Suitability of nutrients removal from brewery wastewater using a hydroponic technology with Typha latifolia

Abstract

BackgroundThis study aims to assess suitability of hydroponic technology for treatment of brewery wastewater in a hydroponic bioreactor using Typha latifolia. Triplicated hydroponic bioreactor treatment units were designed, constructed and operated at a hydraulic retention time of 5 days with different surface loadings and mean hydraulic loading rate 0.023 m3 m−2d− 1. Young T. latifolia shoots were collected in the vicinity of study site. Wastewater characteristics, plant growth and nutrient accumulation during experiment were analyzed as per APHA standard methods and nutrient removal efficiency was evaluated based on inlet and outlet values.ResultsT. latifolia established and grew well in the hydroponics under fluctuations of wastewater loads and showed a good phytoremedial capacity to remove nutrients. Significant removal efficiencies (p < 0.05) varied between 54 and 80% for Total Kjeldahl Nitrogen, 42 and 65% for NH4+ -N, 47 and 58% for NO3− -N, and 51 and 70% for PO43−-P. The system improved the removal up to 29% compared to control and produced biomass of 0.61–0.86 kg dry weight (DW) m− 2. Nutrients retained were up to 21.17 g N kg− 1 DW and 2.87 g P kg− 1 DW.ConclusionThe significant nutrients reduction obtained and production of biomass led us to conclude that hydroponics technology using T. latifolia has suitability potential for treatment of brewery wastewater and similar agro-industrial wastewaters. Thus it could be considered as a promising eco-friendly option for wastewater treatment to mitigate water pollution. Integration of treatment and production of biomass needs further improvement.

Research on brewery wastewater treatment by lab scale constructed wetlands

“…In general, TP treatment efficiency tends to increase with sampling times, the highest efficiency is 76% (Colocasia esculenta) and 74% (Caladium bicolor) and only about 29% compared to the blank model. The results are similar with the result of [21] treatment brewery wastewater with Typha latifolia.…”

“…To that end, biological processes are considered to play a major role. Bioremediation uses beneficial microorganisms [17][18][19] and plants [20][21][22][23] to degrade, reduce or detoxify pollutants.…”

“…Wetland wastewater treatment model is a method with many advantages, especially it is very suitable for Vietnamese conditions due to low construction and operating costs [20][21][22][23]. Mechanisms of wastewater treatment of wetlands include sedimentation, precipitation, chemisorption, microbial metabolism, and plant uptake [11].…”

Evaluation of the Application of Wastewater and Bioventing System for the Treatment of Crude Oil Contaminated Soils

“…Reference [18] reported that the use of organic nutrient also serves to immobilize oil-degrading strains which consume these substrates and transform them into usable biomass for hydrogenase. However, the appreciable TPH removal efficiency of 58.39% recorded by treatments amended with BWW (BST-1) when compared to BST-5 (MWW) (56.62%) can be attributed to the high nutrient content present in brewery wastewater which accounts for the substantial microbial load in BWW [18][19][20][21][22], required for enhanced biodegradation of crude oil [18]. This also explains the slight variation in the removal efficiencies recorded with the mixed substrates (BST-2, 3 & 4) with an average removal efficiency of 49.05%.…”

Investigating the capacity of hydroponic system using lettuce (Lactuca sativa L.) in the removal of pollutants from greywater while ensuring food security

“…On the other hand, the removal efficiency of NO3was higher than those NH4 + and TP in this present study. High removal rate of NO3could be attributed to microorganisms break down inorganic nitrogen mostly through the process of denitrification which converts nitrate to nitrogen gas, resulting so in the removal of nitrate (Gebeyehu et al, 2018). Furthermore, the average pH of raw greywater was 8, which is the optimum pH level, to contribute the nutrient removal through ammonification, nitrification and (Lee et al, 2009).…”