Results 51 to 60 of about 938,658 (103)

Valorization of aquaculture waste in removal of cadmium from aqueous solution: optimization by kinetics and ANN analysis

Applied Water Science, 2018
Cadmium is one of the most hazardous heavy metal concerning human health and aquatic pollution. The removal of cadmium through biosorption is a feasible option for restoration of the ecosystem health of the contaminated freshwater ecosystems.
Gautam Aditya, Asif Hossain
doaj   +1 more source

Synchronous 500-year oscillations of monsoon climate and human activity in Northeast Asia

Nature Communications, 2019
Prehistoric human activities were likely influenced by cyclic monsoon climate changes in East Asia. Here we report a decadal-resolution Holocene pollen record from an annually-laminated Maar Lake in Northeast China, a proxy of monsoon climate, together ...
Deke Xu, Houyuan Lu, G. Chu, Li Liu, Caiming Shen, Fengjiang Li, Can Wang, N. Wu   +7 more
semanticscholar   +1 more source

Chemometric analysis for pollution source identification and human health risk assessment of water resources in Ojoto Province, southeast Nigeria

Applied Water Science, 2020
This paper quantified the level of heavy metals contamination, identified possible sources of pollution, and assessed the human health risks associated with drinking water resources in Ojoto Province, Nigeria. The study’s gross findings revealed that the
Johnbosco C. Egbueri, Chukwuma N. Mgbenu
doaj   +1 more source

Removal of sulphate from mine waters by electrocoagulation/rice straw activated carbon adsorption coupling in a batch system: optimization of process via response surface methodology

Journal of Water Reuse and Desalination, 2019
The removal of sulphate ions constitutes one of the main challenges in mining, metallurgical and other industries. This work evaluated sulphate removal from aqueous solutions by an electrocoagulation (EC)/raw straw activated carbon (RSAC) adsorption ...
Mijia Zhu, Xianqing Yin, Wu Chen, Zhengji Yi, Heyong Tian   +4 more
doaj   +1 more source

Removal of trivalent metal ions from aqueous solution via cross-flow ultrafiltration system using zeolite membranes

Journal of Water Reuse and Desalination, 2017
This study aimed to assess the performance of three zeolite membranes in the removal of trivalent metal ions from aqueous solution using a cross-flow mode of operation. Three types of zeolite membrane, MCM-41, MCM-48 and FAU, were prepared on a low-cost,
Ashim Kumar Basumatary, R. Vinoth Kumar, Kannan Pakshirajan, G. Pugazhenthi   +3 more
doaj   +1 more source

Chemical characteristics and health hazards of heavy metals in shallow groundwater: case study Anloga community, Volta Region, Ghana

Applied Water Science, 2019
Five water samples each were collected from six shallow wells which serve as source of drinking water at different locations within the Anloga community of the Volta Region in Ghana.
Osei Akoto, Justice Agbeshie Teku, Diane Gasinu   +2 more
doaj   +1 more source

Detection of untreated sewage discharges to watercourses using machine learning

npj Clean Water, 2021
Monitoring and regulating discharges of wastewater pollution in water bodies in England is the duty of the Environment Agency. Identification and reporting of pollution events from wastewater treatment plants is the duty of operators.
Peter Hammond, Michael Suttie, Vaughan T. Lewis, Ashley P. Smith, Andrew C. Singer   +4 more
doaj   +1 more source

Expanded living‐donor liver transplantation criteria for patients with hepatocellular carcinoma based on the Japanese nationwide survey: the 5‐5‐500 rule ‐ a retrospective study

Transplant International, 2019
Expansion of the liver transplantation indication criteria for patients with hepatocellular carcinoma (HCC) has long been debated. Here we propose new, expanded living‐donor liver transplantation (LDLT) criteria for HCC patients based on a retrospective ...
T. Shimamura, N. Akamatsu, M. Fujiyoshi, A. Kawaguchi, S. Morita, S. Kawasaki, S. Uemoto, N. Kokudo, K. Hasegawa, H. Ohdan, H. Egawa, H. Furukawa, S. Todo   +12 more
semanticscholar   +1 more source

Comparison of Ocular Biometry and Refractive Outcomes Using IOL Master 500, IOL Master 700, and Lenstar LS900

Korean Journal of Ophthalmology, 2020
Purpose To evaluate the agreement in ocular biometry outcomes measured by three different devices, the IOL Master 500, IOL Master 700, and Lenstar LS900, and compare the refractive outcomes after cataract surgery obtained using those three devices ...
Jae Shin Song, Do Yeh Yoon, J. Hyon, Hyun Sun Jeon   +3 more
semanticscholar   +1 more source

Biosorption of heavy metal ions on peel of Artocarpus nobilis fruit: 1—Ni(II) sorption under static and dynamic conditions

Applied Water Science, 2019
The peel of the edible fruit, Artocarpus nobilis, a plant endemic to Sri Lanka, shows remarkable adsorption capabilities toward Ni(II), a heavy metal ion. Removal efficiency of 50% obtained with air-dried particles (0.710 mm 
Namal Priyantha, P. A. Kotabewatta
doaj   +1 more source