Application

Discharge and partial reuse for general cleaning purposes

Capacity

2,400 m³/d

Construction

Sigma Water Engineering (M) Sdn Bhd

Location

Johor Bahru, Malaysia

Source

Coffee waste streams

Start-up

July 2012

background

Super Group Ltd, a leading Food & Beverage brand owner with market dominance in Southeast Asia, expanded and upgraded their existing coffee wastewater treatment plant (WWTP) of their instant coffee production plant in in Johor Bahru, Malaysia. The upgraded plant needed to have a capacity of 2400 m3/d and achieve the industrial wastewater discharge limits from the local authorities.

For this, Super Group Ltd adopted the Airlift™ MBR technology in their wastewater treatment plant. The technology combines the biological degradation step with a membrane separation process. This provides efficient treatment of industrial wastewater with high organic content (COD) and a high suspended solids (TSS) concentration.

process

Biological treatment
Process: Nitrification and denitrification
Aeration: Combined surface and bubble aeration system

Ultrafiltration

Process: Pentair Crossflow UF
Membranes: X-Flow Compact membranes

Nanofiltration
Process: Crossflow
Membranes: Spiral wound nanofiltration membranes

Scope of supply

92 x Compact 33V 5.2mm
Aerators
Engineering & Commissioning

water quality

 PARAMETER UNITS  FEED  PERMEATE 
 COD mg/l
< 13,000  < 200
 BOD
mg/l
< 6,500 < 50
 N-Kj  mg/l
< 1,000  < 1
 TSS
NTU
- < 0,5

advantages

  • The permeate achieves industrial wastewater discharge limits
  • The permeate can be re-used for nonpotable applications
  • The system has a limited space requirement
  • The system offers automated operation allowing the maintenance of the plant to be simple and clean
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