wastewater treatment plant tour flush to finish in iran

wastewater treatment plant tour flush to finish in iran
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  • What is the history of municipal wastewater collection and treatment in Iran?
  • The main construction and development of municipal wastewater collection and treatment in Iran relates to the Islamic revolution period in 1978. Now, Iran, with 150 municipal WWTPs, covers 23 million inhabitants and the total collected wastewater is more than 3.5 million m 3 /d.
  • How much is municipal wastewater treated in Iran?
  • Total municipal wastewater generated in Iran is 4.61 billion m 3 /y out of which only 42% is treated. The conventional activated sludge process accounted for the largest share (> 60%) in municipal wastewater treatment in Iran. The treatment plants operational costs usually amount up to 0.2 US $/m 3 wastewater.
  • How many municipal wastewater plants are there in Iran?
  • Now, Iran’s 129 municipal wastewater treatment plants cover 13 million inhabitants and generates more than 2,425,000 cubic meters of treated wastewater per day.(Table 2) Municipal wastewater is mainly domestic and goes through secondary biological treatment. No further treatment is provided due to cost.
  • Why is the wastewater treatment plant in Iran poorly treated?
  • As can be seen in Table 2, the use of conventional treatment processes, lack of application of advanced technologies, improper operation, skill-shortage of labor, and not updated wastewater discharge standards can be the main reasons for the poorly treated effluent quality in the municipal wastewater treatment plant in Iran.