Akulu Marchon

PROJECT TITLE:

Akulu Marchon – Chemical Effluent Plant – 4m3/hr DAF Plant

CUSTOMER DETAILS:

Akulu Marchon (Akulu) supplies chemical raw materials and value-adding services to the cosmetics, toiletry and detergent industries in South Africa and Southern Africa. Products include petroleum jelly and white mineral oils for the local ethnic skin and hair care markets, locally-produced and imported specialty surfactants for household and personal care products and chemical specialties for the personal care and cosmetic industries.

APPLICATION:

The effluent produced by Akulu did not meet the municipal discharge standards and therefore required additional treatment before discharge.  In order to treat Akulu Marchon’s effluent, it was proposed to design, supply, install and commission a dissolved air floatation unit to treat 4m3/hr. Initially a pilot plant was installed. The DAF plant aimed to reduce COD levels and aid in the removal of Anionic surfactant and F&O. It was also proposed for Akulu Marchon to enter into a two year service and maintenance contract (chemical supply). Coagulant, flocculant and pH correction products will vary in dosage dependent upon the influent waste water.

The DAF plant was completed with all its auxiliary plant and equipment, duty and standby pumps, pre-treatment stage with chemical dosing, a flocculation retention/reaction stage and included an air water saturator recirculation system.

FEED WATER:

Effluent Process Water

PRODUCT WATER:

Clarified effluent water

PERFORMANCE TARGET:

Water that meets municipal discharge standards

Discharge Specifications

pH 5.9-10.0
Conductivity 500ms/m
TSS <1000mg/l
COD <5000mg/l
Iron Total <20mg/l
Orthophosphate <50mg/l
Ammonium Nitrogen <200mg/l
Sodium <500mg/l
Fats/Oils <500mg/l
Anionic <500mg/l

 

PROCESS:

  • Jar Tests
  • Flocculation
  • pH Correction
  • Chemical Dosing
  • Dissolved Air Floatation

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