CaviFlow® | Industrial Oil Processing | Blending & Homogenization

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Innovative Plug&Play Module | Cavitation Technology

Page last modified

November 20 2025

One of RAPTECH's particular areas of expertise is the homogenization of heavy fuel oil and the production of water-in-oil mixtures.

The hydrodynamic UADA cavitation technology with the CaviFlow® inline module achieves outstanding results with the smallest particles. Particle sizes < 5 micrometers.

Fast, uncomplicated and cost-efficient. The quality of the treated oil increases significantly through homogenization.

By homogenizing heavy fuel oil (HFO) with the CaviFlow® inline module, the oil is treated in such a way that the components are evenly distributed in ultra-fine droplets. HFO homogenization brings advantages such as clean combustion and less paraffinic contamination in the systems. It can be used profitably in industries such as refineries and petrochemicals, also to produce alternative fuels.

CaviFlow® | Plug&Play

CaviFlow® inline-units offer an uncomplicated plug & play solution to benefit from Cavitation Technology for dispersing and homogenizing in oil processing.

Advantages:

Individually scalable from 6 m3/h to 100 m3/h
Quick integration into existing process systems
Without high investment costs
Threaded or flanged connections
Immediately ready for use
Space-saving compared to conventional agitators
Made of (stainless) steel
No moving parts inside – durable and low maintenance

Pros & Limitations

CaviFlow® Plug&Play inline solution

No high investment costs required

Ultrafine homogenization

Specification

Title	Description
Theme/Discipline	Process Engineering
Core Tech	Process Equipment
Industry	Oil
CaviFlow® Module \| Plug&Play	CaviFlow® Inline module \| Easy to install \| Easy-to-clean \| Low-maintenance design \| Reduce emissions - maintain systems Scalable from 6 m3/h to 100 m3/h \| Quick integration into existing process systems \| Without high investment costs \| Threaded or flanged connections \| Immediately ready for use \| Space-saving compared to conventional agitators \| Made of (stainless) steel
Cavitation as a Green Technology	Cavitation is increasingly recognized as a green and sustainable processing technology. By leveraging physical hydrodynamic effects instead of chemical additives.
Improved Combustion of Fuel Blends	Cavitation enhances microscopic mixing of conventional fuels with alternatives (biodiesel, glycerin, methanol, ethanol, pyrolysis oils), promoting partial upgrading and desulfurization, which improves combustion stability and engine efficiency.
Viscosity Reduction & Easier Handling	Blending fuels of different viscosities is challenging. Cavitation reduces viscosity differences, making the fuel blend easier to pump, inject, and atomize, and lowering preheating energy requirements.
Homogeneous Blending & Sediment Reduction	CaviFlow® inline module ensures uniform dispersion of all fuel components, including sludge and residual water, minimizing sediment formation and improving fuel stability for storage and operation.
Contaminant Reduction in Blends	Partial chemical activation during cavitation reduces sulfur, ash, and metal contaminants across blended fuels, protecting engines and lowering abrasive wear from heterogeneous fuel sources.
Fuel Efficiency & Energy Gains	More uniform and reactive fuel blends allow slight fuel savings and improved energy efficiency, even when mixing high-viscosity heavy fuels with lighter renewable components.
Environmental Compliance & Sustainability	Blending conventional and alternative fuels with cavitation reduces CO₂ emissions, lowers pollutant content, and supports advancing sustainable marine fuel use.