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QUESTIONNAIRE
We would like to assist you in solving your environmental engineering problem especially in water and wastewater treatment and reclamation systems.  In order to provide you with a competitive and cost-effective solution, please help us to fill in the investigation form for your existing system.

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1

Type of water for treatment:

  Groundwater River water Surface water Wastewater 
 

Pls specify source of wastewater (eg. from plating process)

 
 
2 Existing water treatment system, if any:
  Process screen      Coagulation  
  Pls specify type of coagulants and usage rate
 
  Flocculation    
 
  Sedimentation    
  Others, Pls specify    
 
 
3
    Quality of incoming water requiring treatment
  Date of sampling
 
Item Unit Result
Before After Treatment
(if any)
Water Flowrate L/m or m3/h
Temperature °C
pH  
BOD (5 days at 20°C)* mg/L
COD* mg/L
Total Suspended Solids  (TSS) mg/L
Total Suspended Solids  (TSS) mg/L
Turbidity NTU
Grease and Oil mg/L
Copper^ mg/L
Lead^ mg/L
Mercury^ mg/L
Nickel^ mg/L
Zinc^ mg/L
Hardness mg/L
Calcium mg/L
Magnesium mg/L
Iron^ mg/L
E. Coli (per 100ml Sample)# Not Detectable

  • * is only applicable to industrial wastewater, municipal sewage wastewater, etc.
  • # is only applicable if water is to be used for human consumption.
  • ^ is optional unless the particular country is known to contain high content of some metals.  For example, Bangladesh is well known for high level of arsenic occurring naturally in her waters.
 
4 Application of treated water
  Discharge to sewer Drinking  
  For boiler makeup water    
  Others Pls specify 
 
5
    Target specifications for treated water, if any:
 

Item Unit Target Value
Water Flowrate L/m or m3/h
Temperature °C
pH  
BOD (5 days at 20°C) Mg/L
COD Mg/L
Total Suspended Solids  (TSS) Mg/L
Total Dissolved Solids (TDS) Mg/L
Grease and Oil Mg/L
Conductivity  
Copper Mg/L
Lead Mg/L
Mercury Mg/L
Nickel Mg/L
Zinc Mg/L
Hardness Mg/L
Calcium Mg/L
Magnesium Mg/L
Iron Mg/L
E. Coli (per 100ml Sample)# Not Detectable

 

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