Polyaluminium Chloride (PAC) Manufacturer & Suppliers in Romania

High-Basicity Polymeric Alum Coagulants for Municipal Wastewater, Industrial Processing, and Eco-Compliance across Romania & the EU

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Premium Water Coagulants for Romanian Infrastructure

Wholesale High purity Poly Aluminium Chloride (PAC-01) Manufacturer

Wholesale High purity Poly Aluminium Chloride (PAC-01) Manufacturer, Factories

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Wholesale PolyAluminium Chloride (PAC) · Liquid Version Factory

Wholesale PolyAluminium Chloride (PAC) · Liquid Version Factory, Factories

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Wholesale Poly Aluminium Chloride (PAC) · Solid Version Supplier

Wholesale Poly Aluminium Chloride (PAC) · Solid Version Supplier, Suppliers

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Wholesale Compound Poly Aluminium Chloride Manufacturer

Wholesale Compound Poly Aluminium Chloride Manufacturer, Factories

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Romania's Industrial Water Treatment Evolution & EU Compliance

As Romania continues to align its environmental infrastructure with strict European Union standards—specifically the EU Water Framework Directive (Directive 2000/60/EC) and the Urban Waste Water Treatment Directive (91/271/EEC)—the requirement for advanced chemical water treatment solutions has spiked dramatically. Heavy industrial hubs along the Danube, agricultural processing facilities, and municipal utility providers (such as Apa Nova București and regional water operators across Transylvania and Moldavia) face complex wastewater treatment challenges.

"Under the EU Green Deal, Romania is aiming for 100% compliant municipal and industrial water processing, boosting demand for high-efficiency coagulants that reduce chemical residue and energy overheads."

Traditional water treatment reagents, such as Aluminium Sulfate (alum), are increasingly falling out of favor due to their high temperature sensitivity, excessive sludge production, and narrow optimal pH ranges. Modern, high-performance Polyaluminium Chloride (PAC) chemical configurations have emerged as the industry gold standard for rapid coagulation and flocculation, particularly in the varying seasonal climates of Eastern Europe.

Industrial sewage treatment facility in Romania

Polyaluminium Chloride: The Next Generation Coagulation Chemistry

Compound Poly Aluminium Chloride Chemical Sample

Polyaluminium Chloride (PAC) is a highly active, inorganic polymer coagulant with the general chemical formula [Al2(OH)nCl6-n]m. It is synthesized by polymerizing aluminum ions under controlled conditions, producing highly charged polymeric structures that are exceptionally effective at neutralizing negative charges on colloidal particles suspended in raw water.

Key Advantages of PAC over Aluminium Sulfate:

  • Broad Operational pH Spectrum: Operates efficiently across pH ranges of 5.0 to 9.0 without needing massive pH regulators.
  • Enhanced Performance in Cold Climates: Maintains outstanding flocculation rates even in cold water temperatures (below 5°C), critical for Romanian winters.
  • Reduced Sludge Generation: Formulates dense, heavy flocs that settle faster, minimizing the volume of hazardous chemical sludge that requires disposal.
  • Low Active Residual Aluminium: Leaves negligible levels of trace aluminum in the treated water, fully complying with EU drinking water thresholds.
Chemical Formula
[Al2(OH)nCl6-n]m (where 1 ≤ n ≤ 5)
Al2O3 Content (Solid Grade)
28% - 30% (Standard and High Purity options)
Basicity Range
50% to 90% (Customizable based on raw water turbidity)
Insoluble Substance
≤ 0.5% (Extremely low residue for minimal dosing equipment wear)
Application pH Standard
5.0 - 9.0 (Adaptive to acidic and alkaline environments)

27 Years of Technological Excellence in Water Treatment Chemistry

Founded in 1998, Wuxi BS Water Treatment Chemicals Co., Ltd. stands as a premier global manufacturer of advanced chemical agents for municipal, agricultural, and industrial wastewater treatment. With decades of research and development, we have developed a broad portfolio of highly effective polymeric products that are distributed globally via trusted local distribution channels.

Our intelligent automated manufacturing lines, high-precision laboratory testing facilities, and robust supply chain ensure that industrial sites and municipal operators in Romania receive the highest standard of chemicals directly, backed by complete compliance and quality assurance certificates.

27+
Years of Industry R&D Experience
500k+
Tons Annual Production Capacity
20k+
Tons Standard Warehousing
1000+
Global Enterprise Clients

Our Strategic Industrial Roadmap

1998
Established the specialized chemical water treatment manufacturing facility.
2005
Rebranded to Wuxi Bisheng Water Treatment Agent Co., Ltd. and upgraded to a highly automated polymer synthesis process.
2007
Initiated global export operations, supplying high-grade PAC and PAM to European, American, and South-East Asian distributors.
2021
Annual export volume exceeded $10 Million USD, cementing our footprint as a globally recognized supplier.
2025
Established our dedicated foreign trade department and optimized supply routes directly targeting key industrial regions in Romania and the Balkans.

Localized Application Scenarios in Romania

Our tailored formulations of Polyaluminium Chloride (PAC) and matching organic flocculants are fine-tuned to resolve specific environmental and regulatory issues across Romania’s core industrial sectors.

Municipal Wastewater Treatment

Municipal Sewage Treatment

Fulfills European standards for COD, suspended solids (SS), and phosphorus content before water discharge into natural waterways.

Petrochemical Industry Water treatment

Petroleum Industry & Refineries

Assists oil refineries in Ploiești and regional oil rigs to break oily emulsions, rapidly separating oil, grease, and chemical COD.

Membrane Process Pretreatment

Membrane Process Pretreatment

Prevents costly biofouling and scale deposition on expensive reverse osmosis (RO) membranes in municipal water networks.

Paper Mills water treatment

Papermaking & Pulp Industries

Improves fiber retention, paper drainage, and clarifies white-water circuits in traditional paper processing factories across Romania.

Drinking Water Treatment

Drinking Water Purification

Provides highly purified, low-heavy-metal PAC that conforms to EN 17034 specifications, keeping municipal tap water pristine.

Mining and Metallurgical runoff

Mining & Heavy Metallurgy

Precipitates dissolved heavy metal ions, mining runoffs, and suspended tailings in Transylvania's industrial clusters.

Uncompromised Regulatory Compliance & EU Certification

Exporting chemical water solutions to Europe requires adhering to rigid environmental safety regulations. Our manufacturing process conforms to rigorous ISO quality and environmental standards. We supply our industrial customers with full chemical transparency to ensure seamless operations.

REACH Compliance
Our chemicals comply with EU REACH registration requirements for chemical imports.
Drinking Water Certification
Conforms to standard EN 17034 for municipal drinking water purification reagents.
Manufacturing Audits
ISO 9001:2015, ISO 14001:2015, and OHSAS 18001 certifications.

Streamlined Logistics to Romanian Ports & Hubs

We work with trusted logistics providers to offer seamless supply routing directly to your plant. Typical transport schemes include:

  • Ocean Freight via Port of Constanța: Ideal for bulk shipments of solid/powdered PAC in 25kg bags or 1-ton bulk containers.
  • Intermodal Rail & Road Distribution: Direct transport paths from key European logistics terminals to Bucharest, Cluj-Napoca, Timișoara, Iași, and Ploiești.
  • Flexible Packaging options: 25kg PP/PE bags, 1000kg IBC tanks for liquid configurations, or customized volumes tailored to your chemical dosing stations.

Technical Q&A - Polyaluminium Chloride Application

How does PAC basicity impact coagulation efficiency in low-temperature waters?
Basicity refers to the ratio of hydroxyl groups relative to aluminum ions. High basicity (75-85%) means the polymer is highly pre-polymerized, containing stable polymeric species like Al13 and Al30. In cold waters (typical of Romanian winters, below 5°C), high-basicity PAC hydrolyzes much faster than alum, retaining excellent charge-neutralization and floc-forming rates without forming cold-water gelatinous sludge.
What is the typical shelf life of liquid vs. solid Polyaluminium Chloride?
Solid PAC (powdered form) has a highly stable shelf life of up to 2 years when stored in a dry, ventilated warehouse space in its original sealed packaging. Liquid PAC (10-15% Al2O3) has a shorter stable shelf life, typically around 6 months, as the active polymer structure may slowly hydrolyze and precipitate over extended storage, especially when exposed to extreme temperatures.
Can PAC and Polyacrylamide (PAM) be utilized together?
Yes, this dual configuration is standard practice in complex wastewater treatment. Polyaluminium Chloride (PAC) serves as the primary inorganic coagulant to neutralize colloidal surface charges, initiating micro-flocs. Anionic or Cationic Polyacrylamide (APAM/CPAM) is then added downstream to act as a bridging polymer flocculant, binding the micro-flocs into massive, easily filterable macro-flocs.
Is Wuxi BS’s PAC compliant with European Drinking Water Standards?
Absolutely. Our high-purity spray-dried PAC (PAC-01 grade) is designed specifically to comply with the European standard EN 17034 (Chemicals used for treatment of water intended for human consumption). It has extremely low heavy metal concentrations (arsenic, lead, cadmium) and leaves negligible residual aluminum in the treated tap water.

Contact our Technical Engineering Team

Get professional water quality analysis and optimized product dosing calculations from our engineering experts. We supply specialized OEM/ODM options to meet custom chemical basicity requirements.

Wuxi BS Water Treatment Chemicals Co., Ltd. has served over 1,000 global enterprises, guaranteeing timely supply and advanced formulation support.

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