Publications
2018
Bordos, Gabór; Kriszt, Balazs; Palotai, Zoltan; Szoboszlay, Sandor
Development of a jet pump based sampling system for freshwaters Journal Article
In: MICRO 2018. Fate and Impact of Microplastics: Knowledge, Actions and Solutions., 2018, ISBN: 978-84-09-06477-9.
Abstract | Links | BibTeX | Tags: Freshwater, Jet pump, Microplastic, Sampling
@article{Bordos2018,
title = {Development of a jet pump based sampling system for freshwaters},
author = {Gabór Bordos and Balazs Kriszt and Zoltan Palotai and Sandor Szoboszlay},
url = {https://micro2018.sciencesconf.org/resource/page/id/8},
isbn = {978-84-09-06477-9},
year = {2018},
date = {2018-00-00},
journal = {MICRO 2018. Fate and Impact of Microplastics: Knowledge, Actions and Solutions.},
abstract = {Freshwater studies have mainly been adopting sampling methods from marine research, thus the most commonly used tool is the plankton or manta net, usually with a mesh size of 300 µm or 333 µm. There are certain conditions when application of these sampling systems is com- plicated onsmaller freshwater bodies. Also, the filtered water volume is not obviously defined (due to clogging) even if a flow meter is used. To avoid these difficulties, another sampling approach is needed. Thetechnique using a pump and a set of filters is more common during wastewater sampling than inlakes or rivers. Until now, only a few studies have presented sampling systems that were based on asubmersible or a jet pump, including stainless steel filters. We developed a mobile sampling system that has many benefits when it is applied in inland freshwaters. The size of the complete apparatus enables sampling from a smaller boat or from the shore as well. A jet pump is operated by an aggregator. A PVC hose with a brass foot valve including a 2 mm mesh size strainer is put right under the water surface and is connected to thepump. Water is filtered through a set of 10” stainless steel filter cartridges (variable mesh size) instainless steel housing. Water quantity is measured by a flowmeter precisely. To prevent clogging of the fine mesh size filter (60 im), we coupled two cartridges and put in a 300 im pre-filter. This system enables sampling of more than 2.000 L water even if the Secchi depth is no more than 10 cm (e.g. due to flood or plankton). Project no. KFI 16-1-2017-0477 has been implemented with the support provided by the Na- tional Research, Development and Innovation Fund of Hungary, financed under the ”Vallalati KFI 16” funding scheme.},
keywords = {Freshwater, Jet pump, Microplastic, Sampling},
pubstate = {published},
tppubtype = {article}
}
Freshwater studies have mainly been adopting sampling methods from marine research, thus the most commonly used tool is the plankton or manta net, usually with a mesh size of 300 µm or 333 µm. There are certain conditions when application of these sampling systems is com- plicated onsmaller freshwater bodies. Also, the filtered water volume is not obviously defined (due to clogging) even if a flow meter is used. To avoid these difficulties, another sampling approach is needed. Thetechnique using a pump and a set of filters is more common during wastewater sampling than inlakes or rivers. Until now, only a few studies have presented sampling systems that were based on asubmersible or a jet pump, including stainless steel filters. We developed a mobile sampling system that has many benefits when it is applied in inland freshwaters. The size of the complete apparatus enables sampling from a smaller boat or from the shore as well. A jet pump is operated by an aggregator. A PVC hose with a brass foot valve including a 2 mm mesh size strainer is put right under the water surface and is connected to thepump. Water is filtered through a set of 10” stainless steel filter cartridges (variable mesh size) instainless steel housing. Water quantity is measured by a flowmeter precisely. To prevent clogging of the fine mesh size filter (60 im), we coupled two cartridges and put in a 300 im pre-filter. This system enables sampling of more than 2.000 L water even if the Secchi depth is no more than 10 cm (e.g. due to flood or plankton). Project no. KFI 16-1-2017-0477 has been implemented with the support provided by the Na- tional Research, Development and Innovation Fund of Hungary, financed under the ”Vallalati KFI 16” funding scheme.
