Organic getter materials for the removal of hydrogen and its isotopes

Conference · Wed Aug 01 00:00:00 EDT 1990

OSTI ID:6631806

Smith, H M; Shepodd, T J; Gilliom, L R

Herein, we describe hydrogen getter technologies developed at SNL and KCD over the past decade. The technologies are based on the irreversible removal of hydrogen by catalytic hydrogenation of unsaturated organic compounds. Different types have been developed: crystalline getters, dialkynes combined with heterogeneous catalysts; and a polymeric getter, a thermoplastic elastomer capable of reacting with hydrogen in the presence of oxygen without producing water. These materials can remove up to 300 cc (STP) of hydrogen per gram of material, and can maintain atmospheres of less than 10 ppM hydrogen. Crystalline getters for tritium and the combination hydrogen(tritium), water, and oxygen are described. The accumulation of hydrogen is usually an undesired event. Large leaks from hydrogen storage and handling facilities pose explosion hazards. Small amounts of hydrogen that may build up in sealed containers after long storage times can damage integral components. Any tritium leak is an immediate health hazard. Hydrogen scavengers or getters can avert all of these potential problems by irreversibly removing hydrogen from such environments. In this paper, we describe the development of two types of organic getters: the first is a new crystalline getter, based on 1,4-bis(phenylethynyl)benzene{sup 5} (DEB); the second is a polymeric hydrogen getter, based on styrene-butadiene copolymer.

• Research Organization: Allied-Signal Aerospace Co., Kansas City, MO (USA). Kansas City Div.
• Sponsoring Organization: DOE/DP
• DOE Contract Number: AC04-76DP00613
• OSTI ID: 6631806
• Report Number(s): KCP-613-4204; CONF-8909204-6; ON: DE90016284
• Resource Relation: Conference: 4. international conference on hydrogen effects on material behavior, Jackson Hole, WY (USA), 12-16 Sep 1989
• Country of Publication: United States
• Language: English

Related Subjects

08 HYDROGEN
GETTERS
EVALUATION
HYDROGEN
GETTERING
AROMATICS
CATALYSTS
COPOLYMERS
TRITIUM
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
ELEMENTS
HYDROGEN ISOTOPES
ISOTOPES
LIGHT NUCLEI
NONMETALS
NUCLEI
ODD-EVEN NUCLEI
ORGANIC COMPOUNDS
ORGANIC POLYMERS
POLYMERS
RADIOISOTOPES
YEARS LIVING RADIOISOTOPES
080204* - Hydrogen- Transport & Handling- (1990-)
080500 - Hydrogen- Health & Safety