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Yaneth Vasquez, Jair Franco, Mario Vasquez, Felipe Agudelo, Eleni Petala, Jan Filip, Jose Galvis and Oscar Herrera
The tannery wastewater from the tanning stage (TWT) comprises organic and Cr pollutants, which can adversely affect aquatic life and have carcinogenic effects. In this study, we investigated the performance of a Fenton-like process using commercial Nano-...
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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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Hicham Yazid, Taoufiq Bouzid, El mountassir El mouchtari, Lahoucine Bahsis, Mamoune El Himri, Salah Rafqah and Mohammadine El haddad
Walnut shells were used to produce highly microporous activated carbon. The prepared activated walnut shells were found to be an efficient adsorbent for removing Cr(VI). The study used the response surface methodology to investigate four independent vari...
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Luca M. Ofiera, Purnendu Bose and Christian Kazner
Constructed wetlands are a versatile technology for various treatment approaches, especially in emerging countries. The research aims to study and optimize the hybridizing process of a vertical subsurface flow constructed wetland with adsorption technolo...
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Mengting Li, Kuanle Bao, Hongsong Wang, Youxu Dai, Shuyu Wu, Kun Yan, Shuliang Liu, Qingzheng Yuan and Jiaxing Lu
As urbanization accelerates, a growing influx of pollutants enters the sea through land runoff, posing a threat to coastal ecosystems. In this study, we systematically determined the concentrations of nutrients and heavy metals in the water and sediments...
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Janja Svetina, Joerg Prestor, Brigita Jamnik, Primo? Auersperger and Mihael Brencic
Urban areas can significantly alter the quality status of aquifers if appropriate strategies to prevent and detect groundwater contamination are not implemented in time. The prevention of groundwater contamination should be a priority due to its potentia...
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Adharsh Rajasekar, Raphinos Tackmore Murava, Eyram Norgbey and Xukun Zhu
This comprehensive study aimed to evaluate the water quality and sediment contamination in the Chuhe River in Nanjing. The spatial assessment of 10 samples collected in September highlighted that, in surface water, Copper (Cu) > Nickel (Ni) > Zinc (Zn) >...
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Yingyuting Li, Yili Zhang, Junyu Chen, Guangfei Yang, Haihui Li, Jinjin Wang and Wenyan Li
Yangchun City, a typical polymetallic ore distribution area in Guangdong Province (China), was selected as the research region to study the content, distribution, source, and possible impacts of heavy metals (HMs) (Arsenic: As; Cadmium: Cd; Chromium: Cr;...
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Chavarat Jarungvittayakon, Anak Khantachawana and Paphon Sa-ngasoongsong
Cobalt?chromium (CoCr) alloy is widely used for medical implants such as for dental or joint replacements because of its strength and high corrosion resistance. By throwing a spherical media against a material surface, fine-particle shot peening can modi...
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