Menene hanyoyin sake sarrafa robobin sharar gida?

Menene hanyoyin sake sarrafa robobin sharar gida?

Akwai hanyoyi guda uku na sake yin amfani da su: 1. Maganin bazuwar zafin jiki: Wannan hanyar ita ce zafi da lalata robobin da suka lalace zuwa mai ko iskar gas, ko amfani da su azaman makamashi ko sake amfani da hanyoyin sinadarai don raba su zuwa samfuran petrochemical don amfani.Tsarin bazuwar thermal shine: polymer depolymerizes a yanayin zafi mai yawa, kuma sarƙoƙi na ƙwayoyin cuta suna karye kuma suna bazu cikin ƙananan ƙwayoyin cuta da monomers.Tsarin rushewar thermal ya bambanta, kuma samfurin ƙarshe ya bambanta, wanda zai iya kasancewa a cikin nau'i na monomer, ƙananan nau'in nau'in kwayoyin halitta, ko cakuda hydrocarbons da yawa.Zaɓin aikin mai ko gasification ya kamata ya dogara ne akan ainihin bukatun.Hanyoyin da ake amfani da su sune: nau'in tanki mai narkewa (na PE, PP, PP bazuwar, PS, PVC, da dai sauransu), nau'in microwave (PE, PP, PP, PS, PVC, da dai sauransu), nau'in dunƙule (na PE, PP). , PS, PMMA).Nau'in evaporator na Tube (na PS, PMMA), nau'in gado na ebullating (na PP, PP bazuwar, PE mai alaƙa, PMMA, PS, PVC, da sauransu), nau'in bazuwar catalytic (na PE, PP, PS, PVC, da sauransu. ).Babban wahalar da ke tattare da ruɓar robobi a cikin zafin jiki shi ne, robobi ba su da ƙarancin zafin jiki, wanda ke sa masana'antu manyan bazuwar zafin rana da tsagewar zafi ke da wahala a aiwatar.Baya ga bazuwar zafin jiki, akwai wasu hanyoyin magance sinadarai, irin su tsattsauran zafin jiki, hydrolysis, alcoholysis, alkaline hydrolysis, da sauransu, wadanda za su iya dawo da albarkatun sinadarai iri-iri.

2. Narke sake yin amfani da wannan hanyar ita ce rarraba, murkushe, da tsabtace robobin datti, sa'an nan kuma a narkar da su zuwa kayan filastik.Don kayan sharar gida da ragowar kayan da aka samu daga masana'antar resin resin da masana'antar sarrafa filastik da masana'anta, ana iya amfani da wannan hanyar don samar da kayayyaki daban-daban masu inganci.Yana da wahala a ware da tsaftace tarkacen robobin da ake amfani da su a cikin al'umma, kuma farashin yana da yawa.Ana amfani da su gabaɗaya don yin samfura masu ƙazanta da ƙarancin ƙarewa.3. Sake amfani da haɗe-haɗe: Wannan hanyar ita ce a fasa robobin da ba su da amfani, kamar samfuran kumfa PS, kumfa PU, da sauransu zuwa guntu na ƙayyadaddun girman, sannan a haɗa su da sauran abubuwa, adhesives, da sauransu don yin alluna marasa nauyi da layin layi.