Sewage Treatment Plant

Sewage Treatment Plant

STP for Hotel in Chennai

The primary objective of sewage treatment plants for hotels in Chennai is to treat the wastewater influent, thereby mitigating the risk of transmitting dangerous diseases to humans. Wastewater from hotels is directed to the treatment plant, where it undergoes several stages of treatment facilitated by drains and collectors. Effective sewage treatment plants tailored for small, medium, and large-sized hotels and resorts in Chennai are typically compact, incorporating mechanical, chemical, and biological treatments and techniques aimed at minimizing environmental pollution, particularly water pollution.

• Preliminary Treatment

  This is the first step in processing wastewater, also known as mechanical/physical treatment. It involves screening, sedimentation, and skimming to remove coarse solids like rags, sticks, and paper. This stage is essential to prevent damage to pumps and equipment in subsequent processes.

• Primary Treatment

  Known as physical-chemical treatment, this stage aims to remove organic and inorganic solids through sedimentation and floatation. The process reduces suspended solids by 50-60% and lowers BOD levels by up to 30-40%, preparing the wastewater for biological treatment.

• Secondary Treatment

  This biological treatment stage uses the Activated Sludge Process to degrade organic matter. Wastewater is mixed with microorganisms in aeration tanks, breaking down remaining pollutants. This stage removes about 80-90% of organic solids and prepares the water for final treatment.

• Tertiary Treatment

  The final stage involves physical, chemical, or biological processes to remove residual solids and microorganisms. Disinfection using chlorine, ozone, or UV light ensures the treated water is safe for release or reuse, protecting human health and the environment in Chennai.

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