Screening of two freshwater green microalgae in pulp and paper mill wastewater effluents in Nova Scotia, Canada

In recent years, the use of microalgae as feedstock for many marketable products, such as animal/aqua feeds, bioplastics and fertilizers, has gained renewed interest due to their fast growth potential coupled with relatively high lipid, carbohydrate and nutrient content. An algal biorefinery at an i...

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Autores principales:	Shabana Bhatti, Robert Richards, Patrick McGinn
Formato:	article
Lenguaje:	EN
Publicado:	IWA Publishing 2021
Materias:	effluents green algae microalgae pulp and paper industry remediation wastewater Environmental technology. Sanitary engineering TD1-1066
Acceso en línea:	https://doaj.org/article/5f34de976f8c4b69b1b9a869ce421d5c
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spelling	oai:doaj.org-article:5f34de976f8c4b69b1b9a869ce421d5c2021-11-06T10:52:49ZScreening of two freshwater green microalgae in pulp and paper mill wastewater effluents in Nova Scotia, Canada0273-12231996-973210.2166/wst.2021.001https://doaj.org/article/5f34de976f8c4b69b1b9a869ce421d5c2021-03-01T00:00:00Zhttp://wst.iwaponline.com/content/83/6/1483https://doaj.org/toc/0273-1223https://doaj.org/toc/1996-9732In recent years, the use of microalgae as feedstock for many marketable products, such as animal/aqua feeds, bioplastics and fertilizers, has gained renewed interest due to their fast growth potential coupled with relatively high lipid, carbohydrate and nutrient content. An algal biorefinery at an industrial site has the potential to sustainably and profitably convert carbon dioxide emissions into microalgal biomass and concomitantly reduce nitrogen and phosphorus from wastewaters. Industrial wastewaters are a potential alternative to traditional media used for large-scale microalgal cultivation. Pulp and paper mills are major consumers of water resources and discharge a huge amount of water to nearby lakes or rivers. This study investigated whether pulp and paper mill waste water is suitable for microalgal cultivation with the aim of achieving significant biomass production. Six different process waters from one Canadian pulp and paper mill were tested with two freshwater green microalgae. All of these waters were unable to support growth of microalgae due to inadequate nutrient concentrations, colour, turbidity and possible toxicity issues. HIGHLIGHTS Two freshwater microalgae strains were screened for potential growth on pulp and paper effluents.; Pulp and paper wastewater effluents were unable to support growth of the microalgae.; Chemical residues from the pulping process, such as peroxide and tannin, may inhibit algal growth.;Shabana BhattiRobert RichardsPatrick McGinnIWA Publishingarticleeffluentsgreen algaemicroalgaepulp and paper industryremediationwastewaterEnvironmental technology. Sanitary engineeringTD1-1066ENWater Science and Technology, Vol 83, Iss 6, Pp 1483-1498 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	effluents green algae microalgae pulp and paper industry remediation wastewater Environmental technology. Sanitary engineering TD1-1066
spellingShingle	effluents green algae microalgae pulp and paper industry remediation wastewater Environmental technology. Sanitary engineering TD1-1066 Shabana Bhatti Robert Richards Patrick McGinn Screening of two freshwater green microalgae in pulp and paper mill wastewater effluents in Nova Scotia, Canada
description	In recent years, the use of microalgae as feedstock for many marketable products, such as animal/aqua feeds, bioplastics and fertilizers, has gained renewed interest due to their fast growth potential coupled with relatively high lipid, carbohydrate and nutrient content. An algal biorefinery at an industrial site has the potential to sustainably and profitably convert carbon dioxide emissions into microalgal biomass and concomitantly reduce nitrogen and phosphorus from wastewaters. Industrial wastewaters are a potential alternative to traditional media used for large-scale microalgal cultivation. Pulp and paper mills are major consumers of water resources and discharge a huge amount of water to nearby lakes or rivers. This study investigated whether pulp and paper mill waste water is suitable for microalgal cultivation with the aim of achieving significant biomass production. Six different process waters from one Canadian pulp and paper mill were tested with two freshwater green microalgae. All of these waters were unable to support growth of microalgae due to inadequate nutrient concentrations, colour, turbidity and possible toxicity issues. HIGHLIGHTS Two freshwater microalgae strains were screened for potential growth on pulp and paper effluents.; Pulp and paper wastewater effluents were unable to support growth of the microalgae.; Chemical residues from the pulping process, such as peroxide and tannin, may inhibit algal growth.;
format	article
author	Shabana Bhatti Robert Richards Patrick McGinn
author_facet	Shabana Bhatti Robert Richards Patrick McGinn
author_sort	Shabana Bhatti
title	Screening of two freshwater green microalgae in pulp and paper mill wastewater effluents in Nova Scotia, Canada
title_short	Screening of two freshwater green microalgae in pulp and paper mill wastewater effluents in Nova Scotia, Canada
title_full	Screening of two freshwater green microalgae in pulp and paper mill wastewater effluents in Nova Scotia, Canada
title_fullStr	Screening of two freshwater green microalgae in pulp and paper mill wastewater effluents in Nova Scotia, Canada
title_full_unstemmed	Screening of two freshwater green microalgae in pulp and paper mill wastewater effluents in Nova Scotia, Canada
title_sort	screening of two freshwater green microalgae in pulp and paper mill wastewater effluents in nova scotia, canada
publisher	IWA Publishing
publishDate	2021
url	https://doaj.org/article/5f34de976f8c4b69b1b9a869ce421d5c
work_keys_str_mv	AT shabanabhatti screeningoftwofreshwatergreenmicroalgaeinpulpandpapermillwastewatereffluentsinnovascotiacanada AT robertrichards screeningoftwofreshwatergreenmicroalgaeinpulpandpapermillwastewatereffluentsinnovascotiacanada AT patrickmcginn screeningoftwofreshwatergreenmicroalgaeinpulpandpapermillwastewatereffluentsinnovascotiacanada
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Screening of two freshwater green microalgae in pulp and paper mill wastewater effluents in Nova Scotia, Canada

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