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M. Otero, L. Freire, S. Gómez-Cuervo and C. Ávila
Elevated ammonium (NH4+) concentrations in untreated waterways contribute to eutrophication and dissolved oxygen depletion. Geopolymer (GP) materials are introduced as sustainable, straightforward operation and low-cost option for pollutant adsorption th...
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Ming Lu and Qian Xie
Forecasting tourism volume can provide helpful information support for decision-making in managing tourist attractions. However, existing studies have focused on the long-term and large-scale prediction and scarcely considered high-frequency and micro-sc...
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Yang Bai, Yin Pang, Zheng Wu, Xi Li, Jiang Jing, Hongbin Wang and Zheng Zhou
A manganese dioxide-modified red mud (Mn-RM) was developed as an adsorbent for the effective removal of lead ions (Pb2+) from wastewater. Various methods were used to characterize the prepared Mn-RM, analyze its adsorption performance, and evaluate the a...
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Luoan Yang, Shumin Zhang, Mei Guan, Jianfei Cao and Baolei Zhang
The spatial distribution and accessibility of urban public service facilities affect socioeconomic factors in the lives of residents, especially housing prices. Given that most previous studies focus on the accessibility of a certain, single type of faci...
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Steven Benjamins, Elizabeth Masden and Maurizio Collu
Expansion of marine aquaculture into more remote areas will likely accelerate over the next decade. Integrating Marine Renewable Energy (MRE) generation technologies (e.g., wind turbines) into remote, off-grid aquaculture sites will reduce reliance on fo...
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José-Manuel Sánchez-Martín, Juan-Ignacio Rengifo-Gallego and Luz-María Martín-Delgado
Geological heritage has become a tourist resource with huge potential in certain areas, which has given rise to a tourism category known as geotourism which has entered the generic framework of rural tourism. The main elements around which geotourism rev...
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Cheong Sheng Lee, Siew Hoong Shuit
Pág. 4
It has been widely accepted worldwide that water security is by far the greatest threat in the new millennium. Dyes are the main pollutant for water and adsorption is the most common technology used to remove dyes. Magnetic multi-walled carbon nanotubes ...
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Yan Shu, Chunfang Tang, Xinjiang Hu, Luhua Jiang, Xi Hu and Yunlin Zhao
In this study, Box?Behnken design (BBD) was employed to optimize the process for H3PO4-activated Typha angustifolia activated carbon (TAC) production and Cr removal by TAC; the removal mechanisms were discussed based on TAC characterization, and the rege...
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Kadir Dogansahin, Bedri Kekezoglu, Recep Yumurtaci, Ozan Erdinç and João P. S. Catalão
Increasing demand for electricity, as well as rising environmental and economic concerns have resulted in renewable energy sources being a center of attraction. Integration of these renewable energy resources into power systems is usually achieved throug...
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Yihuan Deng and Andrew Wheatley
Due to urbanisation, there are large amounts of waste concrete, particularly in rapidly industrialising countries. Currently, demolished concrete is mainly recycled as aggregate for reconstruction. This study has shown that larger sizes (2?5 mm) of recyc...
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