24 articles

• Clean Water Tank Construction Work at PT Takeda Indonesia
  Published : 2025-07-17 17:03:18 | Categories : Water Treatment

  PT Zefa Valindo Jaya was entrusted by PT Takeda Indonesia, one of Indonesia's leading pharmaceutical manufacturers, to develop a clean water storage system. The system, designed for clean water from..

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• Air Intake Filter Selection Criteria for Gas Turbine
  Published : 2025-07-03 11:24:21 | Categories : HVAC

  Initial Pressure Drop the lower the better, Initial Efficiency the higher the better, Filter Efficiency, Dust Holding Capacity...

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• What Particle Sizes Can a HEPA Filter Capture?
  Published : 2024-10-31 17:05:23 | Categories : HVAC

  HEPA are high efficiency standard filters that often used in healthcare facilities, food & pharmaceutical manufacturing because they are able to filter.....

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• Choosing the Right Type of Filter Media for Clean Water and Wastewater Treatment
  Published : 2024-09-28 16:54:47 | Categories : Water Treatment

  Choosing water filter media according to water problems: muddy > silica sand and gravel, odor > activated carbon, metal iron > manganese, zeolite, ferrolite, anthracite, cation and anion resin..

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• Reducing COD and BOD Levels in Wastewater Using MBBR Moving Bed Biofilm Reactor
  Published : 2024-08-30 16:45:53 | Categories : Wastewater Treatment

  Moving Bed Biofilm Reactor (MBBR) utilizes biofilm technology to decompose pollutants and is often used to decompose Chemical Oxygen Demand (COD) and Biological Oxygen Demand (BOD) in Wastewater ...

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• What Chemicals Are Needed for Wastewater Treatment?
  Published : 2024-07-31 16:34:47 | Categories : Chemicals , Water Treatment

  The main functions of chemicals in wastewater treatment systems include: Decomposing organic materials, Accelerating the sedimentation process, Neutralizing pH, Preventing foam formation, Killing..

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• Differences in Air Filter Standards: ASHRAE 52.2 (MERV) vs ISO 16890
  Published : 2024-06-28 16:13:50 | Categories : HVAC

  Differences in Air Filter Standards ASHRAE 52.2 (MERV) vs ISO 16890 in classifying air filters: measuring the number of particles vs comparing the mass of particles after and before passing through..

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• Preventive Maintenance and Chiller Cleaning
  Published : 2024-05-30 16:07:26 | Categories : Chemicals , Water Treatment

  Maintenance and cleaning of the chiller includes cleaning the Condenser Fan Coil, Checking the Filter Drier, Checking the Ampere, Checking the Refrigerant Pressure, Oil Level, Sight Glass, Compressor

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• Chemical Cleaning on Fillers Media to Optimize Cooling Tower Performance
  Published : 2024-04-30 17:45:09 | Categories : Chemicals , Water Treatment

  In cooling towers, filler or fill media plays a role in increasing the contact surface area between air and water to help distribute water evenly. It is very susceptible to crusting and can inhibit..

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