Search Results - "Grischek, Thomas"

Journal Article

Wolfgang Beyer: A Groundwater Scientist from Dresden

by Grischek, Thomas Beyer, Klaus‐Dieter Published in Ground water (01.11.2019)

Journal Article

Riverbed Clogging and Sustainability of Riverbank Filtration

by Grischek, Thomas Bartak, Rico Published in Water (Basel) (20.12.2016)

“...Clogging refers to a reduction of riverbed hydraulic conductivity. Due to difficulties in determining the thickness of the clogging layer, the leakage...”

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Microturbines at Drinking Water Tanks Fed by Gravity Pipelines: A Method and Excel Tool for Maximizing Annual Energy Generation Based on Historical Tank Outflow Data

by Voltz, Thomas John Grischek, Thomas Published in Water (Basel) (09.07.2019)

“...Wherever the flow of water in a gravity pipeline is regulated by a pressure control valve, hydraulic energy in the form of water pressure can instead be...”

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Prediction of Iron Release during Riverbank Filtration

by Grischek, Thomas Paufler, Sebastian Published in Water (Basel) (30.04.2017)

“...At many sites, anoxic conditions and dissolution of iron and manganese are already present, or are likely to develop during riverbank filtration (RBF). A...”

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Groundwater Abstraction through Siphon Wells—Hydraulic Design and Energy Savings

by Bartak, Rico Grischek, Thomas Published in Water (Basel) (27.04.2018)

“...Siphon pipes were used for groundwater abstraction from wells before the development of submersible pumps. Many of the existing and operational systems were...”

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Journal Article

The AquaNES Project: Coupling Riverbank Filtration and Ultrafiltration in Drinking Water Treatment

by Haas, Robert Opitz, Ruediger Grischek, Thomas Otter, Philipp Published in Water (Basel) (21.12.2018)

“...Natural water treatment techniques combined with engineered solutions were investigated at demonstration sites in Europe within the AquaNES project...”

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Journal Article

Water Quality Changes during the Initial Operating Phase of Riverbank Filtration Sites in Upper Egypt

by Wahaab, Rifaat Abdel Salah, Ahmed Grischek, Thomas Published in Water (Basel) (15.06.2019)

“...To meet the increasing water demand and to provide safe drinking water in Egypt, the Holding Company for Water and Wastewater (HCWW) and its affiliated...”

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Journal Article

Case Studies in Energy Management: Experience From Germany

by Voltz, Thomas J Grischek, Thomas Musche, Fabian Published in Journal - American Water Works Association (01.12.2017)

“...The estimated potential for long‐term energy‐efficiency improvement of water/wastewater utilities (WWUs) ranges from 10 to 30%. Energy efficiency measures...”

Journal Article

Water Quality Monitoring in Northern India for an Evaluation of the Efficiency of Bank Filtration Sites

by Glorian, Heinrich Börnick, Hilmar Sandhu, Cornelius Grischek, Thomas Published in Water (Basel) (08.12.2018)

“...The study presents results of five sampling campaigns at riverbank filtration sites at the Yamuna and Ganges Rivers in Uttarakhand, Uttar Pradesh and New Delhi...”

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Journal Article

Energy management in the water sector – Comparative case study of Germany and the United States

by Voltz, Thomas Grischek, Thomas Published in Water-Energy Nexus (01.06.2018)

“...•There is enormous untapped energy savings potential in the US water sector.•The US trails in energy management, despite leading the creation of the ISO...”

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Journal Article

Water Crisis: Bank Filtration and Aquifer Storage Recharge Systems as Possible Alternatives

by D’Alessio, Matteo Grischek, Thomas Ray, Chittaranjan Published in Journal of hazardous, toxic and radioactive waste (01.10.2018)

“...AbstractRiverbank filtration (RBF) is a simple yet effective treatment technology that uses the natural soil and aquifer media to remove various pollutants...”

Journal Article

Potential for Riverbank filtration in India

by Sandhu, Cornelius Sandhu, Cornelius Grischek, Thomas Grischek, Thomas Kumar, Pradeep Kumar, Pradeep Ray, Chittaranjan Ray, Chittaranjan Published in Clean technologies and environmental policy (01.04.2011)

“...Riverbank filtration (RBF) has been used for many decades in Europe and the United States to provide drinking water to communities located on riverbanks. In...”

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Journal Article

Evaluation of riverbank filtration in the removal of pesticides: an approximation using column experiments and contaminant transport modeling

by Jaramillo, Marcela Jaramillo, Marcela Grischek, Thomas Grischek, Thomas Boernick, Hilmar Boernick, Hilmar Velez, Jaime I Velez, Jaime I Published in Clean technologies and environmental policy (15.01.2019)

“...The potential of riverbank filtration in the removal of five pesticides commonly used in Colombia (atrazine, ametryn, carbofuran, diuron and propanil) was...”

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Journal Article

Removal of Natural Organic Matter and Organic Micropollutants during Riverbank Filtration in Krajkowo, Poland

by Dragon, Krzysztof Górski, Józef Kruć, Roksana Drożdżyński, Dariusz Grischek, Thomas Published in Water (Basel) (16.10.2018)

“...The aim of this article is to evaluate the removal of natural organic matter and micropollutants at a riverbank filtration site in Krajkowo, Poland, and its...”

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Journal Article

Controlling the formation of the reaction zone around an injection well during subsurface iron removal

by Bartak, Rico Macheleidt, Wolfgang Grischek, Thomas Published in Water (Basel) (31.01.2017)

“...Tracer and pump tests including depth dependent water sampling were performed to investigate the flow conditions inside and in the vicinity of an injection...”

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The Impact of River Discharge and Water Temperature on Manganese Release from the Riverbed during Riverbank Filtration: A Case Study from Dresden, Germany

by Paufler, Sebastian Grischek, Thomas Benso, Marcos Seidel, Nadine Fischer, Thomas Published in Water (Basel) (19.10.2018)

“...The climate-related variables, river discharge, and water temperature, are the main factors controlling the quality of the bank filtrate by affecting...”

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Journal Article

A Water Quality Appraisal of Some Existing and Potential Riverbank Filtration Sites in India

by Sandhu, Cornelius Grischek, Thomas Börnick, Hilmar Feller, Jörg Sharma, Saroj Published in Water (Basel) (28.01.2019)

“...There is a nationwide need among policy and decision makers and drinking water supply engineers in India to obtain an initial assessment of water quality...”

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Journal Article

Arsenic Removal from Groundwater by Solar Driven Inline-Electrolytic Induced Co-Precipitation and Filtration-A Long Term Field Test Conducted in West Bengal

by Otter, Philipp Malakar, Pradyut Jana, Bana Bihari Grischek, Thomas Benz, Florian Goldmaier, Alexander Feistel, Ulrike Jana, Joydev Lahiri, Susmita Alvarez, Juan Antonio Published in International journal of environmental research and public health (02.10.2017)

“...Arsenic contamination in drinking water resources is of major concern in the Ganga delta plains of West Bengal in India and Bangladesh. Here, several...”

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Journal Article

Water Quality Changes during Riverbank Filtration in Budapest, Hungary

by Nagy-Kovács, Zsuzsanna Davidesz, János Czihat-Mártonné, Katalin Till, Gábor Fleit, Ernő Grischek, Thomas Published in Water (Basel) (11.02.2019)

“...The paper gives an overview on the changes in water quality during riverbank filtration (RBF) in Budapest. As water from the Danube River is of high quality,...”

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Journal Article

River bank filtration in Haridwar, India: Removal of turbidity, organics and bacteria

by Dash, Rakesh R Bhanu Prakash, E. V. P Kumar, Pradeep Mehrotra, Indu Sandhu, Cornelius Grischek, Thomas Published in Hydrogeology journal (01.06.2010)

“...Improvement in the quality of river water filtered through a 17-m thick sand-gravel unconfined aquifer at a production well surrounded by surface-water bodies,...”

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