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  • 1.
    Devlin, Yuka
    et al.
    England.
    Nicholl, G
    England.
    McRoberts, C
    England.
    Johnston, C
    England.
    Rosenqvist, Dahn
    Laqua Treatment AB, Sweden,.
    Svensson, Britt-Marie
    Kristianstad University, Faculty of Natural Science, Research environment Man & Biosphere Health (MABH). Kristianstad University, Faculty of Education, Avdelningen för matematik- och naturvetenskapernas didaktik.
    Mårtensson, Lennart
    Kristianstad University, Faculty of Natural Science, Research environment Man & Biosphere Health (MABH). Kristianstad University, Faculty of Education, Avdelningen för matematik- och naturvetenskapernas didaktik.
    On site landfill leachate treatment: investigations into economical and environmental sustainable systmes for Northern Ireland2017In: Ebook: Proceedings of 11th European Waste Water Management Conference, 2017Conference paper (Other (popular science, discussion, etc.))
    Abstract [en]

    This paper presents the potential for the Swedish Laqua system to be used as a sustainable method for on-site landfill leachate management in Northern Ireland, specifically the potential to use locally sourced filter materials from Northern Ireland as part of the filter system. Four carbon containing ashes and four types of peat were tested over a 24 hours period by a shaking test with untreated landfill leachate. Considering the results of this screening test, and the economical and sustainable supply of filter materials, one combination of ash and peat was selected to be column tested. Column testing with artificial leachate containing 7 organic pollutants (3 PAHs and 4 PCBs) and 9 inorganic pollutants showed that locally sourced filter materials effectively removed both organic and inorganic pollutants. A subsequent column test with landfill leachate for 13 weeks demonstrated it was feasible to apply the Laqua system with economical locally sourced filter materials.

  • 2.
    Kängsepp, Pille
    et al.
    Department of Analytical Chemistry, Lund University.
    Svensson, Britt-Marie
    Kristianstad University, School of Education and Environment, Avdelningen för Naturvetenskap. Kristianstad University, Forskningsmiljön Man and Biosphere Health (MABH).
    Mårtensson, Lennart
    Kristianstad University, School of Education and Environment, Avdelningen för Naturvetenskap. Kristianstad University, Forskningsmiljön Man and Biosphere Health (MABH).
    Rosenquist, D.
    Laqua Treatment AB, Degeberga .
    Hogland, W.
    School of Pure and Applied Natural Sciences, Kalmar University.
    Mathiasson, L.
    Department of Analytical Chemistry, Lund University.
    Column studies aiming at identification of suitable filter materials for pollutant removal from landfill leachate2008In: International Journal of Environment and Waste Management, ISSN 1478-9876, E-ISSN 1478-9868, Vol. 2, no 6, p. 506-525Article in journal (Refereed)
    Abstract [en]

    Landfill leachate contains a complex mixture of inorganic and organic pollutants, which need to be removed before they pollute the environment. Different filter media (peat mixed with either carbon-containing ash, polyurethane waste, or wood pellets) were investigated with respect to their possibility to simultaneously and at low initial concentrations remove metals, polar and non-polar organic compounds. The mixture of peat and carbon-containing ash was found to be the best medium. Reduction in leachate of phenolic substances was 96%, of PBDEs was over 98%, of DOC 40% and of important metals as Cu, Pb and Sn 60%, 90% and 93%, respectively.

  • 3.
    Punzi, Marisa
    et al.
    Lund University.
    Anbalagan, Anbarasan
    Lund University.
    Aragão Börner, Rosa
    Lund University.
    Svensson, Britt-Marie
    Kristianstad University, School of Education and Environment, Avdelningen för Naturvetenskap. Kristianstad University, Research environment Man & Biosphere Health (MABH).
    Jonstrup, Maria
    Lund University.
    Mattiasson, Bo
    Lund University.
    Degradation of a textile azo dye using biological treatment followed by photo-Fenton oxidation: evaluation of toxicity and microbial community structure2015In: Chemical Engineering Journal, ISSN 1385-8947, E-ISSN 1873-3212, Vol. 270, p. 290-299Article in journal (Refereed)
    Abstract [en]

    Many commercial dye preparations are cocktails of active dyes and various by-products that are recalcitrant to biological degradation and end up in significant amounts in the effluent after the dyeing process. Conventional wastewater treatment processes are not able to degrade such compounds and detoxify the effluent, thus alternative treatments should be developed.

    In our work we suggest to use photo-Fenton oxidation as post-treatment after an anaerobic biofilm process, in a way to minimize the reagents needed. This process was used for treatment of synthetic textile wastewater containing the commercial azo dyestuff Remazol Red, starch and sodium chloride. The treated textile effluent had COD lower than 18 mg/l even when using initial Fenton reagents concentration as low as 1 mM ferrous ions and 10 mM hydrogen peroxide. The acute toxicity was higher in the biologically treated than in the untreated effluent. Photo-Fenton oxidation successfully reduced the toxicity and the final effluent was non-toxic to Artemia salina and Microtox, with the exception of the effluent containing high concentration of sodium chloride, which was moderately toxic to Microtox. For the first time the presence of algae was detected in a reactor treating textile wastewater using denaturing gradient gel electrophoresis (DGGE); bacteria and fungi were also abundant.

    The results of this study suggest that using advanced oxidation after biological treatment is an effective way to degrade the organic compounds and remove toxicity from textile effluents.

  • 4.
    Punzi, Marisa
    et al.
    Lunds universitet.
    Nilsson, Filip
    Lunds universitet.
    Anbalagan, Anbarasan
    Lunds universitet.
    Svensson, Britt-Marie
    Kristianstad University, School of Education and Environment, Avdelningen för Naturvetenskap.
    Jönsson, Karin
    Lunds universitet.
    Mattiasson, Bo
    Lunds universitet.
    Jonstrup, Maria
    Lunds universitet.
    Combined anaerobic–ozonation process for treatment of textile wastewater: Removal of acute toxicity and mutagenicity2015In: Journal of Hazardous Materials, ISSN 0304-3894, E-ISSN 1873-3336, Vol. 292, no 15 July, p. 52-60Article in journal (Refereed)
    Abstract [en]

    A novel set up composed of an anaerobic biofilm reactor followed by ozonation was used for treatment of artificial and real textile effluents containing azo dyes. The biological treatment efficiently removed chemical oxygen demand and color. Ozonation further reduced the organic content of the effluents and was very important for the degradation of aromatic compounds, as shown by the reduction of UV absorbance. The acute toxicity toward Vibrio fischeri and the shrimp Artemia salina increased after the biological treatment. No toxicity was detected after ozonation with the exception of the synthetic effluent containing the highest concentration, 1 g/l, of the azo dye Remazol Red. Both untreated and biologically treated textile effluents were found to have mutagenic effects. The mutagenicity increased even further after 1 min of ozonation. No mutagenicity was however detected in the effluents subjected to longer exposure to ozone.

    The results of this study suggest that the use of ozonation as short post-treatment after a biological process can be beneficial for the degradation of recalcitrant compounds and the removal of toxicity of textile wastewater. However, monitoring of toxicity and especially mutagenicity is crucial and should always be used to assess the success of a treatment strategy.

  • 5.
    Svensson, Britt-Marie
    et al.
    Kristianstad University, School of Engineering.
    Mathiasson, Lennart
    Department of Analytical Chemistry, Lund University.
    Mårtensson, Lennart
    Kristianstad University, School of Engineering.
    Bergström, Staffan
    Kristianstad University, School of Engineering.
    Artemia salina as test organism for assessment of acute toxicity of leachate water from landfills2005In: Environmental Monitoring & Assessment, ISSN 0167-6369, E-ISSN 1573-2959, Vol. 102, no 1-3, p. 309-321Article in journal (Refereed)
    Abstract [en]

    Artemia salina has, for the first time, been used as test organism for acute toxicity of leachate water from three landfills (the municipal landfills at Kristianstad, Sweden and Siauliai, Lithuania, and an industrial landfill at Stena Fragmenting AB, Halmstad, as well as for leachate from Kristianstad treated in different ways in a pilot plan). Artemia can tolerate the high concentrations of chloride ions found in such waters. Large differences in toxicities were found, the leachate from Siauliai being the most toxic one. To increase the selectivity in the measurements, a fractionation was done by using ion exchange to separate ammonium/ammonia and metal ions from the leachate, and activated carbon adsorbents for organic pollutants. The influence of some metals and phenol compounds on the toxicity was investigated separately. It was found that most of the toxicity emanated from the ammonium/ ammonia components in the leachate. However, there was also a significant contribution from organic pollutants, other than phenol compounds, since separate experiments had in this latter case indicated negligible impact. The concentrations of metals were at a level, shown by separate experiments, where only small contribution to the toxicity could be expected.

  • 6.
    Svensson, Britt-Marie
    et al.
    Kristianstad University, School of Education and Environment, Avdelningen för Naturvetenskap. Kristianstad University, Forskningsmiljön Man and Biosphere Health (MABH).
    Mathiasson, Lennart
    Center for Analysis and Synthesis, Department of Chemistry, Lund University.
    Mårtensson, Lennart
    Kristianstad University, School of Education and Environment, Avdelningen för Naturvetenskap. Kristianstad University, Forskningsmiljön Man and Biosphere Health (MABH).
    Kängsepp, Pille
    Center for Analysis and Synthesis, Department of Chemistry, Lund University.
    Evaluation of filter material for treatment of different types of wastewater2011In: Journal of Environmental Protection, ISSN 2152-2197, E-ISSN 2152-2219, Vol. 2, no 7, p. 888-894Article in journal (Refereed)
    Abstract [en]

    This paper presents an evaluation of the suitability of a mixed absorbent based on peat and carbon-containing ash for treatment of wastewaters, such as wastewater from professional car washes, landfill leachate and stormwater. This mixture is very attractive, since it is a low-cost material which has a capability to simultaneously remove inorganic as well as organic pollutants. Since any filter material eventually needs to be replaced either due to saturation of pollutants or reduced infiltration capacity, it is important that the residual can be handled at low cost and that the environment will be not impaired. The tested mixture, used in filter beds, showed low leaching values and high simultaneous removal efficiency of metals as Cu, Cd and Pb, non-polar organic compounds such as PCBs. Polar organic compounds as phenols were also efficiently removed by microbial and/or chemical degradation in the studied treatment plants with the filter bed acted as a biofilter. Filter material used for three years in a full-scale plant for leachate treatment and four years in treatment plants for wastewater from car washes, had sufficiently high energy content indicating that energy recovery is a good alternative for handling after its usage. Results show that the presented filter material is excellent for both small scale applications (e.g. treatment systems for car wash wastewater with capacity between 250 - 3000 m3 per year) as well as large-scale applications (e.g. filter systems for landfill leachates with capacity above 30,000 m3 per year).

  • 7.
    Svensson, Britt-Marie
    et al.
    Kristianstad University, Department of Mathematics and Science.
    Mårtensson, Lennart
    Kristianstad University, Department of Mathematics and Science.
    Mathiasson, Lennart
    Lund University, Analytical Chemistry.
    Eskilsson, Linda
    Kristianstad University, School of Engineering.
    Leachability testing of metallic wastes2005In: Waste Management & Research, ISSN 0734-242X, E-ISSN 1096-3669, Vol. 23, no 5, p. 457-467Article in journal (Refereed)
    Abstract [en]

    The performance of two tests, a batch test and a percolation test for the characterization of waste as suggested in the EU council decision 2003/33/EC was investigated. The tests were carried out on two solid waste streams from a metal recycling industry. The concentrations of heavy metals such as Cu, Znand Pb were more than one order of magnitude lower than the proposed limit values. Generally, batch test values were equal or higher than percolation test values. With the proposed test procedures both materials could be considered as non-dangerous wastes. The test performance was also investigated using a leachant with higher ionic strength instead of demineralized water as prescribed. The results clearly show a significant increase in the concentration of some heavy metals. Total concentrations of phenolic compounds and polychlorinated biphenyls were less than 1 p.p.m. and 2 p.p.b., respectively. The precision of the batch and the percolation tests were on average 48 and 35%, respectively.

  • 8.
    Svensson, Britt-Marie
    et al.
    Kristianstad University, Department of Mathematics and Science.
    Mårtensson, Lennart
    Kristianstad University, Department of Mathematics and Science.
    Mathiasson, Lennart
    Department of Analytical Chemistry, Lund University.
    Åkeson, Tobias
    Department of Analytical Chemistry, Lund University.
    Persson, Anders
    South Scania Waste Company, Malmö.
    Leachability testing of sludge from street gullies2006In: Waste Management & Research, ISSN 0734-242X, E-ISSN 1096-3669, Vol. 24, no 3, p. 260-268Article in journal (Refereed)
    Abstract [en]

    Sludge from gullies, on two types of streets with different traffic intensity, was investigated using two recommended EU methods for leachability testing of waste: a two-stage batch test and an up-flow percolation test. The main purpose of this investigation was to gain more knowledge about these leaching test methods to be able to make future decisions on the general applicability of the proposed tests. A number of parameters were determined in the sludge as well as in the eluates obtained from the two leaching tests. These include pH, conductivity, dissolved organic carbon and inorganic ions as chloride ions. A number of metals as Cd, Cr, Cu, Hg, Ni and Zn, were determined by inductive coupled plasma-mass spectrometry and organic compounds were screened by high performance liquid chromatography-diode array UV detection and gas chromatography-mass spectrometry. It was found that the concentrations of metals and organic compounds in the sludge were several orders of magnitudes higher than the actual eluate concentrations. For all metals the concentrations were well below the proposed limit values for non-hazardous waste included in the Council decision document 2003/33/EC. Generally, concentrations obtained in batch test were equal or higher than from percolation tests. The repeatability of the percolation and the batch test were in average 28 and 17%, respectively.

  • 9.
    Svensson, Britt-Marie
    et al.
    Kristianstad University, School of Education and Environment, Avdelningen för Naturvetenskap. Kristianstad University, Research environment Man & Biosphere Health (MABH).
    Mårtensson, Lennart
    Kristianstad University, School of Education and Environment, Avdelningen för Naturvetenskap. Kristianstad University, Research environment Man & Biosphere Health (MABH).
    Punzi, Marisa
    Lund University.
    Svensson, Henric
    Kristianstad University, Research environment Man & Biosphere Health (MABH).
    Yermakovych, Iryna
    Kristianstad University.
    Determination of  acute toxicity of different types of waste waters2014Conference paper (Other academic)
  • 10.
    Svensson, Henric
    et al.
    Department of Biology and Environmental Science, School of Natural Sciences, Linnaeus University, Kalmar.
    Marquez, Marcia
    Department of Biology and Environmental Science, School of Natural Sciences, Linnaeus University, Kalmar.
    Svensson, Britt-Marie
    Kristianstad University, School of Education and Environment, Avdelningen för Naturvetenskap. Kristianstad University, Research environment Man & Biosphere Health (MABH).
    Mårtensson, Lennart
    Kristianstad University, School of Education and Environment, Avdelningen för Naturvetenskap. Kristianstad University, Research environment Man & Biosphere Health (MABH).
    Bhatnagar, Amit
    Department of Biology and Environmental Science, School of Natural Sciences, Linnaeus University, Kalmar.
    Hogland, William
    Department of Biology and Environmental Science, School of Natural Sciences, Linnaeus University, Kalmar.
    Treatment of wood leachate with high polyphenols content by peat and carbon-containing fly ash filters2015In: Desalination and Water Treatment, ISSN 1944-3994, E-ISSN 1944-3986, Vol. 53, no 8, p. 2041-2048Article in journal (Refereed)
    Abstract [en]

    In the present study, two combinations of filter materials in filter/columns were examined for removal of total organic carbon (TOC) and polyphenols (PP) found in storm water runoff from wood storage areas in a wooden floor industry. One filter/column was packed with peat mixed with carbon-containing fly ash, while another filter/column contained only peat (without ash). The mixture of peat and ash has shown faster and higher removal capacity for TOC and faster removal with the same final removal capacity for PP (in grams of pollutant per kg of sorbent) at the saturation point. The superiority observed for the peat and ash filter is presumably due to the unique characteristics of peat and ash, which enhanced the treatment efficiency when used together in a mixture. Based on the observed results, filters formed by peat and carbon-containing ashes proved to be a potentially low-cost option for the treatment of storm water generated at storage areas of wood materials such as logs, sawdust and wood chips.

  • 11.
    Svensson, Henric
    et al.
    The School of Natural Sciences, Linnaeus University.
    Svensson, Britt-Marie
    Kristianstad University, School of Education and Environment, Avdelningen för Naturvetenskap. Kristianstad University, Forskningsmiljön Man and Biosphere Health (MABH).
    Hogland, William
    The School of Natural Sciences, Linnaeus University.
    Marques, Marcia
    Dept. of Sanitary and Environmental Engineering Rio de Janeiro State University UERJ .
    Acute toxic effects caused by leachate from five different tree species on Artemia Salina and Vibro Fischeri2012In: Journal of Biobased Materials and Bioenergy, ISSN 1556-6560, E-ISSN 1556-6579, Vol. 6, no 2, p. 214-220Article in journal (Refereed)
    Abstract [en]

    In this study, leachates resulting from leaching tests carried out with sawdust from five tree species were investigated. The studied species were: Pedunculate oak (Quercus robur), Scots pine (Pinus sylvestris), European larch (Larix decidua), Norway spruce (Picea abies) and European beech (Fagus sylvatica). The analyses included chemical parameters such as pH, TOC and phenolic compounds (reported as total poly-phenols) and acute toxicity on two different organisms, the crustacean Artemia salina and the bacteria Vibro fischeri (Microtox®). There are very high amounts of different phenolic compounds in the leachate, and large differences between tree species. The leachates produced by sawdust and bark of different tree species presented great variation regarding acute toxicity. V. fischeri was more sensitive than A. salina and leachates from pine sawdust and pine bark produced the highest toxicity response from V. fischeri. This study indicates that bark is one component of the tree anatomy that needs to be handled as a potential hazardous material to the aquatic environment. The large variation in toxicity presented by different tree species need to be taken into account when assessing the impacts to surrounding watercourses and constructing wastewater treatment facilities for the wood-based industry such as irrigation water, stormwater runoff from storage areas.

  • 12.
    Yermakovych, Iryna
    et al.
    Ukraina.
    Mårtensson, Lennart
    Kristianstad University, School of Education and Environment, Avdelningen för Naturvetenskap. Kristianstad University, Research environment Man & Biosphere Health (MABH).
    Svensson, Britt-Marie
    Kristianstad University, School of Education and Environment, Avdelningen för Naturvetenskap. Kristianstad University, Research environment Man & Biosphere Health (MABH).
    Samoilenko, Natalia
    Ukraina.
    Investigation of Hard Biodegradable Pharmaceuticals Pollutants Treatment of Hospital Wastewaters2014In: Book of abstracts, 2014, p. 173-Conference paper (Other academic)
    Abstract [en]

    According to the results of the research performed in the different modern research laboratories the remnants of drugs and their derivatives are found in surface waters in France, USA, UK, Germany, Denmark and Sweden. These substances also can be found in sewage sludge, river and ocean sediments and in the municipal landfills filtrates. Some species have been found even in drinking water and ice, grou nd and ocean waters. Many studies confirmed the data of the annual drug releasing into the environment, which counts several hundred of kilograms. Thus, the investigations of negative impact of pharmaceutical substances and their derivatives on aquatic organisms have been performed  during more  than 20 years and showed an extremely negative presence of any drugs in the waters. Now, they are still  considering  as  emerging organic contaminants in the different type of waters. The main sources of water pollution by pharmaceuticals and their derivatives are wastewater from hospitals, clinics, pharmaceutical industries and domestic sewage as well. However, the main percentage of pharmaceuticals dumped into wastewaters is coming from the hospitals. This is typical for large cities, where is situated a great n um ber of hospitals and health care institutions. In the opinion of one study hospital wastewaters have been found in a 15 times higher potential ecotoxicity than the general urban have. The negative effect of pharmaceuticals influence into environment can be decrease due to application of different kinds of additional wastewater treatment as Advanced Oxidation Processes (AOPs). The main approaches of hospitals wastewater treatment in Ukraine and Sweden by implementation of AOPs method were considered in this study. The main data of this research will be presented. 

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