Minisiteri y’ubudandaji iherutse gutangaza ko kuva kw’igenekerezo rya 29 Kigarama 2018, ibikorwa vyo kurwanya ugutera ivyatsi vyashizweho ku n-butanol yavuye mu gihugu ca Taiwan, muri Maleziya na Leta Zunze Ubumwe za Amerika .
Muri vyo, igipimo c’ikori co kurwanya ugutera imbere ku nganda za Taiwan Co{1}}, Ltd. muri Taiwan ni 6%, ayandi mashirahamwe ya Taiwan ni 56{9}}1%; igipimo c’ikori ry’abarwanya ugutera imbere kw’ishirahamwe rya Amerika ni 52.2%, Eastman Chemical Company, Dao Chemical shimi Ishirahamwe, BASF, n’ayandi mashirahamwe yo muri Amerika afise igipimo c’imisoro c’ibice 139{13}}3%; igipimo c’ikori ry’imiti irwanya ugutera imbere kw’ishirahamwe ry’ivy’ubuhinga bwa none ry’i Maleziya/Isoko ry’Ivy’Imibare (Nayong) Co., Ltd. ni 12,7%, igipimo c’amavuta y’igihugu ca Malaysia ca BASF, Ou Igipimo c’ikori ry’ishirahamwe ry’imiti ry’i Berdymo n’ayandi mashirahamwe yo muri Maleziya ni 26,7%.
Ku wa 29 Kigarama 2017, Minisiteri y’ubudandaji yafashe ingingo yo gukora itohoza ry’ukurwanya ugutera imbere ku n-butanol yavuye mu gihugu ca Taiwan, Maleziya na Leta Zunze Ubumwe za Amerika .
N-bubutanol ni ikintu gihambaye c’ibinyabuzima, gikoreshwa cane mu guhingura bult acrylate, bul acetate, phthalate ya dibutyl, buylamine, ethylal monobul mother n’ibindi bikoresho vyo hasi, bikoreshwa cane mu bipfukisho, ibikoresho vy’impuzu n’ibindi bibanza vy’amazi. ikintu co kwongerako ku marangi ya alkyd, kandi gikoreshwa no mu guhingura ibikoresho vy'amazi.
Mu myaka iheze, inganda zikora ibikoresho vyo mu rugo zateye imbere cane, kandi amashirahamwe y’ibikoresho vya mbere na yo nyene yarakuze . Na vyo nyene birashobora gutanga no gutegura ibintu bitandukanye vy’agaciro kanini. Ariko rero, ugutegura ibintu biva mu nzira y’ubuhinga bwa none bifise agaciro kanini kandi ibintu vyinshi vy’ubuhinga biracariho mu mahanga.