sludge dewatering waste water treatment chemicals in iran

sludge dewatering waste water treatment chemicals in iran
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  • 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.
  • How much wastewater is produced in Iran?
  • Total municipal wastewater generated in Iran is 4.61 billion m3/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 $/m3 wastewater.
  • How much does wastewater treatment cost in Iran?
  • The treatment plants operational costs usually amount up to 0.2 US $/m3 wastewater. About 55% of treated municipal effluent is reused in Iran, with an emphasis on the agricultural sector. The electricity consumption in municipal wastewater treatment facilities amounts for 0.1% (241 million kWh/y) of the total electricity consumption of the country.
  • What are the barriers to the municipal wastewater treatment industry in Iran?
  • Herein, major barriers to the municipal wastewater treatment industry in Iran were identified in four key groups, including barriers related to wastewater treatment plants, environmental and standards, economic aspects, and treated wastewater reuse, as follows: