Constructed wetland systems for greywater treatment and reuse: a review

Sijimol, M. R.; Joseph, Sabu

doi:10.1007/s42108-021-00129-1

Cited by 16 publications

(3 citation statements)

References 74 publications

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“…Not only do they save a lot of energy, but they can also purify tainted water to meet nonpotable reuse regulations [96]. First, grey water is domestic wastewater from sinks, laundry rooms, and showers that is heavy in food residues and that has significant volumes of grease and high concentrations of chemicals, sodium, phosphorus, surfactants, nitrogen, and non-biodegradable fibres from clothing [97,98]. At this stage of the study, wastewater treatment was conducted by floating treatment wetlands, horizontal-subsurface-flow CWs, etc.…”

Section: Impact Pathways Of Cws On Water Managementmentioning

confidence: 99%

Knowledge Atlas on the Relationship between Water Management and Constructed Wetlands—A Bibliometric Analysis Based on CiteSpace

et al. 2022

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Water management is a crucial resource conservation challenge that mankind faces, and encouraging the creation of manmade wetlands with the goal of achieving long-term water management is the key to long-term urban development. To summarise and analyse the status of the research on the relationship between water management and constructed wetlands, this paper makes use of the advantages of the bibliometric visualization of CiteSpace to generate country/region maps and author-collaboration maps, and to analyse research hotspots and research dynamics by using keywords and literature co-citations based on 1248 pieces of related literature in the core collection in the Web of Science (WoS) database. The existing research shows that the research content and methods in the field of constructed-wetland and water-management research are constantly being enriched and deepened, including the research methods frequently used in constructed wetlands in water management and in the research content under concern, the functions and roles of constructed wetlands, the relevant measurement indicators of the purification impact of constructed wetlands on water bodies, and the types of water bodies treated by constructed wetlands in water management. We summarise the impact pathways of constructed wetlands on water management, as well as the impact factors of constructed wetlands under water-management objectives, by analysing the future concerns in the research field to provide references for research.

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Section: Impact Pathways Of Cws On Water Managementmentioning

confidence: 99%

Knowledge Atlas on the Relationship between Water Management and Constructed Wetlands—A Bibliometric Analysis Based on CiteSpace

et al. 2022

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“…Onsite GW treatment [60,61] could recover a resource suitable for local urban uses such as toilet flushing, building or industrial cooling and cleaning, street washing, and landscape irrigation, among others. Applicable approaches vary widely [62], ranging from nature-based (e.g., constructed wetlands) [63] to advanced systems such as compact biological processes, membrane bioreactors, and bioelectrochemical systems [64,65].…”

Section: Uww Mining: Approaches and Technologiesmentioning

confidence: 99%

Urban Wastewater Mining for Circular Resource Recovery: Approaches and Technology Analysis

Capodaglio

2023

Water

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Urban areas comprise less than 1% of the Earth’s land surface, yet they host more than half the global population and are responsible for the majority of global energy use and related CO2 emissions. Urbanization is increasing the speed and local intensity of water cycle exploitation, with a large number of cities suffering from water shortage problems globally. Wastewater (used water) contains considerable amounts of embedded energy and recoverable materials. Studies and applications have demonstrated that recovering or re-capturing water, energy, and materials from wastewater is a viable endeavor, with several notable examples worldwide. Reclaiming all these resources through more widespread application of effective technological approaches could be feasible and potentially profitable, although challenging from several points of view. This paper reviews the possibilities and technical opportunities applicable to the mining of resources within the urban water cycle and discusses emerging technologies and issues pertaining to resource recovery and reuse applications. The present and future sustainability of approaches is also discussed. Since sewage management issues are not “one size fits all”, local conditions must be carefully considered when designing optimal local resource recovery solutions, which are influenced not just by technology but also by multiple economic, geographical, and social factors.

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“…The untreated GW also deteriorates the quality of water bodies, especially surface water when discharged directly (Dwumfour‐Asare et al., 2017). Hence, GW treatment, its management, and utilization are essential to reduce water stress in developing countries as it consists of fewer pollutant loads as compared to black water (Sijimol & Joseph, 2021). LGW primarily consists of laundry detergents (surfactants) utilized in the washing process and soil particles removed from laundry (Ramcharan & Bissessur, 2016).…”

Section: Introductionmentioning

confidence: 99%

Physical, chemical, and biological evaluation of domestic laundry greywater discharges to attract reclamation strategies and reuse applications in urban settings

Khapra,

Singh

2023

Environmental Quality Mgmt

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Due to increasing freshwater demand and limited availability of resources, conservation and recycling of greywater are getting attention worldwide. Greywater (GW) is considered a potential contender to different types of industrial wastewater in terms of recyclability, toxicity, and reusability. The reuse and treatment methodologies in the case of LGW mainly depend on parameters such as pH, Biochemical oxygen demand (BOD), Chemical oxygen demand (COD), Total dissolved solids (TDS), Total suspended solids (TSS), turbidity, ionic concentration, surfactants, and microbial growth. Available literature suggests that domestic as well as commercial laundries are major contributors to greywater around the globe. This paper presents the results of investigations conducted on the quantity and quality of greywater generated from domestic urban laundries. Various factors were observed that influence the quantity of generated LGW such as family size, type of washing (machine or manual), and composition of LGW influenced by the work profile of family members, etc. The average values of BOD, COD, TSS, TDS, turbidity, Chloride (Cl−), Sulphate (SO42−), Fluoride (F−), Nitrate (NO3−), and anionic surfactants as MBAS (methylene blue active substances) were observed as 265.73 mgL−1, 1754.67 mgL−1, 469.13 mgL−1, 1837.73 mgL−1, 281.8 NTU, 438.6 mgL−1, 87.93 mgL−1, 0.87 mgL−1, 6.83 mgL−1, and 16.45 mgL−1, respectively. The average concentration of Escherichia coli and total coliforms was observed to be 73.4 MPN/100 mL (most probable number per 100 mL) and 386.2 MPN/100 mL, respectively. The high values of selected parameters necessitate the planning of greywater treatment in urban locations for re‐utilization. This study also revealed that a huge amount of freshwater is being converted to greywater by domestic laundries that can be re‐utilized for non‐potable purposes after some treatment.

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Constructed wetland systems for greywater treatment and reuse: a review

Cited by 16 publications

References 74 publications

Knowledge Atlas on the Relationship between Water Management and Constructed Wetlands—A Bibliometric Analysis Based on CiteSpace

Knowledge Atlas on the Relationship between Water Management and Constructed Wetlands—A Bibliometric Analysis Based on CiteSpace

Urban Wastewater Mining for Circular Resource Recovery: Approaches and Technology Analysis

Physical, chemical, and biological evaluation of domestic laundry greywater discharges to attract reclamation strategies and reuse applications in urban settings

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