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In solids processing, screening and sieving are both particle size classification operations that are often conflated. However, they are not the same: they differ in purpose, size range, process stage, equipment type, and control stringency. At PRO3S we integrate both techniques on certified lines for human food, animal feed, chemicals, detergents, and biocides, ensuring full traceability and regulatory compliance.   What is screening? Screening uses large-opening meshes/screens to retain coarse particles or foreign bodies at early process stages (raw-material preparation, pre-mixing, or pre-milling). Operational features Goal: remove oversize, lumps, plastics, fibers, stones, or unwanted fragments. Typical range: > 1–2 mm (can go down to hundreds of microns ...

In solids processing, industrial screening is the unit operation that classifies and cleans particles using meshes with defined apertures. Its purpose is twofold: Ensure a particle size distribution within specification (D10–D90, mean size, uniformity), and Remove foreign matter (fibers, films, lumps, fine metals if integrated with magnets/special sieves) that would compromise safety, performance, and perceived quality. At PRO3S we integrate screening as a CCP/CP within HACCP where applicable (food/feed) and as a quality gate in chemicals, detergents, biocides, fertilizers, construction, plastics, or textiles. We select technology based on product behavior (flowability, abrasiveness, hygroscopicity, caking tendency): vibratory sieves for high throughputs and medium ...

At PRO3S we know sustained success is never built in isolation. Our operating model is grounded in collaboration with customers and suppliers, with a clear goal: turning outsourced processing into a real, measurable and scalable competitive advantage. To achieve this, we rely on three guiding pillars in every interaction: trust, professionalism and a service mindset. Trust: the foundation of every collaboration Trust is built through transparency, consistency and results. We work strictly as a third-party processor and protect our clients’ IP with NDAs and specific internal procedures. End-to-end visibility: 100% lot- and raw-material-level traceability. Auditable processes: a mature quality system with ISO 9001, ISO 14001, FSSC 22000 and GMP+ certifications. Data ...

In industrial manufacturing, raw-material mixing is not a formality—it’s a critical step that determines product stability, safety and performance. Poor mixing yields variability, rework and extra costs; robust mixing ensures consistent quality, scalability and efficiency. At PRO3S we design and execute tailored mixing processes for human and animal nutrition, detergency, biocides and industrial chemicals.   What defines a good mixing process Homogeneity and repeatability: uniform distribution of actives and excipients (control of CV or %RSD per specification) and lot-to-lot reproducibility. Particle-size and flow control: particle size, bulk density and flowability fit for the next operation (sieving, dosing, packaging). Addition sequence: correct order ...

A robust equipment maintenance and prevention program not only avoids downtime, it also protects people, safeguards product quality and preserves asset value. At PRO3S, maintenance is embedded into daily operations to ensure availability, precision and regulatory compliance across all lines.   Maintenance and prevention objectives Avoid critical failures that may cause accidents, non-conformities or production stops. Guarantee process accuracy and repeatability (batch quality, tolerances, calibrations). Comply with EHS regulations (ISO 9001, ISO 14001, GMP+, FSSC 22000). Extend equipment lifecycle, reducing total cost of ownership (TCO). Optimize OEE (Availability, Performance, Quality) through planned stops and standard times.   Maintenance strategy: ...

Efficient Outsourcing: Logistics and Work Planning at PRO3S In an increasingly competitive and dynamic business environment, many companies choose to outsource services to focus on their core business. However, successful outsourcing is not only about delegating tasks; it depends on how logistics and work planning are managed. At PRO3S, we rely on robust organization to ensure efficiency, on-time quality delivery, and customer satisfaction. Logistics at PRO3S Logistics at PRO3S goes far beyond transport or storage; it’s about coordinating resources, processes, and timing so that contracted services are executed effectively. Key aspects include: Workforce management: assigning the right person based on skills and availability. Tools & technology enablement: ensuring all ...

In the field of animal nutrition, feed additives play a strategic role in the agri-food value chain. Far from being simple supplements, these functional ingredients directly impact animal health, the safety of food intended for human consumption, and the sustainability of livestock production. At PRO3S, we apply our expertise in industrial processes for third parties to offer customized solutions for the formulation, blending, grinding, and packaging of feed additives. We ensure not only the technical quality of the product but also regulatory compliance, traceability, and competitiveness for our clients.   What are feed additives?The EFSA (European Food Safety Authority) defines feed additives as substances intentionally added to animal feed with specific objectives: Improve ...

In industrial processes involving the blending of solids —such as in the production of food additives, fertilizers, detergents, or pigments— homogeneity is one of the most critical parameters to ensure the quality of the final product. At PRO3S, specialists in industrial process outsourcing, we understand how crucial homogeneous solid mixtures are and implement strict protocols to achieve them.   What do we mean by a homogeneous solid mixture?A homogeneous mixture is one in which all components are uniformly distributed throughout the total volume. Unlike heterogeneous mixtures (where distinct particles or phases can be observed), in a well-homogenized solid mixture, each portion contains the exact same proportion of each ingredient. This is crucial in sectors where ...

In the fertilizer industry, every formula matters. Not all crops need the same nutrients, nor do all companies share the same logistics or commercial goals. That’s why at PRO3S, we offer customized processes for the manufacturing and packaging of solid fertilizers, adapting to the technical, legal and commercial requirements of each client. Customization in production is not just a competitive edge — it’s the key to ensuring agronomic efficacy, improving field application and optimizing invested resources. From formulations with specific micronutrients to controlled particle sizes or packaging formats adapted to distribution channels, our processes enable the creation of products perfectly aligned with real market needs. In addition, the use of segregated production ...