Reconciling water circularity through reverse osmosis for wastewater treatment for a hyper-arid climate: a life cycle assessment

Aleisa, Esra; Al-Mutairi, Asma'a; Hamoda, Mohamed F.

doi:10.1007/s40899-022-00671-8

Cited by 7 publications

(6 citation statements)

References 70 publications

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“…The UF system consists of 8.7 K UF membranes, and the RO trains consist of 21 K membranes. Eventually, 85% of the tertiary effluent is reclaimed, and the remaining 15% is discharged as brine into the sea [40].…”

Section: Uf/ro System Descriptionmentioning

confidence: 99%

“…The tertiary wastewater treatment LCI is provided in Table 3. The UF/RO LCI was obtained from the Sulaibiya WWTP in Kuwait [40]. The energy calculations were obtained from Aleisa and Heijungs [10] and Aleisa and Al-Shayji [21].…”

Section: Life Cycle Inventoriesmentioning

confidence: 99%

“…The electrical energy required for SWRO is 5.2 kWh/m [9]. The electrical energy required for tertiary wastewater treatment is 3.95 × 10 -1 kWh/m , and that required for UF/RO (excluding tertiary) is 3.14 × 10 -1 kWh/m [40]. SWRO membrane g/m 3 0.898 Glass fiber-reinforced plastic, polyamide [9] Table 3: Chemical additives per cubic meter of tertiary treated wastewater [40].…”

Section: Life Cycle Inventoriesmentioning

confidence: 99%

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Environmental Impacts of Reverse Osmosis in Wastewater Treatment Versus Desalination to Mend the Water Cycle: A Life Cycle Assessment

Aleisa

ALJUWAISSERI

Al-Shayji

et al. 2022

WIT Transactions on Ecology and the Environment

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Sustainable water production is one of the top five challenges facing humanity within the upcoming decade; for arid regions, this challenge is aggravated. In this research, we evaluate the fastest growing technology in water treatment, reverse osmosis (RO), for both municipal wastewater treatment and seawater desalination to combat the challenges of water scarcity and climate change. We conduct a life cycle assessment (LCA) to evaluate the environmental impacts of municipal wastewater treatment and seawater desalination for a consistent functional unit using ISO 14040/44 standards. The modeling concept adopts a cradle-to-gate consequential paradigm. The life cycle inventory is based on field data collection from one of the largest wastewater RO plants worldwide, as well as reports, literature and ecoinvent database processes. The life cycle impact assessment is conducted on both the characterized and normalized levels using the ReCiPe method. The results are intended to assist policy-makers in better managing water resources. The study is applied to Kuwait but has wider repercussions.

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Section: Uf/ro System Descriptionmentioning

confidence: 99%

Section: Life Cycle Inventoriesmentioning

confidence: 99%

Section: Life Cycle Inventoriesmentioning

confidence: 99%

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Environmental Impacts of Reverse Osmosis in Wastewater Treatment Versus Desalination to Mend the Water Cycle: A Life Cycle Assessment

Aleisa

ALJUWAISSERI

Al-Shayji

et al. 2022

WIT Transactions on Ecology and the Environment

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“…FW exerts substantial stress on water consumption and loss levels, especially in water-scarce areas such as the Middle East and North African region (MENA) [ 1 , 4 , 12 , 74 , 145 ]. As Aleisa and Al-Zubari [ 5 ] indicate, 70% of water is consumed in the agricultural sector, of which one-third is wasted.…”

Section: Introductionmentioning

confidence: 99%

“…Kuwait Ministry of Electricity and Water,2 Rafiee et al[119],3 Lam et al[93],4 Slorach et al[128,129],5 Korean Ministry of Environment,6 Salemdeeb et al[125],7 Simapro 8.0 and costs were averaged accordingly…”

mentioning

confidence: 99%

Triple Bottom-Line Evaluation of the Production of Animal Feed from Food Waste: A Life Cycle Assessment

Alsaleh

Aleisa

2022

Waste Biomass Valor

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This study applies a triple bottom line (TBL) framework that incorporates the environmental, economic, and social impacts of producing animal feed from food waste (FW) collected at the post-consumption stage of the food supply chain. The environmental bottom line (BL) is conducted using life cycle assessment (LCA), the economic BL is calculated using the net present value (NPV), while the social BL is assessed using the strengths, weaknesses, opportunities, and threats (SWOT) analysis. The results within the environmental BL indicate that at a 13.8% recovery rate, animal feed produced from a ton of FW saves 0.33 m 2 equivalent of crop land but requires 3.5 tons of water compared to 0.9 tons and 0.78 tons for landfilling and incineration for FW treatment respectively. In addition, the production of animal feed from one ton of FW emits 1064.6 kg CO 2 -eq, compared to 823.6 kg CO 2 -eq using landfilling and 781.9 kg CO 2 -eq when incinerated. The economic BL indicates a profit of $3.65/ton from incinerating FW, compared to cost of $93.8 and $137.6 per ton for animal feed production and landfilling of FW respectively. The analytic hierarchy process (AHP) is applied to integrate the TBL scores and rank the scenarios accordingly. AHP recommends animal feed and incineration over landfilling by a fourfold higher score. A simulation using an augmented simplex lattice mixture (ASLM) design recommends incineration with energy recovery over animal feed production from FW collected at the consumer stage. Sensitivity analysis indicates that the production of animal feed from FW is environmentally feasible if the safe recovery rate exceeds 48%, is which possible for FW collected at early stages of the food supply chain. Graphical Abstract

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Upcycling food waste into animal feed: An environmental assessment based on food waste quantities in different district types in Kuwait

Aleisa,

Alsaleh

2024

Journal of Engineering Research

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Reconciling water circularity through reverse osmosis for wastewater treatment for a hyper-arid climate: a life cycle assessment

Cited by 7 publications

References 70 publications

Environmental Impacts of Reverse Osmosis in Wastewater Treatment Versus Desalination to Mend the Water Cycle: A Life Cycle Assessment

Environmental Impacts of Reverse Osmosis in Wastewater Treatment Versus Desalination to Mend the Water Cycle: A Life Cycle Assessment

Triple Bottom-Line Evaluation of the Production of Animal Feed from Food Waste: A Life Cycle Assessment

Upcycling food waste into animal feed: An environmental assessment based on food waste quantities in different district types in Kuwait

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