Zhejiang Weilan Technology Co., Ltd.

Case Studies

Case Studies

Municipal WWTP PAC Dosing Upgrade
Wastewater

-15%

Chemical use

Municipal WWTP PAC Dosing Upgrade

Mechanical diaphragm pumps with online turbidity monitoring cut chemical consumption by 15%.

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Power Plant Cooling Water Dosing
Power

0

Scaling issues

Power Plant Cooling Water Dosing

Automatic antiscalant dosing with pH interlock eliminated heat-exchanger scaling.

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Pool Chain Water Quality Automation
Pools

-80%

Manual testing

Pool Chain Water Quality Automation

Online residual chlorine/pH monitoring with dosing pumps reduced manual testing by 80%.

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Chemical Park Acid/Alkali Neutralization
Chemical

99%

Compliance

Chemical Park Acid/Alkali Neutralization

Corrosion-resistant mechanical diaphragm pumps dosing concentrated acid/alkali with closed-loop pH control — 99% compliance.

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Food Plant CIP Dosing Retrofit
Food & Beverage

-25%

Rinse water

Food Plant CIP Dosing Retrofit

Hygienic metering pumps for automatic acid/alkali CIP dosing cut rinse-water use by 25%.

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Water Plant NaOCl Disinfection System
Drinking Water

24h

Unattended

Water Plant NaOCl Disinfection System

Complete dosing skid with online finished-water chlorine monitoring keeps byproducts controlled.

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Textile Park Decolorization Dosing
Textile

-12%

Chemical cost

Textile Park Decolorization Dosing

Coordinated multi-chemical dosing raised color removal and cut chemical cost by 12%.

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Electroplating Cr(VI) Reduction
Electroplating

100%

Compliance

Electroplating Cr(VI) Reduction

Sodium bisulfite reduction with ORP interlock keeps Cr(VI) stably below discharge limits.

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Semiconductor UPW Monitoring
Electronics

18.2

MΩ·cm quality

Semiconductor UPW Monitoring

High-accuracy pH/resistivity monitoring with regeneration dosing keeps product water stable.

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RO Antiscalant Dosing
RO Systems

6×

CIP interval

RO Antiscalant Dosing

Proportional antiscalant dosing extended membrane CIP interval from 1 to 6 months.

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