Liding Blue Whale: North American Photovoltaic Energy Storage 'Zero Energy Consumption' Wastewater Treatment Case

High-end decentralized wastewater treatment equipment service provider — MIIT "Environmental Protection Equipment Manufacturing Industry (Wastewater Treatment) Compliant Enterprise" —

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The North American continent faces the dual pressures of water scarcity and severe water pollution, with more than half of its territory in a state of unsustainable water resources. Its developed manufacturing regions coincide with the driest areas, and prolonged droughts have intensified the supply-demand conflict. Meanwhile, heavy metal and bacterial contamination in industrial discharge and urban water supplies is prominent, and traditional centralized wastewater treatment facilities are difficult to popularize due to insufficient power grid coverage and high energy consumption. Facing this dilemma, the North American market urgently needs wastewater treatment solutions that do not rely on the power grid and feature low carbon emissions.

Liding Environmental Protection's Lanjing series containerized integrated equipment has been successfully deployed, achieving true zero energy consumption and zero carbon emissions during the operation phase through the innovative combination of a photovoltaic + energy storage system and an efficient MBR process.

The project mainly treats domestic sewage from residential areas, with a treatment capacity of 660 tons/day. It was originally designed to meet daily treatment needs through a photovoltaic and energy storage system without connecting to the grid. To cope with special conditions such as extreme continuous rainy weather or photovoltaic system maintenance, the project is also equipped with an automatic diesel generator as an emergency backup power source, which starts automatically when battery power drops to a set threshold, ensuring uninterrupted 24/7 operation of the equipment.

The Liding Lanjing series equipment used is centered on the efficient coordination of three major modules:

The efficient MBR membrane bioreactor system replaces conventional sedimentation with membrane separation, greatly improving solid-liquid separation efficiency. The effluent is clear and stable, directly meeting the strictest local reuse standards;

The off-grid photovoltaic + battery power supply module features a customized photovoltaic system tailored to the region's abundant sunshine, driving equipment operation in real time and storing surplus electricity, ensuring continuous operation at night and on rainy days, completely eliminating dependence on the power grid;

The intelligent remote O&M system, through the "Dundilong" smart platform, dynamically monitors energy and equipment status and enables remote diagnostics, significantly reducing on-site maintenance costs.

From extreme cold to the tropics, Liding's product series, with its modular, intelligent, and weather-resistant design, continues to support environmental governance needs in different regions.

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