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Aka gatabo gatanga incamake irambuye ya kubyara amakara, ikubiyemo ibintu byose kuva tekinike yubucukuzi kugeza kubidukikije. Wige kubyerekeye isoko yisi yose, ubwoko butandukanye bwa amakara, n'ejo hazaza h'inganda zikomeye. Tuzasesengura inzira zose, kuva kubikuramo kugeza kubitunganya, hanyuma tuganire kubakinnyi bakomeye nibibazo biri murwego.
Urugendo rwa kubyara amakara itangirana nubushakashatsi bwitondewe kugirango hamenyekane amakara meza. Ibi birimo ubushakashatsi bwa geologiya, gucukura, no gusesengura kugirango umenye ubwiza bwamakara, ubwinshi, nuburyo bugerwaho. Ibintu nkubunini bwikigero, ubujyakuzimu, nuburemere burenze urugero bigira ingaruka kuburyo bwo gucukura amabuye y'agaciro.
Uburyo bubiri bwibanze bukuramo amakara: ubucukuzi bw'ubutaka n'ubucukuzi bw'ubutaka (gufungura cyangwa gucukura amabuye y'agaciro). Ubucukuzi bw'amabuye y'agaciro bukoresha tekiniki zitandukanye, zirimo icyumba n'inkingi, inzira ndende, n'umupaka n'inkingi, bitewe n'imiterere ya geologiya. Ubucukuzi bw'ubutaka bukoreshwa mugihe ubudodo buri hafi yubuso kandi burimo no gukuramo imitwaro iremereye kugirango igere ku makara. Buri buryo bugira ingaruka ku bidukikije no gutekereza ku biciro.
Bimaze gukurwa, mbisi amakara ikora gutunganya kugirango irusheho kuba nziza kandi ikwiranye na kokiya. Ibi mubisanzwe birimo kumenagura, gusuzuma, no gukaraba kugirango ukureho umwanda, nka shale na sulfure, byongera imiterere ya kokiya. Intambwe yihariye yo gutunganya biterwa nubwiza bwambere bwamakara nibisabwa ninganda zibyuma.
Byatunganijwe amakara itwarwa mu ruganda rukora ibyuma binyuze muburyo butandukanye, harimo gari ya moshi, umuhanda, na barge. Ubwikorezi bunoze ni ngombwa mu kugabanya ibiciro no kwemeza itangwa ry’inganda zikora ibyuma. Ubucuruzi bwisi yose bufite uruhare runini mugusaranganya amakara, hamwe nibihugu bikomeye bitanga ibicuruzwa byohereza mubihugu bitanga ibyuma kwisi yose.
Amakara ntabwo ari ibicuruzwa bimwe. Imiterere yacyo, cyane cyane ibirimo ibintu bihindagurika hamwe na cake yerekana, igena ibikwiranye nuburyo butandukanye bwo kunywa. Ubwiza bwo hejuru amakara muri rusange itegeka ibiciro biri hejuru.
| Andika | Ibintu bihindagurika (%) | Ironderero | Imikoreshereze isanzwe |
|---|---|---|---|
| Amakara yo hejuru cyane | > 30 | Hejuru | Kuvanga |
| Amakara yo hagati yo hagati | 18-30 | Hagati kugeza Hejuru | Umusaruro wa Coke Metallurgical |
| Amakara yo gutekesha make | <18 | Hasi kugeza Hagati | Kuvanga, Kongera imbaraga |
Icyitonderwa: Izi ni urwego rusange kandi ibintu byihariye birashobora gutandukana.
Uwiteka amakara inganda zihura n’ibibazo bikomeye by’ibidukikije, harimo ibyuka bihumanya ikirere, kwanduza amazi, no kwangirika kw’ubutaka. Imikorere irambye ningirakamaro kugirango igabanye izo ngaruka. Ibi bikubiyemo gushyira mu bikorwa amabwiriza akomeye y’ibidukikije, gushora imari mu ikoranabuhanga rifite isuku, no guteza imbere imicungire y’ubutaka ishinzwe.
Icyifuzo amakara ihujwe cyane n’umusaruro wibyuma kwisi. Mugihe hariho imbaraga zo guteza imbere ubundi buryo bwo gukora ibyuma, amakara ikomeje kuba ikintu cyingenzi mugihe cya vuba. Guhanga udushya mu bucukuzi bw'amabuye y'agaciro, tekinoroji yo gutunganya, no kwita ku bidukikije bizahindura ejo hazaza h’inganda zingenzi. Ibigo nka Imbere muri Mongoliya Xinxin Silicon Inganda Co, Ltd. bakomeje guharanira ibikorwa birambye.
Inkomoko yamakuru kuriyi ngingo izongerwaho hano nurangiza ubushakashatsi no kwandika.