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Bright Kwakye-Awuah, Baah Sefa-Ntiri, Elizabeth Von-Kiti, Isaac Nkrumah and Craig Williams
Ground water samples from residential homes in three Regions of Ghana: Central, Greater Accra and Ashanti, were analyzed for iron and manganese contamination. The samples were exposed to characterized zeolite Y by X-ray diffraction, scanning electron mic...
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Weidong Cao, He Wang and Jian Tang
Guide vane submersible centrifugal pumps are a kind of submersible pump, and the fluid inside the pump is often mixed with gravel and other impurities during operation, affecting the pump?s operating efficiency and life expectancy. However, past studies ...
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Amel Khalfaoui, Abderrezzaq Benalia, Zineb Selama, Amira Hammoud, Kerroum Derbal, Antonio Panico and Antonio Pizzi
The present work aims to assess the effectiveness and efficiency of orange peels as a low-cost biosorbent for removing Cr(VI) from an aqueous solution by the biosorbent process. The orange peels as adsorbent was characterized using different methods, suc...
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Aminur Rahman
This study explores the potential of modified shrimp-based chitosan (MSC) as an innovative adsorbent for eliminating heavy metals (HMs) from contaminated water sources. The modifications encompassed various chemical treatments, surface functionalization,...
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Abeer S. Aloufi, Bahja Al Riyami, Mustafa A. Fawzy, Hatim M. Al-Yasi, Mostafa Koutb and Sedky H. A. Hassan
The release of heavy metals into the environment as a result of industrial and agricultural activities represents one of the century?s most significant issues. Cobalt is a hazardous metal that is employed in a variety of industries. In this study, respon...
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Chengmei Shang, Zhixi Geng, Yuanyuan Sun, Dongxue Che, Qingjiao Zhao, Ting Chen, Ming Tang and Lijuan Huo
With the development of industrial activities and the agricultural and mining industries, farmland soils are facing serious problems related to heavy metal contamination, especially cadmium (Cd) and arsenic (As) contamination. In this study, two industri...
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Letícia Reggiane de Carvalho Costa, Ivone Vanessa Jurado-Davila, Júlia Toffoli De Oliveira, Keila Guerra Pacheco Nunes, Diego Cardoso Estumano, Robson Alves de Oliveira, Elvis Carissimi and Liliana Amaral Féris
Water pollution, particularly from elevated fluoride ion (F-) concentrations, is a significant challenge in many developing countries, particularly those relying on groundwater. The stable form of fluoride, F-, poses health risks, leading to concerns abo...
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Wei Li, Junfang Ma, Tao Zhu, Haiqiao Wei and Jiaying Pan
To evaluate the significance of the geometrical parameters of a passive pre-chamber on engine performance, this study investigated the design of a plug-and-play passive pre-chamber in a 15 L heavy-duty natural gas engine. Multi-dimensional numerical inve...
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Hristina Lazarova, Rusi Rusew, Kostadin Iliev, Liliya Tsvetanova, Borislav Barbov and Boris Shivachev
The present work focuses on the removal of dyes from polluted water, and, more precisely, the targets are crystal violet (CV) and methylene blue (MB). For this purpose, a series of Zr-modified catalysts based on microporous Engelhard Titanium Silicate 10...
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Ying Shen, Shengfa Yang and Jie Liu
Rough-bed open-channel flows (OCFs) are ubiquitous in rivers and canals. However, the scaling and energy contents of very-large-scale motions (VLSMs) in such flows remain unclear. In this study, the above characteristics of VLSMs are experimentally inves...
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