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Filtration
How to Choose a Self Cleaning Filter for Industrial Water Treatment
A self cleaning filter should be selected from water quality, flow rate, suspended solids, filtration accuracy, pressure and maintenance requirements.
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Water Treatment Blog and Technical Articles
Engineering guides for filtration, clarification, cooling towers, RO pretreatment, dosing, DAF, sludge and sewage treatment.
Cooling Tower
FRP Cooling Tower vs Closed Circuit Cooling Tower Guide
FRP cooling towers and closed circuit cooling towers both reject heat, but they serve different water quality and process protection needs.
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Industrial Wastewater
High Salinity Oily Wastewater Treatment and Reuse
High salinity oily wastewater usually needs oil removal, coagulation, flotation, filtration and membrane or concentration steps for reuse.
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Surface Water
River Water Treatment System Design Guide for High Turbidity Industrial Water
River water treatment must handle seasonal turbidity changes, suspended solids, algae and downstream process requirements.
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Clarification
How to Design an Industrial River Water Clarification System
Industrial river water clarification needs process testing, chemical selection and hydraulic design to keep effluent stable.
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Filtration
Self Cleaning Filter vs Automatic Backwash Filter
The two terms are often used together, but the cleaning mechanism, screen structure and application conditions can differ.
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Clarification
What Is a Lamella Clarifier?
A lamella clarifier uses inclined plates or tubes to increase settling area and separate floc from water in a compact tank.
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Cooling Tower
Cross Flow vs Counter Flow Cooling Tower
Cross flow and counter flow cooling towers differ in air direction, footprint, maintenance access and thermal performance.
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Membrane Systems
RO Pretreatment Process Guide
RO membrane performance depends heavily on pretreatment that controls turbidity, suspended solids, scaling and biological fouling.
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Dosing
What Is a Chemical Dosing System?
A chemical dosing system prepares and injects chemicals at controlled flow rates for water treatment processes.
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Turnkey Water Treatment Systems for EPC Projects
Turnkey water treatment systems are useful when EPC teams need one integrated supplier to support process selection, fabrication, delivery, and commissioning.
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How to Design a Chemical Dosing System
Chemical dosing systems must be designed around the chemical, the process goal, and the operating conditions.
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Industrial RO vs UF Pretreatment
RO and UF are not interchangeable pretreatment choices. They play different roles in the system.
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Industrial Wastewater Reuse System Design
Industrial wastewater reuse is usually a process selection problem, not just a filtration problem.
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How to Size a Sludge Thickener
Sludge thickening is an important part of many water treatment systems because solids handling affects the whole plant.
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How to Choose a Closed Circuit Cooling Tower
Closed circuit cooling towers are used when the process fluid must be separated from the spray water and air stream.
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How to Treat High-Salinity Oily Wastewater for Reuse
High-salinity oily wastewater is usually more difficult than standard wastewater because it combines oil, salts, and reuse requirements.
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How to Design a Cooling Tower Side Stream Filtration System
Side stream filtration is one of the most practical ways to manage suspended solids in cooling water systems.
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High Efficiency Clarifier vs Lamella Clarifier
High efficiency clarifiers and lamella clarifiers are both used for solids separation, but they are selected for different project needs.
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How to Select a DAF System
DAF is often selected when oil, grease, or fine solids need to be removed in a process that benefits from flotation-based separation.
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How to Design Activated Carbon Filtration
Activated carbon filtration is often used as a polishing or adsorption step, but the design should still be based on real project conditions.
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Seasonal High-Turbidity Surface Water Treatment
Seasonal water quality change is one of the most common problems in surface water treatment.
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Industrial Water Treatment Equipment Manufacturer Selection Guide
Choosing a water treatment equipment manufacturer is not just a price decision.
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How to Select a Self-Cleaning Filter
A self-cleaning filter is selected when you want automatic solids removal and lower manual maintenance.
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Industrial Cooling Tower Selection Guide
Industrial cooling towers must be selected from the actual heat rejection requirement, water quality, and site conditions.
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Water Treatment for Steel Plants in Southeast Asia
Steel plant projects in Southeast Asia often need equipment that can handle real site conditions, shipping requirements, and practical commissioning support.
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How to Remove Nitrate from Industrial Wastewater
Nitrate removal is not a one-size-fits-all process.
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DAF vs Sedimentation
DAF and sedimentation are both solids separation methods, but they are not the same process.
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Pretreatment Before MVR Evaporation
MVR systems can be highly effective, but the feed stream still needs the right pretreatment.
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How to Treat High-Chloride Wastewater
High-chloride wastewater often requires more than simple solids removal.
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ZLD Process Selection Guide
Zero liquid discharge is not one fixed process. The correct route depends on wastewater composition, salt load, concentrate handling, and project constraints.
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MVR for RO Concentrate Treatment
RO concentrate treatment can be difficult because the stream is often more challenging than the feed.
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How to Treat Acid Pickling Wastewater
Acid pickling wastewater often requires careful pretreatment because of acid content, dissolved metals, suspended solids, and changing process conditions.
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When Biological Treatment Is Not Suitable for Industrial Wastewater
Biological treatment is useful in many projects, but it is not the correct answer for every industrial wastewater stream.
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How to Select RO Recovery Rate
RO recovery rate should be selected by balancing water production against concentrate control, scaling risk, and membrane stability.
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Why RO Permeate and Concentrate Flow Both Decrease
If both RO permeate and concentrate flow decrease, the cause is often related to feed pressure, pump performance, fouling, scaling, or operating changes in the system.
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One-Stage vs Two-Stage RO System
One-stage and two-stage RO systems are selected for different operating goals.
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How to Size RO Membrane Quantity
RO membrane quantity should be sized from the project basis, not from a generic rule of thumb.
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HPRO vs STRO vs DTRO
HPRO, STRO, and DTRO are used in different high-pressure RO contexts.
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When Is UF Pretreatment Necessary Before RO?
UF pretreatment is necessary before RO when the raw water quality cannot be controlled well enough by simpler pretreatment methods or when the project needs more stable membrane pr
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How to Size a Multi Media Filter
Learn how to size a multi media filter using design flow, raw water quality, target water quality, operating pressure, and project constraints.
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Gravity Valveless Filter: Working Principle and Applications
Learn how a gravity valveless filter works, where it is used, and what project conditions should be checked before selection.
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Side Stream Filtration for Steel Plant Cooling Water
Learn how side stream filtration protects steel plant cooling water systems from suspended solids, scale particles, and operational instability.
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Multi Media Filter vs Self-Cleaning Filter
Compare multi media filters and self-cleaning filters for industrial water treatment based on solids load, operating mode, maintenance, and downstream needs.
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How to Treat Steel Plant Circulating Water
Learn how to treat steel plant circulating water using filtration, clarification, cooling tower support, and side-stream treatment logic.
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How to Remove Oil and Mill Scale from Steel Rolling Wastewater
Learn how to remove oil and mill scale from steel rolling wastewater using separation, clarification, flotation, and filtration routes.
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River Water Pretreatment Before Reverse Osmosis
Learn what pretreatment is needed before reverse osmosis when the raw water comes from a river and turbidity or solids vary.
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How to Design a River Water Treatment Plant for Industrial Use
Learn how to design an industrial river water treatment plant using real influent data, target standards, and downstream process needs.
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Hydrocyclone vs Clarifier for High-Turbidity River Water
Compare hydrocyclones and clarifiers for high-turbidity river water treatment and understand when each process is appropriate.
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How to Treat High-Turbidity River Water Above 5,000 NTU
Learn how to treat very high-turbidity river water using screening, clarification, filtration, and downstream protection based on real project conditions.
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Share your flow rate, raw water source, target standard and site conditions. YAOTONG engineers will recommend a suitable equipment configuration.