Environment

The Environment technology area contains solutions resulting from Sandia’s extensive research and development in the environmental sciences as well as applied research to address urgent climate and infrastructure challenges.

This technology area also contains specialized portfolios related to:

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Inherently Safe In-Situ Uranium Recovery

An in-situ method of extracting uranium that significantly reduces adverse...

Advanced Forms of Activated Carbon

Sandia’s advanced activated carbon is used for the adsorption of...

Green Extraction of Rare Earth Elements from Coal Waste

A new method converts coal waste into a domestic source...

Title	Last Updated
Substitutional Tuning of Metal Hydrides for Hydrogen Compression	01/20/2025
Twistact	01/20/2025
Ducted Fuel Injection for Soot Reduction	01/20/2025
Concentric Flow Control (CFC) Vent Mast	01/15/2025
The Sandia Cooler	01/15/2025
Rotary-Cooled Solid-State Lighting	01/15/2025
Low Temperature Gasoline Combustion	01/15/2025
Tandem Conversion of Mixed Algal Biomass	01/10/2025
Algae Scrubbing for Waterway Remediation and Biofuel Production	01/07/2025
Trojan Horse Project: Biorefinery in a Plant	01/07/2025
Octane Booster	01/07/2025
Functionalized Mesoporous Carbon for PFAS Sequestration	11/27/2024
Green Extraction of Rare Earth Elements from Coal Waste	10/19/2021
Fluid-Infused Elastomers with Improved Resistance to Degradation	02/23/2021
Rare Earth Element Separation Using Mesoporous Materials	07/14/2020
Nonlinear Hourglass Buoy Design for Wave Energy Converters (WECs)	06/23/2020
Polymer Membrane Separators for Fuel Cells	02/28/2020
Low Inductance DC Power Bus	01/29/2020
Solid State Lithium Battery	01/20/2020
ADDSec: Artificial Diversity & Defense Security	03/29/2019
Multi-Layer Solid Lubricant Architecture for Hammer Drill Components	01/22/2019
Microsystems Enabled Photovoltaics (MEPV)	08/03/2018
Fluorescent Thallium Tracers	06/14/2018
Deployable Centralizers for Directional Drilling	03/26/2018
Control System for Active Damping of Inter-Area Oscillations	01/04/2018
One-Pot Bioconversion of Distiller's Grains to Advanced Biofuels	01/04/2018
Right-Size Dimple Evaluator v. 2.0	10/17/2017
Improved Method to Measure Glare and Reflected Solar Irradiance	08/04/2017
The Microgrid Design Toolkit	03/24/2017
TOPHAT™ for the Alignment & Focus of Heliostat Mirror Facets	10/31/2016
Nanoporous Al2O3 as a “Getter” for Volatile Radionuclides into Nanostructured Glass-Ceramic Waste Forms	10/31/2016
Solar Tracing Sensors for Maximum Solar Concentrator Efficiency	10/31/2016
pH Adjustment of Power Plant Cooling Water with Flue Gas/ Fly Ash	10/13/2016
Solar Glare Hazard Analysis Tool (SGHAT)	05/17/2016
Automated Transfer Function Generator	03/17/2016
Metal-Organic Frameworks for the Separation of O2 from Air	03/03/2016
Diffraction: Enhanced Light Absorption of Solar Cells and Photodetectors	02/29/2016
Alternating Current Photovoltaic Building Block	02/29/2016
SOFAST: Sandia Optical Fringe Analysis Slope Tool for Solar Mirror Characterization	02/05/2016
Packed Particle Bed Reactor	10/23/2015
Non-Invasive Energy Meter	10/14/2013
NanoCoral High Surface Area Platinum Catalysts to Improve Fuel Cell Efficiency	10/14/2013
Advanced Forms of Activated Carbon	06/11/2013
Optimized Alumina Coagulants for Water Purification	03/07/2013
Hydroxyapatite Barriers for Radionuclide Containment	03/05/2013
Startup Design Features for Supercritical Power Conversion Systems	02/06/2013
Intelligent Grid Technologies	01/31/2013
Sliding Pressure Control Valve for Pneumatic Hammer Drill	01/29/2013
Low-cost, Low-energy Absorption with Porous Liquids (LEAP-L)
Inherently Safe In-Situ Uranium Recovery
Offshore Wind Energy Simulation (OWENS)

Patent Title	Patent Number	Grant Date
Heat Exchanger and Method for Heat Removal or Transfer	Pending	Pending
Heat Exchanger Device and Method for Heat Removal or Transfer	Pending	Pending
Ducted Fuel Injection	Pending	Pending
Ducted Fuel Injection	Pending	Pending
Hydrogen compression and storage systems	US12422099B1	09/23/2025
Sorption agent, method of making a sorption agent and barrier system	US12330136B2	06/17/2025
Flow assist vent mast	US12297960B1	05/13/2025
Multilayer solid lubricant architecture for use in drilling tool applications	US11846160B2	12/19/2023
Additives for improving autoignition reactivity of hydrocarbon-based fuels	US11814595B1	11/14/2023
Injectable sacrificial material systems and methods to contain molten corium in nuclear accidents	US11783954B2	10/10/2023
Control systems and methods to enable autonomous drilling	US11753922B1	09/12/2023
Ball transfer mechanism with polycrystalline diamond bearing support	US11719046B2	08/08/2023
Ducted fuel injection system alignment device	US11713742B1	08/01/2023
Low soot stoichiometric compression-ignition combustion	US11629661B1	04/18/2023
Modular anti-rotation drilling systems and methods	US11566497B2	01/31/2023
Biochemical upgrading of high-protein biomass and grain products	US11312978B2	04/26/2022
Injectable sacrificial material systems and methods to contain molten corium in nuclear accidents	US11309096B1	04/19/2022
Fluid-powered linear motor with rotary pistons and motion rectifier and synthetic diamond bearing assemblies	US11306749B1	04/19/2022
Control systems and methods to enable autonomous drilling	US11280173B1	03/22/2022
Compounds that induce octane overboosting	US11225622B1	01/18/2022
Sorption agent, method of making a sorption agent and barrier system	US11207658B1	12/28/2021
Ducted Fuel Injection	EP3201446B1	12/08/2021
Multilayer solid lubricant architecture for use in drilling tool applications	US11156033B1	10/26/2021
Modular anti-rotation drilling systems and methods	US11131167B1	09/28/2021
Degradation of chemical agents using metal-organic framework compositions	US11077327B1	08/03/2021
Ball transfer mechanism with polycrystalline diamond bearing support	US10968700B1	04/06/2021
Control systems and methods to enable autonomous drilling	US10900343B1	01/26/2021
Fluid-powered linear motor with rotary pistons and motion rectifier	US10767670B2	09/08/2020
Biochemical upgrading of high-protein biomass and grain products	US10683519B1	06/16/2020
Functionalized surfaces for the destruction of pathogens and organics	US10640395B2	05/05/2020
Variable rate compliance modules, assemblies and tools for suppression of drilling vibrations	US10407998B1	09/10/2019
Fluid driven drilling motor	US10385616B1	08/20/2019
Deployable centralizers	US10344542B1	07/09/2019
Additive-mixing fuel-injection system for internal combustion engines	US10202929B1	02/12/2019
Functionalized surfaces for the destruction of pathogens and organics	US10155674B1	12/18/2018
Modular fluid powered linear piston motors with harmonic coupling	US10100850B1	10/16/2018
Tandem biochemical and thermochemical conversion of algal biomass	US10077454B1	09/18/2018
Nanostructured metal amides and nitrides for hydrogen storage	US10000377B1	06/19/2018
Ducted fuel injection	US9909549B2	03/06/2018
Method for carbon dioxide sequestration	US9834381B2	12/05/2017
Electrofracturing test system and method of determining material characteristics of electrofractured material samples	US9719908B1	08/01/2017
Use of MgO doped with a divalent or trivalent metal cation for removing arsenic from water	US9663389B1	05/30/2017
Solid state lighting devices and methods with rotary cooling structures	US9599328B2	03/21/2017
Deployable centralizers	US9580976B1	02/28/2017
Method for carbon dioxide splitting	US9580326B1	02/28/2017
Method for the capture and storage of waste	US9552897B2	01/24/2017
Self-assembling segmented coiled tubing	US9453376B1	09/27/2016
Fluid powered linear piston motor with harmonic coupling	US9447798B1	09/20/2016
Apatite sequestration of technetium	US9443627B1	09/13/2016
Apatite sequestration of selenium	US9440217B1	09/13/2016
Densified waste form and method for forming	US9343192B2	05/17/2016
Heat exchanger device and method for heat removal or transfer	US9207023B2	12/08/2015
Methods of capturing and immobilizing radioactive nuclei with metal fluorite-based inorganic materials	US9180428B1	11/10/2015
System and method for the capture and storage of waste	US9162914B1	10/20/2015
PH adjustment of power plant cooling water with flue gas/fly ash	US9140145B1	09/22/2015
Method for carbon dioxide sequestration	US9139364B1	09/22/2015
Densified waste form and method for forming	US9117560B1	08/25/2015
Methods and materials for deconstruction of biomass for biofuels production	US9024111B1	05/05/2015
Methods of capturing and immobilizing radioactive nuclei with metal fluorite-based inorganic materials	US9000250B1	04/07/2015
Heat exchanger device and method for heat removal or transfer	US8988881B2	03/24/2015
Detection of gas leakage	US8955370B1	02/17/2015
Method of making nanostructured glass-ceramic waste forms	US8772566B2	07/08/2014
Process and apparatus for separation of components of a gas stream	US8753439B1	06/17/2014
Long range heliostat target using array of normal incidence pyranometers to evaluate a beam of solar radiation	US8664577B1	03/04/2014
Methods of recovering alkali metals	US8663361B1	03/04/2014
Process and apparatus for separation of components of a gas stream	US8585801B1	11/19/2013
Rotary electrical contact device and method for providing current to and/or from a rotating member	US8585413B2	11/19/2013
Process and apparatus for separation of components of a gas stream	US8535424B1	09/17/2013
Mobile lighting apparatus	US8439534B1	05/14/2013
Moving bed reactor for solar thermochemical fuel production	US8420032B1	04/16/2013
Method of making nanostructured glass-ceramic waste forms	US8334421B1	12/18/2012
Airfoil-shaped micro-mixers for reducing fouling on membrane surfaces	US8292492B2	10/23/2012
Heat exchanger device and method for heat removal or transfer	US8228675B2	07/24/2012
Detection of gas leakage	US8201438B1	06/19/2012
Reduced-impact sliding pressure control valve for pneumatic hammer drill	US8176995B1	05/15/2012
Optimized alumina coagulants for water treatment	US8119011B1	02/21/2012
In-tank recirculating arsenic treatment system	US7514004B1	04/07/2009
Multilayer gasket	US6722661B2	04/20/2004
Suction nozzle	US5368560A_	11/29/1994
Antisiphon ball cock and silencer	US9792292B1	09/14/1943
Antisiphon ball cock and silencer	Pending	09/14/1943