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Vianna, M. T., Marques, M. & Bertolino, L. C. (2016). Sun coral powder as adsorbent: Evaluation of phosphorus removal in synthetic and real wastewater. Ecological Engineering: The Journal of Ecotechnology, 97, 13-22
Open this publication in new window or tab >>Sun coral powder as adsorbent: Evaluation of phosphorus removal in synthetic and real wastewater
2016 (English)In: Ecological Engineering: The Journal of Ecotechnology, ISSN 0925-8574, E-ISSN 1872-6992, Vol. 97, p. 13-22Article in journal (Refereed) Published
Abstract [en]

Two exotic species introduced during the 90 s known as sun coral currently spread along 2000 km of the Brazilian coast pose a severe threat to the marine biodiversity. Since they have exoskeletons with high concentration of calcium carbonate, the present investigation focused on the removal of phosphorus from wastewater, using exoskeleton's powder in three forms: raw (RSC); physically modified (SCA) and chemically modified (SCC). A Central Composite Design with Response Surface Methodology was applied to the assays along to studies of kinetics, thermodynamics and equilibrium and sorbent's characterisation by FTIR, XRD and SEM-EDX techniques. The maximum P removal capacities of RSC, SCA and SCC were 6826, 7062 and 9597 mg P kg−1, respectively. In all cases, the adsorption followed the Langmuir's pseudo-second-order kinetic model being the process thermodynamically appropriate. The sun coral-based adsorbent is an attractive option for wastewater treatment and may contribute to the control of the sun coral population.

Keywords
Factorial design, Phosphorus removal, Response surface methodology, Sorption processes, Sun coral, Wastewater
National Category
Environmental Sciences Water Engineering
Research subject
Natural Science, Environmental Science; Technology (byts ev till Engineering)
Identifiers
urn:nbn:se:lnu:diva-56054 (URN)10.1016/j.ecoleng.2016.08.004 (DOI)000388580200002 ()2-s2.0-84982106322 (Scopus ID)
Note

Funding Details: CAPES, Coordination for the Improvement of Higher Education Personnel

Available from: 2016-09-16 Created: 2016-08-31 Last updated: 2017-11-21Bibliographically approved
Hansson, H., Kaczala, F., Amaro, A., Marques, M. & Hogland, W. (2015). Advanced Oxidation Treatment of Recalcitrant Wastewater from a Wood-Based Industry: a Comparative Study of O3 and O3/UV. Water, Air and Soil Pollution, 226(7), Article ID 229.
Open this publication in new window or tab >>Advanced Oxidation Treatment of Recalcitrant Wastewater from a Wood-Based Industry: a Comparative Study of O3 and O3/UV
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2015 (English)In: Water, Air and Soil Pollution, ISSN 0049-6979, E-ISSN 1573-2932, Vol. 226, no 7, article id 229Article in journal (Refereed) Published
Abstract [en]

Ozone and ozone-based advanced oxidation processes were applied for the treatment of a recalcitrant wastewater generated by wood-based industries that contains different inorganic and organic constituents and high chemical oxygen demand (COD) varying between 3,400 and 4,000 mg/L. The investigation used a tubular ozone reactor combined with an UV reactor designed for different hydraulic retention times. The dependent variables addressed to evaluate the treatment efficiency were the reduction of COD and total organic carbon (TOC) and the biodegradability of the treated effluent based on respirometric studies using activated sludge from a wastewater treatment. The results showed that even though ozonation alone at acid pH promoted COD and TOC reductions of 65 and 31 % respectively, a decrease in the biodegradability was observed. The most effective treatment (COD and TOC reductions of 93 and 43 %, respectively) was obtained when applying ozone combined with UV light at basic pH. The ozone-UV combination was capable of increasing the amount of readily available COD by 75 % with an additional reduction of TOC by 60 %. In conclusion, ozonation at low pH effectively reduces the COD content in wastewater generated by the wood-based industry; however, in order to combine advanced oxidation with biological process, ozone combined with UV is recommended.

Keywords
Advanced oxidation processes, Ozone, Ozone/UV, Industrial wastewater, Wood-based industry, Surface response, Rotatable central composite design
National Category
Environmental Sciences
Research subject
Natural Science, Environmental Science
Identifiers
urn:nbn:se:lnu:diva-45794 (URN)10.1007/s11270-015-2468-5 (DOI)000357690100008 ()2-s2.0-84934343945 (Scopus ID)
Available from: 2015-08-20 Created: 2015-08-19 Last updated: 2018-05-17Bibliographically approved
de Sá Salomão, A. L. & Marques, M. (2015). Estrogenicity and Genotoxicity Detection in Different Contaminated Waters. Human and Ecological Risk Assessment, 21(7), 1793-1809
Open this publication in new window or tab >>Estrogenicity and Genotoxicity Detection in Different Contaminated Waters
2015 (English)In: Human and Ecological Risk Assessment, ISSN 1080-7039, E-ISSN 1549-7860, Vol. 21, no 7, p. 1793-1809Article in journal (Refereed) Published
Abstract [en]

ABSTRACT: Owing that Oreochromis niloticus is resistant to different aquatic environments,four contaminated sites were selected: decentralized engineered ecosystem(DEE) and conventional wastewater treatment plants(WWTP); urban lagoon; and gasoline-contaminated marshland. Endocrine disruption was assessed by alkali-labile phosphate(ALP) quantification,genotoxicity by micronuclei frequency,and morphological changes by hepatosomatic and gonadosomatic indexes. The ALP baseline of non-exposed O. niloticus males was low,compared with other fish species in the literature. Endocrine disruption was observed in fish exposed to raw wastewater of WWTP and DEE,discharge point of channeled river in the urban lagoon,and water from gasoline-contaminated marshland. After treatment in the DEE,the endocrine disruption effect was removed. The micronuclei frequency corroborated with the ALP results in most cases and proved to be a useful tool to assess genotoxicity in fish. The exposure time of 15 days was not enough to provoke morphological effects in most samples. However,in all gasoline-contaminated samples,the fishes showed an increase in the hepatosomatic index followed by a decrease in the gonadosomatic index. The tested biomarkers showed feasibility,sensibility,reproducibility,and were complementary in the assessment of chronic ecotoxicity; therefore,we recommend them to compose a suitable protocol for aquatic monitoring programs.

Keywords
alkali-labile phosphate, chronic toxicity, contaminated waters, endocrine disruption, estrogenicity
National Category
Environmental Sciences
Research subject
Natural Science, Environmental Science
Identifiers
urn:nbn:se:lnu:diva-55248 (URN)10.1080/10807039.2014.987027 (DOI)000356500000006 ()2-s2.0-84931577850 (Scopus ID)
Available from: 2016-08-11 Created: 2016-08-10 Last updated: 2017-11-28Bibliographically approved
Hansson, H., Kaczala, F., Marques, M. & Hogland, W. (2015). Photo-Fenton and Fenton Oxidation of Recalcitrant Wastewater from the Wooden Floor Industry. Water environment research, 87(6), 491-497
Open this publication in new window or tab >>Photo-Fenton and Fenton Oxidation of Recalcitrant Wastewater from the Wooden Floor Industry
2015 (English)In: Water environment research, ISSN 1061-4303, E-ISSN 1554-7531, Vol. 87, no 6, p. 491-497Article in journal (Refereed) Published
Abstract [en]

There is a need for development of on-site wastewater treatment technologies suitable to "dry-process'' industries, such as the wooden floor sector. Due to the nature of their activities, these industries generate low volumes of highly polluted and recalcitrant wastewaters due to washing and cleaning surfaces and machinery. Advanced oxidation processes such as Fenton and photo-Fenton are potentially feasible options for the treatment of wastewaters with not easily biodegradable pollutants. The wastewater from a wooden floor industry with initial COD value of 4956 mg/L and TOC value of 2730 mg/L was treated with Fenton (Fe/H2O2) and photo-Fenton (Fe/H2O2/UV) applying a 2-level full-factorial experimental design. The highest removals of COD and TOC (79% and 62% respectively) were achieved when photo-Fenton was applied. In conclusion, Fenton and photo-Fenton are promising treatment options for these highly recalcitrant wastewaters, photo-Fenton being a more promising option according to the results.

Keywords
photo-Fenton, Fenton, industrial wastewater, wooden floor industry
National Category
Environmental Sciences
Research subject
Natural Science, Environmental Science
Identifiers
urn:nbn:se:lnu:diva-46282 (URN)10.2175/106143015X14212658614559 (DOI)000355936700002 ()2-s2.0-84944057656 (Scopus ID)
Available from: 2015-09-14 Created: 2015-09-14 Last updated: 2018-05-17Bibliographically approved
Svensson, H., Ekstam, B., Marques, M. & Hogland, W. (2015). Removal of organic pollutants from oak leachate in pilot scale wetland systems: How efficient are aeration and vegetation treatments?. Water Research, 84, 120-126
Open this publication in new window or tab >>Removal of organic pollutants from oak leachate in pilot scale wetland systems: How efficient are aeration and vegetation treatments?
2015 (English)In: Water Research, ISSN 0043-1354, E-ISSN 1879-2448, Vol. 84, p. 120-126Article in journal (Refereed) Published
Abstract [en]

This study investigated the effects of aeration and/or vegetation in experimental constructed wetlands (CWs) as mesocosms on the removal of pollutants in oak wood leachate. Twelve outdoor wetland mesocosms, with randomized replicated treatment combinations of vegetation (Phragmites australis) and aeration was monitored during the second and third year after construction. The investigation included control tanks with no aeration and no vegetation. The parameters monitored were polyphenols (PPs), chemical oxygen demand (COD) and water colour. The reduction of COD after 28 days was approx. 50% and more than 50% of PPs, whereas only 40% of the water colour was removed. Aeration increased the effect of both COD and PP removal. The vegetation treatment had a small but significant effect on removal of COD. The vegetation + aeration treatment, as well as aeration alone, increased the removal efficiency of COD from 9.5 g m(-3) d(-1) in the control to 11 g m(-3) d(-1). The results suggest that CWs can be used to treat stormwater contaminated by oak wood leachate. Further, it is suggested that the main processes for removal of pollutants in the leachate occur in the open-water habitat and that the hydraulic retention time is more important for removal than aeration and vegetation related processes.

Keywords
Constructed wetland, Wood leachate, COD, Aeration
National Category
Environmental Sciences
Research subject
Natural Science, Environmental Science
Identifiers
urn:nbn:se:lnu:diva-46889 (URN)10.1016/j.watres.2015.07.017 (DOI)000362147400014 ()26218465 (PubMedID)2-s2.0-84937874543 (Scopus ID)
Available from: 2015-10-26 Created: 2015-10-26 Last updated: 2019-02-26Bibliographically approved
Svensson, H., Marques, M., Svensson, B.-M., Mårtensson, L., Bhatnagar, A. & Hogland, W. (2015). Treatment of wood leachate with high polyphenols content by peat and carbon-containing fly ash filters. Desalination and Water Treatment, 53(8), 2041-2048
Open this publication in new window or tab >>Treatment of wood leachate with high polyphenols content by peat and carbon-containing fly ash filters
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2015 (English)In: Desalination and Water Treatment, ISSN 1944-3994, E-ISSN 1944-3986, Vol. 53, no 8, p. 2041-2048Article in journal (Refereed) Published
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.

National Category
Environmental Sciences
Research subject
Natural Science, Environmental Science
Identifiers
urn:nbn:se:lnu:diva-31031 (URN)10.1080/19443994.2013.860883 (DOI)000349000700003 ()2-s2.0-84922771627 (Scopus ID)
Note

Correction published in: Svensson, H, Marques, M, Svensson, BM, Mårtensson, L, Bhatnagar, A,Hogland,W. 2015. Treatment of wood leachate with high polyphenols content by peat and carbon-containing fly ash filters (vol 53, pg 2041, 2015). Desalination and Water Treatment 54(1):V

Available from: 2013-12-07 Created: 2013-12-07 Last updated: 2019-01-23Bibliographically approved
Laohaprapanon, S., Marques, M. & Hogland, W. (2014). Anaerobic baffled reactor coupled with chemical precipitation for treatment and toxicity reduction of industrial wastewater. Environmental technology, 35(2), 154-162
Open this publication in new window or tab >>Anaerobic baffled reactor coupled with chemical precipitation for treatment and toxicity reduction of industrial wastewater
2014 (English)In: Environmental technology, ISSN 0959-3330, E-ISSN 1479-487X, Vol. 35, no 2, p. 154-162Article in journal (Refereed) Published
Abstract [en]

This study describes the reduction of soluble chemical oxygen demand (CODs) and the removal of dissolved organic carbon (DOC), formaldehyde (FA) and nitrogen from highly polluted wastewater generated during cleaning procedures in wood floor manufacturing using a laboratory-scale biological anaerobic baffled reactor followed by chemical precipitation using MgCl2·6H2O+Na2HPO4. By increasing the hydraulic retention time from 2.5 to 3.7 and 5 days, the reduction rates of FA, DOC and CODs of nearly 100%, 90% and 83%, respectively, were achieved. When the Mg:N:P molar ratio in the chemical treatment was changed from 1:1:1 to 1.3:1:1.3 at pH 8, the NH4+ removal rate increased from 80% to 98%. Biologically and chemically treated wastewater had no toxic effects on Vibrio fischeri and Artemia salina whereas chemically treated wastewater inhibited germination of Lactuca sativa owing to a high salt content. Regardless of the high conductivity of the treated wastewater, combined biological and chemical treatment was found to be effective for the removal of the organic load and nitrogen, and to be simple to operate and to maintain. A combined process such as that investigated could be useful for on-site treatment of low volumes of highly polluted wastewater generated by the wood floor and wood furniture industries, for which there is no suitable on-site treatment option available today.

Keywords
anaerobic baffled reactor, magnesium ammonium phosphate, toxicity assessment, ammonia removal, urea-formaldehyde wastewater
National Category
Engineering and Technology
Research subject
Environmental Science, Environmental technology
Identifiers
urn:nbn:se:lnu:diva-31133 (URN)10.1080/09593330.2013.821142 (DOI)000328469200004 ()2-s2.0-84897571734 (Scopus ID)
Funder
Knowledge Foundation
Available from: 2013-12-10 Created: 2013-12-10 Last updated: 2017-12-06Bibliographically approved
de Sa Salomao, A. L., Soroldoni, S., Marques, M., Hogland, W. & Bila, D. (2014). Effects of single and mixed estrogens on single and combined cultures of D. subspicatus and P. subcapitata. Bulletin of Environmental Contamination and Toxicology, 93(2), 215-221
Open this publication in new window or tab >>Effects of single and mixed estrogens on single and combined cultures of D. subspicatus and P. subcapitata
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2014 (English)In: Bulletin of Environmental Contamination and Toxicology, ISSN 0007-4861, E-ISSN 1432-0800, Vol. 93, no 2, p. 215-221Article in journal (Refereed) Published
Abstract [en]

This paper investigates the effect of estrone (E1), 17 beta-estradiol (E2) and 17 alpha-ethinylestradiol (EE2) individually and mixed at equal proportions (1:1:1) on Desmodesmus subspicatus and Pseudokirchneriella subcapitata in single and combined cultures (S+) at different exposure times basedon algal growth (in vivo chlorophyll fluorescence and cell counting) and coenobium formation. EE2 and E2 were more toxic to individual and combined (S+) cultures than was E1. The frequency of coenobium formation by D. subspicatus increased significantly for all estrogens and all concentrations. After 96 h, D. subspicatus prevailed in S+. The results of the exposure to E+ suggested a less-than-additive effecton D. subspicatus and S+ and additive effect on P. subcapitata. Toxic effects occurred for both species exposed to E+ with individual estrogen concentrations below the NOEC of each species. Assays must include changes in response due to the exposure of more than one species to more than one estrogen.

Keywords
Estrogens; Additive effect; Less than additive effect; Desmodesmus subspicatus; Pseudokirchneriella subcapitata
National Category
Environmental Sciences
Research subject
Natural Science, Environmental Science
Identifiers
urn:nbn:se:lnu:diva-33900 (URN)10.1007/s00128-014-1294-6 (DOI)000339104500016 ()2-s2.0-84904855463 (Scopus ID)
Available from: 2014-04-15 Created: 2014-04-15 Last updated: 2017-12-05Bibliographically approved
Hansson, H., Marques, M., Laohaprapanon, S. & Hogland, W. (2014). Electrocoagulation coupled to activated carbon sorption/filtration for treatment of cleaning wastewaters from wood-based industry. Desalination and Water Treatment, 52(28-30), 5243-5251
Open this publication in new window or tab >>Electrocoagulation coupled to activated carbon sorption/filtration for treatment of cleaning wastewaters from wood-based industry
2014 (English)In: Desalination and Water Treatment, ISSN 1944-3994, E-ISSN 1944-3986, Vol. 52, no 28-30, p. 5243-5251Article in journal (Refereed) Published
Abstract [en]

The objective of this investigation was to study the use of a coupled treatment (electrocoagulation(EC) and sorption/filtration treatment) with different sequencing to reduce the organic pollutantsmeasured as chemical oxygen demand (COD) of five highly polluted wastewater streamsgenerated after washing surfaces and machinery in the wooden floor industry and to evaluate,how different sequencing of these treatment units affects the overall system efficiency. On thebasis of preliminary studies, an EC reactor (1.0 L) was constructed with monopolar electrodes inparallel connection in an array of four Al electrodes with surface area of 93.2 cm2and an appliedcurrent density of 161 A m–2. This reactor was coupled to a sorption/filtration unit with coalactivated carbon. The EC reactor was tested in two different sequences (before and after the sorption/filtration unit). The overall COD reduction varied from 2% ± 0.5% to 77% ± 2.9%, dependingon the sequence and the treated wastewater stream. The best result from efficiency andoperational viewpoints was obtained with the EC reactor placed after the sorption/filtrationcolumn. The increase in efficiency is likely to be due to the removal by sorption in the activatedcarbon of compounds that interfere with EC. Additionally, as desired, the use of EC before thesorption unit extended the activated carbon lifetime.

Place, publisher, year, edition, pages
London: Taylor & Francis Group, 2014
Keywords
Cleaning wastewater; Electrocoagulation; Activated carbon; Wood-based industry
National Category
Environmental Sciences
Research subject
Natural Science, Environmental Science; Environmental Science, Environmental technology
Identifiers
urn:nbn:se:lnu:diva-27182 (URN)10.1080/19443994.2013.808582 (DOI)000341653300008 ()
Projects
Triple Helix Collaboration on Industrial Water Conservation in Småland and the Island
Funder
Knowledge Foundation
Available from: 2013-06-26 Created: 2013-06-26 Last updated: 2019-01-23Bibliographically approved
Kumar, E., Bhatnagar, A., Hogland, W., Marques, M. & Sillanpää, M. (2014). Interaction of anionic pollutants with Al-based adsorbents in aqueous media – A review. Chemical Engineering Journal, 241, 443-456
Open this publication in new window or tab >>Interaction of anionic pollutants with Al-based adsorbents in aqueous media – A review
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2014 (English)In: Chemical Engineering Journal, ISSN 1385-8947, E-ISSN 1873-3212, Vol. 241, p. 443-456Article in journal (Refereed) Published
Abstract [en]

Many anionic pollutants (e.g., fluoride, nitrate and nitrite, bromate, phosphate, arsenate and arsenite, selenate and selenite, perchlorate) have been detected in surface and groundwater in different parts of the world and strict measures are being taken to minimize their concentrations and to control their mobility in aqueous media. Mineral surfaces, in general, have shown enhanced uptake of many anionic pollutants. Various phases of aluminum (Al) oxides, hydroxides and oxyhydroxide are increasingly being employed as adsorbents for the detoxification of water and wastewater contaminated with anionic pollutants. Understanding the structural properties and morphology of adsorbents is important in order to gain knowledge about the governing mechanism behind the adsorption of anions by these adsorbents. The adsorption ability of aluminum oxides, hydroxides and oxyhydroxide depends on several key factors including properties of the adsorbent (surface area, pore size, pHpzc, porosity) and that of the adsorbates. This paper provides an overview of the physical and chemical properties of various aluminum oxides, hydroxides and oxyhydroxides and their application in water and wastewater treatment with the focus on the removal of anionic pollutants. Furthermore, the performance of these minerals and that of the synthetically prepared hybrid adsorbents (containing Al-minerals) for the adsorption of various anions has been reviewed with an emphasis on the behavior of adsorbent-water interface in presence of the anionic pollutants.

National Category
Environmental Engineering
Research subject
Environmental Science, Natural Resources Management
Identifiers
urn:nbn:se:lnu:diva-30746 (URN)10.1016/j.cej.2013.10.065 (DOI)000333720000049 ()2-s2.0-84894271521 (Scopus ID)
Available from: 2013-11-26 Created: 2013-11-26 Last updated: 2017-12-06Bibliographically approved
Organisations
Identifiers
ORCID iD: ORCID iD iconorcid.org/0000-0002-7920-8001

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