Kuki gutwikira Dacromet bidashobora gushyirwa mubushyuhe bwo hejuru?

Byoherejwe 2019-03-11Ibikoresho bya Dacromet bigira uruhare runini mu nganda zigezweho.Ipasi ya Dacromet nayo irasanzwe cyane mubikorwa, ariko Dacromet ntishobora kubikwa mubushyuhe bwinshi.Kubera iki?Impamvu nuko hariho urukurikirane rwibyiza muburyo bwa tekinoroji ya Dacromet isahani gakondo idashobora guhura, ihita isunikwa kumasoko mpuzamahanga.Nyuma yimyaka irenga 20 yiterambere ryiterambere no gutera imbere, tekinoroji ya Dacromet ubu yashyizeho uburyo bwuzuye bwo kuvura hejuru, bukoreshwa cyane mukurwanya ruswa yibice byibyuma.Iyi sosiyete yashinze Nippon.Darro.shamrock (NDS) mu 1973 hamwe n’Ubuyapani Oil & Fats Co., Ltd., inashinga DACKAL mu Burayi n’Ubufaransa mu 1976. Bagabanije isoko ry’isi mu masoko ane akomeye: Aziya ya pasifika, Uburayi, Afurika na Amerika.Ashinzwe akarere kamwe kandi agashaka inyungu rusange kurwego rwisi.Kuberako ubwo bushyuhe buri hejuru, birashoboka cyane ko gusaza kwamazi yatwikiriye, ubushyuhe bwo kubika amazi ya Dacromet yatwikiriye neza bugenzurwa munsi ya 10 ° C.Muri icyo gihe, munsi yizuba ryizuba, isukari yamazi iroroshye gukora polymerize, metamorphose, ndetse ikanakurwaho, nibyiza rero kuyigumisha ahantu hakonje.Igihe cyo kubika amazi ya Dacromet yo gutwikira ntabwo ari maremare cyane, kubera ko igihe kinini amazi yabitswe yabitswe, niko agaciro ka pH niko kazamuka, ibyo bikaba bizatera amazi yo gutwika gusaza no gutabwa.Ubushakashatsi bumwe bwerekanye ko imyanda nyuma yo gutegura Dacromet idafite chromium, amazi afite agaciro muminsi 30 kuri 20 ° C, iminsi 12 kuri 30 ° C, niminsi 5 gusa kuri 40 ° C.Kubwibyo, amavuta ya Dacromet agomba kuba ahari mugihe cy'ubushyuhe buke, cyangwa ubushyuhe bwo hejuru buzatera amavuta yo kwisiga gusaza.