Ekwenziweni kwebhodi lesekethe eliphrintiwe (PCB), ukunemba nokuqina kubalulekile. Isici esibalulekile senqubo ukugxivizwa kwe-PCB, futhi ukukhethwa kwempahla yezingxenye ezinesitembu kungaba nomthelela omkhulu kwikhwalithi nokusebenza kahle kokukhiqiza. Izinto ezimbili ezivamile ezisetshenziswa kulo mongo i-granite nensimbi, ngayinye inezinzuzo zayo kanye nokubi.
Izingxenye ze-Granite zaziwa ngokuzinza kwazo okukhethekile nokuqina. Ukuminyana kwetshe lemvelo kunikeza isisekelo esiqinile esinciphisa ukudlidliza phakathi nenqubo yokugxiviza, ngaleyo ndlela kukhuphule ukunemba nokunciphisa ukuguga kumathuluzi okugxiviza. Lokhu kuzinza kunenzuzo ikakhulukazi kuzinhlelo zokusebenza zejubane eliphezulu, lapho ngisho nokunyakaza okuncane kungabangela ukungahambi kahle kanye nokukhubazeka. Ngaphezu kwalokho, i-granite imelana nokwanda kokushisa, iqinisekisa ukusebenza okungaguquguquki emazingeni okushisa ahlukene, okubalulekile ezindaweni lapho ukukhiqizwa kokushisa kuwukukhathazeka.
Izingxenye zensimbi, ngakolunye uhlangothi, zikhethwa ngamandla azo kanye nokuqina. Izingxenye zensimbi mancane amathuba okuba zicwebe kune-granite, okuzenza zibe ukukhetha okuthembekile ekukhiqizeni ivolumu ephezulu. Ukwengeza, izingxenye zensimbi zingenziwa kalula ngomshini futhi zenziwe ngendlela oyifisayo ukuze zihlangabezane nezidingo ezithile, zinikeze ukuguquguquka kokuklama i-granite engakwazi ukufana nayo. Kodwa-ke, izingxenye zensimbi zijwayele ukugqwala nokugqwala, okungaba yingozi enkulu ezindaweni ezinomswakama noma ezidla amakhemikhali.
Uma uqhathanisa ukusebenza kwegwadle nensimbi yezicelo zokugxiviza ze-PCB, isinqumo sokugcina sincike ezidingweni ezithile zenqubo yokukhiqiza. Ngemisebenzi lapho ukunemba nokuzinza kubaluleke kakhulu, i-granite ingase ibe inketho engcono kakhulu. Ngokuphambene, kuleyo misebenzi edinga ukuqina nokuvumelana nezimo, insimbi ingase ibe nenzuzo enkulu. Ukuqonda izici eziyingqayizivele zento ngayinye kubalulekile kubakhiqizi abahlose ukuthuthukisa izinqubo zabo zokukhiqiza ze-PCB.
Isikhathi sokuthumela: Jan-14-2025