Projects
Industrial RO project in Dinajpur: interpreting a 1500 GPD / 250 LPH system brief
A project-focused explanation of the supplied Dinajpur industrial RO installation image and the design questions behind this type of system.
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Projects
Automatic RO project in Narayanganj: lessons from a 2 m³/hr plant
A project-focused article based on the supplied Waterwise artwork showing an automatic 2 m³/hr RO plant in Narayanganj.
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Projects
Stainless-steel DM and EDI project in Monohordi: 750 LPH system notes
A project-focused article based on supplied Waterwise artwork for a stainless-steel industrial water-treatment plant with DM and EDI.
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Projects
Industrial WTP 20 m³/hr: project planning lessons from a large-flow plant
A project-focused article based on supplied Waterwise artwork showing a 20 m³/hr industrial water treatment plant.
Read guide →AllROWTP & filtrationWastewaterHigh-puritySofteningTesting & qualityMaintenanceEquipmentCommercialBuyer's guideProjects
Bangladesh Water IssuesArsenic in Bangladesh: what a water test should tell you
A practical guide to arsenic water testing, Bangladesh standards and treatment decisions.
Read article→GroundwaterIron in groundwater: staining, taste and treatment planning
How iron concentration, oxidation, pH and backwash affect groundwater iron-removal system design.
Read article→RO EquipmentHow to size an RO system without guessing
A practical guide to RO capacity, daily demand, production hours, recovery, storage and pretreatment.
Read article→ETPETP design starts with wastewater characterisation
A practical explanation of the wastewater information needed before selecting an effluent treatment process.
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STPSTP Basics: Treatment Planning
A practical introduction to sewage treatment plant assessment, flow, biological treatment, clarification, disinfection and sludge handling.
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Water TestingWhy Water Testing Should Come Before Treatment Selection
How source, intended use and relevant water-quality parameters help define treatment before selecting equipment.
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Water SofteningWater Hardness and Treatment Planning
What water hardness means for scale, softening, RO pretreatment and system maintenance.
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Drinking WaterTDS in Water: What It Means
Understand what total dissolved solids can indicate and why a TDS reading alone does not identify contaminants or prove drinking-water safety.
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Industrial ROIndustrial RO Pretreatment
Why industrial RO pretreatment should be selected from feed-water chemistry, fouling risk, scaling risk and operating conditions.
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DisinfectionChlorine in drinking water: what residual chlorine means
Chlorine is widely used for disinfection, but the right residual depends on the system and intended use.
Read article→Water qualityWater pH and treatment planning: why the number matters
pH affects corrosion, scaling, disinfection and the performance of several treatment processes.
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FiltrationTurbidity in water: what cloudy water means for filtration
Turbidity is an optical measure associated with suspended and fine particles, and it can affect filtration and disinfection.
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GroundwaterManganese in groundwater: assessment and removal planning
Manganese can create colour, deposits and operational problems, and its treatment often depends on oxidation and filtration conditions.
Read article→Bangladesh water qualitySalinity in coastal water: treatment options and RO planning
Coastal and brackish water can contain elevated dissolved salts that require a different treatment approach from ordinary freshwater filtration.
Read article→Water testingMicrobiological water testing: when bacteria testing matters
Microbiological testing is important when the intended use requires hygienic water and the source or storage system could be vulnerable to contamination.
Read article→Bangladesh water qualityTube-well water testing in Bangladesh: what to check before treatment
Tube-well water can vary significantly by location and depth, so equipment selection should start with a relevant test rather than a generic package.
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Commercial ROCommercial RO system planning for offices, hotels and institutions
Commercial RO design should match daily demand, peak usage, storage, feed quality and realistic operating hours.
Read article→Commercial water treatmentHotel water treatment planning: why one treatment stage rarely suits every outlet
Hotels typically have several distinct water uses with different quality and flow requirements, so a single treatment stage sized for one purpose often cannot serve every outlet in the property properly.
Read article→Commercial filtrationRestaurant water filtration: drinking, cooking and equipment protection
Restaurant water treatment may need to address drinking-water quality while also protecting beverage, ice and kitchen equipment.
Read article→Industrial waterBoiler feed-water treatment: hardness, TDS and pretreatment
Boiler systems can be sensitive to scaling and corrosion, so feed-water treatment should be selected from boiler pressure, makeup water and operating targets.
Read article→Industrial waterCooling tower water treatment: why concentration and blowdown control matter
Cooling towers continuously concentrate minerals as water evaporates, which makes ongoing monitoring, blowdown control and water treatment an operational necessity rather than a one-time setup.
Read article→SofteningWater softener regeneration: salt use, capacity and maintenance
Ion-exchange softeners remove hardness until the resin capacity is used, after which regeneration restores the exchange sites.
Read article→FiltrationMultimedia filtration: where sand and media filters fit in water treatment
Multimedia filters are used to reduce suspended solids and turbidity before downstream treatment or storage.
Read article→FiltrationActivated carbon filtration: chlorine, taste and organic compounds
Activated carbon can adsorb chlorine and some organic compounds, making it useful in drinking-water and pretreatment applications.
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