Review
Engineering, Environmental
J. I. Bautista Quispe, L. C. Campos, O. Masek, A. Bogush
Summary: This paper reviews the latest developments in biochar-based column filtration systems for greywater treatment and identifies areas for further research. The technology has been widely used globally and has shown promising results in pollutant removal and non-potable water reuse. However, more research is needed on social perception, new feedstocks, assessment, and improvement.
JOURNAL OF WATER PROCESS ENGINEERING
(2022)
Article
Environmental Sciences
Eduardo Leiva, Carolina Rodriguez, Rafael Sanchez, Jennyfer Serrano
Summary: This study found that in rural areas, using decentralized greywater treatment systems for reuse is not economically viable, as the investment and operating costs are not offset by water savings. Economic indicators for treating light greywater were less negative compared to treating a mixture of light greywater and dark greywater in the two evaluated scenarios (public schools).
Article
Green & Sustainable Science & Technology
Ghulam Qadir, Vanessa Pino, Arianna Brambilla, Fernando Alonso-Marroquin
Summary: Fresh water scarcity is a growing issue in urban and rural areas, leading to an increase in non-potable water reuse. This study examines the potential of an off-grid water purification system using a staircase wetland with terracotta pot plants as a filter for greywater. The results show that the filtered water meets all requirements for water reuse.
Article
Ecology
Carolina Rodriguez, Fernanda Carrasco, Rafael Sanchez, Natalia Rebolledo, Nicolas Schneider, Jennyfer Serrano, Eduardo Leiva
Summary: Greywater reuse technology is an ecological alternative to combat water scarcity. Pilot greywater treatment systems installed in rural public schools in the Coquimbo Region of Chile have shown high efficiency in achieving required water quality standards and significant water savings.
ECOLOGICAL ENGINEERING
(2022)
Article
Construction & Building Technology
Gloria Amaris, Richard Dawson, Jorge Gironas, Stephane Hess, Juan de Dios Ortuzar
Summary: The residential reuse of greywater as a strategy to address water security issues has gained attention, with cities like Santiago de Chile promoting laws to mandate the incorporation of necessary infrastructure in new buildings. The success of water savings is influenced by individual consumers' choice to use the parallel system, and predicting their behavior is challenging due to the lack of widespread implementation. This paper proposes a method to predict policy effectiveness and greywater reclaim benefits based on individual preferences.
SUSTAINABLE CITIES AND SOCIETY
(2021)
Article
Environmental Sciences
Carolina Rodriguez, Rafael Sanchez, Natalia Rebolledo, Nicolas Schneider, Jennyfer Serrano, Eduardo Leiva
Summary: Water scarcity is a major concern globally, particularly affecting rural areas. Greywater treatment systems show promising potential in saving drinking water and reducing environmental impacts.
SCIENCE OF THE TOTAL ENVIRONMENT
(2021)
Article
Engineering, Environmental
Ahmad Momeni, Sreeganesh Yerri, Kalyan R. Piratla, Kapil Chalil Madathil
Summary: This study evaluated the reliability improvement of on-site greywater reuse systems on water supply. The results showed that the supply reliability significantly improved when on-site greywater reuse systems supplemented existing water supply systems. The improvement in supply reliability increased with the increase in maximum usable reclaimed water, treatment efficiency, and pipeline roughness coefficient. However, the improvement decreased with the increase in system age and pipeline failure growth rate.
RESOURCES CONSERVATION AND RECYCLING
(2022)
Article
Environmental Sciences
Bernhard Pucher, Irene Zluwa, Philipp Spoerl, Ulrike Pitha, Guenter Langergraber
Summary: This study evaluates the multifunctionality of a pot-based vertical greening system (VGS) irrigated with untreated greywater and capable of acting as a greywater treatment system. The results show that the system can effectively reduce local air temperature and has certain greywater treatment capabilities. However, more stable and reliable systems need to be developed.
SCIENCE OF THE TOTAL ENVIRONMENT
(2022)
Review
Environmental Sciences
Geetha Maniam, Nur Ain Zakaria, Choe Peng Leo, Vasilena Vassilev, Karen Banahene Blay, Kourosh Behzadian, Phaik Eong Poh
Summary: This article reviews various products for rainwater harvesting and greywater treatment and reuse on laboratory, pre-commercialization scale, and commercialized products. A conceptual framework is proposed to facilitate decision making for suitable decentralized water reclamation solutions. Decentralized systems are crucial in reducing dependence on centralized water supply.
WILEY INTERDISCIPLINARY REVIEWS-WATER
(2022)
Review
Environmental Sciences
Carolina Rodriguez, Barbara Garcia, Caterin Pinto, Rafael Sanchez, Jennyfer Serrano, Eduardo Leiva
Summary: Water scarcity is a pressing issue in Latin America and the Caribbean region, particularly affecting rural areas and agriculture. Despite the potential benefits of water reuse, there is a lack of specific regulations regarding greywater reuse in the region.
Article
Environmental Sciences
V Thomaidi, I Petousi, D. Kotsia, N. Kalogerakis, M. S. Fountoulakis
Summary: This study found that green roofs planted with Atriplex halimus and filled with 20 cm of vermiculite exhibited the best removal efficiencies in greywater treatment, while decreasing substrate depth resulted in lower removal efficiencies. The vegetation on green roofs had a significant impact on nitrogen removal, and recycling a portion of effluent back into the influent improved removal efficiencies significantly.
SCIENCE OF THE TOTAL ENVIRONMENT
(2022)
Article
Green & Sustainable Science & Technology
Camila C. A. Cardoso, Ildiko Bodnar
Summary: Greywater reuse is a potential solution for water shortages. Synthetic laundry greywater can be treated and used for irrigation, but the issue of high sodium adsorption ratio needs to be addressed.
Article
Multidisciplinary Sciences
Milad Mousazadeh, Nastaran Khademi, Isik Kabdasli, Seyedahmadreza Rezaei, Zeinab Hajalifard, Zohreh Moosakhani, Khalid Hashim
Summary: The synergistic combination of EC-EO process effectively removes pollutants in domestic greywater, with operational variables such as current density and pH having significant impacts on removal efficiency. Optimal operation conditions result in high removal rates of COD, colour, turbidity, and TOC. Furthermore, optimizing operational conditions can lead to cost and energy savings.
SCIENTIFIC REPORTS
(2023)
Article
Engineering, Environmental
Shikha Jyoti Borah, Rishi Ram, Vinod Kumar, Kashyap Kumar Dubey
Summary: Globally, there is a mismanagement of grey wastewater in developing countries, posing a threat to the circular economy. This literature study aims to provide insights into the environmental impact and mitigation of surfactants in greywater, focusing on advancements in surfactant elimination techniques such as adsorption, ultrafiltration, biodegradation, and biomembrane separation. However, complete elimination of surfactants remains a significant challenge. The study emphasizes the urgent implementation of alternative strategies for greywater reuse and explores the potential of greywater as a nutrient source for crop cultivation, particularly through aeroponics.
Rating: 8/1
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2023)
Article
Engineering, Civil
Mariana Marchioni, Anita Raimondi, Maria Gloria Di Chiano, Umberto Sanfilippo, Stefano Mambretti, Gianfranco Becciu
Summary: Encouraging the implementation of non-conventional water resources is crucial for addressing future challenges in urban population growth and resource scarcity. A systematic process of Cost Benefit Analysis provides reliable economic indicators to support decision makers in adopting non-conventional water resources. A framework for CBA analysis at municipal level is provided, and case studies in Milan highlight the importance of considering a comprehensive benefits analysis to support incentive policies and benefit the entire community.
WATER RESOURCES MANAGEMENT
(2023)
Article
Environmental Sciences
Thiago Abrantes Silva, Jackeline Siqueira de Castro, Vinicius Jose Ribeiro, Jose Ivo Ribeiro Junior, Gabriella Peterlini Tavares, Maria Lucia Calijuri
Summary: Microalgae biomass plays an important role in effluent bioremediation. It can serve as a soil biostimulant, providing nutrients and organic carbon. This study evaluated the application of microalgae biomass from meat processing industry effluent treatment on soil. Results showed that applying 2% microalgae biomass increased soil respiration, microbial biomass carbon, and enzyme activity, but did not promote higher plant growth. On the other hand, applying 0.55% biomass resulted in higher plant shoot dry matter mass.
ENVIRONMENTAL TECHNOLOGY
(2023)
Article
Water Resources
Cintia Maria Ribeiro Vilarinho, Vanessa Fernanda Schmitt, Barbara Carolina Reis, Wagner Jose Silva Melillo, Eduardo de Aguiar do Couto
Summary: This study evaluates the conditions of water supply, collection, and sewage treatment in the municipalities with the highest number of COVID-19 cases in Brazil, and considers the role of regulation and the challenges in achieving SDG 6. The findings show a link between the worst water and sanitation indicators and the COVID-19 pandemic, indicating the vulnerability of health conditions in these areas. Transforming the sustainability indicators of water and sewage supply in Brazil is necessary for developing countries.
ENGENHARIA SANITARIA E AMBIENTAL
(2022)
Article
Green & Sustainable Science & Technology
B. B. Marangon, J. S. Castro, P. P. Assemany, E. A. Couto, M. L. Calijuri
Summary: The study found that the production of bio-oil from algal biomass via hydrothermal liquefaction could have potential environmental impacts, especially in terms of climate change and marine eutrophication. By optimizing reaction conditions and recycling the aqueous phase, environmental impacts can be reduced and energy balance can be improved.
RENEWABLE & SUSTAINABLE ENERGY REVIEWS
(2022)
Article
Biotechnology & Applied Microbiology
Adriana Paulo de Sousa Oliveira, Paula Assemany, Lidiane Covell, Gabriella Peterlini Tavares, Maria Lucia Calijuri
Summary: Despite being socially and economically important, swine farming produces wastewater with high concentrations of trace metals, posing a pollution risk. Microalgae can be used to effectively treat this wastewater and produce valuable biomass. This study investigated the effects of different zinc concentrations on the performance of high-rate algal ponds using microalgae. The results showed that high zinc concentrations inhibited nitrification but enhanced the removal of soluble phosphorus. Zinc also increased the chemical oxygen demand and had a significant contribution to biomass growth and zinc removal. The biochemical composition of the biomass was minimally affected by zinc.
ALGAL RESEARCH-BIOMASS BIOFUELS AND BIOPRODUCTS
(2023)
Article
Environmental Sciences
B. B. Marangon, I. B. Magalhaes, A. S. A. P. Pereira, T. A. Silva, R. C. N. Gama, J. Ferreira, J. S. Castro, L. R. Assis, J. F. Lorentz, M. L. Calijuri
Summary: Microalgae biomass is a versatile feedstock that can be converted into various types of biofuels. This study discusses the theoretical and practical conversion technologies, environmental impact, and cost-effectiveness of emerging algal-based biofuels. Challenges and research opportunities for optimization and scaling-up are highlighted. Continuous operation results are needed to further develop biomethane technology, and the environmental benefits of wastewater-grown microalgae biomass are emphasized.
Article
Environmental Sciences
Adriana Paulo de Sousa Oliveira, Paula Assemany, Lidiane Covell, Maria Lucia Calijuri
Summary: Microalgae cultivation in swine wastewater allows nutrient removal and biomass production. Cu contamination in the wastewater affects the growth and composition of biomass as well as nutrient removal. The concentration of Cu had a complex effect on different parameters, with 1.0 mg Cu/L stimulating microalgae growth and above 3.0 mg Cu/L causing inhibition accompanied by H2O2 accumulation. Cu also affected the lipid and carotenoid contents in the biomass, and increased Cu concentration reduced N-NH4+ removal rate but enhanced soluble P removal rate.
ENVIRONMENTAL POLLUTION
(2023)
Article
Environmental Sciences
Luis Flavio Pereira, Raphael Rivadavia Mendes Oliveira, Ditmar Bernardo Kurtz, Jackeline de Siqueira Castro, Vitor Juste dos Santos, Sabrina do Carmo Alves, Maria Lucia Calijuri
Summary: This study aims to evaluate the forest expansion over malezales for the year 2050 and its conflicts with areas of environmental interest, in order to improve land use planning and promote sustainable development.
ENVIRONMENTAL SCIENCE & POLICY
(2023)
Article
Biotechnology & Applied Microbiology
Leticia Rodrigues de Assis, Jessica Ferreira, Paula Peixoto Assemany, Jamily Santos Teixeira, Jackeline de Siqueira Castro, Heverton Augusto Pereira, Maria Lucia Calijuri
Summary: Biofilm reactors (BRs) are being studied as a means to optimize microalgae biomass production and overcome harvesting bottlenecks. Hybrid systems (HS), which combine BRs with conventional systems, have been developed. A study was conducted to evaluate the environmental viability of different configurations of this technology.
ALGAL RESEARCH-BIOMASS BIOFUELS AND BIOPRODUCTS
(2023)
Article
Biotechnology & Applied Microbiology
Alexia Saleme Aona de Paula Pereira, Iara Barbosa Magalhaes, Jessica Ferreira, Jackeline de Siqueira Castro, Maria Lucia Calijuri
Summary: The environmental performance of an organomineral fertilizer composed of urea and microalgae biomass (MB) grown in wastewater was evaluated. The results indicated that MB-based fertilizer improved the environmental performance by up to 38.65% compared to chemical fertilizer.
ALGAL RESEARCH-BIOMASS BIOFUELS AND BIOPRODUCTS
(2023)
Article
Environmental Sciences
Fabiana de avila Modesto, Roberto Cezar de Almeida Monte-Mor, Eduardo Couto
Summary: This study evaluated the relationship between variables in landfill leachate composition and the transformation processes it undergoes during operation. The results showed that biochemical oxygen demand, chemical oxygen demand, and ammonium nitrogen were the main variables that increased the pollution potential of the leachate. These findings are important for determining treatment technologies for this effluent in different scenarios.
ENVIRONMENTAL MONITORING AND ASSESSMENT
(2023)
Article
Engineering, Environmental
Matheus Quintao Braga, Leticia Rodrigues de Assis, Vinicius Jose Ribeiro, Miriam Costa Fateixa Reis, Maria Lucia Calijuri, Paula Peixoto Assemany
Summary: The study evaluated the treatment of domestic sewage using paint booth effluent as a carbon source through microalgae biotechnology. Different mixtures of paint booth effluent and domestic sewage were assessed in high-rate algal ponds, with the blend containing 18.75% paint booth effluent and 81.25% domestic sewage showing the highest biomass productivity. The addition of paint booth effluent improved the bioremediation performance and increased nutrient and organic matter removal efficiencies.
JOURNAL OF WATER PROCESS ENGINEERING
(2023)
Article
Engineering, Environmental
Yui Kawasaki, Sayaka Nagao-Sato, Misa Shimpo, Kahori Fujisaki, Emi Yoshii, Rie Akamatsu, Petra Warschburger
Summary: This study qualitatively describes sustainable dietary behaviors (SDBs) that Japanese and German adults can implement in their lives, and quantitatively compares the similarities and differences in understanding SDBs between the two samples. The study found that Japanese participants were more focused on food waste prevention, while German participants were more focused on solving environmental problems.
RESOURCES CONSERVATION AND RECYCLING
(2024)
Article
Engineering, Environmental
Kechun Chen, Yuan Ding, Liming Yang, Zhihao Wang, Haoxuan Yu, Difan Fang, Yufa Feng, Liying Hu, Chenxi Xu, Penghui Shao, Xubiao Luo, Liang Chen
Summary: This study proposes a targeted repair scheme for the recovery of graphite anodes from spent LIBs by systematically characterizing and analyzing the structure and composition of spent graphite (SG). The results show that the repair scheme achieves effective SG repair and the repaired graphite anode displays excellent lithium storage performance.
RESOURCES CONSERVATION AND RECYCLING
(2024)
Article
Engineering, Environmental
Takao Ueda, Shigeki Koyanaka, Tatsuya Oki
Summary: Fires caused by accidental crushing of batteries are a serious issue in the e-waste recycling process. A new in-line sorting system that uses X-ray scanning and deep learning has been developed to accurately detect batteries. Through a validation study, the system achieved higher accuracy compared to other existing programs.
RESOURCES CONSERVATION AND RECYCLING
(2024)
Article
Engineering, Environmental
Hannes Geist, Frank Balle
Summary: Research on circular economy often lacks empirical data, especially in the theory of circular process design and design for remanufacturing. This study systematically collected and analyzed engineering data on seven remanufacturing processes in the European automotive remanufacturing industry for the first time, providing empirical support for circular engineering challenges, potentials, and solutions.
RESOURCES CONSERVATION AND RECYCLING
(2024)
Article
Engineering, Environmental
Xiaojing Li, Fan Lue, Nanlin Liao, Hua Zhang, Na Yang, Pinjing He
Summary: This study assesses and predicts the greenhouse gas emissions on the timeline as waste treatment technologies develop in Shanghai from 1991 to 2025 using the Life Cycle Assessment (LCA) methodology. The findings demonstrate that GHG emission has reached net-zero in 2019 owing to the application of alternative technologies and waste segregation.
RESOURCES CONSERVATION AND RECYCLING
(2024)
Article
Engineering, Environmental
Bingchun Liu, Haoyang Wang, Xiaoqin Liang, Yibo Wang, Zijie Feng
Summary: The expansion of the photovoltaic market has resulted in a significant increase in PV waste. Therefore, conducting scientific research to determine the importance of the circular economy for sustainable growth in the PV industry is essential. The study demonstrates that accurate prediction of PV installed capacity and quantifying the importance of recycling in balancing the supply and demand of raw materials can be achieved through a multi-factor installed capacity prediction model and recovery potential prediction.
RESOURCES CONSERVATION AND RECYCLING
(2024)
Review
Engineering, Environmental
Chuanzhen Zhang, Baojing Gu, Xia Liang, Shu Kee Lam, Yi Zhou, Deli Chen
Summary: Reactive nitrogen is crucial for agriculture and human nutrition, but mismanagement can have detrimental effects on human health and ecosystem services, hindering the achievement of the 2030 Sustainable Development Goals. Progress towards nitrogen-related targets varies across countries, highlighting the need for integrated management to achieve overall synergies.
RESOURCES CONSERVATION AND RECYCLING
(2024)
Article
Engineering, Environmental
Alessandro Gatto, Marijke Kuiper, Corina van Middelaar, Hans van Meijl
Summary: This study examines the economic and environmental effects of transitioning towards more circular food systems in the European Union (EU27) by feeding animals with low-opportunity-cost feed and better utilizing local feed resources. The results show that providing subsidies for circularity and promoting the use of low-cost feed can increase animal production, but also have negative impacts on land use and emissions. On the other hand, promoting domestic feed sourcing through import tariffs can decrease animal production and greenhouse gas emissions in agriculture. However, complementary policies are needed to mitigate drawbacks and enhance benefits of a more circular agri-food system.
RESOURCES CONSERVATION AND RECYCLING
(2024)
Article
Engineering, Environmental
Jinbo Zhang, Liu Chen, Yulei Xie, Pingjian Yang, Zheng Li, Huaicheng Guo, Yang Zhang, Lirong Liu
Summary: This study examines the impact of carbon taxes on low-carbon development and climate change mitigation. By constructing a cross-system bi-layer model, the study finds that reasonable carbon taxes can promote the stability of the energy network, reduce carbon emissions and air pollutants, and optimize production efficiency and the structure of the energy system. This study contributes to a better understanding of the effects and implementation pathways of carbon taxes.
RESOURCES CONSERVATION AND RECYCLING
(2024)
Article
Engineering, Environmental
Konstantin Born, Mehmet Metehan Ciftci
Summary: Increasing recycling of metals is important for reducing reliance on mining, but it cannot fully meet future metal demand. Primary production of metals is expected to continue rising, highlighting the need for alternative circular economy strategies such as demand reduction and mitigating harmful impacts of primary metal production.
RESOURCES CONSERVATION AND RECYCLING
(2024)
Article
Engineering, Environmental
Yinqiu Ma, Lin Huang, Jiahui Li, Wei Cao, Yumei Cai
Summary: Afforestation and reforestation, such as China's Grain for Green Program, have shown to effectively mitigate greenhouse gas emissions and contribute to carbon sink capacity. This study highlights the significant carbon potential of the program and its potential application in other countries to reduce CO2 in the atmosphere.
RESOURCES CONSERVATION AND RECYCLING
(2024)
Article
Engineering, Environmental
Arlind Dervishaj, Kjartan Gudmundsson
Summary: This paper reviews digital tools for supporting the Circular Economy (CE) in the built environment and provides suggestions. The study identifies limitations in the functionalities of current tools, including a lack of representative data for LCA and underdeveloped circularity indicators. Further development is needed in terms of interoperability aspects, integration of more sources of data for LCA and circularity, and possibilities for a comprehensive evaluation of design choices.
RESOURCES CONSERVATION AND RECYCLING
(2024)
Article
Engineering, Environmental
Mohamadreza Y. Azarfam, Anuj Maheshwari, Frank D. Blum, Siddhesh Chaudhari, Clinton Switzer, Ranji Vaidyanathan, Jay C. Hanan, Sudheer Bandla
Summary: This study introduces a feasible method for manufacturing recycled composites using post-consumer carpets and recycled resin. The resulting composites have impressive strength and modulus, surpassing commercial thermoplastics and making them suitable for structural applications. This research presents a promising approach to address carpet landfilling and reduce reliance on additives.
RESOURCES CONSERVATION AND RECYCLING
(2024)
Article
Engineering, Environmental
Pujiang Shi, Tianle Huang, Hong Kit Lim, Chiew Kei Tan, Jong-Min Lee, Chor Yong Tay
Summary: This study developed a highly porous bioadaptive 3D sponge-like construct from plastic materials in discarded keyboards for advanced in vitro applications. The findings demonstrate the potential of using discarded keyboards as a waste-to-resource feedstock to achieve waste reduction and maximize value-capture.
RESOURCES CONSERVATION AND RECYCLING
(2024)
Article
Engineering, Environmental
Kuo-Jui Wu, Hailing Qiu, Caiyan Huang, Anthony S. F. Chiu, Ming-Lang Tseng
Summary: Government resource allocation practices for achieving carbon neutrality should be guided by dynamic system theory to identify potential dynamics. Carbon intensity control dynamics have a significant influence on other dynamics.
RESOURCES CONSERVATION AND RECYCLING
(2024)
