Sewage Treatment Plant Built in Ryanggang Province

Officials of Ryanggang Province built a new sewage treatment plant with tens of settling ponds in Hyesan City by introducing an advanced technology of biological purification.

The plant will contribute to protecting ecological environment better by purifying industrial and urban sewage from factories, enterprises and residential areas in the city.

It ensures high economic profitability as it saves large areas of land, raises purification efficiency and produces quality organic fertilizer.

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