Technology selection and development trends for urban multi-source sludge treatment under Dual Carbon goals

ZHANG Chen; DUAN Nina; ZHAO Shuiqian; WANG Feng; TAN Xuejun

doi:10.13205/j.hjgc.202507001

Volume 43 Issue 7

Jul. 2025

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ZHANG Chen, DUAN Nina, ZHAO Shuiqian, WANG Feng, TAN Xuejun. Technology selection and development trends for urban multi-source sludge treatment under Dual Carbon goals[J]. ENVIRONMENTAL ENGINEERING , 2025, 43(7): 1-9. doi: 10.13205/j.hjgc.202507001

Citation:

ZHANG Chen, DUAN Nina, ZHAO Shuiqian, WANG Feng, TAN Xuejun. Technology selection and development trends for urban multi-source sludge treatment under Dual Carbon goals[J]. ENVIRONMENTAL ENGINEERING , 2025, 43(7): 1-9. doi: 10.13205/j.hjgc.202507001

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Technology selection and development trends for urban multi-source sludge treatment under Dual Carbon goals

doi: 10.13205/j.hjgc.202507001

Shanghai Municipal Engineering Design Institute (Group) Co., Ltd., Shanghai 200092, China

Received Date: 2024-10-16
Accepted Date: 2024-12-20
Rev Recd Date: 2024-11-30

Available Online: 2025-09-11

Abstract

Abstract

With the rapid advancement of urbanization， the upgrading and optimizing of the drainage system， and the implementation of integrated comprehensive water environment governance， incorporating source control， network systems， treatment plants， and river management， the production of urban multi-source sludge has significantly increased， presenting severe challenges for its scientific treatment and disposal. The paper delves into the characteristics of sludge from various origins， including municipal sewage sludge， pipeline sediments， and riverbed sediments， each with distinct physical and chemical properties. It also examines the carbon emission challenges associated with these different types of sludge. In response to the Dual Carbon goals， the paper proposes tiered utilization pathways for both organic and inorganic components in multi-source sludge. These pathways aim to optimize the use of resources contained within the sludge， turning waste into valuable assets. The emphasis on technological innovation underscores the need to reduce energy consumption and material usage while effectively controlling greenhouse gas emissions. Innovations in sludge treatment technology can lead to more efficient resource substitution， minimizing reliance on non-renewable resources. Additionally，the paper highlights the importance of adopting a systematic approach to address the complexities of sludge management. This involves exploring diversified collaborative models and carbon reduction strategies that go beyond traditional boundaries， including the synergy among multiple materials， upstream-downstream integration， and cross-industry collaboration， aiming to realize deeper carbon emission reduction across a broader scope.
- multi-source sludge,
- treatment and disposal,
- carbon emission

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References(37)

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