Premium flocculant and coagulant grades engineered for municipal drinking water, eco-agriculture wet mills, and high-purity industrial separation.
Navigating strict ecological frameworks, tropical water chemistry, and industrial compliance objectives.
Costa Rica stands as a global pioneer in environmental sustainability, aiming for decarbonization and stringent preservation of its vast hydrological resources. Under local legal frameworks, particularly the "Reglamento de Vertido y Reuso de Aguas Residuales" (Decree No. 33601-S), municipal authorities and industrial complexes must enforce high standards of wastewater treatment prior to discharge. Flocculation systems using Polyacrylamide (PAM) serve as a critical technical component in keeping Total Suspended Solids (TSS), Chemical Oxygen Demand (COD), and Biochemical Oxygen Demand (BOD) within strict national compliance levels.
The Costa Rican market presents unique hydrological challenges. The presence of volcanic soils and variations in seasonal tropical rainfall cause fluctuations in turbidity and suspended solid profiles in surface water. Traditional treatment methods struggle with the colloidal stabilization of volcanic clay sediments. To solve this, specialized cationic, anionic, and non-ionic polyacrylamides must be used to achieve clear liquid-solid separation. This ensures compliance with local ministries such as the Ministry of Environment and Energy (MINAE) and the Ministry of Health.
Costa Rica’s agricultural sector, including coffee wet mills (beneficios de café) and pineapple plantations, produces organic wastewater with high chemical load. Our cationic polyacrylamide (CPAM) range destabilizes organic colloids and speeds up solid-liquid separation. This prevents wastewater runoff from polluting local rivers.
Water utility systems managed by AyA (Instituto Costarricense de Acueductos y Alcantarillados) require certified, low-monomer coagulants. Our Polyaluminum Chloride (PAC) and ultra-low monomer APAM formulations offer safe, fast coagulation for drinking water processing plants nationwide.
FDI pharmaceutical and high-tech manufacturing parks (Free Trade Zones) require advanced wastewater filtration. Our highly functionalized polyacrylamide polymers aid sludge dewatering centrifuges and filter presses, producing drier sludge cakes to reduce disposal costs.
Established in 1998, Wuxi BS Water Treatment Chemicals Co., Ltd. combines advanced production technology with rich management experience. We specialize in producing a series of water treatment products for municipal drinking water and various industrial and domestic wastewater treatment systems.
By utilizing automated production and thorough quality controls, we supply cost-effective flocculants globally. This helps international buyers optimize operating costs while meeting strict environmental standards.
Matching the right ionic charge and molecular weight parameters with specific water treatment challenges.
Selecting the correct Polyacrylamide grade is essential for operational efficiency. When flocculating suspended clays, anionic polyacrylamide (APAM) with high molecular weight acts as an efficient bridging agent. For organic-heavy industrial sludges, cationic polyacrylamide (CPAM) offers strong positive charges that neutralize negatively charged biological cells and organic colloids. Below are the standard specifications for our export formulations:
| Polymer Type | Ionic Charge (%) | Molecular Weight (Million) | Solid Content (%) | Dissolving Time (Min) | Key Applications in Costa Rica |
|---|---|---|---|---|---|
| Anionic PAM (APAM) | 10 - 40 (Low to High) | 15 - 25 (High) | ≥ 88% | ≤ 60 | Surface water treatment, volcanic soil clarification, mining tailing thickeners |
| Cationic PAM (CPAM) | 10 - 60 (Low to High) | 8 - 12 (Medium) | ≥ 88% | ≤ 60 | Bio-sludge dewatering, coffee wet mill processing, dairy wastewater separation |
| Non-Ionic PAM (NPAM) | ≤ 5 (Ultra-low) | 8 - 15 (Medium-High) | ≥ 88% | ≤ 90 | Acidic wastewater, metallurgical plant processing, textile effluent cleaning |
| Polyaluminum Chloride (PAC) | Basicities 50% - 90% | N/A (Coagulant) | 28% - 30% Al2O3 | ≤ 10 | Municipal drinking water clarification, industrial raw water pretreatment |
Flexible packaging, tailored chemical synthesis, and technical assistance from laboratory diagnostics to plant-scale operations.
Our dedicated chemical engineers provide end-to-end assistance, performing laboratory bottle tests and jar tests to optimize chemical dosage and polymer selection.
With annual sales exceeding 500,000 tons and a finished product warehouse holding over 20,000 tons, we ensure a reliable supply chain to support your manufacturing schedule.
Equipped with modern production lines and a comprehensive quality control system, we provide safe sea freight to major regional ports like Caldera and Limón.
Over decades of operation, we have refined chemical configurations and production methods, supplying stable polymers designed for demanding industrial environments.
Decades of steady development, scaling up production technology and expanding international reach.
Our initial chemical facility was established, focusing on domestic coagulants and polymer formulas for municipal industrial municipal water treatment.
Renamed to Wuxi Bisheng Water Treatment Agent Co., Ltd., expanding infrastructure and increasing annual polymer synthesis capacity.
Started exporting water treatment products globally, assisting clients with logistics and local compliance standards.
Annual global sales exceeded 10 million USD, demonstrating market demand and consistent quality control standards.
Expanded our dedicated foreign trade department to provide improved regional support, custom formulations, and direct technical consultations for the Costa Rican market.
Developing ultra-low monomer, biodegradable polyacrylamides to align with global environmental goals and circular economy initiatives.
Full technical options for water treatment plants, paper mills, mining operations, and petrochemical processing.
How correct polymer dosing resolves critical process challenges in tropical regions.
In Costa Rica's wet coffee processing mills, the wastewater (known as aguas mieles) is rich in organic sugars, pectins, and suspended solids. This wastewater features low pH levels and high COD. Directly applying standard coagulants often fails due to steric hindrance from organic molecules.
Our treatment approach utilizes a combination of Polyaluminum Chloride (PAC) for charge neutralization, followed by a medium-charge Cationic Polyacrylamide (CPAM) to bind the micro-flocs into large, rapid-settling particles. This method removes up to 85% of suspended solids, reducing the load on secondary biological filtration systems.
Heavy seasonal rainfall in tropical regions increases soil erosion, introducing fine clay particles into raw water supplies. We supply high molecular weight Anionic Polyacrylamide (APAM), which bridges clay particles to form large flocs. This provides fast clarification in high-flow water treatment systems.
Technical information to assist procurement managers and chemical engineers.
Choosing the correct polymer depends on the electrical charge of the suspended solids in your wastewater:
We recommend conducting a laboratory jar test with water samples from your facility to determine the optimal ionic charge and molecular weight.
We provide regular sea freight shipments to major Costa Rican ports, including Puerto Limón on the Caribbean coast and Puerto Caldera on the Pacific side. Typical transit times from Chinese ports range from 30 to 45 days. We handle export documentation, certificates of analysis (COA), material safety data sheets (MSDS), and custom packaging configuration (such as 25kg moisture-barrier bags or large bulk bags) to ensure dry transport through tropical climates.
Yes. Our drinking water grade polymers are synthesized with low free-acrylamide monomer content (under 0.05%), meeting international and local standards for municipal potable water treatment. Our products help industrial clients maintain COD, BOD, and TSS discharge levels within the limits set by Decree No. 33601-S, reducing the risk of environmental penalties from local regulatory authorities.
To reduce chemical consumption, we recommend the following process optimizations:
Dry powder polyacrylamide has a shelf life of up to 2 years when stored in dry, well-ventilated warehouses. Because the powder is hygroscopic, it must be protected from moisture and humidity. Keep packages sealed when not in use. Once dissolved in water, the polymer solution should be dosed within 24 hours to prevent degradation of the molecular chains.
Contact our engineering team to request product samples, laboratory test assistance, or a customized quotation for your processing plant.
Direct Line: +86 13584221461
Technical Support: [email protected]
BS Water