Amine Hyg ie ne I mpro ving a mine unit pra c tic e Amine De - PowerPoint PPT Presentation

Amine Hyg ie ne I mpro ving a mine unit pra c tic e

Amine De g ra da tio n 2 Me pso n 2017 22/ 10/ 2017

Amine Co rro sio n 3 Co urte sy o f Amine E xpe rts Me pso n 2017 22/ 10/ 2017

Amine Hyg ie ne 4  Pro pe r filtra tio n  Go o d a mine a na lysis  Pro pe r o pe ra ting c o nditio ns  T e mpe ra ture s  L e a n a nd ric h lo a ding s  He a t Sta b le Sa lt c o ntro l Me pso n 2017 22/ 10/ 2017

Hig h HSAS 5  Re fine rie s 0.5% - 3%  Ga s Pla nts 0%-3%  Re duc e d c a pa c ity  Co rro sio n  F iltra tio n  E ne rg y c o nsumptio n 22/ 10/ 2017 Me pso n 2017

Amine Ac id Ga s Re mo va l vs 6 HSAS F o rma tio n He a t Re g e ne ra b le Sa lt 2 S Amine H + HS - (a c id g a s re mo va l) Amine + H  Ga s tre a ting P, T , e tc . c a n re ve rse e q uilib rium in the a b so rb e r ve rsus the re g e ne ra to r He a t Sta b le Sa lt (e xa mple fo rma te ) Amine + HCCO - Amine H + HCCO - (HSAS)  Ga s tre a ting P, T , e tc . will no t re ve rse e q uilib rium.  HSAS re duc e s “a c tive ” a mine fro m the g a s tre a ting unit Me pso n 2017 22/ 10/ 2017

Re c o mme nde d ma ximum I o n Co nc e ntra tio ns 7  Ac e ta te < 1,000 ppm +  F o rma te < 5,000 - 10,000 ppm (500)  Oxa la te < 250 - 1,000 ppm  Glyc o la te < 1,000 ppm  T hio c ya na te < 10,000 ppm  T hio sulfa te < 10,000 ppm  Sulfa te < 1,000 ppm +  Chlo ride < 250-500 ppm  Ca lc ium < 10 ppm  So dium. < 8,000 - 12,000 ppm Me pso n 2017 22/ 10/ 2017

Co ntro l Optio ns 8 No thing Ble e d & F e e d Ne utra liza tio n Re c la ma tio n Me pso n 2017 22/ 10/ 2017

Ble e d a nd F e e d 9  E a sie st  Co st e ffe c tive fo r sma ll units o r ve ry lo w sa lt ing re ss ra te s  Units unde r 15 m3  Sa lt re mo va l re q uire me nts unde r 150 kg mo le s  Only truly e ffe c tive if the e ntire a mine unit c a n b e purg e d in o ne ste p Me pso n 2017 22/ 10/ 2017

Ble e d a nd F e e d 10 25000 6.0% 5.0% 20000 107% inve nto ry - (3%-1% HSAS) 4.0% 15000 PPM Anions HSAS 3.0% 10000 2.0% 5000 1.0% 0 0.0% 0% 20% 40% 60% 80% 100% 120% 140% 160% 180% 200% Me pso n 2017 22/ 10/ 2017 Pe r c e nt Of Inve ntor y

Inve ntorie s Purg e d to Ma inta in Ste a dy Sta te HSAS 1% ing re ss/ yr 2% I ng re ss/ yr 3% I ng re ss/ yr 11 300.% 250.% 200.% Amine Inve ntorie s 150.% 100.% 50.% 0.% 1 2 3 4 Ste a dy Sta te HSAS Me pso n 2017 22/ 10/ 2017

Ne utra liza tio n 12  Ca n b e use d to c o ntro l HSAS, while a nio ns c o nc e ntra tio n inc re a se s  L ib e ra te s a mine mo le c ule  Re duc e s c o rro sio n  L imite d b y so lub ility o f the ino rg a nic sa lt  Ne utra liza tio n pro c e dure is CRI T I CAL  Do not pe r for m without pr ope r e xpe r tise  R 3 NH + + OH - <---> R 3 N + H 2 O  CH 3 COO - + Na + <---> CH 3 COO - + Na + Me pso n 2017 22/ 10/ 2017

HSAS a nd Anio n Co nc e ntra tio ns 13 Me pso n 2017 22/ 10/ 2017

Re c la ma tio n 14  T ypic a lly the mo st e ffe c tive me tho d o f HSS c o ntro l  Ca n b e mo b ile o r pe rma ne nt  Re c la ma tio n c a n b e c o mplic a te d  I n N.A te nde nc y is to wa rds mo b ile  Ne we r me tho ds a re muc h mo re e nd use r frie ndly Me pso n 2017 22/ 10/ 2017

Re c la ma tio n Optio ns 15  Distilla tio n  On o r o ff site , pe rma ne nt, mo b ile  Re mo ve s io nic a nd no n-io nic spe c ie s, Ure a (DGA)  I de a l o f ME A a nd DGA  Co mple x  Amine lo sse s a re hig h  Wa ste dispo sa l c a n b e a n issue Me pso n 2017 22/ 10/ 2017

Re c la ma tio n Optio ns 16  I o n E xc ha ng e  Mo b ile o r pe rma ne nt  L e ss c o mple x  Ba tc h o r se mi-b a tc h pro c e ss  Re mo ve s io nic spe c ie s o nly  Hig h c he mic a l a nd wa te r usa g e  L a rg e wa ste vo lume (c a n re q uire po st tre a tme nt)  Amine lo sse s c a n b e lo w Me pso n 2017 22/ 10/ 2017

Re c la ma tio n Optio ns 17  E le c tro dia lysis  Mo st c o mple x de sig n  Co ntinuo us pro c e ss  Simple o pe ra tio n  Re mo ve s io nic spe c ie s o nly  Amine lo sse s a re lo w with mo st re c e nt de ve lo pme nts Me pso n 2017 22/ 10/ 2017

Ble e d a nd F e e d 18 25000 6.0% 5.0% 20000 107% inve nto ry - (3%-1% HSAS) 4.0% 15000 PPM Anions HSAS 3.0% 10000 2.0% 5000 1.0% 0 0.0% 0% 20% 40% 60% 80% 100% 120% 140% 160% 180% 200% Me pso n 2017 22/ 10/ 2017 Pe r c e nt Of Inve ntor y

Re c la ma tio n Optio ns 19 200.% Ble e d & F e e d Distila tio n Old E D Ne w E D 180.% 160.% 140.% 120.% nve nto ry 100.% % I 80.% 60.% 40.% 20.% 0.% Me pso n 2017 22/ 10/ 2017 5.00% 4.50% 4.00% 3.50% 3.00% 2.50% 2.00% 1.50% 1.00% 0.50% 0.00% %HSAS

Re c la ma tio n Optio ns 20 40.% Ne w E D Old E D Distila tio n Ble e d & F e e d 35.% 30.% 25.% nve nto ry 20.% % I 15.% 10.% 5.% 0.% 5.00% 4.50% Me pso n 2017 4.00% 3.50% 3.00% 2.50% 2.00% 1.50% 1.00% 0.50% 0.00% 22/ 10/ 2017 %HSAS

Re c la ma tio n Optio ns 21 160.000% Ne w E D Old E D Distila tio n Ble e d & F e e d 140.000% 120.000% 100.000% nve nto ry 80.000% % I 60.000% 40.000% 20.000% 0.000% Me pso n 2017 22/ 10/ 2017 3.00% 2.50% 2.00% 1.50% 1.00% 0.50% %HSAS

E le c tro dia lysis 22 Me pso n 2017 22/ 10/ 2017

Summa ry 23  Amine o pe ra to rs a re inc re a sing ly ta king a mine hyg ie ne in a c c o unt  E a sie st a nd me tho d is to b le e d a nd fe e d  Mo re so phistic a te d a nd e ffic ie nt o ptio ns a re to re c la im whe n ne e de d  Re c la ma tio n ha s in the pa st b e e n vie we d a s c o mplic a te d a nd thus o fte n no t wo rth the e ffo rt.  Go o d hyg ie ne le a d to lo ng te rm sa ving s a nd o ve ra ll e ffic ie nt o pe ra tio n Me pso n 2017 22/ 10/ 2017