Treatment of Winery Wastewater Using Bench-Scale Columns Simulating Vertical Flow Constructed Wetlands with Adsorption Media

Wastewater produced during the wine-making process often contains an order of magnitude greater chemical oxygen demand (COD) concentration than is typical of domestic wastewater. This waste stream is also highly variable in flow and composition due to the seasonality of wine-making. The recent growt...

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Main Authors: Katelyn Skornia, Steven I. Safferman, Laura Rodriguez-Gonzalez, Sarina J. Ergas
Format: Article
Language:English
Published: MDPI AG 2020-02-01
Series:Applied Sciences
Subjects:
Online Access:https://www.mdpi.com/2076-3417/10/3/1063
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author Katelyn Skornia
Steven I. Safferman
Laura Rodriguez-Gonzalez
Sarina J. Ergas
author_facet Katelyn Skornia
Steven I. Safferman
Laura Rodriguez-Gonzalez
Sarina J. Ergas
author_sort Katelyn Skornia
collection DOAJ
description Wastewater produced during the wine-making process often contains an order of magnitude greater chemical oxygen demand (COD) concentration than is typical of domestic wastewater. This waste stream is also highly variable in flow and composition due to the seasonality of wine-making. The recent growth of small-scale wineries in cold climates and increasing regulations present a need for low-cost, easily-operable treatment systems that do not require large amounts of land, yet maintain a high level of treatment in cool temperatures. This research investigates the use of a subsurface vertical flow constructed wetland (SVFCW) to treat winery wastewater. In this study, clinoptilolite, tire chips, and a nano-enhanced iron foam were used to enhance bench-scale gravel cells to adsorb ammonia, nitrate, and phosphorus, respectively. The treatment systems, without nitrogen adsorption media, performed well, with >99% removal of COD and 94% removal of total nitrogen. Treatment systems with the nitrogen adsorption media did not enhance nitrogen removal. Equilibrium was reached within two weeks of start-up, regardless of prior inoculation, which suggests that microbes present in the winery wastewater are sufficient for the start-up of the wastewater treatment system; therefore, the seasonality of winery wastewater production will not substantially impact treatment. Operating the treatment systems under cool temperatures did not significantly impact COD or total nitrogen removal. Further, the use of nano-enhanced iron foam exhibited 99.8% removal of phosphorus, which resulted in effluent concentrations that were below 0.102 mg/L P.
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spelling doaj.art-1978742c5cf04e82b4b90d41184bee882022-12-21T20:26:15ZengMDPI AGApplied Sciences2076-34172020-02-01103106310.3390/app10031063app10031063Treatment of Winery Wastewater Using Bench-Scale Columns Simulating Vertical Flow Constructed Wetlands with Adsorption MediaKatelyn Skornia0Steven I. Safferman1Laura Rodriguez-Gonzalez2Sarina J. Ergas3Department of Biosystems and Agricultural Engineering, Michigan State University, East Lansing, MI 48824, USADepartment of Biosystems and Agricultural Engineering, Michigan State University, East Lansing, MI 48824, USADepartment of Civil and Environmental Engineering, University of South Florida, Tampa, FL 33620, USADepartment of Civil and Environmental Engineering, University of South Florida, Tampa, FL 33620, USAWastewater produced during the wine-making process often contains an order of magnitude greater chemical oxygen demand (COD) concentration than is typical of domestic wastewater. This waste stream is also highly variable in flow and composition due to the seasonality of wine-making. The recent growth of small-scale wineries in cold climates and increasing regulations present a need for low-cost, easily-operable treatment systems that do not require large amounts of land, yet maintain a high level of treatment in cool temperatures. This research investigates the use of a subsurface vertical flow constructed wetland (SVFCW) to treat winery wastewater. In this study, clinoptilolite, tire chips, and a nano-enhanced iron foam were used to enhance bench-scale gravel cells to adsorb ammonia, nitrate, and phosphorus, respectively. The treatment systems, without nitrogen adsorption media, performed well, with >99% removal of COD and 94% removal of total nitrogen. Treatment systems with the nitrogen adsorption media did not enhance nitrogen removal. Equilibrium was reached within two weeks of start-up, regardless of prior inoculation, which suggests that microbes present in the winery wastewater are sufficient for the start-up of the wastewater treatment system; therefore, the seasonality of winery wastewater production will not substantially impact treatment. Operating the treatment systems under cool temperatures did not significantly impact COD or total nitrogen removal. Further, the use of nano-enhanced iron foam exhibited 99.8% removal of phosphorus, which resulted in effluent concentrations that were below 0.102 mg/L P.https://www.mdpi.com/2076-3417/10/3/1063winery wastewaterconstructed wetlandcold weather wetlandvertical flow wetlandnutrient adsorption
spellingShingle Katelyn Skornia
Steven I. Safferman
Laura Rodriguez-Gonzalez
Sarina J. Ergas
Treatment of Winery Wastewater Using Bench-Scale Columns Simulating Vertical Flow Constructed Wetlands with Adsorption Media
Applied Sciences
winery wastewater
constructed wetland
cold weather wetland
vertical flow wetland
nutrient adsorption
title Treatment of Winery Wastewater Using Bench-Scale Columns Simulating Vertical Flow Constructed Wetlands with Adsorption Media
title_full Treatment of Winery Wastewater Using Bench-Scale Columns Simulating Vertical Flow Constructed Wetlands with Adsorption Media
title_fullStr Treatment of Winery Wastewater Using Bench-Scale Columns Simulating Vertical Flow Constructed Wetlands with Adsorption Media
title_full_unstemmed Treatment of Winery Wastewater Using Bench-Scale Columns Simulating Vertical Flow Constructed Wetlands with Adsorption Media
title_short Treatment of Winery Wastewater Using Bench-Scale Columns Simulating Vertical Flow Constructed Wetlands with Adsorption Media
title_sort treatment of winery wastewater using bench scale columns simulating vertical flow constructed wetlands with adsorption media
topic winery wastewater
constructed wetland
cold weather wetland
vertical flow wetland
nutrient adsorption
url https://www.mdpi.com/2076-3417/10/3/1063
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