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Ozola, R., Krauklis, A., Leitietis, M., Burlakovs, J., Vircava, I., Ansone-Bertina, L., . . . Klavins, M. (2019). FeOOH-modified clay sorbents for arsenic removal from aqueous solutions. Environmental Technology & Innovation, 13, 364-372
Open this publication in new window or tab >>FeOOH-modified clay sorbents for arsenic removal from aqueous solutions
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2019 (English)In: Environmental Technology & Innovation, ISSN 2352-1864, Vol. 13, p. 364-372Article in journal (Refereed) Published
Abstract [en]

The presence of arsenic (As) in natural and anthropogenic soils causes severe pollution of groundwater due to its harmful carcinogenic effects. The present work describes the research activities for searching of appropriate innovative sorbents based on clay material for As sorption using iron oxy-hydroxide modification. Natural and manufactured clay was chosen for comparison of modification efficiency in order to obtain best sorption results for As(V). The results of pilot testing were obtained and the sorption was studied as a function of initial arsenic concentration. Obtained results indicate that modification of clay with Fe compounds significantly improves the sorption capacity of a newly developed material used for sorption of As(V). Efficiency of sorption for Fe-modified clay is highly dependent on clay type as well as iron content in it. Further perspectives of investigations are recovered during this study in order to create more efficient and relatively cheap sorbents for As removal from aqueous solutions.

Place, publisher, year, edition, pages
Elsevier, 2019
Keywords
As(V), Environmental contamination, Modified clay, Sorbents, Water treatment
National Category
Environmental Sciences
Research subject
Natural Science, Environmental Science
Identifiers
urn:nbn:se:lnu:diva-63470 (URN)10.1016/j.eti.2016.06.003 (DOI)000457796000033 ()2-s2.0-85006741826 (Scopus ID)
Available from: 2017-05-09 Created: 2017-05-09 Last updated: 2019-02-22Bibliographically approved
Burlakovs, J., Kriipsalu, M., Porshnov, D., Jani, Y., Ozols, V., Pehme, K.-M., . . . Klavins, M. (2019). Gateway of Landfilled Plastic Waste Towards Circular Economy in Europe. Separations, 6(2), 1-8, Article ID 25.
Open this publication in new window or tab >>Gateway of Landfilled Plastic Waste Towards Circular Economy in Europe
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2019 (English)In: Separations, E-ISSN 2297-8739, Vol. 6, no 2, p. 1-8, article id 25Article in journal (Refereed) Published
Abstract [en]

For decades, significant work has been conducted regarding plastic waste by dealing with rejected materials in waste masses through their accumulation, sorting and recycling. Important political and technical challenges are involved, especially with respect to landfilled waste. Plastic is popular and, notwithstanding decrease policies, it will remain a material widely used in most economic sectors. However, questions of plastic waste recycling in the contemporary world cannot be solved without knowing the material, which can be achieved by careful sampling, analysis and quantification. Plastic is heterogeneous, but usually all plastic waste is jointly handled for recycling and incineration. Separation before processing waste through the analytical approach must be applied. Modern landfill mining and site clean-up projects in contemporary waste management systems require comprehensive material studies ranging from the macro-characterization of waste masses to a more detailed analysis of hazardous constituents and properties from an energy calorific standpoint-where, among other methods, thermogravimetric research coupled with life cycle assessment (LCA) and economic assessment is highly welcomed.

Place, publisher, year, edition, pages
MDPI, 2019
Keywords
circular economy, landfill mining, Plasticene, plastic waste, sorting, thermogravimetry
National Category
Environmental Sciences
Research subject
Natural Science, Environmental Science
Identifiers
urn:nbn:se:lnu:diva-86993 (URN)10.3390/separations6020025 (DOI)000474933600007 ()2-s2.0-85070058659 (Scopus ID)
Available from: 2019-07-26 Created: 2019-07-26 Last updated: 2019-08-29Bibliographically approved
Jani, Y., Burlakovs, J., Augustsson, A., Marques, M. & Hogland, W. (2019). Physicochemical and toxicological characterization of hazardous wastes from an oldglasswork dump at southeastern part of Sweden. Chemosphere
Open this publication in new window or tab >>Physicochemical and toxicological characterization of hazardous wastes from an oldglasswork dump at southeastern part of Sweden
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2019 (English)In: Chemosphere, ISSN 0045-6535, E-ISSN 1879-1298Article in journal (Refereed) Accepted
Abstract [en]

More than 34 old glasswork sites in the southeastern part of Sweden pose a permanent threat to human and environmental health due to the presence of toxic trace elements in open dumps with glass waste. The possibility of leaching of trace elements from different fractions of the disposed waste needed to be assessed. In the present investigation, leachate from a mixture of soil and waste glass of particle sizes of less than 2mm (given the name fine fraction) was characterized by analyzing the pH (7.3), total organic content (TOC<2%), organic matter content (4.4%), moisture content (9.7%), chemical oxygen demand (COD, 163mg/kg) and trace elements content, being the values in accordance to the Swedish guidelines for landfilling of inert materials. However, very high trace elements content was found in the fine fraction as well as in all colors of waste glass, whose values were compatible to hazardous waste landfill class. Tests with Lepidium sativum growing in the fine fraction as substrate revealed chronic toxicity expressed as inhibition of root biomass growth in 11 out of 15 samples. Additionally, leachate from fine fractions posed acute toxicity to genetically modified E. coli (Toxi-Chromotest). This study highlights the importance of combining physicochemical characterization with toxicity tests for both solid waste and leachate obtained from different waste fractions for proper hazardousness assessment supporting decision making on remediation demands.

Keywords
Glass waste; Old glassworks; Trace elements; Glassworks dumps; Toxicity; Hazardous glass
National Category
Natural Sciences
Identifiers
urn:nbn:se:lnu:diva-87489 (URN)10.1016/j.chemosphere.2019.124568 (DOI)2-s2.0-85070565543 (Scopus ID)
Available from: 2019-08-10 Created: 2019-08-10 Last updated: 2019-08-29
Jani, Y., Mutafela, R., Ferrans, L., Ling, G., Burlakovs, J. & Hogland, W. (2019). Phytoremediation as a promising method for the treatment of contaminated sediments. Iranian Journal of Energy and Environment, 10(1), 58-64
Open this publication in new window or tab >>Phytoremediation as a promising method for the treatment of contaminated sediments
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2019 (English)In: Iranian Journal of Energy and Environment, ISSN 2079-2115, Vol. 10, no 1, p. 58-64Article in journal (Refereed) Published
Abstract [en]

Dredging activities are necessary to maintain the navigation depth of harbors and channels. Additionally,dredging can prevent the loss of water bodies. A large amount of extracted sediments is produced around theworld. Removed material is widely disposed at open seas or landfills. Much of the dredged material is pollutedand is classified as unsuitable for open-sea disposal. In Sweden, many dredging activities are taking placenowadays like that in Oskarshamn harbor, Inre harbor Norrköping municipality and Malmfjärden bay inKalmar. In this review, the potential of phytoremediation as a treatment method is discussed with focus onsuggested methods for reusing the treated sediments. Recycling or reusing of dredged and treated sedimentswill preserve Earth natural resources as well as reduce diffusion of contaminants to the environment.

Place, publisher, year, edition, pages
Iran: Babol Noshirvani University of Technology, 2019
Keywords
Phytoremediation, Metals, Sediments, Dredging
National Category
Environmental Sciences
Research subject
Natural Science, Environmental Science
Identifiers
urn:nbn:se:lnu:diva-82514 (URN)10.5829/ijee.2019.10.01.09 (DOI)
Available from: 2019-05-13 Created: 2019-05-13 Last updated: 2019-05-17Bibliographically approved
Ozola, R., Krauklis, A., Burlakovs, J., Klavins, M., Vincevica-Gaile, Z. & Hogland, W. (2019). Surfactant-Modified Clay Sorbents for the Removal of p-nitrophenol. Clays and clay minerals, 67(2), 132-142
Open this publication in new window or tab >>Surfactant-Modified Clay Sorbents for the Removal of p-nitrophenol
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2019 (English)In: Clays and clay minerals, ISSN 0009-8604, E-ISSN 1552-8367, Vol. 67, no 2, p. 132-142Article in journal (Refereed) Published
Abstract [en]

Organic pollutants are widespread and a known problem for the environment. p-nitrophenol (PNP) is one such pollutant found in effluents from various industries involved with pesticides, pharmaceuticals, petrochemicals, plastic, paper, and other materials. The objective of this research was to prepare and test organically modified clays using four different surfactants and to evaluate the removal efficiency of PNP from aqueous solutions. Organically modified clays have attracted great interest due to their wide applications in industry and environmental protection as sorbents for organic pollutants. Two natural smectite-dominated clay types from outcrops in Latvia and Lithuania as well as industrially manufactured montmorillonite (Mt) clay were modified using different nonionic (4-methylmorpholine N-oxide (NMO) and dimethyldodecylamine N-oxide (DDAO)) and cationic (benzyltrimethyl ammonium chloride (BTMAC) and dodecyltrimethyl ammonium chloride (DTAC)) surfactants. Modified clay materials were characterized by Fourier-transform infrared (FTIR) spectroscopy, X-ray diffraction (XRD), scanning electron microscopy (SEM), and the Brunauer-Emmett-Teller method (BET) for surface area analysis. Sorption of PNP was investigated under various conditions, e.g. surfactant loading, initial PNP concentration, contact time, and pH. The novelty of the present study was to prepare innovative organo-sorbents based on manufactured as well as natural clay samples using cationic surfactants and nonconventional nonionic surfactants as modifiers. The sorption data combined with FTIR and XRD supplementary results suggests that nonionic organo-clay (Mt-DDAO_2) is the most effective sorbent and may serve as a low-toxicity immobilizer of pollutants such as phenols.

Place, publisher, year, edition, pages
Springer, 2019
Keywords
Cationic and Nonionic Surfactants, Clay Sorbents, p-nitrophenol, Sorption, Water Treatment
National Category
Environmental Sciences
Research subject
Natural Science, Environmental Science
Identifiers
urn:nbn:se:lnu:diva-88779 (URN)10.1007/s42860-019-00015-2 (DOI)000477061400002 ()
Available from: 2019-08-28 Created: 2019-08-28 Last updated: 2019-08-28Bibliographically approved
Ozola, R., Klavins, M. & Burlakovs, J. (2018). Clays, intercalated with organic substances for environmental technologies. In: International Multidisciplinary Scientific GeoConference Surveying Geology and Mining Ecology Management, SGEM: . Paper presented at 18th International Multidisciplinary Scientific Geoconference, SGEM 2018, 2 July 2018 through 8 July 2018 (pp. 197-202). International Multidisciplinary Scientific GeoConference & EXPO SGEM (5.2)
Open this publication in new window or tab >>Clays, intercalated with organic substances for environmental technologies
2018 (English)In: International Multidisciplinary Scientific GeoConference Surveying Geology and Mining Ecology Management, SGEM, International Multidisciplinary Scientific GeoConference & EXPO SGEM , 2018, no 5.2, p. 197-202Conference paper, Published paper (Refereed)
Abstract [en]

It is well documented that the interlayer space of clay minerals, notably smectites (e.g., montmorillonite), can be intercalated with wide variety of inorganic cations or organic cations through ion exchange reactions or using other physical and chemical means of interaction. When the modification of smectite is performed with organic cations, their properties change from hydrophilic to hydrophobic. Therefore, the resulting materials become efficient sorbents of organic contaminants in wastewater, e.g., as sorbing materials in landfill liners etc. Organophilic montmorillonite is prepared through exchange of smectite interlayer cations with long chain (C16-C18) alkylammonium-based ions (surfactants). Ionic liquids containing long chain cations (mostly imidazolium based) are another alternative to conventional nanoparticle modifiers. The review provides an overview of available clay based intercalated materials with various ionic liquids and surfactants, their effectiveness in removal of organic contaminants, and potential applications in environmentally friendly technologies. Present review is providing a platform for understanding the structure, properties and potential applications of organically modified clay materials, especially emphasizing water treatment. © SGEM2018.

Place, publisher, year, edition, pages
International Multidisciplinary Scientific GeoConference & EXPO SGEM, 2018
Series
International Multidisciplinary Scientific GeoConference SGEM ..., ISSN 1314-2704
Keywords
Clay sorbents, Ionic liquids, Organic contaminants, Surfactants, Water treatment, Clay minerals, Environmental technology, Organic minerals, Positive ions, Surface active agents, Environmentally-friendly technology, Imidazolium-based, Ion exchange reactions, Organic contaminant, Organic substances, Organophilic montmorillonites, Resulting materials, Structure, properties, Ion exchange
National Category
Environmental Sciences
Research subject
Natural Science, Environmental Science
Identifiers
urn:nbn:se:lnu:diva-83471 (URN)10.5593/sgem2018/5.2/S20.026 (DOI)2-s2.0-85058880360 (Scopus ID)
Conference
18th International Multidisciplinary Scientific Geoconference, SGEM 2018, 2 July 2018 through 8 July 2018
Available from: 2019-05-28 Created: 2019-05-28 Last updated: 2019-06-13Bibliographically approved
Burlakovs, J., Krievans, M., Seglins, V., Berzins, K. & Stiebrins, O. (2018). Dobele impact structure in latvia: Review of archived reports for future. In: International Multidisciplinary Scientific GeoConference Surveying Geology and Mining Ecology Management, SGEM: . Paper presented at 18th International Multidisciplinary Scientific Geoconference, SGEM 2018, 2 July 2018 through 8 July 2018 (pp. 75-81). International Multidisciplinary Scientific GeoConference & EXPO SGEM (1.1)
Open this publication in new window or tab >>Dobele impact structure in latvia: Review of archived reports for future
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2018 (English)In: International Multidisciplinary Scientific GeoConference Surveying Geology and Mining Ecology Management, SGEM, International Multidisciplinary Scientific GeoConference & EXPO SGEM , 2018, no 1.1, p. 75-81Conference paper, Published paper (Refereed)
Abstract [en]

Latvia is a State near Baltic Sea formerly included in Soviet Union that hardly classified all types of cartographical and geological information making it not available for scientific evaluation. Geological mapping data, deep boreholes with cores available from various depth up to crystalline basement (>1km), intersections and seismic data from 60-ties indicate the existence of an enigmatic structure similar to structural forms called astroblemes; it is located south of the town of Dobele in Latvia N56°35’ E23°15’. The structure at the beginning was suspected as kimberlitic pipe; however, gravimetric and magnetometer data did not approve these suspicions. The impact crater formed in between Late Triassic and Early Quaternary time; the age is not known precisely and one of versions of evolution of structure is possible explosion of a meteorite 2-5 km high above the land. Hydrogeological and geochemical data is contradictory to structural evidence therefore, a new survey including modern geophysical methods is highly recommended. The aim of this paper is reviewing of archived classified data from expedition reports of geological mapping events never published before and emphasize the need to recover hidden data about the formation of Dobele impact structure according to available research data and recommend future research approaches to shed light on unclear questions. The field geological mapping expedition was in charge during whole study of Dobele structure. The most devoted person to find the answers of development of the Dobele structure was Mr. Atis Murnieks, who left this world in summer 2017. © SGEM2018.

Place, publisher, year, edition, pages
International Multidisciplinary Scientific GeoConference & EXPO SGEM, 2018
Series
International Multidisciplinary Scientific GeoConference SGEM ..., ISSN 1314-2704
Keywords
Cenozoic, Geological mapping, Impact structures, Seismics, Boreholes, Geochemical surveys, Geology, Mapping, Seismology, Crystalline basement, Evolution of structures, Geological information, Scientific evaluations, Meteor impacts
National Category
Earth and Related Environmental Sciences
Research subject
Natural Science, Environmental Science
Identifiers
urn:nbn:se:lnu:diva-83668 (URN)10.5593/sgem2018/1.1/S01.010 (DOI)2-s2.0-85058797429 (Scopus ID)
Conference
18th International Multidisciplinary Scientific Geoconference, SGEM 2018, 2 July 2018 through 8 July 2018
Available from: 2019-05-28 Created: 2019-05-28 Last updated: 2019-06-13Bibliographically approved
Burlakovs, J., Jani, Y., Kriipsalu, M., Vincevica-Gaile, Z., Kaczala, F., Celma, G., . . . Klavins, M. (2018). On the way to 'zero waste' management: Recovery potential of elements, including rare earth elements, from fine fraction of waste. Journal of Cleaner Production, 186, 81-90
Open this publication in new window or tab >>On the way to 'zero waste' management: Recovery potential of elements, including rare earth elements, from fine fraction of waste
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2018 (English)In: Journal of Cleaner Production, ISSN 0959-6526, E-ISSN 1879-1786, Vol. 186, p. 81-90Article in journal (Refereed) Published
Abstract [en]

Existing schemes of solid waste handling have been improved implementing advanced systems for recovery and reuse of various materials. Nowadays, the 'zero waste' concept is becoming more topical through the reduction of disposed waste. Recovery of metals, nutrients and other materials that can be returned to the material cycles still remain as a challenge for future. Landfill mining (LFM) is one of the approaches that can deal with former dumpsites, and derived materials may become important for circular economy within the concept 'beyond the zero waste'. Perspectives of material recovery can include recycling of critical industrial metals, including rare earth elements (REEs). The LFM projects performed in the Baltic Region along with a conventional source separation of iron-scrap, plastics etc. have shown that the potential of fine-grained fractions (including clay and colloidal matter) of excavated waste have considerably large amounts of potentially valuable metals and distinct REEs. In this paper analytical screening studies are discussed extending the understanding of element content in fine fraction of waste derived from excavated, separated and screened waste in a perspective of circular economy. Technological feasibility was evaluated by using modified sequential extraction technique where easy extractable amount of metals can be estimated. Results revealed that considerable concentrations of Mn (418-823 mg/kg), Ni (41-84 mg/kg), Co (10.7-19.3 mg/kg) and Cd (1.0-3.0 mg/kg) were detected in fine fraction (<10 mm) of waste sampled from Hogbytorp landfill, while Cr (49-518 mg/kg) and Pb (30-264 mg/kg) were found in fine fraction (<10 mm) of waste from Torma landfill revealing wide heterogeneity of tested samples. Waste should become a utilizable resource closing the loop of anthropogenic material cycle as the hidden potential of valuable materials in dumps is considerable. (C) 2018 Elsevier Ltd. All rights reserved.

Place, publisher, year, edition, pages
Elsevier, 2018
Keywords
Circular economy, Element recovery, Landfill mining, Zero waste concept, Waste valorisation
National Category
Environmental Sciences
Research subject
Natural Science, Environmental Science
Identifiers
urn:nbn:se:lnu:diva-76767 (URN)10.1016/j.jclepro.2018.03.102 (DOI)000430785600008 ()2-s2.0-85046016140 (Scopus ID)
Available from: 2018-07-11 Created: 2018-07-11 Last updated: 2019-08-29Bibliographically approved
Valujeva, K., Burlakovs, J., Grinfelde, I., Pilecka, J., Jani, Y. & Hogland, W. (2018). Phytoremediation as tool for prevention of contaminant flow to hydrological systems. In: Research for Rural Development 2018: Engineering, landscape architecture. Paper presented at 24th Annual International Scientific Conference Research for Rural Development, 2018, 16-18 May 2018 (pp. 188-194). Jelgava: Latvia University of Agriculture, 1
Open this publication in new window or tab >>Phytoremediation as tool for prevention of contaminant flow to hydrological systems
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2018 (English)In: Research for Rural Development 2018: Engineering, landscape architecture, Jelgava: Latvia University of Agriculture , 2018, Vol. 1, p. 188-194Conference paper, Published paper (Refereed)
Abstract [en]

Management of remediation projects in contaminated sites has become an increasingly global challenge and nowadays takes intensive international environmentally sound cooperation intended to relieve negative consequences of landscape pollution. This paper aims to deal with the phytoremediation approach for protection of environment and preventing the streaming of contaminant flows to hydrological systems. Phytoremediation is a cost-effective environmentally friendly clean-up technology, which uses plants and microorganisms in rhizosphere for soil and groundwater treatment. Phytoremediation is enhancing degradation of organic pollutants and improving stabilization of inorganic contaminants where plants can be used to treat soil and water polluted with hydrocarbons, chlorinated substances, pesticides, metals, explosives, radionuclides as well as to reduce the excess of nutrients. Selection of species for this type of treatment processes is based on evapotranspiration potential and ability to bioaccumulate contaminants. The project entitled “Phytoremediation Park for treatment and recreation at glassworks contaminated sites“ (PHYTECO) aimed at cross-sector international partnership. The challenge of project was to develop remediation strategy where negative consequences from centuries long anthropogenic influence are turned to be something positive - development of the recreation park from the glass dump. Here designers, scientists, local volunteers, international students would join ideas and common work for the boost of innovation and sustainable thinking. New “Knowledge in Inter Baltic Partnership Exchange for Future Regional Circular Economy Cooperation“ (PECEC) project is sequential continuation.

Place, publisher, year, edition, pages
Jelgava: Latvia University of Agriculture, 2018
Keywords
Contaminated sites, Heavy metals, Oil products, Phytostabilization, Remediation, Bioremediation, Contamination, Cost effectiveness, Glass, Groundwater, Knowledge management, Organic pollutants, Plants (botany), Regional planning, Soils, Stabilization, Water pollution, Water treatment, Anthropogenic influence, Inorganic contaminants, International Partnerships, International students, Oil product, Remediation strategies, Soil pollution
National Category
Environmental Sciences
Research subject
Natural Science, Environmental Science
Identifiers
urn:nbn:se:lnu:diva-83345 (URN)10.22616/rrd.24.2018.029 (DOI)2-s2.0-85059888946 (Scopus ID)
Conference
24th Annual International Scientific Conference Research for Rural Development, 2018, 16-18 May 2018
Available from: 2019-05-24 Created: 2019-05-24 Last updated: 2019-05-24Bibliographically approved
Hogland, M., Burlakovs, J., Celma, G., Vincevica-Gaile, Z. & Hogland, W. (2018). Preliminary analysis of elements in water supply sludge at Rönneholms Mosse fields, southern Sweden. In: 18th International Multidisciplinary Scientific GeoConference (SGEM 2018): Conference Proceedings. Paper presented at 18th International Multidisciplinary Scientific GeoConference (SGEM 2018), Albena, Bulgaria, 2 - 8 July 2018 (pp. 111-118). Sofia: International Multidisciplinary Scientific GeoConference & EXPO SGEM, 18(1.4)
Open this publication in new window or tab >>Preliminary analysis of elements in water supply sludge at Rönneholms Mosse fields, southern Sweden
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2018 (English)In: 18th International Multidisciplinary Scientific GeoConference (SGEM 2018): Conference Proceedings, Sofia: International Multidisciplinary Scientific GeoConference & EXPO SGEM , 2018, Vol. 18, no 1.4, p. 111-118Conference paper, Published paper (Refereed)
Abstract [en]

Sydvatten AB operates the water plant Ringsjö Agency in Stehag, Southern Sweden, and the company has since the 1970s deposited waterworks sludge in the sludge landfill at Rönneholms Mosse (bog), Sjöholmen (WGS84 55°48'46.1"N 13°18'25.6"E). In order to handle the produced future waterworks sludge from Ringsjö there was carried out a trenching and stratigraphic study of Ringsjö Agency waterworks sludge. The aim of the project was to roughly determine the mass balance for Fe and Al for the basis of the results to determine potential extraction and recycling opportunities for the iron and/or aluminum hydroxides of water treatment sludge. In addition trace elements and rare earth elements (REE) were studied. Analysis of 10 cores were characterized by technogenic stratigraphy, texture and color, results of geochemical studies of processed sludge recovered possible recycling opportunities to implement circular economy principles in sludge management. The Interreg Baltic Sea Region within the scope of project “Interactive Water Management” (IWAMA) has supported this study.

Place, publisher, year, edition, pages
Sofia: International Multidisciplinary Scientific GeoConference & EXPO SGEM, 2018
Series
International Multidisciplinary Scientific GeoConference SGEM ..., ISSN 1314-2704 ; 18
Keywords
Circular econom, Recovery, Sludge, Trace elements, Water supply treatment, Aluminum compounds, Chemicals removal (water treatment), Exploratory geochemistry, Iron compounds, Rare earths, Stratigraphy, Water supply, Waterworks, Circular economy, Interactive water managements, Preliminary analysis, Sludge management, Water treatment sludge, Waterworks sludge, Water recycling
National Category
Earth and Related Environmental Sciences
Research subject
Natural Science, Environmental Science
Identifiers
urn:nbn:se:lnu:diva-83585 (URN)10.5593/sgem2018/1.4/S04.015 (DOI)2-s2.0-85058876808 (Scopus ID)978-1-5108-7357-5 (ISBN)
Conference
18th International Multidisciplinary Scientific GeoConference (SGEM 2018), Albena, Bulgaria, 2 - 8 July 2018
Available from: 2019-05-27 Created: 2019-05-27 Last updated: 2019-06-13Bibliographically approved
Organisations
Identifiers
ORCID iD: ORCID iD iconorcid.org/0000-0003-0269-4790

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