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Burlakovs, J., Hogland, W., Vincevica-Gaile, Z., Kriipsalu, M., Klavins, M., Jani, Y., . . . Tamm, T. (2020). Environmental Quality of Groundwater in Contaminated Areas—Challenges in Eastern Baltic Region. In: Abdelazim M. Negm, Martina Zelenáková & Katarzyna Kubiak-Wójcicka (Ed.), Water Resources Quality and Management in Baltic Sea Countries: (pp. 59-84). Switzerland: Springer
Open this publication in new window or tab >>Environmental Quality of Groundwater in Contaminated Areas—Challenges in Eastern Baltic Region
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2020 (English)In: Water Resources Quality and Management in Baltic Sea Countries / [ed] Abdelazim M. Negm, Martina Zelenáková & Katarzyna Kubiak-Wójcicka, Switzerland: Springer, 2020, p. 59-84Chapter in book (Refereed)
Abstract [en]

The lack of water in the future will force society to find more sophisticated solutions for treatment and improvement of groundwater wherever it comes from. Contamination of soil and groundwater is a legacy of modern society, prevention of contaminants spread and secondary water reuse options shall be considered. The aim of the book chapter is to give oversight view on problems and challenges linked to groundwater quality in Eastern Baltic region whilst through case studies explaining the practical problems with groundwater monitoring, remediation and overall environmental quality analysis. The reader will get introduced with case studies in industry levels as credibility of scientific fundamentals is higher when practical solutions are shown. Eastern Baltic countries experience cover contamination problems that are mainly of historic origin due to former Soviet military and industrial policy implementation through decades. Short summaries for each case study are given and main conclusions provided in form of recommendations at the very end of the chapter.

Place, publisher, year, edition, pages
Switzerland: Springer, 2020
Series
Springer Water, ISSN 2364-6934
National Category
Environmental Sciences
Research subject
Natural Science, Environmental Science
Identifiers
urn:nbn:se:lnu:diva-92812 (URN)10.1007/978-3-030-39701-2 (DOI)978-3-030-39700-5 (ISBN)978-3-030-39701-2 (ISBN)
Available from: 2020-03-10 Created: 2020-03-10 Last updated: 2020-05-15Bibliographically approved
Mutafela, R. N., Lopez, E. G., Dahlin, T., Kaczala, F., Marques, M., Jani, Y. & Hogland, W. (2020). Geophysical investigation of glass 'hotspots' in glass dumps as potential secondary raw material sources. Waste Management, 106, 213-225
Open this publication in new window or tab >>Geophysical investigation of glass 'hotspots' in glass dumps as potential secondary raw material sources
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2020 (English)In: Waste Management, ISSN 0956-053X, E-ISSN 1879-2456, Vol. 106, p. 213-225Article in journal (Refereed) Published
Abstract [en]

This study investigates the potential for Electrical Resistivity Tomography (ERT) to detect buried glass ‘hotspots’ in a glass waste dump based on results from an open glass dump investigated initially. This detection potential is vital for excavation and later use of buried materials as secondary resources. After ERT, test pits (TPs) were excavated around suspected glass hotspots and physico-chemical characterisation of the materials was done. Hotspots were successfully identified as regions of high resistivity (>8000 Ωm) and were thus confirmed by TPs which indicated mean glass composition of 87.2% among samples (up to 99% in some). However, high discrepancies in material resistivities increased the risk for introduction of artefacts, thus increasing the degree of uncertainty with depth, whereas similarities in resistivity between granite bedrock and crystal glass presented data misinterpretation risks. Nevertheless, suitable survey design, careful field procedures and caution exercised by basing data interpretations primarily on TP excavation observations generated good results particularly for near-surface materials, which is useful since glass waste dumps are inherently shallow. Thus, ERT could be a useful technique for obtaining more homogeneous excavated glass and other materials for use as secondary resources in metal extraction and other waste recycling techniques while eliminating complicated and often costly waste sorting needs.

Place, publisher, year, edition, pages
Elsevier, 2020
Keywords
Electrical resistivity tomography, secondary resources, glass waste, landfill mining, waste characterisation, circular economy
National Category
Geophysical Engineering
Research subject
Environmental Science, Environmental technology; Natural Science, Environmental Science
Identifiers
urn:nbn:se:lnu:diva-93190 (URN)10.1016/j.wasman.2020.03.027 (DOI)000525840000027 ()32240938 (PubMedID)
Funder
Vinnova, 2017-03244
Available from: 2020-03-30 Created: 2020-03-30 Last updated: 2020-05-05Bibliographically approved
Mutafela, R. N., Mantero, J., Jani, Y., Thomas, R., Holm, E. & Hogland, W. (2020). Radiometrical and physico-chemical characterisation of contaminated glass waste from a glass dump in Sweden. Chemosphere, 241, 1-10, Article ID 124964.
Open this publication in new window or tab >>Radiometrical and physico-chemical characterisation of contaminated glass waste from a glass dump in Sweden
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2020 (English)In: Chemosphere, ISSN 0045-6535, E-ISSN 1879-1298, Vol. 241, p. 1-10, article id 124964Article in journal (Refereed) Published
Abstract [en]

Around former glass factories in south eastern Sweden, there are dozens of dumps whose radioactivity and physico-chemical properties were not investigated previously. Thus, radiometric and physico-chemical characteristics of waste at Madesjö glass dump were studied to evaluate pre-recycling storage requirements and potential radiological and environmental risks. The material was sieved, hand-sorted, leached and scanned with X-Ray Fluorescence (XRF). External dose rates and activity concentrations of Naturally Occurring Radioactive Materials from 238U, 232Th series and 40K were also measured coupled with a radiological risk assessment. Results showed that the waste was 95% glass and dominated by fine fractions (< 11.3 mm) at 43.6%. The fine fraction had pH 7.8, 2.6% moisture content, 123 mg kg-1 Total Dissolved Solids, 37.2 mg kg-1 Dissolved Organic Carbon and 10.5 mg kg-1 fluorides. Compared with Swedish EPA guidelines, the elements As, Cd, Pb and Zn were in hazardous concentrations while Pb leached more than the limits for inert and non-hazardous wastes. With 40K activity concentration up to 3000 Bq kg-1, enhanced external dose rates of 40K were established (0.20 mSv h-1) although no radiological risk was found since both External Hazard Index (Hex) and Gamma Index (Iγ) were < 1. The glass dump needs remediation and storage of the waste materials under a safe hazardous waste class ‘Bank Account’ storage cell as a secondary resource for potential future recycling.

Place, publisher, year, edition, pages
Elsevier, 2020
Keywords
Glass waste, Physico-chemical characterisation, Fine fraction, NORM, Dose rates, Risk assessment
National Category
Environmental Sciences
Research subject
Environmental Science, Environmental technology
Identifiers
urn:nbn:se:lnu:diva-89504 (URN)10.1016/j.chemosphere.2019.124964 (DOI)000509791600088 ()31604195 (PubMedID)
Funder
Swedish Radiation Safety Authority, SSM 2017-1074Vinnova, 2016-05279
Available from: 2019-10-09 Created: 2019-10-09 Last updated: 2020-05-05Bibliographically approved
Ferrans, L., Jani, Y., Gao, L. & Hogland, W. (2019). Characterization of dredged sediments: a first guide to define potentially valuable compounds - the case of Malmfjärden Bay, Sweden. Advances in Geosciences, 49, 137-147
Open this publication in new window or tab >>Characterization of dredged sediments: a first guide to define potentially valuable compounds - the case of Malmfjärden Bay, Sweden
2019 (English)In: Advances in Geosciences, ISSN 1680-7340, E-ISSN 1680-7359, Vol. 49, p. 137-147Article in journal (Refereed) Published
Abstract [en]

Millions of tons of bottom sediments are dredged annually all over the world. Ports and bays need to extract the sediments to guarantee the navigation levels or remediate the aquatic ecosystem. The removed material is commonly disposed of in open oceans or landfills. These disposal methods are not in line with circular-economy goals and additionally are unsuitable due to their legal and environmental compatibility. Recovery of valuables represents a way to eliminate dumping and contributes towards the sustainable extraction of secondary raw materials. Nevertheless, the recovery varies on a case-by-case basis and depends on the sediment components. Therefore, the first step is to analyse and identify the sediment composition and properties. Malmfjärden is a shallow semi-enclosed bay located in Kalmar, Sweden. Dredging of sediments is required to recuperate the water level. This study focuses on characterizing the sediments, pore water and surface water from the bay to uncover possible sediment recovery paths and define the baseline of contamination in the water body. The results showed that the bay had high amounts of nitrogen (170–450 µg L−1 ), leading to eutrophication problems. The sediments mainly comprised small size particle material (silt, clay and sand proportions of 62 %–79 %, 14 %–20 %, 7 %–17 %, respectively) and had a medium–high level of nitrogen (7400–11 000 mg kg−1 ). Additionally, the sediments had little presence of organic pollutants and low–medium concentration of metals or metalloids. The characterization of the sediments displays a potential use in less sensitive lands such as in industrial and commercial areas where the sediments can be employed as construction material or as plant-growing substrate (for ornamental gardens or vegetation beside roads).

Place, publisher, year, edition, pages
Copernicus Publications, 2019
Keywords
sediments, metals, nutrients, organic compounds, beneficial uses
National Category
Environmental Sciences
Research subject
Natural Science, Environmental Science
Identifiers
urn:nbn:se:lnu:diva-89356 (URN)10.5194/adgeo-49-137-2019 (DOI)
Available from: 2019-09-30 Created: 2019-09-30 Last updated: 2019-10-03Bibliographically approved
Stenis, J., Hogland, W., Sokolov, M., Rud, V. & Davydov, R. (2019). Economic management instrument for enhanced supply of utilities to megacities. In: International Scientific Conference "Digital Transformation on Manufacturing, Infrastructure and Service": 21–22 November 2018, Saint-Petersburg, Russian Federation. Paper presented at International Scientific Conference "Digital Transformation on Manufacturing, Infrastructure and Service". 21–22 November 2018, Saint-Petersburg, Russian Federation. Bristol: Institute of Physics Publishing (IOPP) (1), Article ID 012061.
Open this publication in new window or tab >>Economic management instrument for enhanced supply of utilities to megacities
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2019 (English)In: International Scientific Conference "Digital Transformation on Manufacturing, Infrastructure and Service": 21–22 November 2018, Saint-Petersburg, Russian Federation, Bristol: Institute of Physics Publishing (IOPP), 2019, no 1, article id 012061Conference paper, Published paper (Refereed)
Abstract [en]

A cost structure is proposed to enhance the supply of utilities to megacities on a regional operating scale. The introduced methodology involves business administration theory and economics and employs the previously introduced equality principle and the EUROPE (Efficient Use of Resources for Optimal Production Economy) model to impose shadow costs on supply losses to induce economic incentives to improve the functionality of megacities. A case study presents the practical application in an Asian context. It is concluded that the introduced methodology makes the megacities more efficient and improve their functionality. Profitability increases, the technology is advanced, and the environment improves when the EUROPE model is applied on activities that involve supply flows at higher policy analysis levels. Application of an introduced key factor encapsulates megacity aspects. The equity of the regional access to facilities is improved. The developed methods support decision-making when managing megacity supply.

Place, publisher, year, edition, pages
Bristol: Institute of Physics Publishing (IOPP), 2019
Series
IOP Conference Series: Materials Science and Engineering, ISSN 1757-8981, E-ISSN 1757-899X ; 497
Keywords
Decision making, Economics, Business administration, Cost structure, Economic incentive, Economic management, Key factors, Megacities, Optimal production, Policy analysis, Manufacture
National Category
Economics and Business
Research subject
Economy
Identifiers
urn:nbn:se:lnu:diva-82890 (URN)10.1088/1757-899X/497/1/012061 (DOI)2-s2.0-85064856185 (Scopus ID)
Conference
International Scientific Conference "Digital Transformation on Manufacturing, Infrastructure and Service". 21–22 November 2018, Saint-Petersburg, Russian Federation
Available from: 2019-05-23 Created: 2019-05-23 Last updated: 2019-10-11Bibliographically approved
Burlakovs, J., Ferrans, L., Krumins, J., Jani, Y., Hogland, W. & Klavins, M. (2019). Fluorescence Spectroscopy – Applied Tool for Organic Matter Analysis. In: Goldschmidt Abstracts, 2019: . Paper presented at Goldschmidt, Barcelona, Spain, 18-23 August, 2019.
Open this publication in new window or tab >>Fluorescence Spectroscopy – Applied Tool for Organic Matter Analysis
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2019 (English)In: Goldschmidt Abstracts, 2019, 2019Conference paper, Poster (with or without abstract) (Refereed)
Abstract [en]

Large applied projects in various sub-fields of environmental science studied and analyzed properties of organic matter. The “Life-Sure” is as continuation of started work for cost effective bottom sediments treatment where organic matter play important role of sorption of urban contaminants; “CONTRA” - beach wrack studies for advanced value-based bioeconomy development. Another project on Jurassic clay is interesting in discourse on Pleistocene glaciers glaciodynamics. Material from field was tested by 3D fluorescence excitation-emission matrix (EEM) providing “fingerprints” for a single compound or a mixture of fluorescent components. Thus humic macromolecules might be well seen nevertheless structural units have variable effects on the wavelength as well as intensity of fluorescence. It decreases with increasing molecular size of the humic macromolecule. For applied environmental projects this is well non-destructive tool to quantify the decomposition degree of organic matter requiring negligible amount of sample. This important method is valid for both organic matter and humic substances analytics. Chemical nature of humic substances can be correlated to structural information, e.g., functional groups, poly-condensation, aromaticity, dynamic properties related to intermolecular interactions. Acquired data from EEM provided significant input for scientific knowledge and innovation along with other analytical tools. 

National Category
Environmental Sciences
Research subject
Natural Science, Environmental Science
Identifiers
urn:nbn:se:lnu:diva-89104 (URN)
Conference
Goldschmidt, Barcelona, Spain, 18-23 August, 2019
Available from: 2019-09-13 Created: 2019-09-13 Last updated: 2020-05-08Bibliographically approved
Hogland, W., Burlakovs, J., Mutafela, R. & Jani, Y. (2019). From glass dump to phytoremediation park. In: XVI-th International youth Science and Environmental Baltic Region Countries Forum 7–9 October 2019, Gdansk, Poland: . Paper presented at 16th International Youth Science and Environmental Baltic Region Countries Forum, ECOBALTICA 2019, Gdansk, Poland, October 7-9, 2019 (pp. 1-4). Institute of Physics (IOP), 390, Article ID 012007.
Open this publication in new window or tab >>From glass dump to phytoremediation park
2019 (English)In: XVI-th International youth Science and Environmental Baltic Region Countries Forum 7–9 October 2019, Gdansk, Poland, Institute of Physics (IOP), 2019, Vol. 390, p. 1-4, article id 012007Conference paper, Published paper (Refereed)
Abstract [en]

The Landfill mining was introduced in research in Sweden for more than three and a half decades ago. During recent years, the focus has been on the glass dumps in the Kingdom of Crystal in southeastern Sweden. Mapping of the dumps, test pit excavations, sieving and sorting of the glass masses, characterization, laboratory extraction of the metals in the glass was performed as well as measurements of radioactivity done. The polluted soil underneath the removed glass masses was treated by remediation. At one of places at the Kingdom of Crystal a phytoremediation/tourist park was established in Orrefors including a summer glasswork for tourist activities.

Place, publisher, year, edition, pages
Institute of Physics (IOP), 2019
Series
IOP Conference Series: Earth and Environmental Science, ISSN 1755-1307, E-ISSN 1755-1315
National Category
Environmental Sciences
Research subject
Natural Science, Environmental Science
Identifiers
urn:nbn:se:lnu:diva-89541 (URN)10.1088/1755-1315/390/1/012007 (DOI)
Conference
16th International Youth Science and Environmental Baltic Region Countries Forum, ECOBALTICA 2019, Gdansk, Poland, October 7-9, 2019
Available from: 2019-10-11 Created: 2019-10-11 Last updated: 2020-05-13Bibliographically 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
Porshnov, D., Burlakovs, J., Kriipsalu, M., Pilecka, J., Grinfelde, I., Jani, Y. & Hogland, W. (2019). Geoparks in cultural and landscape preservation context. In: 25th Annual International Scientific Conference "Research for Rural Development 2019" 15 - 17 May, 2019: . Paper presented at 25th Annual International Scientific Conference "Research for Rural Development 2019" 15 - 17 May, 2019,Latvia University of Life Sciences and Technologies, Jelgava, Latvia (pp. 154-159). Jelgava: Latvia University of Life Sciences and Technologies, 1
Open this publication in new window or tab >>Geoparks in cultural and landscape preservation context
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2019 (English)In: 25th Annual International Scientific Conference "Research for Rural Development 2019" 15 - 17 May, 2019, Jelgava: Latvia University of Life Sciences and Technologies , 2019, Vol. 1, p. 154-159Conference paper, Published paper (Refereed)
Abstract [en]

Society aims to develop frames for recognizing important geological and geomorphological sites and features or landscapes within their national and even transnational boundaries. Earth heritage sites educate the general public and preserve cultural and environmental matters. New trends of sustainable development, importance of site conservation are demanding that landforms and landscapes, rocks, minerals, fossils, soils should be protected legally, as they give understanding about the evolution of Mother Earth in local and regional context to generations. The Geopark concept was developed in cooperation with UNESCO and followed a large number of requests to UNESCO from all over the world, from geological institutions and geoscientists and non-governmental organizations, and it became extremely popular and influential to preserve those geological heritage areas, nowadays still recognized only nationally or not at all. This paper aims to give comprehensive overview of existing geoparks in the Baltic Sea Region, as well as analyze aspiring geoparks and unpublished initiatives of potential geopark (Livonia and Vooremaa) eventual establishment in frames of cultural and landscape preservation context. Criteria, requirements and earlier studies are given in context. The geoparks should mainly contain cultural and educational purpose while targeting the least possible damage in preservational aspect

Place, publisher, year, edition, pages
Jelgava: Latvia University of Life Sciences and Technologies, 2019
Series
Research for Rural Development, ISSN 1691-4031, E-ISSN 2255-923X
Keywords
geoparks, natural heritage, industrial heritage, Swedish Institute, landscape aesthetics, landscape
National Category
Environmental Sciences related to Agriculture and Land-use
Research subject
Natural Science, Environmental Science
Identifiers
urn:nbn:se:lnu:diva-90969 (URN)10.22616/rrd.25.2019.023 (DOI)000528521400023 ()
Conference
25th Annual International Scientific Conference "Research for Rural Development 2019" 15 - 17 May, 2019,Latvia University of Life Sciences and Technologies, Jelgava, Latvia
Available from: 2020-01-16 Created: 2020-01-16 Last updated: 2020-05-18Bibliographically approved
Song, W., Li, J., Fu, C., Wang, Z., Zhang, X., Yang, J., . . . Gao, L. (2019). Kinetics and pathway of atrazine degradation by a novel method: Persulfate coupled with dithionite. Chemical Engineering Journal, 373, 803-813
Open this publication in new window or tab >>Kinetics and pathway of atrazine degradation by a novel method: Persulfate coupled with dithionite
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2019 (English)In: Chemical Engineering Journal, ISSN 1385-8947, E-ISSN 1873-3212, Vol. 373, p. 803-813Article in journal (Refereed) Published
Abstract [en]

Efficient and environmentally friendly activation methods of persulfate (PS) have gained growing attention in the remediation of water or soil polluted by organic contaminants. Among all, the exploration of effective and applicable method for the PS activation becomes one of the hottest topics in the field of organic degradation. Dithionite (DTN) was employed in this study to activate PS and applied to degrade Atrazine (ATZ) without secondary pollution. ATZ could be completely degraded within 90 min by PS/DTN system. ATZ degradation by PS obeyed the pseudo-first-order kinetics and the rate constant values increased from (4.71-5.05) x10(-3) min(-1) to (4.59-5.09) x10(-2) min(-1) with the addition of DTN. Sulfate radicals were verified to be the dominant reactive species through the radical scavenging experiment. PS/DTN system can remain a strong oxidative ability in the range of pH below 9.0. The presence of Cl-, natural organic matter (NOM), and high concentration of HCO3- may inhibit the removal of ATZ while the low concentration of HCO3- can slightly promote the degradation. It was found that the degradation pathways of ATZ by PS/DTN involved de-chlorination and hydroxylation, de-alkylation, and de-amination by the reactive species. The study reveals that PS/DTN system has the broad application prospect in the treatment of refractory pollutants.

Place, publisher, year, edition, pages
Elsevier, 2019
Keywords
Persulfate, Dithionite, Atrazine, Sulfate radical, Degradation pathway
National Category
Environmental Sciences
Research subject
Environmental Science, Environmental Chemistry
Identifiers
urn:nbn:se:lnu:diva-86882 (URN)10.1016/j.cej.2019.05.110 (DOI)000471682900076 ()2-s2.0-85065863697 (Scopus ID)
Available from: 2019-07-18 Created: 2019-07-18 Last updated: 2019-08-29Bibliographically approved
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Identifiers
ORCID iD: ORCID iD iconorcid.org/0000-0002-1903-760X

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