Polydadmac Cationic Flocculant Polymer for Textile Effluent Treatment Plant ETP
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Product Overview
Bluwat BLU DA Series Polydadmac is a liquid cationic flocculant polymer based on Poly(dimethyldiallylammonium chloride), also known as PolyDADMAC or PDADMAC. It is widely used in wastewater treatment, textile color removal, textile color fixing, sludge dewatering and industrial water clarification.
In textile effluent treatment plants, wastewater quality can change frequently because of different dye types, fabric processing methods, auxiliary chemicals, pH, salt content and production schedules. These changes often cause unstable color removal, small flocs, slow settling and poor final effluent clarity.
Polydadmac provides strong cationic charge neutralization. It helps destabilize negatively charged dye particles, colloids and suspended impurities, allowing them to form larger and more separable flocs. In an ETP system, it can be used as a primary organic coagulant or as a coagulant aid together with PAC and PAM to improve treatment stability.
This product is suitable for textile dyeing wastewater, printing wastewater, washing wastewater, finishing wastewater and mixed textile industrial effluent where color reduction and clarification are required.
Product Name
Polydadmac Cationic Flocculant Polymer for Textile Effluent Treatment Plant ETP
Chemical Name
Poly(dimethyldiallylammonium chloride)
CAS Number
26062-79-3
Product Type
Liquid cationic flocculant polymer
Organic coagulant
Textile wastewater treatment chemical
Textile ETP coagulant aid
Color removal polymer
Sludge dewatering support chemical
Application in Textile Effluent Treatment Plant ETP
Textile ETP systems usually include pH adjustment, coagulation, flocculation, sedimentation, dissolved air flotation, biological treatment, filtration or sludge dewatering. Polydadmac is mainly used in the chemical treatment stage to support color removal, turbidity reduction and floc formation.
It can be used in:
Textile dyeing effluent treatment plant
Printing and dyeing wastewater pretreatment
Textile color removal system
ETP coagulation and flocculation process
Dissolved air flotation DAF treatment
Sedimentation tank clarification
Sludge thickening and dewatering process
Industrial wastewater pretreatment before biological treatment
Final polishing treatment before discharge or reuse
How Polydadmac Works in Textile ETP
Many dyes, organic colorants and fine particles in textile effluent carry negative surface charges. These particles stay dispersed in water and are difficult to remove by simple settling.
Polydadmac has a high positive charge density. When added into wastewater, it neutralizes the negative charges on dye molecules, colloids and suspended particles. This reduces electrostatic repulsion and allows fine pollutants to gather together.
After charge neutralization, larger flocs can be formed more easily with the help of PAC or PAM. The treated water becomes clearer, and the separated sludge can be removed by sedimentation, flotation or filtration.
Key Benefits
High cationic charge density for effective charge neutralization
Suitable for textile effluent treatment plant ETP operation
Helps improve color removal and wastewater clarification
Liquid form for easy dilution and continuous dosing
Can be used alone or together with PAC and PAM
Effective at low dosage after proper jar testing
Supports faster floc formation and better settling performance
Helps improve DAF and sedimentation efficiency
Can support sludge dewatering system performance
Wide pH adaptability for different wastewater conditions
Different solid content and viscosity grades available
Suitable for textile, dyeing, printing and finishing wastewater
Manufacturer supply with TDS, MSDS, COA and sample support
Technical Specifications
| Item | Specification |
|---|---|
| Product Series | BLU DA Series Polydadmac Liquid |
| Appearance | Colorless to light yellow liquid |
| Chemical Name | Poly(dimethyldiallylammonium chloride) |
| Common Name | PolyDADMAC, PDADMAC, Polydadmac |
| CAS Number | 26062-79-3 |
| Product Type | Liquid cationic polymer |
| Solid Content | 20–50% |
| pH Value | 3.0–7.0 |
| Specific Gravity at 25°C | 1.01–1.10 |
| Molecular Weight | Low, medium, high and very high grades available |
| Brookfield Viscosity at 25°C | Below 200 cps to above 15000 cps depending on grade |
| Solubility | Soluble in water |
| Main Use | Textile ETP, color removal, wastewater treatment, sludge dewatering |
Available Grades
| Grade | Solid Content | Molecular Weight | Brookfield Viscosity at 25°C |
|---|---|---|---|
| DA 201 | 19.0–21.0% | Low | Below 200 cps |
| DA 202 | 19.0–21.0% | Medium | 200–700 cps |
| DA 203 | 19.0–21.0% | Medium | 700–1000 cps |
| DA 204 | 19.0–21.0% | High | 1000–2000 cps |
| DA 205 | 19.0–21.0% | Very High | 2000–3000 cps |
| DA 401 | 39.0–41.0% | Low | Below 500 cps |
| DA 402 | 39.0–41.0% | Medium | 500–1000 cps |
| DA 403 | 39.0–41.0% | Medium | 1000–3000 cps |
| DA 404 | 39.0–41.0% | High | 3000–5000 cps |
| DA 405 | 39.0–41.0% | High | 5000–8000 cps |
| DA 406 | 39.0–41.0% | Very High | 8000–12000 cps |
| DA 407 | 39.0–41.0% | Very High | 12000–15000 cps |
| DA 408 | 39.0–41.0% | Very High | Above 15000 cps |
| DA 451 | 44.0–46.0% | High | 8000–12000 cps |
| DA 501 | 49.0–51.0% | Low Medium | 1000–2000 cps |
| DA 502 | 49.0–51.0% | Medium | 2000–3000 cps |
| DA 503 | 49.0–51.0% | High | 3000–5000 cps |
| DA 504 | 49.0–51.0% | High | 5000–8000 cps |
| DA 505 | 49.0–51.0% | Very High | 8000–12000 cps |
| DA 506 | 49.0–51.0% | Very High | 12000–15000 cps |
| DA 507 | 49.0–51.0% | Very High | Above 15000 cps |
Recommended Treatment Process for Textile ETP
The final treatment process should be confirmed by jar test because textile wastewater conditions can vary greatly. A typical chemical treatment process may include:
Step 1: Collect representative wastewater sample from the equalization tank
Step 2: Check pH, color, turbidity and suspended solids
Step 3: Dilute Polydadmac before dosing
Step 4: Add Polydadmac and mix rapidly for charge neutralization
Step 5: Add PAC if stronger coagulation and color removal are required
Step 6: Adjust pH to the suitable range if needed
Step 7: Add diluted PAM solution to enlarge flocs
Step 8: Allow sedimentation or DAF separation
Step 9: Check treated water clarity, color and sludge condition
For continuous ETP operation, dosing pumps and mixing conditions should be adjusted according to wastewater fluctuation and treatment target.
Use with PAC and PAM
In many textile effluent treatment plants, Polydadmac works well as part of a combined chemical treatment program.
Polydadmac helps neutralize charge and destabilize dye particles.
PAC improves coagulation, color reduction and suspended solids removal.
PAM helps form larger flocs and improves settling or flotation separation.
This combination can make the treatment process more stable, especially when wastewater color and production load change during daily operation.
Dilution and Dosage
When used alone, Polydadmac is recommended to be diluted to 0.5–5% concentration based on solid content before dosing.
The actual dosage depends on wastewater color strength, turbidity, pH, organic load, dye type and treatment target. Laboratory jar test is recommended to confirm the most economical dosage before full scale use.
The dosing point and mixing speed are important. The chemical should be mixed evenly with wastewater, but strong mixing should be avoided after flocs are formed to prevent floc breakage.
Suitable ETP Units
Equalization tank chemical pretreatment
Coagulation tank
Flocculation tank
Sedimentation tank
DAF system
Sludge thickening tank
Sludge dewatering system
Final clarification process
Packaging
25L plastic drum
200L plastic drum
1000L IBC drum
Customized packaging can be discussed according to order quantity and shipping requirements.
Storage
Store in original containers in a cool and dry place. Keep away from heat, flame and direct sunlight. Keep containers tightly closed when not in use. Please refer to the product label, Technical Data Sheet and MSDS for detailed storage, handling and shelf life information.
Why Choose Bluwat
Bluwat is a manufacturer and exporter of water treatment chemicals for textile, dyeing, paper, mining, municipal and industrial wastewater treatment applications. We supply Polydadmac, PAC, PAM, Polyamine, Water Decoloring Agent and other coagulants and flocculants for ETP and wastewater treatment systems.
For textile effluent treatment plant customers, Bluwat can provide suitable grade selection, sample testing support, jar test guidance and technical documents including TDS, MSDS and COA. Our team can help customers optimize chemical combination and dosage according to actual wastewater samples.
Request a Sample
If your textile ETP has unstable color removal, small flocs, poor sedimentation or cloudy final effluent, please contact Bluwat for Polydadmac sample and technical support. We can recommend a suitable grade and dosing program based on your wastewater condition.