LEE

Lee is a water treatment engineer at Qingdao Hiju, where he configures reverse osmosis, membrane, and industrial pure water systems for export buyers. He writes practical guidance on membrane selection, source-water analysis, and system sizing — focused on real engineering decisions rather than product pitches.

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Industrial water treatment systems including RO skids and filtration vessels arranged in a manufacturing facility for different source water types

News · Jun 2026

Different Types of Water Treatment: Matching Method to Source Water

Water treatment covers five method types: physical, chemical, biological, membrane, and disinfection. The right type for a project depends on two things:…

Skid-mounted industrial water treatment equipment train showing primary filtration, membrane, and disinfection stages in an enclosed workshop

News · Jun 2026

Primary, Secondary, and Tertiary Water Treatment: How the Three Stages Differ and What Each One Requires

Primary, secondary, and tertiary water treatment describe three escalating levels of contaminant removal. These stages appear mainly in municipal sewage, industrial effluent,…

Two-stage 5 m3/h brackish water RO system skid with FRP membrane vessels and a high-pressure pump

Project · Jun 2026

A 5 m³/h brackish-water RO system for a bottling plant in north-coast Java, Indonesia

Project basis Value Source water Brackish deep well, ~1,750–1,900 ppm TDS; iron, manganese, hardness Application Bottled drinking water (low-mineral RO) Product capacity…

Tertiary wastewater treatment system polishing secondary effluent with media filtration and UV disinfection skids

News · Jun 2026

What Is Tertiary Wastewater Treatment? Methods, Standards, and System Selection

Tertiary wastewater treatment is the stage after secondary biological treatment that polishes effluent to meet stricter discharge or reuse targets. It removes…

Industrial water treatment methods in a plant: media filtration, reverse osmosis, and disinfection units treating source water

News · Jun 2026

Water Treatment Methods: How to Match the Right Process to Your Source Water

Water treatment methods fall into three families: physical, chemical, and biological. Membrane separation and disinfection work across more than one of them.…

Diffused aeration system raising dissolved oxygen in an industrial water treatment tank

News · Jun 2026

Aeration in Water Treatment: Methods, Applications, and System Selection

Aeration in water treatment adds air to water to raise dissolved oxygen and to strip or oxidize unwanted compounds. How much it…

Industrial water treatment technology system with stainless steel reverse osmosis skids inside a manufacturing facility

News · Jun 2026

Water Treatment Technology: Matching the Right Process to Your Source Water

Water treatment technology is not one machine but a sequence of physical, chemical, and biological steps, chosen to match a given source…

MF UF NF and RO membrane water treatment system skid in an industrial facility

News · Jun 2026

Membrane Technology for Water Treatment: How to Choose MF, UF, NF, or RO Based on Source Water

Membrane technology for water treatment is a family of pressure-driven processes — microfiltration, ultrafiltration, nanofiltration, and reverse osmosis — that remove contaminants…

Skid-mounted industrial RO pure water system with pretreatment filters, high-pressure pump, and membrane housings inside a manufacturing facility

News · May 2026

Industrial Pure Water Process: Stages, Key Technologies, and Specification Variables

An industrial pure water process removes suspended solids, dissolved salts, organic compounds, and microorganisms from raw water through multiple treatment stages. Each…

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