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Ibyago n'imiyoborere ya Dioxine
1.Inkomoko ya dioxyyine
Dioxine nizina rusange ryicyiciro cya chlorine polynuclear aromatic compound, mu magambo ahinnye nka PCDD / Fs. Ahanini harimo polychlorine dibenzo-p-dioxine (pCDDs), dibenzofurans (PCDFs) ya polychlorine (PCDFs), nibindi. Iyo plastiki, impapuro, ibiti nibindi bikoresho bitwitswe, bizacika kandi bihindurwe mu gihe cy'ubushyuhe bwinshi, bityo bitange dioxyyine. Ibintu bigira ingaruka zirimo imyanda, kuzenguruka ikirere, ubushyuhe bwaka, nibindi. Ubushakashatsi bwerekana ko ubushyuhe bwiza bwo kubyara dioxyyine ari 500-800 ° C, bikozwe kubera gutwika imyanda ituzuye. Byongeye kandi, mugihe cyubushyuhe bwo hasi, munsi ya catalizike yibyuma byinzibacyuho, dioxine preursors hamwe nibintu bito bya molekile birashobora guhuzwa binyuze mubushyuhe buke nkana. Nyamara, mugihe cya ogisijeni ihagije, ubushyuhe bwo gutwika bugera kuri 800-1100 ° C birashobora kwirinda neza dioxyde.
2.Akaga ka dioxyde
Nkibicuruzwa biva mu gutwika, dioxyyine ihangayikishijwe cyane nuburozi bwabo, gutsimbarara hamwe na bioaccumulation. Dioxyyine igira ingaruka ku mikorere ya hormone zabantu nibintu byumvikana neza, ni kanseri nyinshi, kandi byangiza ubudahangarwa bw'umubiri. Uburozi bwabwo buhwanye ninshuro 1.000 za potasiyumu cyanide ninshuro 900 za arsenic. Yashyizwe ku rutonde rwa kanseri yo mu rwego rwa mbere kandi ni kimwe mu cyiciro cya mbere cy’imyanda ihumanya ikirere hashingiwe ku masezerano y'i Stockholm yerekeye umwanda uhoraho.
3.Ingamba zo kugabanya dioxyyine muri sisitemu yo gutwika gaz
Imyuka ya gazi yoherejwe na sisitemu yo gutwika gaz yakozwe na HYHH yujuje ubuziranenge bwa 2010-75-EU hamwe n’Ubushinwa GB18485. Impuzandengo yapimwe ni ≤0.1ng TEQ / m3, bigabanya umwanda wa kabiri mugihe cyo gutwika imyanda. Gutwika Gazification ikoresha gazi + yo gutwika kugirango harebwe niba ubushyuhe bwo gutwika mu itanura buri hejuru ya 850-1100 ° C kandi igihe cyo gutura gaze ni amasegonda 2, bigabanya umusaruro wa dioxyde ikomoka. Igice cya gazi yubushyuhe bwo hejuru ikoresha umunara uzimya kugirango igabanye vuba ubushyuhe bwa gaze ya flue kugeza munsi ya 200 ° C kugirango birinde umusaruro wa kabiri wa dioxyyine mubushyuhe buke. Hanyuma, ibipimo byangiza imyuka ya dioxyyine bizagerwaho.
