Improving the resource footprint evaluation of products recovered from wastewater: A discussion on appropriate allocation in the context of circular economy

Sfez, Sophie; Meester, Steven De; Vlaeminck, Siegfried E.; Dewulf, Jo

doi:10.1016/j.resconrec.2019.03.029

Cited by 42 publications

(21 citation statements)

References 20 publications

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“…In the process of converting, the leather industry pollutes environment greatly, therefore, it is considered as one of the most polluted industries (Sathish et al, 2019). CE practices are essential for environmental protection and sustainable manufacturing practices (Sfez et al, 2019). In the leather industry supply chain, eco-friendly leather manufacturing processes must be introduced to minimize waste and to reuse tannery waste.…”

Section: Introductionmentioning

confidence: 99%

Circular economy practices in the leather industry: A practical step towards sustainable development

Moktadir

Ahmadi

Sultana

et al. 2020

Journal of Cleaner Production

153

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The concept of circular economy (CE), a recent popular global business trend, considerably minimizes waste and environmental pollution. However, studies exploring CE practices in the context of leather industry have been scant. To deal with this issue, this paper proposes a decision support framework for evaluating the challenges to CE practices in the context of leather industry. Best worst method, a generic decision support tool, is employed in the assessment process. The study findings reveal that "lack of financial support from authorities" is assigned the highest weight in the final ranking results. This indicates that the lack of financial facility poses a major challenge to the successful implementation of CE practices. The findings can assist industrial managers and authorities in taking the required actions to implement CE practices in the leather industry for the sustainable development of the leather sector.

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Section: Introductionmentioning

confidence: 99%

Circular economy practices in the leather industry: A practical step towards sustainable development

Moktadir

Ahmadi

Sultana

et al. 2020

Journal of Cleaner Production

153

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“…Rethinking the wastewater value chain means promoting a shift from the traditional concept of WWTP to that of wastewater resource recovery facilities [10].…”

Section: Introductionmentioning

confidence: 99%

Scenario Analysis for Selecting Sewage Sludge-to-Energy/Matter Recovery Processes

2021

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The sewage sludges are the byproducts of the wastewater treatment. The new perspective of the wastewater value chain points to a sustainable circular economy approach, where the residual solid material produced by sewage sludge treatments is a resource rather than a waste. A sewage sludge treatment system consists of five main phases; each of them can be performed by different alternative processes. Each process is characterized by its capability to recover energy and/or matter. In this paper, a state of the art of the sludge-to-energy and sludge-to-matter treatments is provided. Then, a scenario analysis is developed to identify suitable sewage sludge treatments plants that best fit the quality and flowrate of sewage sludge to be processed while meeting technological and economic constraints. Based on the scientific literature findings and experts’ opinions, the authors identify a set of reference initial scenarios and the corresponding best treatments’ selection for configuring sewage sludge treatment plants. The scenario analysis reveals a useful reference technical framework when circular economy goals are pursued. The results achieved in all scenarios ensure the potential recovery of matter and/or energy from sewage sludges processes.

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“…Part of them understand necessity to improve energy e ciency, however lack is practical approach and well documented cases in this subject. Currently WWTPs should be an area where these assumptions can be successively implemented through ( Qui et al 2019, Sfez et al 2019): i) closed water and wastewater cycles, ii) recovery of valuable substances (N, P, cellulose, humic acids, VFA), iii) recovery of products generated in technological processes, iv) recovery of energy and heat.…”

Section: Introductionmentioning

confidence: 99%

The circular economy concept in the municipal wastewater and sewage sludge management – site-specific cases from Poland

Kacprzak¹

2021

Preprint

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Introduction of the circular economy package as a result of the necessity to protect natural resources has also forced a new approach for effective wastewater and biowaste treatment and management. Wastewater treatment plants (WWTPs) have become crucial elements of regional bioeconomy - mainly through energy (waste to energy) and matter (nutrients-energy-water) recovery as an element of sustainable development of a smart city. In Poland in 2019 operated 3278 municipal wastewater treatment plants. To achieve specific effluent goals for BOD, nitrogen and phosphorus, different adaptations and modifications have been made. Modernization of technological lines of wastewater treatment has led to a significant improvement in the quality of treated sewage, at the largest WWTPs in Warsaw, Cracow or Gdansk. Eleven WWTPs produce approx. 34% of the total volume of approx. 337 GWh of electricity from biogas in Poland. The potential of producing electricity from biogas in WWTPs in Poland can be estimated at approx. 700–850 GWh per year. According to the data of the Statistics Poland in 2019 in Poland approx. 25% of sewage sludge was used directly in agriculture and for land reclamation. Simultaneously more than 100 WWTPs produce compost at high quality. However only few produce organic/organic-mineral fertilizers, mainly with addition of calcium.

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Improving the resource footprint evaluation of products recovered from wastewater: A discussion on appropriate allocation in the context of circular economy

Cited by 42 publications

References 20 publications

Circular economy practices in the leather industry: A practical step towards sustainable development

Circular economy practices in the leather industry: A practical step towards sustainable development

Scenario Analysis for Selecting Sewage Sludge-to-Energy/Matter Recovery Processes

The circular economy concept in the municipal wastewater and sewage sludge management – site-specific cases from Poland

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