inquiry to IMTIAZ ENGINEERING SERVICES

Subject: Cooling Towers required Dear Sirs, We require cooling towers for our two clients; one at power plant and the other at a textile plant. Please quote your best price with all details about the product. A. Cooling Tower for a Textile Plant: Wastewater of Textile Plant has following characteristics; Flow = 185 cubic meter / hr Max Temperature = 55 degrees Celsius Required cold water temperature = 35 degree Celsius Please note although we are going to install a fine rotary screen prior to cooling tower but we want you to take into account the fine fluff coming in effluent. There must be enough provisions in your design which help us in routine cleaning and maintenance of cooling tower. B. Cooling Tower for a Power Plant The effluent need to be fed to the DAF Plant is around 35 deg C. FOTPs Oily influent to 720 cum/day DAF and required NEQS is mentioned below. Quality of Untreated Oily Effluent Quality of Treated Effluent Required as per NEQS Temperature 60-70 C° 37-40 C° Oil & Grease 200ppm 10 ppm BOD 275 mg/l 80 mg/l COD 2840mg/l 150 mg/l TSS 1490mg/l 150 mg/l TDS 1306mg/l 3500 mg/l Lead 0.16mg/l 0.5 mg/l Copper 0.21mg/l 1.0 mg/l Iron 100mg/l 8.0 mg/l Cadmium 0.005mg/l 0.1 mg/l An-ionic detergent 1.870mg/l 20 mg/l Sulphide 0.055mg/l 1.0 mg/l Zinc 0.06mg/l 5.0 mg/l Manganese 0.071mg/l 1.5 mg/l Boron 0.01mg/l 6.0 mg/l Chlorin 0.07mg/l 1.0 mg/l Nickle 0.0036mg/l 1.0 mg/l PH 7.6-8.2 6.0-9.0 Silver 0.55mg/l 1.0 mg/l Please revert with your quotation and the related literature. Further, please provide us your reference list of Cooling Towers constructed and installed by your company. Thank you & Best Regards. Hassan Marketting M. Imran***