PhD Devices
Bringing Precision and Intelligence to Fuel Additive Dosing

For decades, fuel storage operations have relied on manual calculations and conventional time-based, flow-rate-based and blending methods to apply additives. While fuel chemistry has advanced significantly, these approaches can make it difficult to accurately match additive quantities to changing fuel volumes, often resulting in inconsistent dosing, overdosing or underdosing, and unnecessary product waste. The process of delivering precise amounts of additives at the right time remains a challenge, particularly across large-scale storage operations.

PhD Devices set out to address this gap with TankDose, a patented volume-based dosing solution designed to bring greater accuracy, consistency and automation to fuel additive management.

Recognised as one of the Top Automatic Volume-Based Dosing Device Solutions, PhD Devices developed a small and versatile device, TankDose around a simple but important principle: dosing should be based on actual changes in tank volume rather than estimated flow, time intervals, blending processes or a particular shape.

Most existing dosing technologies struggle with ultra-low additive ratios, often forcing operators to rely on manual measurements and calculations. TankDose changes this approach by continuously monitoring liquid levels and calculating volume changes in real time. This allows the system to deliver precise quantities of additives with accuracy as high as 0.001 percent.

A Different Way to Dose

TankDose was created to solve a specific industry limitation. Traditional dosing systems generally require continuous flow and can be affected by variations in operating conditions. In contrast, PhD Devices’ solution measures the change in volume as fuel enters or leaves a tank and delivers additive only when required.

Using ultrasonic sensors or magnetostrictive probes, TankDose tracks tank levels and determines the exact volume change. When the required threshold is reached, a positive-displacement pump injects the correct amount of additive. This ensures consistent dosing regardless of tank height, pressure or installation conditions.

“TankDose was purpose-built to eliminate manual dosing, remove operator error, and finally give the fuel-additive industry a technology that matches the precision of modern additive chemistry,” says Pauline Horan Dunn, Founder and Managing Director.

The result is a system that does more than improve accuracy. It helps businesses reduce the risks associated with incorrect additive application while creating a more dependable process for managing fuel quality. What makes it even better is the ATEX approved setup for explosive environments that it offers. It can inject the additive dose into the output tank manifold at a fast rate, for aviation fuels or other liquids requiring additive injection rather than tank dosing.

Turning Fuel Management into a Connected Process

While precision dosing is at the heart of TankDose, PhD Devices has taken the technology further by integrating IoT capabilities into the platform. Through its WebApp, users can monitor tank levels, track additive usage, receive alerts and manage multiple installations remotely.

This connectivity addresses another major challenge faced by fuel businesses: visibility. Managing multiple tanks across different locations can require significant time, labour and coordination. TankDose provides operators and distributors with real-time information, helping them identify issues earlier and plan service activities more effectively.

“TankDose isn’t just a dosing device, it’s a fully connected IoT platform,” says Alan McCoy, Co-Founder and Software Guru.

By combining automation with digital monitoring, the platform helps businesses move away from reactive maintenance and toward more informed decision-making.

Supporting the Future of Fuel

Although TankDose was developed for fuel additives, its underlying technology has applications across industries where precise liquid dosing is required. The solution can support diesel, petrol, biofuels, aviation fuels and other specialised applications where accurate additive management is critical.

As the adoption of renewable fuels grows, precise dosing becomes increasingly important. Biofuels and sustainable aviation fuels require careful management to maintain stability, protect equipment and support reliable storage. TankDose provides businesses with the control needed to adapt to these changing requirements.

Beyond improving fuel efficiency, the technology helps reduce tank contamination, lower labour demands, minimise unnecessary site visits and improve operational visibility. These benefits allow companies to manage fuel assets more efficiently while supporting cleaner and more advanced fuel practices.

PhD Devices is not simply introducing another dosing solution to the market. Through TankDose, the company is addressing a long-standing operational challenge by changing the way additives are measured, delivered and managed. By bringing together precision engineering, automation and connectivity, PhD Devices is helping modernise an area of the fuel industry that has remained largely unchanged for decades.