100 Most Used Acronyms in Carbon Capture
- TeOsTeam
- Mar 17
- 6 min read
Carbon capture and storage (CCS) is a critical technology in the fight against climate change. Whether you're a researcher, policymaker, industry professional, or just an interested learner, understanding the terminology used in CCS is essential. To help you navigate the field, we’ve compiled a list of 100 commonly used acronyms in carbon capture, utilization, and storage (CCUS).

Key Acronyms in Carbon Capture and Storage (CCS)
CCS - Carbon Capture and Storage: A technology used to capture and store carbon dioxide to prevent it from entering the atmosphere.
CCUS - Carbon Capture, Utilization, and Storage: Similar to CCS, but includes the reuse of captured CO2 in industrial applications.
DAC - Direct Air Capture: The process of extracting CO2 directly from the atmosphere.
BECCS - Bioenergy with Carbon Capture and Storage: A method that combines bioenergy production with carbon capture to achieve negative emissions.
EOR - Enhanced Oil Recovery: The use of CO2 to extract more crude oil from reservoirs.
CO2 - Carbon Dioxide: A greenhouse gas targeted for capture and storage.
C2H6 - Ethane: A hydrocarbon sometimes involved in CCS processes.
CH4 - Methane: A potent greenhouse gas that is also a focus of emissions reduction efforts.
IPCC - Intergovernmental Panel on Climate Change: A global body assessing climate change science and policies.
IEA - International Energy Agency: An organization that provides policy recommendations and analysis on global energy issues.
Capture Technologies and Methods
MEA - Monoethanolamine: A chemical solvent used in post-combustion carbon capture.
PCC - Post-Combustion Capture: Capturing CO2 from flue gases after fossil fuel combustion.
OCC - Oxyfuel Combustion Capture: A process that burns fuel in oxygen instead of air to produce a pure CO2 stream.
IGCC - Integrated Gasification Combined Cycle: A process that converts coal into gas before combustion for more efficient power generation and carbon capture.
DACCS - Direct Air Carbon Capture and Storage: A method of removing CO2 from the air and storing it underground.
MCFC - Molten Carbonate Fuel Cell: A type of fuel cell that can help capture CO2 while generating power.
PC - Pulverized Coal: A common method of coal combustion that can be coupled with carbon capture.
CEM - Continuous Emissions Monitoring: Technology used to measure CO2 emissions in real time.
PSA - Pressure Swing Adsorption: A separation process for capturing CO2.
ESA - Electric Swing Adsorption: A CO2 capture process that uses electrical energy for desorption.
Utilization and Storage
CDR - Carbon Dioxide Removal: Technologies that actively remove CO2 from the atmosphere.
LCA - Life Cycle Assessment: A method for evaluating the environmental impact of CCS technologies.
MRV - Monitoring, Reporting, and Verification: A framework for ensuring the effectiveness of CCS projects.
SBS - Saline-Based Sequestration: Storing captured CO2 in deep saline aquifers.
ECBM - Enhanced Coal Bed Methane Recovery: Using CO2 injection to enhance methane extraction from coal beds.
GCS - Geological Carbon Storage: The underground storage of CO2 in geological formations.
SRU - Sulfur Recovery Unit: A facility that removes sulfur compounds from gases in industrial processes.
BRU - Byproduct Recovery Unit: Equipment used to recover byproducts from CCS processes.
CCM - Carbon Capture and Mineralization: A process where CO2 reacts with minerals to form stable carbonates.
R&D - Research and Development: Ongoing efforts to improve CCS technology.
Regulations, Policies, and Organizations
EPA - Environmental Protection Agency: A regulatory body overseeing environmental protection and carbon emissions.
DOE - Department of Energy: A governmental department supporting CCS research and deployment.
NASEM - National Academies of Sciences, Engineering, and Medicine: A scientific advisory organization supporting CCS advancements.
UNFCCC - United Nations Framework Convention on Climate Change: The international treaty addressing climate change.
GHG - Greenhouse Gas: Gases like CO2 and CH4 that contribute to global warming.
IPR - Intellectual Property Rights: Legal rights related to CCS technologies.
ETS - Emissions Trading System: A market-based approach to controlling emissions.
CDM - Clean Development Mechanism: A UN program that allows emission reduction projects in developing countries.
COP - Conference of Parties: The annual UN climate change conference.
CSR - Corporate Social Responsibility: Business initiatives aimed at environmental sustainability.
Industry and Technology Innovations
TRL - Technology Readiness Level: A scale used to assess the maturity of CCS technologies.
OPEX - Operational Expenditure: The ongoing costs of running CCS systems.
CAPEX - Capital Expenditure: The upfront investment required for CCS projects.
LCOE - Levelized Cost of Electricity: The cost of electricity generation considering CCS investments.
CCF - Carbon Capture Facility: A site where CO2 is captured before entering the atmosphere.
FGR - Flue Gas Recirculation: A method used to enhance CO2 concentration for easier capture.
CFD - Computational Fluid Dynamics: A modeling tool for optimizing CCS processes.
HSE - Health, Safety, and Environment: Regulations ensuring worker and environmental safety in CCS.
SCF - Supercritical Fluid: A state of matter useful in CCS processes.
ASU - Air Separation Unit: A unit that separates oxygen from air for oxyfuel combustion.
Advanced CCS Processes
51. CEOR - Carbon-Enhanced Oil Recovery: A technique combining CO2 injection with conventional enhanced oil recovery to maximize extraction.
DACC - Direct Air Carbon Capture: Advanced direct air capture technologies designed for large-scale CO2 removal.
CLC - Chemical Looping Combustion: A process that uses metal oxides to capture CO2 during fuel combustion.
SAC - Solid Adsorption Capture: A method that uses solid materials to adsorb CO2 from emissions.
MTR - Membrane Technology for Reduction: The use of membranes to separate CO2 from flue gas streams.
UCCC - Ultra-Clean Carbon Capture: A next-gen method aimed at reducing CO2 capture costs and improving efficiency.
SCS - Supercritical Carbon Sequestration: Utilizing supercritical CO2 for storage in deep geological formations.
BACS - Bio-Algae Carbon Sequestration: A process that employs algae to capture and store carbon from the atmosphere.
HTC - High-Temperature Carbonation: A process where CO2 reacts with minerals at high temperatures to form stable compounds.
CPS - Cryogenic Phase Separation: A low-temperature separation method for purifying and capturing CO2.
Emerging Technologies
61. DAC+ - Direct Air Capture Plus Utilization: Advanced direct air capture methods integrated with utilization pathways.
MICP - Microbial Induced Carbonate Precipitation: Using microbes to store CO2 in carbonate rock formations.
CPT - Carbonation Precipitation Technology: A novel approach that locks CO2 in stable mineral compounds.
LFC - Low-Flow Capture: A technology optimizing CO2 capture efficiency for small emission sources.
HCC - Hybrid Carbon Capture: A combination of multiple capture methods for enhanced efficiency.
RAC - Regenerative Absorption Capture: A system that regenerates absorbents for repeated CO2 capture cycles.
ZEC - Zero-Emission Carbon Technology: A concept aiming for completely emission-free carbon utilization.
SMOC - Smart Monitoring of Carbon: AI-driven monitoring and optimization of carbon capture facilities.
EIC - Electrochemical Induced Capture: The use of electrochemical methods to enhance CO2 capture and conversion.
NCMC - Nanocomposite Membrane Capture: The application of advanced nanomaterials to improve CO2 separation.
Funding Mechanisms
71. CCIF - Carbon Capture Investment Fund: A dedicated fund supporting CCS technology deployment.
GCF - Green Climate Fund: A global funding initiative that supports CCS and climate projects.
CEC - Carbon Emissions Credit: A tradable credit for companies investing in CCS projects.
NCIF - National Carbon Incentive Fund: Government-sponsored programs incentivizing carbon capture adoption.
LCEF - Low-Carbon Economy Fund: A financial instrument supporting low-carbon technology transitions.
SCF - Sustainable Carbon Finance: Investment models focused on sustainable carbon reduction projects.
CCB - Carbon Capture Bonds: Bonds issued to finance carbon capture infrastructure and projects.
RFS - Renewable Fuel Standard: A regulatory program providing financial support for CCS-linked biofuel production.
PPA-CCS - Power Purchase Agreement for CCS: Contracts ensuring funding for electricity from CCS-powered plants.
VCS - Verified Carbon Standard: A certification ensuring the credibility of carbon capture offset projects.
Policy Frameworks
81. NZTS - Net-Zero Transition Strategy: A governmental policy roadmap for achieving net-zero emissions through CCS.
CCP - Carbon Capture Policy: Regulatory guidelines shaping the adoption of carbon capture technologies.
CESA - Carbon Emissions and Storage Act: A legislative act outlining carbon storage legal frameworks.
FEC - Federal Emissions Cap: A policy limiting CO2 emissions and promoting CCS compliance.
CBAM - Carbon Border Adjustment Mechanism: A policy imposing tariffs on high-carbon imports to support CCS.
LCTR - Low Carbon Tax Rebate: A financial incentive for businesses implementing CCS projects.
CCS-RD - Carbon Capture and Storage Research Directive: Government-backed funding for CCS innovation.
EUCFS - EU Carbon Funding Scheme: A European Union initiative supporting CCS development.
GCEP - Global Carbon Emissions Pact: An international treaty outlining CCS commitments.
IEA-CCS - International Energy Agency CCS Policy: A framework guiding CCS deployment worldwide.
Top 10 Most Used Processes for Carbon Capture Explained
Post-Combustion Capture (PCC): CO₂ is captured from flue gases after fuel combustion using chemical solvents.
Pre-Combustion Capture (PreCC): CO₂ is removed from syngas before fuel combustion in power plants.
Oxyfuel Combustion (OxyCC): Fuel is burned in pure O₂ instead of air, producing a flue gas of mainly CO₂ and H₂O for easier separation.
Direct Air Capture (DAC): CO₂ is extracted directly from the atmosphere using solid adsorbents or liquid solvents.
Chemical Looping Combustion (CLC): Uses metal oxides to transfer oxygen to fuel, avoiding direct contact with air and creating a pure CO₂ stream.
Cryogenic Carbon Capture (CCC): CO₂ is separated from flue gases by cooling the gas to very low temperatures.
Membrane Separation (MSCC): Uses selective membranes to separate CO₂ from gas mixtures based on molecular size and solubility.
Pressure Swing Adsorption (PSA): Uses porous materials to capture CO₂ under high pressure and release it under low pressure.
Calcium Looping (CaL): Uses CaO (lime) to capture CO₂ and regenerate the sorbent through calcination.
Bioenergy with Carbon Capture and Storage (BECCS): Biomass absorbs CO₂ during growth, and its combustion is coupled with CCS to achieve negative emissions.
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