PAM develops and applies advanced membrane separation technologies based on scientific research, in-house engineering, and customized solutions for industry, the environment, and research centers.
Membrane processes use selective barriers to separate components from a liquid or gaseous stream with high efficiency. These technologies reduce the number of process steps, increase reliability, and can lower energy and material consumption in a variety of scenarios.
Removal of suspended solids, bacteria, and micrometer-sized particles, operating at low pressures.
Selective retention of multivalent ions and organic compounds, ideal for fine-tuning quality.
High-salinity rejection process for the production of high-purity water and reuse in processes.
In addition to established membrane separation technologies, PAM stands out for its expertise in and development of advanced solutions applied to processes of greater technical complexity and high added value.
Selective separation of compounds using dense membranes, ideal for the dehydration and purification of liquid mixtures with high energy efficiency.
A thermal membrane process for separating saline or contaminated solutions, operating at low temperatures.
Ionic separation by electric field applied to desalination and the selective recovery of salts and ions.
Advanced technology for enhancing mass transfer processes between liquid and gas phases.
Technology for gas separation and purification with high selectivity and operational control.
The membrane separation technologies developed by PAM are used in various industrial, environmental, and research sectors, meeting specific needs for the treatment, purification, concentration, and separation of liquid and gaseous streams.
PAM develops customized solutions for complex industrial applications, integrating membrane technologies into existing systems or new processes.
Development and operation of pilot plants for semi-industrial-scale testing, technical validation of processes, and optimization prior to industrial-scale implementation.
Customized designs tailored to the characteristics of the stream, operational requirements, and the customer’s objectives, integrating various membrane separation technologies.
Development of compact, integrated skids that are ready for field installation, with a focus on operational efficiency, safety, and ease of maintenance.
Integration of membrane systems into existing industrial processes, promoting process step optimization, process intensification, and greater operational reliability.
PAM Selective Membranes offers a complete line of laboratory equipment for research, development, and validation of membrane processes.
Our systems are designed to simulate real-world operating conditions, enabling technical performance evaluation, the study of operating parameters, and the development of new applications in microfiltration, ultrafiltration, nanofiltration, and reverse osmosis.
With a focus on precision, repeatability, and experimental reliability, the PAM Laboratory Line is ideal for universities, research centers, industries, and technological innovation teams.
Each laboratory system is custom-designed to meet the project’s objectives, enabling everything from exploratory studies to pre-industrial validation, thereby reducing technical risks and accelerating decision-making.
PAM integrates scientific knowledge and applied engineering to transform experimental data into robust industrial solutions.
Discover PAM’s Laboratory & R&D Line, designed to
conduct bench-scale testing, validate processes, and develop new applications
in membrane separation technologies.
Count on PAM’s expertise to turn technical challenges into efficient, sustainable, and economically viable solutions through advanced membrane separation technologies.
Technologies used: Microfiltration, Ultrafiltration, Nanofiltration, Reverse Osmosis, Pervaporation, and Membrane Contactors.
CHARACTERISTICS OF HOLLOW ULTRAFILTRATION FIBERS:
a) Membranes with a cylindrical geometry, of the hollow-fiber type (Figure 1);
b) Material of the hollow fibers: poly(ether sulfone);
c) Outer diameter of the fibers: between 0.8 and 0.9 mm;
d) Fibers with a selective outer layer;
e) UF fibers exhibit 95.0% effective retention for compounds with a molecular weight greater than 50 kDa;
f) Filtration occurs from the outside to the inside of the fibers;
g) The ultrafiltrated extract flows through the interior of the fibers;
h) Module construction material: weldable PVC;
i) Operating pressure: depends on the extract to be processed in the equipment. The critical pressure for each type of extract must be determined;
j) Maximum operating pressure: 5 bar;
l) Maximum operating temperature: up to 55.0°C;
m) pH: 2.0 to 13.0.
CHARACTERISTICS OF HOLLOW MICROFILTRATION FIBERS:
a) Membranes with a cylindrical geometry, of the hollow-fiber type;
b) Material of the hollow fibers: poly(imide);
c) Outer diameter of the fibers: between 0.9 and 1.0 mm;
d) Fibers with a selective outer layer;
e) Average pore size on the outer surface of the fibers: 0.4 µm (Figure 1);
f) Retention of 99.99% of the microorganisms and suspended solids present in the extract to be processed;
g) Filtration occurs from the outside to the inside of the fibers;
h) The microfiltrate flows through the interior of the fibers;
i) Operating pressure: dependent on the stream to be processed by the equipment. The critical pressure for each type of feed stream must be determined;
j) Maximum operating pressure: 5 bar;
l) Maximum operating temperature: up to 55.0°C;
m) pH: 2.0 to 13.0.
The process with the highest rejection capacity. It removes virtually all dissolved salts and contaminants, producing water of the highest purity.
It applies pressure greater than the solution's osmotic pressure, forcing water to pass through the membrane in the opposite direction of the natural flow, leaving the salts behind.
Seawater desalination, production of ultrapure water for industries (pharmaceutical, semiconductor), and purification of water for consumption.
Exceptional water quality Proven and reliable technology Salt rejection rate exceeding 99% Removal of all contaminantsAn intermediate process between UF and reverse osmosis, with pore sizes ranging from 1 to 10 nanometers. It removes multivalent ions (hardness) and low-molecular-weight organic molecules.
It operates at higher pressures than UF. It separates components based on size and electric charge, allowing monovalent ions to pass through.
Water softening, partial desalination, pesticide removal, wastewater recycling.
Lower energy consumption than RO Preserves minerals (monovalent ions) High rejection of divalent ions Wide range of applicationsSimilar to microfiltration, but with smaller pores (0.01 to 0.1 micrometer), capable of retaining viruses and macromolecules such as proteins.
It uses hydrostatic pressure to force the solvent through the membrane, while high-molecular-weight solutes are retained.
Virus Removal Operation at low temperatures Excellent permeate quality High selectivity