraram que, no geral, a farinha de bagaço de pêra a 6% e a farinha de batata-doce, nas concentrações de 2 e 6%, promoveram o crescimento de B. infantis de forma equivalente ou ligeiramente superior à glucose (entre 3 a 6 x 10 9 UFC/mL). Por outro lado, as concentrações mais elevadas (6%) de farinha de batata- doce e de bagaço de pêra favoreceram o crescimento de L. rhamnosus GG de forma mais significativa do que a glucose (+ 0.5 ciclo log). A sua elevada capacidade de estimular o crescimento e o metabolismo de bactérias probióticas revela um potencial prebiótico para estas farinhas e destaca a sua aplicação como potenciais ingredientes funcionais para o desenvolvimento de produtos alimentares sustentáveis, com valor acrescentado e potencial benefício para a saúde humana.</summary> <dc:date>2024-11-01T00:00:00Z</dc:date> </entry> </feed>