Cases - Yixing Bluwat Chemicals Co., Ltd.

2026-09-15

28 Practical Wastewater Treatment Plant Operation Tips

Wastewater Treatment Guide 28 Practical Wastewater Treatment Plant Operation Tips Practical guidance for improving process stability, activated sludge performance, equipment reliability, chemical dosing and sludge dewatering. Operating a wastewater treatment plant is a continuous process of ...

2026-09-10

Coagulation and Flocculation of Shampoo Wastewater: A Four-Step Treatment Case

Laboratory Treatment Case Coagulation and Flocculation of Shampoo Wastewater: A Four-Step Treatment Case Selecting chemicals is only part of a wastewater treatment evaluation. A useful jar test also records the order of addition, the dosage of each product and the pH before the final flocculation ...

2026-09-09

PAC vs PAM: Key Differences and How to Use Them Together in Water Treatment

PAC vs PAM: Key Differences and How to Use Them Together in Water Treatment Cloudy effluent, small flocs and slow settling do not always mean that a treatment plant needs more chemicals. Sometimes, the problem is an unsuitable chemical grade, an incorrect dosing sequence or incomplete polymer ...

2026-08-26

Concentrated Yellow Dye Liquor Taken to a Colourless Supernatant in Two Steps

LAB JAR TEST RECORD · CONCENTRATED DYE LIQUOR Concentrated Yellow Dye Liquor Taken to a Colourless Supernatant in Two Steps An alkaline yellow dye liquor at pH above 8. Only two reagents were needed — 25 kg/t of compound decolorant followed by 15 g/t anionic PAM. After 2–3 minutes the supernatant ...

2026-08-21

High-Chloride Firecracker Dye Wastewater: CODcr Cut by 53.98% in a Two-Stage Programme

LAB JAR TEST RECORD · FIRECRACKER & PYROTECHNIC DYE High-Chloride Firecracker Dye Wastewater: CODcr Cut by 53.98% in a Two-Stage Programme An alkaline effluent at pH 8–9 carrying a high chloride load — the combination that defeats single-stage treatment. We ran a two-stage programme: acidify to pH 3...

2026-08-11

A Complete Treatment Strategy for Water-Based Paint Wastewater: Core Process and Operational Recommendations

Water-Based Paint Wastewater Treatment A Validated Core Process and Three Operational Recommendations Lessons consolidated from dozens of jar tests on customer-supplied pink, red, gray, purple, cyan, black and ink wastewater streams. Decolorizer Destabilization → Neutral Window pH 6–7 → PAM ...

2026-08-06

The Top 5 Challenges in Treating Water-Based Paint Wastewater

Water-Based Paint Wastewater Treatment Five Interlocking Challenges That Determine Treatment Success Waterborne paint reduces VOC emissions at the point of application, but its wastewater is designed to resist separation. Stable emulsions, refractory organics, variable production loads, difficult ...

2026-07-28

Pharmaceutical Wastewater Treatment by Production Type: Antibiotics, Synthetic APIs and Traditional Chinese Medicine

Pharmaceutical Wastewater Planning Framework One Pharmaceutical Industry, Three Very Different Wastewaters Fermentation broth residue, solvent-rich mother liquor and herbal extraction wastewater may all originate from pharmaceutical production, but their biodegradability, toxicity, salinity, ...

2026-07-23

How to Treat Semiconductor Wastewater: Segregation, Chemical Treatment and Water Reuse

Semiconductor Wastewater Treatment How to Treat Semiconductor Wastewater: Segregation, Chemical Treatment and Water Reuse Semiconductor wastewater is not a single type of industrial wastewater. A semiconductor plant may discharge fluoride-containing water, acidic and alkaline streams, ammonia ...

2026-07-10

Vietnam Nickel-Containing Wastewater Treatment Case for a Metal Finishing Customer

Customer Application Case | Vietnam Vietnam Nickel-Containing Wastewater Treatment Case for a Metal Finishing Customer Bluwat evaluated a yellow nickel-containing wastewater sample from a metal surface treatment application and developed a three-stage chemical program combining heavy metal capture, ...

2026-07-06

Why Sludge Flocs Break Apart: A Practical Troubleshooting Guide for Wastewater Plants

Activated Sludge Troubleshooting Why Sludge Flocs Break Apart in Wastewater Treatment and How to Fix It In a well operated wastewater treatment system, sludge flocs should be compact enough to settle quickly and separate from treated water. When flocs start to break apart, the clarifier may become ...

2026-06-29

Common Wastewater Testing Mistakes That Can Lead to Wrong Treatment Decisions

Wastewater Laboratory Quality Control Common Wastewater Testing Mistakes That Can Lead to Wrong Treatment Decisions In wastewater treatment, operators often focus on chemicals, equipment and process parameters. When effluent quality becomes unstable, the first reaction may be to increase coagulant ...

Water Purifying Chemicals

Water Decoloring Agent

Anionic Polyacrylamide

Cationic Polyacrylamide

Polyaluminium Chloride

Quaternary Ammonium Polymer

Nonionic Polyacrylamide

Color Removal Chemical

Drilling Mud Additives

Dicyandiamide Formaldehyde Resin

Polyelectrolyte Flocculant

Ferric Sulphate

Color Fixing Agent

Coagulant And Flocculant

Plant Based Deodorant

Anti Foaming Chemicals

Chemical Demulsifier

Water Purifying Chemicals

Water Decoloring Agent

Anionic Polyacrylamide

Cationic Polyacrylamide

Polyaluminium Chloride

Quaternary Ammonium Polymer

Nonionic Polyacrylamide

Color Removal Chemical

Drilling Mud Additives

Dicyandiamide Formaldehyde Resin

Polyelectrolyte Flocculant

Ferric Sulphate

Color Fixing Agent

Coagulant And Flocculant

Plant Based Deodorant

Anti Foaming Chemicals

Chemical Demulsifier

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