Real suspended-solids and sludge monitoring projects

These records show where continuous suspended-solids or sludge-concentration measurement was included in complete water-quality systems. Public imagery is brand-neutral; the project meaning is rendered as searchable English text.

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01Chengxi wastewater plant online monitoring upgrade↘0224-hour urban drainage-channel water-quality monitoring↘03Hancunhe wastewater plant capacity upgrade↘04Recurring industrial wastewater monitoring service↘05Huai River flood-control hub water-quality station↘06Meishan municipal wastewater plant upgrade↘07Wastewater plant influent and effluent monitoring↘08Coal-mine wastewater discharge monitoring↘09Rural wastewater influent monitoring in Wuzhishan↘

Online analyzer cabinets and outdoor monitoring boxes at Chengxi wastewater treatment plant

01 · 2020 · Zhao’an, Zhangzhou, Fujian, China

Chengxi wastewater plant online monitoring upgrade

Project background: The Chengxi wastewater-treatment project was documented with a total investment of CNY 200 million and a treatment scale of 125,000 tonnes per day. The construction formed part of a regional environmental-treatment and ecological-improvement program.
Implementation: In December 2020, online analyzers were installed for continuous wastewater monitoring, including suspended solids / sludge concentration alongside organic and nutrient parameters and dissolved oxygen.
Monitored parameters: Suspended solids / sludgeCOD / organic loadAmmonia nitrogenTotal phosphorusTotal nitrogenDissolved oxygenLiquid level
Suspended-solids / sludge configuration: PSS-800 was documented as the optical suspended-solids / sludge-concentration measurement in the project configuration.
Project role: The system provided continuous multi-parameter visibility for routine plant operation and environmental management.

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Urban drainage channel and automatic water-quality monitoring cabinets

02 · 2019 · Ningde, Fujian, China

24-hour urban drainage-channel water-quality monitoring

Project background: The Nanda urban drainage channel had persistent low flow, accumulated sediment and severe black-and-odorous water conditions. The project covered a continuously monitored reach through the city-center drainage system.
Implementation: In November 2019, water was pumped to a bank-side station where a multiparameter controller combined transparency, suspended solids and other sensors for continuous monitoring.
Monitored parameters: Suspended solidsTransparencyTotal phosphorusAmmonia nitrogenMultiparameter station
Suspended-solids / sludge configuration: PSS-800 supplied the suspended-solids / sludge-concentration signal within a multiparameter monitoring cabinet.
Project role: The 24-hour station supported channel-remediation assessment while consolidating measurements into one maintainable system.

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Wastewater plant entrance and stainless analyzer enclosures at an aeration basin

03 · 2019 · Baoding, Hebei, China

Hancunhe wastewater plant capacity upgrade

Project background: The Hancunhe municipal wastewater-treatment facility was upgraded as part of a wider program to expand and improve urban treatment capacity.
Implementation: In May 2019, continuous analyzers were installed for dissolved oxygen, ORP and suspended solids / sludge concentration to support process operation and outlet compliance.
Monitored parameters: Suspended solids / sludgeDissolved oxygenORP
Suspended-solids / sludge configuration: PSS-600 was documented as the compact suspended-solids / sludge-concentration analyzer in the upgrade.
Project role: The added online data supported operation management and process adjustment during the plant upgrade.

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Two online analyzer cabinets and industrial wastewater treatment buildings

04 · 2021–2024 · Linyi, Shandong, China

Recurring industrial wastewater monitoring service

Project background: An industrial group’s wastewater-treatment facility required ongoing monitoring-system upgrades to support efficient, stable treatment and compliant discharge.
Implementation: From 2021 through 2024, repeated project deliveries combined automatic sampling and online analysis for key wastewater indicators, including suspended solids.
Monitored parameters: Suspended solidsCODcrTotal phosphorusAutomatic sampling
Suspended-solids / sludge configuration: PSS-800 supplied the continuous suspended-solids / sludge-concentration measurement within the analyzer-room system.
Project role: The recurring deliveries enabled the plant team to review treatment performance and discharge conditions with continuous data.

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Compact automatic water-quality station beside a river and flood-control embankment

05 · 2023 · Bengbu, Anhui, China

Huai River flood-control hub water-quality station

Project background: Bengbu lies along the middle and lower Huai River, where seasonal flood pressure requires major drainage and hydraulic infrastructure. The project connected the Huai River and Longzi Lake while improving regional flood relief and environmental management.
Implementation: In November 2023, high-accuracy instruments were installed at key locations and linked through data acquisition to an automation center for real-time water-quality observation.
Monitored parameters: Suspended solidsPermanganate indexAutomatic station
Suspended-solids / sludge configuration: PSS-800 provided the suspended-solids / sludge-concentration measurement in the compact outdoor monitoring station.
Project role: The station supplied continuous data to support flood-control operation, water-resource allocation and environmental oversight.

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Stainless analyzer enclosure mounted beside a municipal wastewater aeration basin

06 · 2017 · Meishan, Sichuan, China

Meishan municipal wastewater plant upgrade

Project background: A municipal PPP wastewater-capacity project in central Meishan upgraded and expanded the original treatment facility.
Implementation: In October 2017, online dissolved-oxygen and suspended-solids / sludge-concentration analyzers were installed to record key process changes continuously.
Monitored parameters: Suspended solids / sludgeDissolved oxygen
Suspended-solids / sludge configuration: PSS-800 was documented as the suspended-solids / sludge-concentration analyzer paired with optical dissolved oxygen measurement.
Project role: The continuous measurements supported treatment-process control and stable compliant discharge after the upgrade.

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Rows of white online analyzers in a wastewater plant monitoring room

07 · 2021 · Fengxiang, Shaanxi, China

Wastewater plant influent and effluent monitoring

Project background: A second municipal wastewater-treatment plant in Fengxiang entered operation in 2021 and required automated online monitoring to support national and local environmental-management requirements.
Implementation: In December 2021, online analyzers were installed at plant influent and outlet points to measure, analyze and transmit the principal water-quality indicators.
Monitored parameters: Suspended solids / sludgepHAutomatic samplingData acquisition
Suspended-solids / sludge configuration: PSS-600 was documented as the suspended-solids / sludge-concentration analyzer in the monitoring room.
Project role: The resulting data supported environmental planning, operating management and enforcement decisions.

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Coal-mine wastewater monitoring building and online analyzer cabinets

08 · 2021 · China

Coal-mine wastewater discharge monitoring

Project background: Coal extraction can generate wastewater and solids that require treatment and monitoring before discharge. The mine established monitoring to meet environmental responsibilities and protect surrounding water resources.
Implementation: In May 2021, an automatic pollution-source monitoring system was installed at the discharge outlet to track treated wastewater conditions continuously.
Monitored parameters: Suspended solidsCODcrAmmonia nitrogenAutomatic sampling
Suspended-solids / sludge configuration: PSS-800 supplied the suspended-solids / sludge-concentration measurement alongside wet-chemistry analyzers and an automatic sampler.
Project role: Continuous outlet data supported treatment optimization, discharge control and environmental-compliance management.

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09 · 2021 · Wuzhishan, Hainan, China

Rural wastewater influent monitoring in Wuzhishan

Project background: Wuzhishan advanced rural environmental management by improving domestic-water facilities and building rural wastewater-treatment infrastructure. The Xinglong Village project formed part of a wider program to improve treatment performance in surrounding communities.
Implementation: In July 2021, online water-quality instruments were installed at the wastewater-treatment influent to collect, monitor and transmit changing inlet conditions continuously, with early warning when measurements exceeded control limits.
Monitored parameters: Suspended solids / sludgeTotal phosphorusAutomatic samplingData acquisition and transmission
Suspended-solids / sludge configuration: PSS-800 supplied the continuous suspended-solids / sludge-concentration measurement alongside a total-phosphorus analyzer, automatic sampler and data-acquisition terminal.
Project role: The integrated station improved visibility of influent loading and supported process control, early warning and compliant treatment performance.

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