Maanshan Iron and steel steelmaking plant south blast furnace gas desalting washing tower concentratIssuing time:2023-09-04 10:09 The treatment scale of the project is 250 m3/ day, and the treatment process of "tubular ultrafiltration membrane + primary DTRO membrane + secondary roll RO membrane" is adopted, which solves the problem of "three high (high COD, high ammonia nitrogen, high total salt content)" wastewater resource recycling of the concentrated water of the blast furnace gas desalting washing tower in the steel industry. |