Njengamandla abalulekile ekukhuthazeni ukukhula komnotho, imboni yezogesi ithuthuke ngezinga elidonsa amehlo. Kodwa-ke, njengoba ukuqwashisa kwabantu ngokuvikelwa kwemvelo kuqhubeka kwanda, ukukhiqizwa kwamabhodi esekethe aphrintiwe (PCBs), okuyisixhumanisi esibalulekile embonini ye-electronics, nakho kubhekene nezinselele. Izimfuneko eziphakeme zemvelo. Abakhiqizi be-PCB abangenawo umthofu emvelweni kancane kancane baba abaholi bezimboni futhi benza iminikelo ebalulekile ekuthuthukisweni okusimeme kwemboni yezogesi.
一、Ukubaluleka kwama-PCB angenamthofu
Ama-PCB endabuko aqukethe umthofu azokhipha izinto eziyingozi ezinjengomthofu phakathi nokukhiqizwa nokusetshenziswa, okubeka izinsongo ezinkulu endaweni ezungezile nempilo yabantu. Umthofu ungangena ku-ecosystem ngokusebenzisa umkhathi, amanzi nomhlabathi, unqwabelane ezintweni eziphilayo, futhi uthinte ibhalansi yemvelo. Ngesikhathi esifanayo, ukuchayeka isikhathi eside ezintweni eziqukethe umthofu kungase futhi kubangele izifo ohlelweni lwezinzwa lomuntu, isimiso segazi nezinye izici. Ngakho-ke, ukuphromotha i-PCB engenamthofu sekuyinketho engenakugwemeka embonini yezogesi ukuze izuze intuthuko eluhlaza.
二、Izinzuzo zabakhiqizi be-PCB abangaholeli imvelo
Ukuqamba okusha kwezobuchwepheshe
Abakhiqizi be-PCB abangenawo umthofu endaweni engokwemvelo bazibophezele ekwenziweni okusha kwezobuchwepheshe futhi njalo bathuthukisa izinqubo ezintsha zokukhiqiza nezinto zokwakha ukuze baqinisekise ikhwalithi nokusebenza komkhiqizo. Ngokusebenzisa ubuchwepheshe obuthuthukisiwe bokusoda obungenamthofu, izinto ezivikela imvelo, kanye nezinhlelo eziqinile zokulawula ikhwalithi, laba bakhiqizi bayakwazi ukukhiqiza ama-PCB ekhwalithi ephezulu ahlangabezana nezindinganiso zomhlaba jikelele zemvelo.
Ukuqwashisa ngemvelo
Njengabagqugquzeli bokuvikelwa kwemvelo, abakhiqizi be-PCB abangenamthofu bahlanganisa imiqondo yokuvikela imvelo kuyo yonke inqubo yokukhiqiza. Kusukela ekukhethweni kwezinto ezingavuthiwe kuya ekusetshenzisweni kahle kwezinqubo zokukhiqiza kuya ekulahleni imfucuza, izidingo zokuvikelwa kwemvelo zilandelwa ngokuqinile. Bakhuthaza ngenkuthalo izindlela zokukhiqiza eziluhlaza, banciphise ukusetshenziswa kwamandla kanye nesisi esingcolisayo, futhi bafake isandla ekuvikelweni kwemvelo.
Ukuqinisekisa ikhwalithi
Abakhiqizi be-PCB abangenawo umthofu endaweni engokwemvelo bavame ukuba nezinhlelo eziqinile zokulawula ikhwalithi ukuze baqinisekise ikhwalithi yomkhiqizo ezinzile nethembekile. Basebenzisa imishini yokuhlola ethuthukisiwe kanye nabasebenzi abahlola ikhwalithi abaqeqeshiwe ukwenza ukuhlolwa okuqinile ku-PCB ngayinye ukuze baqinisekise ukuthi imikhiqizo ihlangabezana nezindinganiso zamazwe ngamazwe kanye nezidingo zamakhasimende.
Izinzuzo zesevisi
Ukuze kuhlangatshezwane nezidingo zamakhasimende, abakhiqizi be-PCB abangenawo umthofu endaweni ezungezile bavame ukuhlinzeka ngohlu olugcwele lwezinsizakalo. Abakwazi nje ukwenza ngokwezifiso ama-PCB okucaciswa okuhlukahlukene ngokwezidingo zamakhasimende, bangaphinde banikeze ukwesekwa kwezobuchwepheshe kanye nesevisi yangemuva kokuthengisa ukuze basize amakhasimende axazulule izinkinga abahlangabezane nazo ngesikhathi sokusetshenziswa.
三、Amathemba okuthuthukiswa kwabakhiqizi be-PCB abangaholeli imvelo
Ngokuzayo, ukugcizelelwa komhlaba wonke ekuvikelweni kwemvelo kuzoqhubeka nokukhula, okuzophinde kubangele ukuthi isidingo semakethe sama-PCB angenawo umthofu siqhubeke nokukhula. Abakhiqizi be-PCB abangenawo umthofi bemvelo bangangenisa indawo ebanzi yokuthuthuka. Ngesikhathi esifanayo, izophinde ikhuthaze abakhiqizi ukuthi baqhubeke nokwandisa ukusungulwa kwezobuchwepheshe, ukuthuthukisa ikhwalithi nokusebenza komkhiqizo, futhi ngesikhathi esifanayo bakhulise imakethe ngenkuthalo ukuze banikeze amakhasimende amaningi ngemikhiqizo ye-PCB engenamthofu yekhwalithi ephezulu ehambisana nemvelo.
Njengengqalabutho eluhlaza embonini yezogesi, abakhiqizi be-PCB abangenawo umthofu endaweni ezungezile bahola imboni yezogesi baye ekusaseni eliluhlaza nelisimeme ngokwengeziwe ngokusungula kwabo ubuchwepheshe, ukuqwashisa ngemvelo, ukuqinisekiswa kwekhwalithi kanye nezinzuzo zesevisi. Ngemizamo yabo, imboni ye-elekthronikhi izozuza intuthuko ephumelelayo ngenkathi ivikela imvelo.