Patent SG-11201811684P-A (SG)
Title: Method for the production of air gases by the cryogenic separation of air
Inventor: KONG PAUL
IPC: F25J3/04
Filed: 2017-06-29
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property 1 MI 11111 0 11101 HOE HI 1 0 1011101111110011111101111011110 MAMIE Organization International Bureau (10) International Publication Number (43) International Publication Date .....0\"\"\"1 WO 2018/005768 Al 04 January 2018 (04.01.2018) W I PO I PCT (51) International Patent Classification: ET L'EXPLOITATION DES PROCEDES GEORGES F25J 3/04 (2006.01) CLAUDE [FR/FR]; 75 Quai d'Orsay, F-75007 Paris (FR). (21) International Application Number: (72) Inventors; and PCT/US2017/039950 (71) Applicants (for US only): KONG, Paul [US/US]; 3303 Richland Drive, Sugar Land, Texas 77478 (US). PHAM- (22) International Filing Date: 29 June 2017 (29.06.2017) HUY, Minh [US/US]; 12102 Bolero Point Lane, Houston, Texas 77041 (US). YIP, Wendy [US/US]; 13715 Hudson (25) Filing Language: English Court, Sugar Land, Texas 77498 (US). (26) Publication Language: English (74) Agent: MURRAY, Justin et al.; 9811 Katy Freeway, Suit (30) Priority Data: 100, Houston, Texas 77024 (US). 62/356,962 30 June 2016 (30.06.2016) US (81) Designated States (unless otherwise indicated, for every 15/382,902 19 December 2016 (19.12.2016) US kind of national protection available): AE, AG, AL, AM, 15/382,896 19 December 2016 (19.12.2016) US AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, (71) Applicant (for all designated States except US): LAIR DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, LIQUIDE SOCIETE ANONYME POUR L'ETUDE HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, (54) Title: METHOD FOR THE PRODUCTION OF AIR GASES BY THE CRYOGENIC SEPARATION FIG. 1 '''' ' P13 X 60 OF AIR air can include the steps of separating the air stream into is at a feed pressure when oxygen product at a delivery second mode of operation, pressure and the delivery pressure deviates from — —. 14b i 55 12 __2__ Th 4. , , PILL , 116 I 132 i I i I i 261 4)— Plla 11 42 by the cryogenic separation of effective for cryogenically purified and compressed air stream pressure; delivering the pressure; wherein during the difference between the pipeline in instances in which the pipeline — 20 221 .----- apparatus for the production air stream to a cold box using a system of columns, withdrawing wherein the oxygen pipeline the pipeline fashion, a power savings can be realized the oxygen product at a product pressure; of air gases under conditions wherein the has a pipeline and reducing the 11 (57) : A method and GO sending a purified and compressed V; IN an oxygen product and nitrogen in entering the system of columns; C pressure to an oxygen pipeline, ---.. the method can include monitoring *t pressure. By operating in a dynamic 1-1 C its highest value. ei C [Continued on next page] WO 2018/005768 Al MIDEDIMOMOIDEIREEMOOVIIHOMMODEVOIMIE KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (84) Designated States (unless otherwise indicated, for every kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG). Published: — with international search report (Art. 21(3))