Amendment Of Constructed Wetland Substrates With Iron Hydroxide Coatings For Enhanced Removal Of Phosphorus

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Amendment of Constructed Wetland Substrates with Iron (hydr)oxide Coatings for Enhanced Removal of Phosphorus

Author : Radu Lungu
Publisher :
ISBN 13 :
Total Pages : 152 pages
Book Rating : 4.:/5 (235 download)

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Book Synopsis Amendment of Constructed Wetland Substrates with Iron (hydr)oxide Coatings for Enhanced Removal of Phosphorus by : Radu Lungu

Download or read book Amendment of Constructed Wetland Substrates with Iron (hydr)oxide Coatings for Enhanced Removal of Phosphorus written by Radu Lungu and published by . This book was released on 1996 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt: Several small-scale laboratory studies have been performed on phosphorus (P) removal from solution by oxides and hydroxides ofiron. The capacity ofthese oxides and hydroxides to bond phosphate has been recognized for a long time. In recent years, investigations concerning possible use ofthese compounds in constructed systems designed to lower the levels of phosphorus in domestic wastewater have been performed. The focus has been mainly directed towards the use ofhydrous ferric oxides in constructed wetlands and advanced wastewater treatment systems. The objectives ofthis study were to qualitatively and quantitatively characterize phosphorus bonding by hydrous ferric oxides and to simulate a constructed system for removal of orthophosphates. Two approaches were used in the simulated system: 1. Deposition of ferric hydroxide on media (sand or gravel) 2. A composite system formed by mixing of an iron containing material (mill scale) with gravel. Different methods to coat the media were also investigated, and isotherm experiments characterizing the adsorption of phosphorus by ferric hydroxide and mill scale were performed. A synthetic water containing orthophosphates was used as an influent for the constructed system (laboratory column) and the levels ofphosphorus were determined in the effiuent over an extended time period. Both systems (coated media and composite media) showed a phosphorus removal capacity of 50 to 75% from a 5 - 10 mg/L P feed solution. Difficulties in realizing a large simulated coated system have limited exhaustive conclusions concerning application of such a system in a constructed wetland. Leaching of zinc and iron from the gravel mill scale composite system may impose limitations on the use of such a system for the removal of phosphorus. However. based on the results of this study, both coated and composite systems appear promising and warrant further investigation.

Efficacy and Mechanisms of P Removal by Four Constructed Wetland Substrates

Author : Cynthia Maressa Hill
Publisher :
ISBN 13 :
Total Pages : 246 pages
Book Rating : 4.E/5 ( download)

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Book Synopsis Efficacy and Mechanisms of P Removal by Four Constructed Wetland Substrates by : Cynthia Maressa Hill

Download or read book Efficacy and Mechanisms of P Removal by Four Constructed Wetland Substrates written by Cynthia Maressa Hill and published by . This book was released on 2003 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Integrated and Hybrid Process Technology for Water and Wastewater Treatment

Author : Abdul Wahab Mohammad
Publisher : Elsevier
ISBN 13 : 0128230568
Total Pages : 698 pages
Book Rating : 4.1/5 (282 download)

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Book Synopsis Integrated and Hybrid Process Technology for Water and Wastewater Treatment by : Abdul Wahab Mohammad

Download or read book Integrated and Hybrid Process Technology for Water and Wastewater Treatment written by Abdul Wahab Mohammad and published by Elsevier. This book was released on 2021-08-25 with total page 698 pages. Available in PDF, EPUB and Kindle. Book excerpt: Tackling the issue of water and wastewater treatment nowadays requires novel approaches to ensure that sustainable development can be achieved. Water and wastewater treatment should not be seen only as an end-of-pipe solution but instead the approach should be more holistic and lead to a more sustainable process. This requires the integration of various methods/processes to obtain the most optimized design. Integrated and Hybrid Process Technology for Water and Wastewater Treatment discusses the state-of-the-art development in integrated and hybrid treatment processes and their applications to the treatment of a vast variety of water and wastewater sources. The approaches taken in this book are categorized as (i) resources recovery and consumption, (ii) optimal performance, (iii) physical and environmental footprints, (iv) zero liquid discharge concept and are (v) regulation-driven. Through these categories, readers will see how such an approach could benefit the water and wastewater industry. Each chapter discusses challenges and prospects of an integrated treatment process in achieving sustainable development. This book serves as a platform to provide ideas and to bridge the gap between laboratory-scale research and practical industry application. Includes comprehensive coverage on integrated and hybrid technology for water and wastewater treatment Takes a new approach in looking at how water and wastewater treatment contributes to sustainable development Provides future direction of research in sustainable water and wastewater treatment

Efficacy and Mechanisms of Phosphorus Removal by Four Constructed Wetland Substrates: Influence of Season, Load, and Substrate

Author : Cynthia Maressa Hill
Publisher :
ISBN 13 : 9780493961439
Total Pages : 118 pages
Book Rating : 4.9/5 (614 download)

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Book Synopsis Efficacy and Mechanisms of Phosphorus Removal by Four Constructed Wetland Substrates: Influence of Season, Load, and Substrate by : Cynthia Maressa Hill

Download or read book Efficacy and Mechanisms of Phosphorus Removal by Four Constructed Wetland Substrates: Influence of Season, Load, and Substrate written by Cynthia Maressa Hill and published by . This book was released on 2003 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt: While constructed wetlands can be a cost-effective method for reducing the export of P from agricultural ecosystems, removal rates vary depending on the wastestream, the substrate, the climate, and the load of nutrients. The objectives of this research were to evaluate substrates that could improve soluble P removal in treatment wetlands, to compare their efficacy both seasonally and under varying loading regimes, and to test the substrates in the laboratory for P adsorption and desorption properties. To compare four substrates for removing soluble P from dairy barnyard run-off, eight 55 m2 subsurface wetland cells were built on ELVI Farms, an 800-head dairy farm in Newark, NY, USA. The four media were (1) a fine loamy, mixed, mesic Glossic Hapludalf, (2) crushed limestone, (3) Norlite (lightweight coarse aggregates of fired shale), and (4) wollastonite (calcium metasilicate) mining tailings. Influent P concentrations in the growing season dropped to 2.9 mg/L, while concentrations in the dormant season rose gradually to a peak of 28.5 mg/L. No significant difference was found in percent removal of soluble P across seasons: neither higher loads nor freezing conditions curtailed removal of P from this wastestream. Over 1.5 years, the ranking of the substrates, from best to worst, was soil (53% P removal)> Norlite (34%)> wollastonite tailings (13%)> limestone (4%). In the laboratory, the ranking of P removal was different: wollastonite> limestone> soil> Norlite. This variation between field and laboratory results may be explained mechanistically. In the laboratory, for soil and Norlite, the mechanism of P removal was adsorption; for wollastonite and limestone, the mechanism was precipitation of calcium phosphates. In the field, however, adsorption was the primary mechanism for all four substrates: precipitation did not occur in the limestone and wollastonite beds, probably because humic, fulvic and phytic acids interfered with the growth of octacalcium phosphate crystals. It is recommended that ELVI Farms use soil, the most adsorptive of the four substrates, as a P purification medium. The design of the treatment system, however, must be changed to accommodate the hydraulic limitations of the soil, which clogged within eleven months.

Treatment Wetlands

Author : Gabriela Dotro
Publisher : IWA Publishing
ISBN 13 : 1780408765
Total Pages : 172 pages
Book Rating : 4.7/5 (84 download)

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Book Synopsis Treatment Wetlands by : Gabriela Dotro

Download or read book Treatment Wetlands written by Gabriela Dotro and published by IWA Publishing. This book was released on 2017-11-15 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt: Contents: Overview of Treatment Wetlands; Fundamentals of Treatment Wetlands; Horizontal Flow Wetlands; Vertical Flow Wetlands; French Vertical Flow Wetlands; Intensified and Modified Wetlands; Free Water Surface Wetlands; Other Applications; Additional Aspects.

Phytoremediation of Emerging Contaminants in Wetlands

Author : Prabhat Kumar Rai
Publisher : CRC Press
ISBN 13 : 1351067427
Total Pages : 248 pages
Book Rating : 4.3/5 (51 download)

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Book Synopsis Phytoremediation of Emerging Contaminants in Wetlands by : Prabhat Kumar Rai

Download or read book Phytoremediation of Emerging Contaminants in Wetlands written by Prabhat Kumar Rai and published by CRC Press. This book was released on 2018-03-15 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt: Phytoremediation with wetland plants is an eco-friendly, aesthetically pleasing, cost-effective, solar-driven, passive technique that is useful for cleaning up environmental pollutants with low to moderate levels of contamination.

Passive Treatment of Coal Mine Drainage

Author : Robert S. Hedin
Publisher :
ISBN 13 :
Total Pages : 52 pages
Book Rating : 4.0/5 ( download)

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Book Synopsis Passive Treatment of Coal Mine Drainage by : Robert S. Hedin

Download or read book Passive Treatment of Coal Mine Drainage written by Robert S. Hedin and published by . This book was released on 1994 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Nature Based Solutions for Wastewater Treatment

Author : Katharine Cross
Publisher : IWA Publishing
ISBN 13 : 9781789062250
Total Pages : 344 pages
Book Rating : 4.0/5 (622 download)

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Book Synopsis Nature Based Solutions for Wastewater Treatment by : Katharine Cross

Download or read book Nature Based Solutions for Wastewater Treatment written by Katharine Cross and published by IWA Publishing. This book was released on 2021-08-15 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt: There are 2.4 billion people without improved sanitation and another 2.1 billion with inadequate sanitation (i.e. wastewater drains directly into surface waters), and despite improvements over the past decades, the unsafe management of fecal waste and wastewater continues to present a major risk to public health and the environment (UN, 2016). There is growing interest in low cost sanitation solutions which harness natural systems. However, it can be difficult for wastewater utility managers to understand under what conditions such nature-based solutions (NBS) might be applicable and how best to combine traditional infrastructure, for example an activated sludge treatment plant, with an NBS such as treatment wetlands. There is increasing scientific evidence that treatment systems with designs inspired by nature are highly efficient treatment technologies. The cost-effective design and implementation of ecosystems in wastewater treatment is something that exists and has the potential to be further promoted globally as both a sustainable and practical solution. This book serves as a compilation of technical references, case examples and guidance for applying nature-based solutions for treatment of domestic wastewater, and enables a wide variety of stakeholders to understand the design parameters, removal efficiencies, costs, co-benefits for both people and nature and trade-offs for consideration in their local context. Examples through case studies are from across the globe and provide practical insights into the variety of potentially applicable solutions.

Nutrients in the Nation's Waters

Author : David K. Mueller
Publisher :
ISBN 13 :
Total Pages : 32 pages
Book Rating : 4.3/5 (121 download)

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Book Synopsis Nutrients in the Nation's Waters by : David K. Mueller

Download or read book Nutrients in the Nation's Waters written by David K. Mueller and published by . This book was released on 1996 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nutrients in water are necessary for productive aquatic ecosystems, but in high concentrations, nutrients such as nitrates, ammonia, and phosphates can adversely affect aquatic life and human health.

Monitored Natural Attenuation of Inorganic Contaminants in Ground Water

Author :
Publisher :
ISBN 13 :
Total Pages : 124 pages
Book Rating : 4.3/5 (121 download)

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Book Synopsis Monitored Natural Attenuation of Inorganic Contaminants in Ground Water by :

Download or read book Monitored Natural Attenuation of Inorganic Contaminants in Ground Water written by and published by . This book was released on 2007 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt: V.3 ... consists of individual chapters that describe 1) the conceptual background for radionuclides, including tritium, radon, strontium, technetium, uranium, iodine, radium, thorium, cesium, plutonium-americium and 2) data requirements to be met during site characterization.

Phosphorus Requirements for Sustainable Agriculture in Asia and Oceania

Author : International Council of Scientific Unions. Scientific Committee on Problems of the Environment
Publisher : Int. Rice Res. Inst.
ISBN 13 : 9712200027
Total Pages : 495 pages
Book Rating : 4.7/5 (122 download)

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Book Synopsis Phosphorus Requirements for Sustainable Agriculture in Asia and Oceania by : International Council of Scientific Unions. Scientific Committee on Problems of the Environment

Download or read book Phosphorus Requirements for Sustainable Agriculture in Asia and Oceania written by International Council of Scientific Unions. Scientific Committee on Problems of the Environment and published by Int. Rice Res. Inst.. This book was released on 1990 with total page 495 pages. Available in PDF, EPUB and Kindle. Book excerpt: This symposium organised by the International Rice Institute concentrate on the P requirement to optimize food and fiber production in the main rice-growing areas of the world using Asia and Oceanic data in a regional case study. Research gaps and needs are discussed

Sustainability of Construction Materials

Author : Jamal Khatib
Publisher : Elsevier
ISBN 13 : 1845695844
Total Pages : 313 pages
Book Rating : 4.8/5 (456 download)

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Book Synopsis Sustainability of Construction Materials by : Jamal Khatib

Download or read book Sustainability of Construction Materials written by Jamal Khatib and published by Elsevier. This book was released on 2009-04-29 with total page 313 pages. Available in PDF, EPUB and Kindle. Book excerpt: Until recently, much of the development of building materials has predominantly focused on producing cheaper, stronger and more durable construction materials. More recently attention has been given to the environmental issues in manufacturing, using, disposing and recycling of construction materials. Sustainability of construction materials brings together a wealth of recent research on the subject.The first part of the book gives a comprehensive and detailed analysis of the sustainability of the following building materials: aggregates; timber, wood and bamboo; vegetable fibres; masonry; cement, concrete and cement replacement materials; metals and alloys; glass; and engineered wood products. A final group of chapters cover the use of waste tyre rubber in civil engineering works, the durability of sustainable construction materials and nanotechnologies for sustainable construction.With its distinguished editor and international team of contributors, Sustainability of construction materials is a standard reference for anyone involved in the construction and civil engineering industries with an interest in the highly important topic of sustainability. Provides a comprehensive and detailed analysis of the sustainability of a variety of construction materials ranging from wood and bamboo to cement and concrete Assesses the durability of sustainable construction materials including the utilisation of waste tyre rubber and vegetable fibres Collates a wealth of recent research including relevant case studies as well as an investigation into future trends

Biological Wastewater Treatment

Author : Mogens Henze
Publisher : IWA Publishing (International Water Assoc)
ISBN 13 :
Total Pages : 170 pages
Book Rating : 4.:/5 (4 download)

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Book Synopsis Biological Wastewater Treatment by : Mogens Henze

Download or read book Biological Wastewater Treatment written by Mogens Henze and published by IWA Publishing (International Water Assoc). This book was released on 1881 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt: For information on the online course in Biological Wastewater Treatment from UNESCO-IHE, visit: http://www.iwapublishing.co.uk/books/biological-wastewater-treatment-online-course-principles-modeling-and-design Over the past twenty years, the knowledge and understanding of wastewater treatment have advanced extensively and moved away from empirically-based approaches to a first principles approach embracing chemistry, microbiology, physical and bioprocess engineering, and mathematics. Many of these advances have matured to the degree that they have been codified into mathematical models for simulation with computers. For a new generation of young scientists and engineers entering the wastewater treatment profession, the quantity, complexity and diversity of these new developments can be overwhelming, particularly in developing countries where access is not readily available to advanced level tertiary education courses in wastewater treatment. Biological Wastewater Treatment addresses this deficiency. It assembles and integrates the postgraduate course material of a dozen or so professors from research groups around the world that have made significant contributions to the advances in wastewater treatment. The book forms part of an internet-based curriculum in biological wastewater treatment which also includes: Summarized lecture handouts of the topics covered in book Filmed lectures by the author professors Tutorial exercises for students self-learning Upon completion of this curriculum the modern approach of modelling and simulation to wastewater treatment plant design and operation, be it activated sludge, biological nitrogen and phosphorus removal, secondary settling tanks or biofilm systems, can be embraced with deeper insight, advanced knowledge and greater confidence.

Vertical Flow Constructed Wetlands

Author : Alexandros Stefanakis
Publisher : Newnes
ISBN 13 : 0124046878
Total Pages : 395 pages
Book Rating : 4.1/5 (24 download)

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Book Synopsis Vertical Flow Constructed Wetlands by : Alexandros Stefanakis

Download or read book Vertical Flow Constructed Wetlands written by Alexandros Stefanakis and published by Newnes. This book was released on 2014-06-26 with total page 395 pages. Available in PDF, EPUB and Kindle. Book excerpt: Vertical flow constructed wetlands for wastewater and sludge treatment represent a relatively new and still growing technology. Vertical Flow Constructed Wetlands is the first book to present the state-of-the-art knowledge regarding vertical flow constructed wetlands theory and applications. In this book, you will learn about vertical flow systems with information about application and performance. Vertical Flow Constructed Wetlands also includes information on how different countries are applying the technology, with design guidelines to illustrate best practices worldwide. A focus on water conservation through reuse of treated water showcases the benefit of vertical flow construction, which has greatly increased the attractiveness of the technology in recent years. All state-of-the-art knowledge regarding vertical flow constructed wetlands gathered in one book A review of various constructed wetland approaches, including information about applications and performance, helps clarify what is currently known about constructed wetland principles and design Discussion of how to manage the treated wastewater leaving the vertical flow for increasing biodiversity, providing food and habitat for birds, and producing harvestable biomass or crops Includes case studies of constructed wetlands in developing countries

Wastewater Treatment in Constructed Wetlands with Horizontal Sub-Surface Flow

Author : Jan Vymazal
Publisher : Springer Science & Business Media
ISBN 13 : 140208580X
Total Pages : 579 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis Wastewater Treatment in Constructed Wetlands with Horizontal Sub-Surface Flow by : Jan Vymazal

Download or read book Wastewater Treatment in Constructed Wetlands with Horizontal Sub-Surface Flow written by Jan Vymazal and published by Springer Science & Business Media. This book was released on 2008-07-15 with total page 579 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wetlands have been used for uncontrolled wastewater disposal for centuries. However, the change in attitude towards wetlands during the 1950s and 1960s caused the minimization of the use of natural wetlands for wastewater treatment (at least in developed countries). Constructed wetlands have been used for wastewater treatment for about forty years. Constructed wetland treatment systems are engineered systems that have been designed and constructed to utilize the natural processes for removal of pollutants. They are designed to take advantage of many of the same processes that occur in natural wetlands, but do so within a more controlled environment. The aim of this book is to summarize the knowledge on horizontal s- surface flow constructed wetlands (HF CWs) and objectively evaluate their treatment efficiency under various conditions. The information on this type of wastewater treatment technology is scattered in many publications but a comprehensive summary based on world-wide experience has been lacking. The book provides an extensive overview of this treatment technology around the world, including examples from more than 50 countries and examples of various types of wastewater treated in HF CWs.

Wetland Technology

Author : Guenter Langergraber
Publisher : IWA Publishing
ISBN 13 : 9781789060164
Total Pages : 0 pages
Book Rating : 4.0/5 (61 download)

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Book Synopsis Wetland Technology by : Guenter Langergraber

Download or read book Wetland Technology written by Guenter Langergraber and published by IWA Publishing. This book was released on 2019-10-15 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Water quality standards across the world are being re-written to promote healthier ecosystems, ensure safe potable water sources, increased biodiversity, and enhanced ecological functions. Treatment wetlands are used for treating a variety of pollutant waters, including municipal wastewater, agricultural and urban runoff, industrial effluents, and combined sewer overflows, among others. Treatment wetlands are particularly well-suited for sustainable water management because they can cope with variable influent loads, can be constructed of local materials, have low operations and maintenance requirements compared to other treatment technologies, and they can provide additional ecosystem services. The technology has been successfully implemented in both developed and developing countries. The first IWA Scientific and Technical Report (STR) on Wetland Technology was published in 2000. With the exponential development of the technology since then, the generation of a new STR was facilitated by the IWA Task Group on Mainstreaming Wetland Technology. This STR was conceptualized and written by leading experts in the field. The new report presents the latest technology applications within an innovative planning framework of multi-purpose wetland design. It also includes practical design information collected from over twenty years of experience from practitioners and academics, covering experiments at laboratory and pilot-scale up to full-scale applications. Scientific and Technical Report No.27

Constructed Wetlands for Industrial Wastewater Treatment

Author : Alexandros I. Stefanakis
Publisher : John Wiley & Sons
ISBN 13 : 1119268346
Total Pages : 612 pages
Book Rating : 4.1/5 (192 download)

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Book Synopsis Constructed Wetlands for Industrial Wastewater Treatment by : Alexandros I. Stefanakis

Download or read book Constructed Wetlands for Industrial Wastewater Treatment written by Alexandros I. Stefanakis and published by John Wiley & Sons. This book was released on 2018-08-20 with total page 612 pages. Available in PDF, EPUB and Kindle. Book excerpt: A groundbreaking book on the application of the economic and environmentally effective treatment of industrial wastewater Constructed Wetlands for Industrial Wastewater Treatment contains a review of the state-of-the-art applications of constructed wetland technology for industrial wastewater treatment. This green technology offers many economic, environmental, and societal advantages. The text examines the many unique uses and the effectiveness of constructed wetlands for the treatment of complex and heavily polluted wastewater from various industrial sources. The editor — a noted expert in the field — and the international author team (93 authors from 22 countries) present vivid examples of the current state of constructed wetlands in the industrial sector. The text is filled with international case studies and research outcomes and covers a wide range of applications of these sustainable systems including facilities such as the oil and gas industry, agro-industries, paper mills, pharmaceutical industry, textile industry, winery, brewery, sludge treatment and much more. The book reviews the many system setups, examines the different removal and/or transformational processes of the various pollutants and explores the overall effectiveness of this burgeoning technology. This important resource: Offers the first, groundbreaking text on constructed wetlands use for industrial wastewater treatment Provides a single reference with summarized information and the state-of-the-art knowledge of the use of Constructed Wetlands in the industrial sector through case studies, research outcomes and review chapters Covers a range of industrial applications such as hydrocarbons/oil and gas industry, food and beverage, wood and leather processing, agro-industries, pharmaceuticals and many others Includes best practices drawn by a collection of international case studies Presents the latest technological developments in the industry Written for civil and environmental engineers, sustainable wastewater/water managers in industry and government, Constructed Wetlands for Industrial Wastewater Treatment is the first book to offer a comprehensive review of the set-up and effectiveness of constructed wetlands for a wide range of industrial applications to highlight the diverse economic and environmental benefits this technology brings to the industry.