PRIMARY TREATMENT TECHNOLOGIES

(mechanical treatment, sedimentation/clarification)

According to the traditional approach for wastewater treatment, the primary treatment includes coarse solids removal, grit removal and dewatering, flow equalization, fine screening and screenings dewatering, primary sedimentation.


Based on the economic and technological feasibility "REŠETILOVS un CO" offers the following approaches and technologies:

Basic technologies

Option 1 - design “P” with block of in ground facilities

  1. Block of in ground facilities:
      1.1. Wastewater receiving chamber with mechanically cleaned basket
      1.2. Grit chamber
      1.3. Equalization basin with wastewater feed pumping equipment
  2. In ground primary sedimentation-coagulation tank


Option 2 - design “C” with block of in ground facilities

  1. Block of in ground facilities:
      1.1. Wastewater receiving chamber with mechanically cleaned basket
      1.2. Grit chamber
      1.3. Equalization basin with wastewater feed pumping equipment
  2. Above ground primary sedimentation-coagulation tank


Additional technologies

Option 3 - design “P”

  1. Well with manually cleaned screen
  2. Well-grit chamber
  3. Equalization basin
  4. Wastewater feed pumping station
  5. In ground primary sedimentation-coagulation tank


Option 4 - design “C”

  1. Well with manually cleaned screen
  2. Well-grit chamber
  3. Equalization basin
  4. Wastewater feed pumping station
  5. Above ground primary sedimentation-coagulation tank


LEGEND:
RW - raw (untreated) wastewater
EPT - effluent from primary treatment

Basic technologies

Option 1 - design “C” with block of in ground facilities

  1. Block of in ground facilities:
      1.1. Wastewater receiving chamber with mechanically cleaned basket
      1.2. Grit chamber
      1.3. Equalization basin with wastewater feed pumping equipment
  2. Mechanical treatment block:
      2.1. Fine screen
      2.2. Container for screenings
  3. Above ground primary sedimentation-coagulation tank


Option 2 - design “Р” with block of in ground facilities

  1. Block of in ground facilities:
      1.1. Wastewater receiving chamber with mechanically cleaned basket
      1.2. Grit chamber
      1.3. Equalization basin with wastewater feed pumping equipment
  2. Mechanical treatment block:
      2.1. Fine screen
      2.2. Container for screenings
  3. In ground primary sedimentation-coagulation tank


Additional technologies

Option 3 - design “С”

  1. Well with manually cleaned screen
  2. Well-grit chamber
  3. Equalization basin
  4. Wastewater feed pumping station
  5. Mechanical treatment block:
      5.1. Fine screen
      5.2. Container for screenings
  6. Above ground primary sedimentation-coagulation tank


Option 4 - design “Р”

  1. Well with manually cleaned screen
  2. Well-grit chamber
  3. Equalization basin
  4. Wastewater feed pumping station
  5. Mechanical treatment block:
      5.1. Fine screen
      5.2. Container for screenings
  6. In ground primary sedimentation-coagulation tank


LEGEND:
RW - raw (untreated) wastewater
EPT - effluent from primary treatment

Option 1 - design “C” conventional gravity sewer

  1. Wastewater feed pumping station with mechanically cleaned basket
  2. Mechanical treatment block:
      2.1. Fine screen
      2.2. Container for screenings
      2.3. Grit removal unit
      2.4. Grit gravitational dewatering unit
  3. Equalization basin with wastewater feed pumping equipment
  4. Above ground primary sedimentation-coagulation tank/primary clarification tank with coagulation chamber, including mixing compartment with flocculant


Option 2 - design “С” pressure sewer

  1. Mechanical treatment block:
      1.1. Fine screen
      1.2. Container for screenings
      1.3. Grit removal unit
      1.4. Grit gravitational dewatering unit
  2. Equalization basin with wastewater feed pumping equipment
  3. Above ground primary sedimentation-coagulation tank/primary clarification tank with coagulation chamber, including mixing compartment with flocculant


LEGEND:
RW - raw (untreated) wastewater
EPT - effluent from primary treatment

Option 1 - design “C” conventional gravity sewer

  1. Wastewater feed pumping station with mechanically cleaned basket
  2. Mechanical treatment block:
      2.1. Fine screen
      2.2. Hydraulic press
      2.3. Container for dewatered screenings
      2.4. Grit removal unit
      2.5. Grit gravitational dewatering unit
  3. Equalization basin with wastewater feed pumping equipment
  4. Above ground primary sedimentation-coagulation tank/primary clarification tank with coagulation chamber, including mixing compartment with flocculant


Option 2 - design “С” pressure sewer

  1. Mechanical treatment block:
      1.1. Fine screen
      1.2. Hydraulic press
      1.3. Container for screenings
      1.4. Grit removal unit
      1.5. Grit gravitational dewatering unit
  2. Equalization basin with wastewater feed pumping equipment
  3. Above ground primary sedimentation-coagulation tank/primary clarification tank with coagulation chamber, including mixing compartment with flocculant


LEGEND:
RW - raw (untreated) wastewater
EPT - effluent from primary treatment

Option 1 - design “C” conventional gravity sewer

  1. Wastewater feed pumping station with mechanically cleaned basket
  2. Fine mechanical treatment block:
      2.1. Fine screen
      2.2. Hydraulic press
      2.3. Container for dewatered screenings
      2.4. Grit removal unit
      2.5. Slopped screw coveyor
      2.6. Container for dewatered grit
  3. Equalization basin with wastewater feed pumping equipment
  4. Above ground primary clarification tank


Option 2 - design “С” pressure sewer

  1. Fine mechanical treatment block:
      1.1. Fine screen
      1.2. Hydraulic press
      1.3. Container for dewatered screenings
      1.4. Grit removal unit
      1.5. Slopped screw conveyor
      1.6. Container for dewatered grit
  2. Equalization basin with wastewater feed pumping equipment
  3. Above ground primary clarification tank


Option 3 - design “С” conventional gravity sewer

  1. Wastewater feed pumping station with mechanically cleaned basket
  2. Mechanical treatment block:
      2.1. Fine screen
      2.2. Hydraulic press
      2.3. Container for dewatered screenings
      2.4. Grit removal unit
      2.5. Horizontal screw conveyor
      2.6. Slopped screw conveyor
      2.7. Container for dewatered grit
  3. Equalization basin with wastewater feed pumping equipment
  4. Above ground primary clarification tank


Option 4 - design “С” pressure sewer

  1. Fine mechanical treatment block:
      1.1. Fine screen
      1.2. Hydraulic press
      1.3. Container for dewatered screenings
      1.4. Grit removal unit
      1.5. Horizontal screw conveyor
      1.6. Slopped screw conveyor
      1.7. Container for dewatered grit
  2. Equalization basin with wastewater feed pumping equipment
  3. Above ground primary clarification tank


Option 5 - design “А.С” pressure sewer

  1. Fine mechanical treatment block:
      1.1. Fine screen
      1.2. Hydraulic press
      1.3. Container for dewatered screenings
      1.4. Grit removal unit
      1.5. Horizontal screw conveyor
      1.6. Slopped screw conveyor
      1.7. Container for dewatered grit
  2. Equalization tank with wastewater feed pumping equipment
  3. Aerobic sludge digester with sludge feed pump
  4. Above ground primary clerification tank


LEGEND:
RW - raw (untreated) wastewater
EPT - effluent from primary treatment
Сделано в Amparo