{"id":"https://openalex.org/W106479809","doi":null,"title":"Oxygen Extraction from Lunar Materials: an Experimental Test of an Ilmenite Reduction Process","display_name":"Oxygen Extraction from Lunar Materials: an Experimental Test of an Ilmenite Reduction Process","publication_year":1985,"publication_date":"1985-01-01","ids":{"openalex":"https://openalex.org/W106479809","mag":"106479809"},"language":"en","primary_location":{"id":"mag:106479809","doi":null,"is_oa":false,"landing_page_url":"https://ntrs.nasa.gov/search.jsp?R=19860045421","pdf_url":null,"source":{"id":"https://openalex.org/S4306402118","display_name":"NASA Technical Reports Server (NASA)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I4210124779","host_organization_name":"National Aeronautics and Space Administration","host_organization_lineage":["https://openalex.org/I4210124779"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null},"volume":null,"type":"article","is_traditional":true,"indexed_in":[],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":null,"display_name":"Richard J. Williams","orcid":"https://orcid.org/0000-0003-3831-8738","observed_orcids":["https://orcid.org/0000-0003-3831-8738"]},"institutions":[{"id":"https://openalex.org/I4210149382","display_name":"Johnson Space Center","ror":"https://ror.org/04xx4z452","country_code":"US","type":"facility","lineage":["https://openalex.org/I4210124779","https://openalex.org/I4210149382"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Richard J. Williams","raw_affiliation_strings":["NASA Johnson Space Center Houston, TX, United States"],"raw_orcid":"https://orcid.org/0000-0003-3831-8738","affiliations":[{"raw_affiliation_string":"NASA Johnson Space Center Houston, TX, United States","institution_ids":["https://openalex.org/I4210149382"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I4210149382"],"apc_list":null,"apc_paid":null,"fwci":0.4815,"has_fulltext":false,"cited_by_count":15,"citation_normalized_percentile":{"value":0.63415902,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":95},"biblio":{"volume":null,"issue":null,"first_page":"551","last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10406","display_name":"Planetary Science and Exploration","score":0.2621999979019165,"subfield":{"id":"https://openalex.org/subfields/1912","display_name":"Space and Planetary Science"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10406","display_name":"Planetary Science and Exploration","score":0.2621999979019165,"subfield":{"id":"https://openalex.org/subfields/1912","display_name":"Space and Planetary Science"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T14214","display_name":"Space Exploration and Technology","score":0.23430000245571136,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11802","display_name":"Chemical Looping and Thermochemical Processes","score":0.2078000009059906,"subfield":{"id":"https://openalex.org/subfields/2103","display_name":"Fuel Technology"},"field":{"id":"https://openalex.org/fields/21","display_name":"Energy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/oxygen-extraction","display_name":"oxygen extraction","score":0.8920000195503235},{"id":"https://openalex.org/keywords/lunar-materials","display_name":"lunar materials","score":0.7960000038146973},{"id":"https://openalex.org/keywords/ilmenite-reduction","display_name":"ilmenite reduction","score":0.9480000138282776},{"id":"https://openalex.org/keywords/hydrogen-reduction","display_name":"hydrogen reduction","score":0.7120000123977661},{"id":"https://openalex.org/keywords/water-production","display_name":"water production","score":0.843999981880188},{"id":"https://openalex.org/keywords/cold-trap","display_name":"cold trap","score":0.9670000076293945},{"id":"https://openalex.org/keywords/continuous-flow-process","display_name":"continuous flow processing","score":0.8859999775886536},{"id":"https://openalex.org/keywords/iron-sulfide","display_name":"iron sulfide","score":0.7459999918937683},{"id":"https://openalex.org/keywords/hydrogen-sulfide","display_name":"hydrogen sulfide","score":0.8579999804496765},{"id":"https://openalex.org/keywords/lunar-regolith-simulant","display_name":"lunar regolith simulant","score":0.652999997138977},{"id":"https://openalex.org/keywords/beneficiation","display_name":"beneficiation","score":0.45399999618530273},{"id":"https://openalex.org/keywords/in-situ-resource-utilization","display_name":"in-situ resource utilization","score":0.6359999775886536}],"concepts":[{"id":"https://openalex.org/C2780375929","wikidata":"https://www.wikidata.org/wiki/Q190729","display_name":"Ilmenite","level":2,"score":0.8848739266395569},{"id":"https://openalex.org/C138782731","wikidata":"https://www.wikidata.org/wiki/Q2782134","display_name":"Beneficiation","level":2,"score":0.7508761286735535},{"id":"https://openalex.org/C540031477","wikidata":"https://www.wikidata.org/wiki/Q629","display_name":"Oxygen","level":2,"score":0.5332052111625671},{"id":"https://openalex.org/C2780564542","wikidata":"https://www.wikidata.org/wiki/Q170591","display_name":"Hydrogen sulfide","level":3,"score":0.5246096849441528},{"id":"https://openalex.org/C98045186","wikidata":"https://www.wikidata.org/wiki/Q205663","display_name":"Process (computing)","level":2,"score":0.4805096387863159},{"id":"https://openalex.org/C191897082","wikidata":"https://www.wikidata.org/wiki/Q11467","display_name":"Metallurgy","level":1,"score":0.44885820150375366},{"id":"https://openalex.org/C21880701","wikidata":"https://www.wikidata.org/wiki/Q2144042","display_name":"Process engineering","level":1,"score":0.44150087237358093},{"id":"https://openalex.org/C512968161","wikidata":"https://www.wikidata.org/wiki/Q556","display_name":"Hydrogen","level":2,"score":0.4411531090736389},{"id":"https://openalex.org/C2780596425","wikidata":"https://www.wikidata.org/wiki/Q221205","display_name":"Sulfide","level":2,"score":0.4401957094669342},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.40794020891189575},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.35598284006118774},{"id":"https://openalex.org/C199289684","wikidata":"https://www.wikidata.org/wiki/Q83353","display_name":"Mineralogy","level":1,"score":0.311737596988678},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.30468377470970154},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.17489251494407654},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.17080426216125488},{"id":"https://openalex.org/C518881349","wikidata":"https://www.wikidata.org/wiki/Q682","display_name":"Sulfur","level":2,"score":0.10001546144485474},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:106479809","doi":null,"is_oa":false,"landing_page_url":"https://ntrs.nasa.gov/search.jsp?R=19860045421","pdf_url":null,"source":{"id":"https://openalex.org/S4306402118","display_name":"NASA Technical Reports Server (NASA)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I4210124779","host_organization_name":"National Aeronautics and Space Administration","host_organization_lineage":["https://openalex.org/I4210124779"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/12","display_name":"Responsible consumption and production","score":0.807699978351593}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2227366421","https://openalex.org/W6906491766","https://openalex.org/W1481046299","https://openalex.org/W2974862558","https://openalex.org/W2915352156","https://openalex.org/W7038818791","https://openalex.org/W1550466022","https://openalex.org/W27749852","https://openalex.org/W644791650","https://openalex.org/W2037592318"],"abstract_inverted_index":{"The":[0,45],"reaction":[1],"of":[2,19,54,69,89],"ilmenite":[3],"with":[4,62],"hydrogen":[5],"to":[6,15,24,37,79,86],"produce":[7],"water":[8],"has":[9],"been":[10],"studied":[11],"experimentally":[12],"in":[13,27,41,49,91],"order":[14],"evaluate":[16],"the":[17,38,70,87,92],"effectiveness":[18],"using":[20],"a":[21,28,63],"cold":[22],"trap":[23],"improve":[25],"yields":[26],"continuous":[29],"flow":[30],"process.":[31],"Yields":[32],"were":[33],"enhanced,":[34],"but":[35],"not":[36],"degree":[39],"observed":[40],"batch":[42],"processing":[43,61],"systems.":[44],"terrestrial":[46],"simulant":[47],"used":[48],"these":[50],"studies":[51],"contained":[52],"traces":[53],"iron":[55],"sulfide,":[56],"which":[57],"released":[58],"H2S":[59],"during":[60],"deleterious":[64],"effect":[65],"on":[66],"several":[67],"components":[68],"test":[71],"system.":[72],"More":[73],"sophisticated":[74],"testing":[75],"should":[76],"be":[77],"undertaken":[78],"obtain":[80],"kinetic":[81],"data":[82],"and":[83],"attention":[84],"given":[85],"removal":[88],"sulfides":[90],"pre-process":[93],"beneficiation.":[94]},"counts_by_year":[{"year":2024,"cited_by_count":2},{"year":2021,"cited_by_count":2},{"year":2019,"cited_by_count":2},{"year":2012,"cited_by_count":1}],"updated_date":"2026-11-03T10:50:19.383937","created_date":"2016-06-24T00:00:00"}