Tuesday, 7 July 2015

What are the advantages of Cement kiln disposal of sewage sludge

The advantages of disposal of sewage sludge by cement kiln than by professional incinerator
  High treatment temperature
  Temperature in cement kiln can reach 1800 ℃,the burn rate of harmful ingredient in the mainly organic matter can up to 99.999%, even the stable organic matter can also be completely decomposed
  Burning atmosphere stable
  Cement kiln is a large rotary cylinder, not only can handle large amounts of waste, and can maintain a homogeneous, stable burning atmosphere.
  Long Incineration
  Sludge stay a long time at the high temperature furnace, burning fully.
  Large-scale treatment
  New cement kiln treatment sludge accounted for about 2% of kiln production.
  Alkaline cement kiln atmosphere
  Avoid "secondary pollution" resulting by burning exhaust gas of common incinerator
  Cement kilns burning hazardous waste
  Allows solidification of potential presence metal elements in hazardous waste, plays a dual role of exhaust gas purification and heavy metals high temperature curing in mineral admixture.
  Cement kiln system is operated in Negative pressure
  Smoke and dust will not spill out, to prevent the re-contamination radically in the process.
  Cement kiln treatment sludge
  Because of the sulfur absorption effect of theburning process, integrated emissions of pollutants was improved and reduced.
  Refractory bricks in Cement kiln
  Firebrick, raw materials, kiln coating and clinker are alkaline, can absorb SO2, thereby suppressing their emissions.
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