scholarly journals Towards circular economy – a wastewater treatment perspective, the Presa Guadalupe case

2018 ◽  
Vol 41 (5) ◽  
pp. 554-571 ◽  
Author(s):  
Cesar Casiano Flores ◽  
Hans Bressers ◽  
Carina Gutierrez ◽  
Cheryl de Boer
Keyword(s):  
Wastewater Treatment ◽  
Wastewater Treatment Plant ◽  
Circular Economy ◽  
Treatment Plant ◽  
Governance Arrangement ◽  
Economy Model ◽  
Content Type ◽  
Polluter Pays Principle ◽  
The Government ◽  
Depth Interviews

Purpose In Mexico, only 19.3 per cent of industrial water is treated (Green-Peace, 2014, pp. 3-4), whereas municipal treatment levels are approximately 50 per cent (CONAGUA, 2014a). This paper aims to focus on how the wastewater treatment plant policy, from a circular economy perspective, is affected by the governance context at the Presa Guadalupe sub-basin. Circular economy can contribute to water innovations that help in improving water quality. However, such benefits are not easily achieved. This case provides an example of the complexity and challenges that the implementation of a circular economy model can face. Design/methodology/approach Data are collected via semi-structured in-depth interviews with the stakeholders that are members of the Presa Guadalupe Commission. The contextual interaction theory (CIT) is the theoretical basis for this analysis (Boer de and Bressers, 2011; Bressers, 2009). Findings The findings show that the wastewater treatment plant policy plays an important role in a circular economy model. Some incentives towards a circular economy model are already in place; however, the hurdles of a top-down implementation perspective, low availability of resources, prioritisation of short-term results, lack of enforcement of the “polluter pays” principle and a linear model of water systems need to be overcome. If Mexico wants to move towards a circular economy model and if the government wants to enforce sustainable development principles, wastewater treatment is a challenge that must be addressed. Originality/value There are few studies in the circular economy literature that have analysed its implementation under a governance arrangement perspective.

scholarly journals Complete Genome Sequence of Moraxella osloensis Strain YV1, Isolated from an Australian Wastewater Treatment Plant

2020 ◽  
Vol 9 (15) ◽  
Author(s):  
Steven Batinovic ◽  
Daniel T. F. Rice ◽  
Robert J. Seviour ◽  
Steve Petrovski
Keyword(s):  
Wastewater Treatment ◽  
Genome Sequence ◽  
Wastewater Treatment Plant ◽  
Complete Genome Sequence ◽  
Complete Genome ◽  
Treatment Plant ◽  
Content Type ◽  
Moraxella Osloensis ◽  
Distinctive Morphology

We report the complete genome sequence of Moraxella osloensis strain YV1, which was isolated from a wastewater treatment plant in Australia. The YV1 genome comprises a 2,615,801-bp chromosome and four plasmids. Moraxella osloensis strain YV1 displays the distinctive morphology of Eikelboom morphotype 1863.

scholarly journals Proposal of Sustainability Indicators for the Waste Management from the Paper Industry within the Circular Economy Model

Water ◽  
2018 ◽  
Vol 10 (8) ◽  
pp. 1014 ◽  
Author(s):  
Emiliano Molina-Sánchez ◽  
Juan Leyva-Díaz ◽  
Francisco Cortés-García ◽  
Valentín Molina-Moreno
Keyword(s):  
Wastewater Treatment ◽  
Circular Economy ◽  
Paper Industry ◽  
Treatment Plant ◽  
Oxygen Demand ◽  
Paper Mill ◽  
Paper Mills ◽  
Economy Model ◽  
Mineral Fillers ◽  
Relationship Of

The optimization of water management in industrial processes is paramount in diminishing or mitigating, as far as possible, the negative externalities generated by its current use within the linear economy model. This research presents methods for the optimization of wastewater from paper mills which are associated with the new sustainability and circular economy model. In this way, the concept of circular economy was applied to the wastewater treatment from a paper mill, with the objective of recovering the resources contained in this type of effluent. The wastewater treatment plant is based on a biological reactor of activated sludge, and treats a flow of 4868 m3·day−1. This study proposes the development and evaluation of indicators of circular economy applied to wastewater from a paper mill, as well as the assessment of the removal performance of color, total suspended solids (TSS), biochemical oxygen demand on the fifth day (BOD5), and chemical oxygen demand (COD), which are higher than 96% in all cases. Per 1 m3 of wastewater from a paper mill, a volume of 0.9 m3 of potentially reusable water and a recovered sludge mass of 0.7 kg are generated; the latter is reused as a mineral filler during the process itself. In light of this, a multivariable statistical analysis was applied to determine the relationship of the operation variables and indicators of circular economy. In this way, wastewater from the paper mill can be regarded as a technological nutrient, which is partially reintroduced into the production process, enabling the recovery of the water and mineral fillers that it contains.

scholarly journals The SPPD-WRF Framework: A Novel and Holistic Methodology for Strategical Planning and Process Design of Water Resource Factories

2020 ◽  
Vol 12 (10) ◽  
pp. 4168 ◽  
Author(s):  
Philipp Kehrein ◽  
Mark van Loosdrecht ◽  
Patricia Osseweijer ◽  
John Posada ◽  
Jo Dewulf
Keyword(s):  
Wastewater Treatment ◽  
Water Resource ◽  
Wastewater Treatment Plant ◽  
Circular Economy ◽  
Management Practices ◽  
Municipal Wastewater ◽  
Treatment Plant ◽  
Resource Recovery ◽  
Engineering Project ◽  
Wwtp Design

This paper guides decision making in more sustainable urban water management practices that feed into a circular economy by presenting a novel framework for conceptually designing and strategically planning wastewater treatment processes from a resource recovery perspective. Municipal wastewater cannot any longer be perceived as waste stream because a great variety of technologies are available to recover water, energy, fertilizer, and other valuable products from it. Despite the vast technological recovery possibilities, only a few processes have yet been implemented that deserve the name water resource factory instead of wastewater treatment plant. This transition relies on process designs that are not only technically feasible but also overcome various non-technical bottlenecks. A multidimensional and multidisciplinary approach is needed to design water resource factories (WRFs) in the future that are technically feasible, cost effective, show low environmental impacts, and successfully market recovered resources. To achieve that, the wastewater treatment plant (WWTP) design space needs to be opened up for a variety of expertise that complements the traditional wastewater engineering domain. Implementable WRF processes can only be designed if the current design perspective, which is dominated by the fulfilment of legal effluent qualities and process costs, is extended to include resource recovery as an assessable design objective from an early stage on. Therefore, the framework combines insights and methodologies from different fields and disciplines beyond WWTP design like, e.g., circular economy, industrial process engineering, project management, value chain development, and environmental impact assessment. It supports the transfer of the end-of-waste concept into the wastewater sector as it structures possible resource recovery activities according to clear criteria. This makes recovered resources more likely to fulfil the conditions of the end-of-waste concept and allows the change in their definition from wastes to full-fledged products.

Assessing and allocating the financial viability risk factors in public-private partnership wastewater treatment plant projects

2020 ◽  
Vol ahead-of-print (ahead-of-print) ◽  
Author(s):  
Amr Metwally El-Kholy ◽  
Ahmed Yousry Akal
Keyword(s):  
Risk Factors ◽  
Risk Assessment ◽  
Wastewater Treatment ◽  
Wastewater Treatment Plant ◽  
Treatment Plant ◽  
Financial Viability ◽  
Public And Private ◽  
Private Partnership ◽  
Content Type ◽  
The Public

PurposeThis research investigates the financial viability risk factors that threaten the private investor's economic scheme in the public private partnership (PPP) wastewater treatment plant (WWTP) projects in Egypt. The aims of this study are to: (1) illustrate and cluster the financial viability risk factors in accordance with the PPP WWTP projects' nature, (2) assess the risk factors' criticality degrees according to their severity and frequency levels of the financial viability, and (3) pinpoint the suited allocation of the financial viability risk factors between the public and private parties.Design/methodology/approachRelying on the previous analysts' endeavors, the questionnaire method, the fuzzy synthetic evaluation approach and the hypothetical normal distribution curve model; the severity, frequency, criticality and allocation preference of 32 financial viability risk factors were assessed from 12 Egyptian PPP experts.FindingsThe data analysis yielded that foreign exchange risk, currency risk/inflation, license risk, construction cost-overrun and late site handover are the key factors in arising the financial viability risk issue in the PPP WWTP projects. Considering the discussion of these key risks, the study summarized that the financial viability's key risk factors are notably be affected by the economic, political and administrative circumstances of the host county. Additionally, the inflation lesion was found to be the core reason of most of the key risk factors.Originality/valueThis research originality stems from its contribution to address the gab in the PPP risk assessment literature of the concessionaire's financial viability in the WWTP projects in a country of developing economy as Egypt. This, first, enriches the scholarly based knowledge of the PPP projects' risk analysts of the developing countries. Accordingly, it moves the current PPP risk assessment research further to deeply apprehend these markets' risks. Second, it equips the policymakers in the public and private sectors of such projects with a map that clarifies their assigned risk factors and the responsibilities that each party should bear to generate a mutual stable investment environment for achieving their aims successfully. This, indeed, paves the way for more private investments to be involved in the developing markets' PPP projects with a profitable satisfactory level for the private concessionaire. In the same vein, more WWTP projects, which are highly needed for the public sector and its people, are executed.

Nocardioides daeguensis sp. nov., a nitrate-reducing bacterium isolated from activated sludge of an industrial wastewater treatment plant

2013 ◽  
Vol 63 (Pt_10) ◽  
pp. 3727-3732 ◽  
Author(s):  
Yingshun Cui ◽  
Sung-Geun Woo ◽  
Jangho Lee ◽  
Sahastranshu Sinha ◽  
Myung-Suk Kang ◽  
...  
Keyword(s):  
Wastewater Treatment ◽  
Activated Sludge ◽  
Wastewater Treatment Plant ◽  
Industrial Wastewater ◽  
Type Species ◽  
Treatment Plant ◽  
Diaminopimelic Acid ◽  
Industrial Wastewater Treatment ◽  
Content Type ◽  
Link Type

A Gram-reaction-positive, rod-shaped, non-spore-forming bacterium (strain 2C1-5T) was isolated from activated sludge of an industrial wastewater treatment plant in Daegu, South Korea. Its taxonomic position was investigated by using a polyphasic approach. On the basis of 16S rRNA gene sequence similarity, the closest phylogenetic relatives were the type strains of Nocardioides nitrophenolicus (98.6 % similarity), N. kongjuensis (98.5 %), N. caeni (98.4 %), N. simplex (98.3 %), N. aromaticivorans (98.1 %) and N. ginsengisoli (97.5 %); the phylogenetic distance from other species with validly published names within the genus Nocardioides was greater than 3 %. Strain 2C1-5T was characterized chemotaxonomically as having ll-2,6-diaminopimelic acid in the cell-wall peptidoglycan, MK-8(H4) as the predominant menaquinone and iso-C16 : 0, C16 : 0 and C17 : 1ω6c as the major fatty acids. The G+C content of the genomic DNA was 74.9 mol%. These chemotaxonomic properties and phenotypic characteristics supported the affiliation of strain 2C1-5T to the genus Nocardioides . The results of physiological and biochemical tests allowed genotypic and phenotypic differentiation of strain 2C1-5T from existing species with validly published names. Therefore, strain 2C1-5T represents a novel species of the genus Nocardioides , for which the name Nocardioides daeguensis sp. nov. is proposed, with the type strain 2C1-5T ( = JCM 17460T = KCTC 19799T).

scholarly journals Complete Genome Sequence of Rhodococcus ruber R1, a Novel Strain Showing a Broad Catabolic Potential toward Lignin-Derived Aromatics

2020 ◽  
Vol 9 (2) ◽  
Author(s):  
Carlos Farkas ◽  
Raúl A. Donoso ◽  
Felipe Melis-Arcos ◽  
Carla Gárate-Castro ◽  
Danilo Pérez-Pantoja
Keyword(s):  
Wastewater Treatment ◽  
Genome Sequence ◽  
Wastewater Treatment Plant ◽  
Complete Genome Sequence ◽  
Treatment Plant ◽  
Pulp Mill ◽  
Rhodococcus Ruber ◽  
Content Type ◽  
Lignocellulose Conversion ◽  
Catabolic Potential

Rhodococcus ruber R1 was isolated from a pulp mill wastewater treatment plant because of its ability to use methoxylated aromatics as growth substrates. We report the 5.56-Mb genome sequence of strain R1, which can provide insights into the biodegradation of lignin-derived phenolic monomers and potentially support processes for lignocellulose conversion.

scholarly journals Draft Genome Sequence of the Interspecies Hybrid Saccharomyces pastorianus Strain HA2560, Isolated from a Municipal Wastewater Treatment Plant

2018 ◽  
Vol 6 (17) ◽  
Author(s):  
Hakim Tafer ◽  
Katja Sterflinger ◽  
Ksenija Lopandic
Keyword(s):  
Wastewater Treatment ◽  
Genome Sequence ◽  
Wastewater Treatment Plant ◽  
Municipal Wastewater ◽  
Draft Genome ◽  
Treatment Plant ◽  
Draft Genome Sequence ◽  
Municipal Wastewater Treatment ◽  
Content Type ◽  
Saccharomyces Pastorianus

ABSTRACT Saccharomyces pastorianus is an industrially relevant yeast frequently isolated from brewing environments. Here, we report the draft genome sequence of the S. pastorianus HA2560 strain isolated from a municipal wastewater treatment plant.

scholarly journals Desulfoprunum benzoelyticum gen. nov., sp. nov., a Gram-stain-negative, benzoate-degrading, sulfate-reducing bacterium isolated from a wastewater treatment plant

2015 ◽  
Vol 65 (Pt_1) ◽  
pp. 77-84 ◽  
Author(s):  
Madan Junghare ◽  
Bernhard Schink
Keyword(s):  
Fatty Acids ◽  
Wastewater Treatment ◽  
Wastewater Treatment Plant ◽  
Type Species ◽  
Treatment Plant ◽  
Strictly Anaerobic ◽  
Gram Stain ◽  
Content Type ◽  
Sulfate Reducing ◽  
Link Type

A strictly anaerobic, mesophilic, sulfate-reducing bacterium, strain KoBa311T, isolated from the wastewater treatment plant at Konstanz, Germany, was characterized phenotypically and phylogenetically. Cells were Gram-stain-negative, non-motile, oval to short rods, 3–5 µm long and 0.8–1.0 µm wide with rounded ends, dividing by binary fission and occurring singly or in pairs. The strain grew optimally in freshwater medium and the optimum temperature was 30 °C. Strain KoBa311T showed optimum growth at pH 7.3−7.6. Organic electron donors were oxidized completely to carbon dioxide concomitant with sulfate reduction to sulfide. At excess substrate supply, substrates were oxidized incompletely and acetate (mainly) and/or propionate accumulated. The strain utilized short-chain fatty acids, alcohols (except methanol) and benzoate. Sulfate and DMSO were used as terminal electron acceptors for growth. The genomic DNA G+C content was 52.3 mol% and the respiratory quinone was menaquinone MK-5 (V-H2). The major fatty acids were C16 : 0, C16 : 1ω7c/ω6c and C18 : 1ω7c. Phylogenetic analysis based on 16S rRNA gene sequences placed strain KoBa311T within the family Desulfobulbaceae in the class Deltaproteobacteria . Its closest related bacterial species on the basis of the distance matrix were Desulfobacterium catecholicum DSM 3882T (93.0 % similarity), Desulfocapsa thiozymogenes (93.1 %), Desulforhopalus singaporensis (92.9 %), Desulfopila aestuarii (92.4 %), Desulfopila inferna JS_SRB250LacT (92.3 %) and Desulfofustis glycolicus (92.3 %). On the basis of phylogenetic, physiological and chemotaxonomic characteristics, strain KoBa311T was distinct from any related type species. Therefore, strain KoBa311T is considered to represent a novel species of a new genus, for which the name Desulfoprunum benzoelyticum gen. nov., sp. nov. is proposed. The type strain of Desulfoprunum benzoelyticum is KoBa311T ( = DSM 28570T = KCTC 15441T).

scholarly journals Genomic Characterization and Annotation of Two Novel Bacteriophages Isolated from a Wastewater Treatment Plant in Qatar

2022 ◽  
Author(s):  
Ramya Ramadoss ◽  
Fajer Al-Marzooqi ◽  
Basem Shomar ◽  
Valentin Alekseevich Ilyin ◽  
Annette Shoba Vincent
Keyword(s):  
Wastewater Treatment ◽  
Wastewater Treatment Plant ◽  
Treatment Plant ◽  
Genome Sequences ◽  
Protein Coding ◽  
Content Type ◽  
Protein Coding Genes ◽  
Genomic Characterization

We report the genome sequences of Escherichia phage C600M2 (length, 88,162 bp; G+C content, 38.98%) and Escherichia phage CL1 (length, 87,820 bp; G+C content, 41.32%), which were isolated from a wastewater treatment plant in Qatar. Both Escherichia phage C600M2 and Escherichia phage CL1 genomes contain 128 protein-coding genes and 26 tRNAs.

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