Cryo-Condensation Technology for Volatile Organic Compound VOC Abatement

Abstract The objective of this paper is to address the challenges associated with the Volatile Organic Compound (VOC) emissions during crude oil tanker loading operations. It focuses on applying cryogenic condensation technology to capture and recover VOC, thereby reducing environmental impact and improving operational efficiency. The paper will also reference a case study planned at one of the oil terminals, highlighting the added revenue opportunities through solvent recovery and significant reductions in CO₂ emissions. The cryogenic condensation module will be introduced as an integrated final polishing step in the hydrocarbon vapors emissions abatement system. The VOC emitted during crude oil tanker loading are adsorbed on carbon beds, then condensed into liquid form; where the recovered products can be reused or sold, creating economic and environmental value. The study will also outline how this modular technology was selected, engineered, and adapted for large marine loading operations. Moreover, key comparisons will be made to conventional methods like thermal oxidation and standard carbon adsorption systems to emphasize the advantages of the cryogenic condensation technology. The expected results from implementing the cryogenic solution particularly the CIRRUS Vapor Emission Control (VEC) system at the oil terminal indicate VOC emissions reductions of over 95% and converting them into valuable recovered hydrocarbons, avoidance of up to 3,900 tons/year of CO₂ emissions. Initial modeling suggests substantial CO₂ emissions savings by avoiding combustion-based abatement. Additionally, the recovered vapors represent an added revenue stream, improving the return on investment. Observations from similar installations confirm the cryogenic condensation technology's operational reliability, safety (due to inert nitrogen use), and easy integration with marine terminals. These findings underscore the solution's capability to meet increasingly strict environmental regulations while offering economic incentives to operators to reach the highest safety standards. In addition to emission reduction, this paper emphasizes the integration of cryo-condensation system into existing terminal infrastructure, the potential for modular expansion, and its compatibility with emerging decarbonization frameworks. The system's low energy consumption, intrinsic safety, and hydrocarbon recovery capabilities position it as a compelling alternative to traditional VOC abatement strategies. The novel aspect of this paper is showcasing a scalable, field-ready cryogenic solution to one of the most environmentally challenging phases of oil logistics: the VOC released during tanker loading. By detailing its application at the oil terminal, the paper will provide practical insight into how operators can turn regulatory pressure into a value-added opportunity, contributing both to sustainability goals and production growth. Growing Environmental, Social and Governance (ESG) practices and carbon pricing mechanisms globally are driving renewed attention toward non-combustive VOC abatement strategies, positioning cryogenic condensation systems as enablers of long-term sustainability.