Adelaide University Researchers Combine Dealcoholisation Technology and Carbon Filtration to Remediate Smoke-Tainted Bushfire Wines

Adelaide University researchers combine spinning cone distillation and carbon treatment to remove bushfire smoke taint while preserving wine's fruity aromas.

By: AXL Media

Published: Mar 31, 2026, 3:22 AM EDT

Source: Information for this report was sourced from Adelaide University

Addressing the Climate Threat to Global Viticulture

The international wine industry, which reached a valuation of 333 billion dollars in 2023, is increasingly vulnerable to the environmental fallout of catastrophic bushfires. Smoke taint, which occurs when vineyards are exposed to drifting smoke, can ruin entire vintages by imparting unpleasant medicinal or ashy flavors to the grapes. Professor Kerry Wilkinson of Adelaide University notes that as climate-related challenges intensify, developing urgent and sophisticated solutions to manage these sensory faults is essential for maintaining the economic stability of global wine production.

The Mechanics of Spinning Cone Column Distillation

A central component of this new remediation strategy is the spinning cone column (SCC) distillation system, a technology traditionally used to produce low-alcohol and alcohol-free wines. The SCC process utilizes a combination of steam and centrifugal force to separate a wine into two distinct parts: a volatile condensate containing ethanol and desirable aromas, and a "stripped" wine consisting of water, acids, sugars, and tannins. This mechanical separation provides a unique opportunity to manipulate specific components of the wine without affecting the overall sensory profile.

Targeted Remediation Through Selective Carbon Application

Standard smoke taint treatments often involve passing the entire volume of wine through activated carbon, a porous material that absorbs impurities but also strips away the "fruity" characters that define a high-quality vintage. By using SCC technology first, researchers discovered that the compounds responsible for smoke taint remain primarily in the stripped wine. This allows winemakers to apply activated carbon exclusively to the stripped portion, effectively neutralizing the taint while keeping the volatile aroma condensate untouched and ready for recombination.