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Drainage Services Department - Sustainability Report 2016-17

Environmental Management / Odour Management

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Sub-sections in Environmental Management

[Blue-Green Infrastructure] [Energy Management and Emission Control] [Climate Change Mitigation and Adaptation] [Water Resources Management] [Odour Management] [Green Office]

Odour Management

Septic process of sewage will produce hydrogen sulphide which has a repulsive odour. To reduce the impact of DSD's facilities on nearby residents, we have undertaken the following three odour control measures:

In addition, we regularly measure the levels of hydrogen sulphide in our plants to monitor the effectiveness of the odour control measures and to timely adjust the plant operations as necessary.

Odour Control Measures at Siu Ho Wan Sewage Treatment Works

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Fiberglass reinforced plastic covers for primary sedimentation tanks

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Biotrickling filters

Odour Control Measures at Stonecutters Island Sewage Treatment Works (SCISTW) under Harbour Area Treatment Scheme (HATS) Stage 2A

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SCISTW - sedimentation tanks with covers

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[Executive Summary] [Traditional Chinese Version] [Simplified Chinese Version] [Graphical Version] [Verification Statement] [Feedback Form] [Key Statistics and Data] [GRI Content Index] [Sitemap]

Home | Director’s Statement | About this Report | Sponge City: Adapting to Climate Change | Highlights of the Year | Governance Approach | Our Core Responsibilities | Environmental Management | Care for Our Staff | Media Engagement Activities | Stakeholder Engagement Activities | Meeting the Targets |

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