September 23, 2025Environmental Science & Technology

Synergistic Closed-Loop System for Oily Sludge Valorization via Biomass-Assisted Pyrolysis: Bridging Waste Management to Sustainable Soil Revitalization

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Increased oil recovery by 25-30 wt % was achieved through the integration of biomass in the pyrolysis process, enhancing the valorization of oily sludge.
Heavy metal release was reduced by approximately 50%, while total petroleum hydrocarbons were lowered to meet safety thresholds, highlighting environmental benefits.
The process transformed saline-alkali soil into arable land, significantly boosting ryegrass growth metrics by up to 14.2 times, which supports sustainable agriculture.
This research establishes a circular economy model that combines renewable resource recovery and soil revitalization, emphasizing alignment with sustainability goals.

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Implication

A closed-loop approach using biomass-assisted pyrolysis improves soil rejuvenation while reducing petroleum waste, indicating a sustainable cycle for agriculture.

Cite This Study

Lin et al. (2025) studied this question.

synapsesocial.com/papers/68d43d75713b0b5dfea7d6ec https://doi.org/10.1021/acs.est.5c05480

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Implication

A closed-loop approach using biomass-assisted pyrolysis improves soil rejuvenation while reducing petroleum waste, indicating a sustainable cycle for agriculture.

Synergistic Closed-Loop System for Oily Sludge Valorization via Biomass-Assisted Pyrolysis: Bridging Waste Management to Sustainable Soil Revitalization

Key Points

Discussion

Implication

Cite This Study

Synergistic Closed-Loop System for Oily Sludge Valorization via Biomass-Assisted Pyrolysis: Bridging Waste Management to Sustainable Soil Revitalization

Key Points

Discussion

Implication

Cite This Study