Constructed Wetlands: An Emerging Green Technology for the Treatment of Industrial Wastewaters

Kumar, M. Dinesh; Gopikumar, S.; Uan, Do Khac; Adishkumar, S.; Banu, J. Rajesh

doi:10.1007/978-981-15-1390-9_2

Cited by 7 publications

(4 citation statements)

References 93 publications

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“…The efficiencies report 60% because the removal process of this nutrient depends to a great extent on the bacteria present in the plant. Dissolved organic phosphorus, particulate organic phosphorus, and insoluble phosphorus are not available to plants unless they are transformed into soluble inorganic phosphorus 41 , 44 . In the E. crassipes wetland, these transformations can occur through the intervention of bacteria associated with the roots and in biofilms in the sediments.…”

Section: Resultsmentioning

confidence: 99%

Design of a sustainable system for wastewater treatment and generation of biofuels based on the biomass of the aquatic plant Eichhornia Crassipes

Sayago,

Gómez-Caicedo,

Mercado Suárez

2024

Sci Rep

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Colombia’s continuous contamination of water resources and the low alternatives to produce biofuels have affected the fulfillment of the objectives of sustainable development, deteriorating the environment and affecting the economic productivity of this country. Due to this reality, projects on environmental and economic sustainability, phytoremediation, and the production of biofuels such as ethanol and hydrogen were combined. The objective of this article was to design and develop a sustainable system for wastewater treatment and the generation of biofuels based on the biomass of the aquatic plant Eichhornia crassipes. A system that simulates an artificial wetland with live E. crassipes plants was designed and developed, removing organic matter contaminants; subsequently, and continuing the sustainability project, bioreactors were designed, adapted, and started up to produce bioethanol and biohydrogen with the hydrolyzed biomass used in the phytoremediation process, generating around 12 g/L of bioethanol and around 81 ml H2/g. The proposed research strategy suggests combining two sustainable methods, bioremediation and biofuel production, to preserve the natural beauty of water systems and their surroundings.

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Section: Resultsmentioning

confidence: 99%

Design of a sustainable system for wastewater treatment and generation of biofuels based on the biomass of the aquatic plant Eichhornia Crassipes

Sayago,

Gómez-Caicedo,

Mercado Suárez

2024

Sci Rep

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“…An interesting feature associated with CWs is that wastewater undergoes various biological, chemical, and physical interaction and conversions as it comes in contact with different media, roots of plants, and a network of biofilms (Saeed & Khan, 2019). Major mechanisms involved in eliminating organic and inorganic pollutant are adsorption, volatilization, extraction, sedimentation, rhizofiltration, and microbial degradation (Dinesh Kumar et al., 2020).…”

Section: Emerging Methods For Mixed Industrial Wastewater Treatmentmentioning

confidence: 99%

“…Long‐term operation is an essential requirement while implementing CWs in any treatment strategy. It depends upon water quality, organic loading rate, which a plant can tolerate, pH, temperature, and different seasons (Dinesh Kumar et al., 2020; Wu et al., 2015b).…”

Section: Emerging Methods For Mixed Industrial Wastewater Treatmentmentioning

confidence: 99%

Emerging technologies for mixed industrial wastewater treatment in developing countries: An overview

Nidheesh

Ravindran

Gopinath

et al. 2021

Environmental Quality Mgmt

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Treatment of mixed industrial wastewater is a great challenge in common effluent treatment plants due to the complex nature of wastewater from different industries. This review outlines the emerging technologies adopted for mixed industrial wastewater treatment in developing nations. The potential for integrating two or more technologies to enhance treatment efficiency is also addressed. Major issues associated with mixed industrial wastewater treatment were found to be low biodegradable nature and presence of toxic compounds in wastewater. Moreover, the composition of wastewater fluctuates and differs significantly from the composition considered during the design of common effluent treatment plants. Biological methods, constructed wetlands, membrane separation methods, electrochemical methods, and advanced oxidation processes are some of the techniques that have been applied for the treatment of mixed industrial wastewater. Advanced oxidation process–based treatment methods were found to be very efficient as the process was able to improve biodegradability and reduce toxicity levels of wastewater along with a significant reduction in organic carbon. Among the biological methods and constructed wetlands, hybrid or integrated technologies were found effective to reduce the contamination level of wastewater. Implementation, operation, and maintenance of technologies mentioned above in a real field would be the thrust areas for future research.

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“…In recent years, constructed wetlands have gained popularity, as an emerging green technology for the treatment of industrial wastewaters [95,96]. Constructed wetlands are artificial wetlands that mimic a set of biological, physicochemical, and chemical processes that occur in natural wetlands to treat industrial wastewater, urban wastewater, and landfill leachate.…”

Section: Theory and Applicationsmentioning

confidence: 99%

Integrated Process of Immediate One-Step Lime Precipitation, Atmospheric Carbonation, Constructed Wetlands, or Adsorption for Industrial Wastewater Treatment: A Review

Madeira,

Carvalho,

Almeida

et al. 2023

Water

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The transition from the linear economy paradigm to the circular economy in industrial wastewater treatment systems is on the global agenda. The search for new simple, eco-innovative, and low-cost processes for treating industrial wastewater, which can also be used by small and medium-sized industries, has been a constant challenge especially when environmental sustainability is considered. So, a new integrated industrial wastewater treatment system has been developed that includes the immediate one-step lime precipitation process (IOSLM) and atmospheric carbonation (AC), followed by constructed wetlands (CWs) or adsorption. The current review provides an overview of industrial wastewater treatment strategies for high- and low-biodegradable wastewater. A background on functionality, applicability, advantages and disadvantages, operating variables, removal mechanisms, main challenges, and recent advances are carried out for each process that makes up the IOSLM+AC+CW/adsorption integrated system. The prospects of the IOSLM+AC+CW/adsorption integrated system are also discussed. Not neglecting the improvements that still need to be made in the integrated treatment system as well as its application to various types of industrial wastewater, this review highlights that this treatment system is promising in industrial wastewater treatment and consequent by-product recovery. The IOSLM+AC integrated system showed that it can remove high amounts of organic matter, total suspended solids, oils and fats, phosphorus, and ammonium nitrogen from industrial effluents. On the other hand, constructed wetlands/adsorption can be alternatives for refining effluents still containing organic matter and nitrogen that were not possible to remove in the previous steps.

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Constructed Wetlands: An Emerging Green Technology for the Treatment of Industrial Wastewaters

Cited by 7 publications

References 93 publications

Design of a sustainable system for wastewater treatment and generation of biofuels based on the biomass of the aquatic plant Eichhornia Crassipes

Design of a sustainable system for wastewater treatment and generation of biofuels based on the biomass of the aquatic plant Eichhornia Crassipes

Emerging technologies for mixed industrial wastewater treatment in developing countries: An overview

Integrated Process of Immediate One-Step Lime Precipitation, Atmospheric Carbonation, Constructed Wetlands, or Adsorption for Industrial Wastewater Treatment: A Review

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