Life cycle assessment of microalgae systems for wastewater treatment and bioproducts recovery: Natural pigments, biofertilizer and biogas
The aim of this study was to assess the potential environmental impacts associated with microalgae systems for wastewater treatment and bioproducts recovery. In this sense, a Life Cycle Assessment was carried out evaluating two systems treating i) urban wastewater and ii) industrial wastewater (from...
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| Veröffentlicht in: | The Science of the total environment 2022-11, Vol.847, p.157615-157615, Article 157615 |
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| container_title | The Science of the total environment |
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| creator | Arashiro, Larissa T. Josa, Irene Ferrer, Ivet Van Hulle, Stijn W.H. Rousseau, Diederik P.L. Garfí, Marianna |
| description | The aim of this study was to assess the potential environmental impacts associated with microalgae systems for wastewater treatment and bioproducts recovery. In this sense, a Life Cycle Assessment was carried out evaluating two systems treating i) urban wastewater and ii) industrial wastewater (from a food industry), with the recovery of bioproducts (i.e. natural pigments and biofertilizer) and bioenergy (i.e. biogas). Additionally, both alternatives were compared to iii) a conventional system using a standard growth medium for microalgae cultivation in order to show the potential benefits of using wastewater compared to typical cultivation approaches. The results indicated that the system treating industrial wastewater with unialgal culture had lower environmental impacts than the system treating urban wastewater with mixed cultures. Bioproducts recovery from microalgae wastewater treatment systems can reduce the environmental impacts up to 5 times compared to a conventional system using a standard growth medium. This was mainly due to the lower chemicals consumption for microalgae cultivation. Food-industry effluent showed to be the most promising scenario for bioproducts recovery from microalgae treating wastewater, because of its better quality compared to urban wastewater which also allows the cultivation of a single microalgae species. In conclusion, microalgae wastewater treatment systems are a promising solution not only for wastewater treatment but also to boost the circular bioeconomy in the water sector through microalgae-based product recovery.
[Display omitted]
•Environmental impact of microalgae systems for bioproducts recovery was evaluated.•Microalgae systems used urban, food-industry wastewater and standard growth medium.•Wastewater involves lower environmental impacts compared to standard growth medium.•Food-industry effluent was the best scenario for microalgae-based products recovery. |
| doi_str_mv | 10.1016/j.scitotenv.2022.157615 |
| format | Article |
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[Display omitted]
•Environmental impact of microalgae systems for bioproducts recovery was evaluated.•Microalgae systems used urban, food-industry wastewater and standard growth medium.•Wastewater involves lower environmental impacts compared to standard growth medium.•Food-industry effluent was the best scenario for microalgae-based products recovery.</description><identifier>ISSN: 0048-9697</identifier><identifier>EISSN: 1879-1026</identifier><identifier>DOI: 10.1016/j.scitotenv.2022.157615</identifier><language>eng</language><publisher>Elsevier B.V</publisher><subject>Bioproducts ; Environmental impact assessment ; Life cycle assessment ; Microalgae ; Wastewater</subject><ispartof>The Science of the total environment, 2022-11, Vol.847, p.157615-157615, Article 157615</ispartof><rights>2022 Elsevier B.V.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c397t-bdf106eaea97c4f0f88f2e3c32a3ebf063f8d114ac498e42a6bcc892933f14313</citedby><cites>FETCH-LOGICAL-c397t-bdf106eaea97c4f0f88f2e3c32a3ebf063f8d114ac498e42a6bcc892933f14313</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0048969722047131$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27903,27904,65309</link.rule.ids></links><search><creatorcontrib>Arashiro, Larissa T.</creatorcontrib><creatorcontrib>Josa, Irene</creatorcontrib><creatorcontrib>Ferrer, Ivet</creatorcontrib><creatorcontrib>Van Hulle, Stijn W.H.</creatorcontrib><creatorcontrib>Rousseau, Diederik P.L.</creatorcontrib><creatorcontrib>Garfí, Marianna</creatorcontrib><title>Life cycle assessment of microalgae systems for wastewater treatment and bioproducts recovery: Natural pigments, biofertilizer and biogas</title><title>The Science of the total environment</title><description>The aim of this study was to assess the potential environmental impacts associated with microalgae systems for wastewater treatment and bioproducts recovery. In this sense, a Life Cycle Assessment was carried out evaluating two systems treating i) urban wastewater and ii) industrial wastewater (from a food industry), with the recovery of bioproducts (i.e. natural pigments and biofertilizer) and bioenergy (i.e. biogas). Additionally, both alternatives were compared to iii) a conventional system using a standard growth medium for microalgae cultivation in order to show the potential benefits of using wastewater compared to typical cultivation approaches. The results indicated that the system treating industrial wastewater with unialgal culture had lower environmental impacts than the system treating urban wastewater with mixed cultures. Bioproducts recovery from microalgae wastewater treatment systems can reduce the environmental impacts up to 5 times compared to a conventional system using a standard growth medium. This was mainly due to the lower chemicals consumption for microalgae cultivation. Food-industry effluent showed to be the most promising scenario for bioproducts recovery from microalgae treating wastewater, because of its better quality compared to urban wastewater which also allows the cultivation of a single microalgae species. In conclusion, microalgae wastewater treatment systems are a promising solution not only for wastewater treatment but also to boost the circular bioeconomy in the water sector through microalgae-based product recovery.
[Display omitted]
•Environmental impact of microalgae systems for bioproducts recovery was evaluated.•Microalgae systems used urban, food-industry wastewater and standard growth medium.•Wastewater involves lower environmental impacts compared to standard growth medium.•Food-industry effluent was the best scenario for microalgae-based products recovery.</description><subject>Bioproducts</subject><subject>Environmental impact assessment</subject><subject>Life cycle assessment</subject><subject>Microalgae</subject><subject>Wastewater</subject><issn>0048-9697</issn><issn>1879-1026</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><recordid>eNqFkE1vEzEQhi1EJULb34CPHNjgj613za2q-JIiuNCzNfGOI0e76-BxUoV_wL_GSyqu-DI-PO-rmYexN1KspZDm_X5NPpZUcD6tlVBqLe86I-9esJXsO9tIocxLthKi7RtrbPeKvSbai_q6Xq7Y700MyP3Zj8iBCIkmnAtPgU_R5wTjDpDTmQpOxEPK_Anq_wkKZl4yQvmLwzzwbUyHnIajL8Qz-nTCfP7Av0E5Zhj5Ie4Wkt4tXMBc4hh_1Y7n5A7ohl0FGAlvn-c1e_z08cfDl2bz_fPXh_tN47XtSrMdghQGAcF2vg0i9H1QqL1WoHEbhNGhH6Rswbe2x1aB2XrfW2W1DrLVUl-zt5feuu3PI1JxUySP4wgzpiM5ZazpjTSdrWh3QasJoozBHXKcIJ-dFG6R7_bun3y3yHcX-TV5f0liveQUMS8czh6HWN0UN6T4344_vNmW2g</recordid><startdate>20221115</startdate><enddate>20221115</enddate><creator>Arashiro, Larissa T.</creator><creator>Josa, Irene</creator><creator>Ferrer, Ivet</creator><creator>Van Hulle, Stijn W.H.</creator><creator>Rousseau, Diederik P.L.</creator><creator>Garfí, Marianna</creator><general>Elsevier B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>20221115</creationdate><title>Life cycle assessment of microalgae systems for wastewater treatment and bioproducts recovery: Natural pigments, biofertilizer and biogas</title><author>Arashiro, Larissa T. ; Josa, Irene ; Ferrer, Ivet ; Van Hulle, Stijn W.H. ; Rousseau, Diederik P.L. ; Garfí, Marianna</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c397t-bdf106eaea97c4f0f88f2e3c32a3ebf063f8d114ac498e42a6bcc892933f14313</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Bioproducts</topic><topic>Environmental impact assessment</topic><topic>Life cycle assessment</topic><topic>Microalgae</topic><topic>Wastewater</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Arashiro, Larissa T.</creatorcontrib><creatorcontrib>Josa, Irene</creatorcontrib><creatorcontrib>Ferrer, Ivet</creatorcontrib><creatorcontrib>Van Hulle, Stijn W.H.</creatorcontrib><creatorcontrib>Rousseau, Diederik P.L.</creatorcontrib><creatorcontrib>Garfí, Marianna</creatorcontrib><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>The Science of the total environment</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Arashiro, Larissa T.</au><au>Josa, Irene</au><au>Ferrer, Ivet</au><au>Van Hulle, Stijn W.H.</au><au>Rousseau, Diederik P.L.</au><au>Garfí, Marianna</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Life cycle assessment of microalgae systems for wastewater treatment and bioproducts recovery: Natural pigments, biofertilizer and biogas</atitle><jtitle>The Science of the total environment</jtitle><date>2022-11-15</date><risdate>2022</risdate><volume>847</volume><spage>157615</spage><epage>157615</epage><pages>157615-157615</pages><artnum>157615</artnum><issn>0048-9697</issn><eissn>1879-1026</eissn><abstract>The aim of this study was to assess the potential environmental impacts associated with microalgae systems for wastewater treatment and bioproducts recovery. In this sense, a Life Cycle Assessment was carried out evaluating two systems treating i) urban wastewater and ii) industrial wastewater (from a food industry), with the recovery of bioproducts (i.e. natural pigments and biofertilizer) and bioenergy (i.e. biogas). Additionally, both alternatives were compared to iii) a conventional system using a standard growth medium for microalgae cultivation in order to show the potential benefits of using wastewater compared to typical cultivation approaches. The results indicated that the system treating industrial wastewater with unialgal culture had lower environmental impacts than the system treating urban wastewater with mixed cultures. Bioproducts recovery from microalgae wastewater treatment systems can reduce the environmental impacts up to 5 times compared to a conventional system using a standard growth medium. This was mainly due to the lower chemicals consumption for microalgae cultivation. Food-industry effluent showed to be the most promising scenario for bioproducts recovery from microalgae treating wastewater, because of its better quality compared to urban wastewater which also allows the cultivation of a single microalgae species. In conclusion, microalgae wastewater treatment systems are a promising solution not only for wastewater treatment but also to boost the circular bioeconomy in the water sector through microalgae-based product recovery.
[Display omitted]
•Environmental impact of microalgae systems for bioproducts recovery was evaluated.•Microalgae systems used urban, food-industry wastewater and standard growth medium.•Wastewater involves lower environmental impacts compared to standard growth medium.•Food-industry effluent was the best scenario for microalgae-based products recovery.</abstract><pub>Elsevier B.V</pub><doi>10.1016/j.scitotenv.2022.157615</doi><tpages>1</tpages><oa>free_for_read</oa></addata></record> |
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| source | Elsevier ScienceDirect Journals |
| subjects | Bioproducts Environmental impact assessment Life cycle assessment Microalgae Wastewater |
| title | Life cycle assessment of microalgae systems for wastewater treatment and bioproducts recovery: Natural pigments, biofertilizer and biogas |
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