Pavanenge vachifunga nezvesarudzo dzekurongedza chikafu kuti chiendeswe kana kuti chiendeswe, mabhizinesi anoongorora kuti chikafu chinoramba chiri chitsva sei mumudziyo. Panguva iyi, vanotadza kutsvaga sarudzo dziripo uye vanofuratira nyaya yekuti chikafu chirambe chiripo. Kazhinji, kune sarudzo mbiri dzemabhizinesi ezvekudya: mabhokisi emapepa uye kurongedza kwepurasitiki. Zvakakosha kusarudza sarudzo inopa mutengo wakaderera, kusiyana-siyana, mhando, uye dhizaini isingakuvadzi nharaunda.
Sekureva kweUS Environmental Protection Agency (EPA), magaba nemapakeji anotora anopfuura 28% yemarara ese emunicipal solid waste (MSW) muUnited States chete. Mapakeji ezvekudya nezvinwiwa anoita anenge 50% yemarara ese ekurongedza, sekureva kweFrontiers in Food Science and Technology. Saka, kurongedza zvinhu zvekutora nekutumira chikafu chinhu chinonetsa zvikuru sezvo marara mazhinji aya anozoguma apinda mumadhaka emugungwa, izvo zvine mhedzisiro huru pahupenyu hwemugungwa, zvichikonzera kuburitswa kwecarbon, kushandiswa kwezviwanikwa, uye kusvibiswa.
Nekuda kwematambudziko aya, mabhizinesi ari kuzvibatanidza nezvinangwa zvisingakuvadzi nharaunda pasina kukanganisa mashandiro ezvekudya zvinopisa kana zvine mafuta. Vatengi nemaresitorendi vari kutarisira kurongedza kunochengetedza nguva izvo zvinosanganisira zvinhu zvakakosha zvakaita sekuora kwezvipenyu, kugona kudzokorodza, uye kushandisa simba zvakanaka. Saka, kungave uri bhizinesi kana muridzi weresitorendi, uye uri kutarisira kushandura bhizinesi rako kuenda pakurongedza kwakasimba ukuwo uchichengetedza chikafu chiri chitsva, chinyorwa chino chinoenzanisa uye chinosimbisa zvakanakira nezvakaipa zvemarudzi maviri aya kuti chikubatsire kugadzirisa bhizinesi rako kuti rive rakanaka kune nharaunda pasina kukanganisa mhando yechikafu.
Muchikamu chino chechinyorwa, tichakurukura nezve kukanganiswa kwepurasitiki nezvakatipoteredza uye kuti ndezvipi zvinokonzera kukanganiswa kwayo nekabhoni yakawanda, kubva pakutorwa kwemafuta ekare kusvika pakugara kwayo kwenguva refu mumakungwa edu.
Kune matambudziko akawanda ezvakatipoteredza ane chekuita nekurongedza kwepurasitiki, uye pakati pematambudziko iwayo ndeekuti kugadzira kurongedza kwepurasitiki kunoda kugadzira mapolymers akaita se polyethylene kana PET, ayo anonyanya kuvimba nezvinhu zvisingadzokororwe. Maitiro ekugadzira ane simba rakawanda rine chekuita neindasitiri ye petrochemical:
Chimwe chezvinetso zvikuru nepurasitiki ndechekugara kwenguva refu kwayo. Mapurasitiki asingaori anogona kuora anoora kuita zvidimbu zvidiki zvinonzi microplastics zvinogona kugara kwemakore mazana mana kusvika anopfuura chiuru. Izvi zvinoita kuti zvidimbu izvi zvigume zvarara kana mumakungwa, zvichikonzera njodzi yemarudzi akasiyana-siyana nehupenyu hwemugungwa, izvo zvinozopedzisira zvava chikamu chezvekudya.
Masayendisiti nevaongorori vari kushanda nguva dzose pakushandisa mapurasitiki zvakare, asi huwandu hwemapurasitiki akadzokororwa huchiri pasi. Pazasi pane mamwe emashoko nenhamba dzekushandiswa kwepurasitiki mukugadzira dambudziko rekugadzirisa marara.
Kurongedza mapepa kunowanzoonekwa senzira yekuchengetedza zvinhu zvinotengeswa kana zvatumirwa. Muchikamu chino chechinyorwa, tichaongorora zvinoita kuti zvive nzira yekuchengetedza zvinhu zvinotengeswa uye matambudziko azvo.
Zvinhu zvekugadzira mapepa zvinowanzobva kuzvinhu zvipenyu, zvakaita sehuni, mushenjere, kana masaga. Sezvo miti nezvirimwa zvichikura nekunwa CO2, izvi zvinoderedza kuburitswa kwemhepo kana zvinhu zvakabikwa zvikatorwa kubva kumasangano anochengetedza zvitupa seFSC (Forest Stewardship Council). Vagadziri vanowanzo sarudza kushandisa mushenjere pakurongedza mapepa sezvo uchikura nekukurumidza mumwedzi mitanhatu kusvika misere uye mwero wekupinza kabhoni wavo unokurumidza kana tichienzanisa nematanda echinyakare.
Chimwe chezvakanakira zvikuru kurongedza mapepa kupfuura kurongedza kwepurasitiki ndechekuti nguva yekuora kwayo ipfupi, uye mwero wekudzokorodza mapepa wakakwira. Pepa rinogona kuora mumavhiki, uye pasi rose, mwero wekudzokorodza mapepa wakakwira zvikuru, neUS ichisvika padanho reinenge 68%, sekureva kweAmerican Forest & Paper Association. Zvimwe zvezvakanakira zvinosanganisira:
Chimwe chezvinhu zvikuru zvinotadzisa kugadzirwa kwepepa ndechekuti maitiro aya echinyakare anoda mvura yakawanda. Kana tichienzanisa nekugadzirwa kwepurasitiki, kugadzira bepa kunoda mvura yakapetwa ka4 pane inogadzirwa kuti igadzire mapurasitiki. Zvisinei, nekuvandudzwa kwetekinoroji, masayendisiti nevaongorori vari kushanda nguva dzose kuderedza kushandiswa kwemvura pakugadzira bepa. Kuvandudzwa kwakadaro kunosanganisira kushandiswa kwefiber yakaumbwa, iyo inoshandisa marara ekurima kuderedza kuparadzwa kwemasango nekushandiswa kwemvura. Uyezve, makambani ekugadzira bepa ikozvino ari kudzokorora mvura, izvo zvakakonzera kudzikira kwekushandiswa kwemvura yakachena.
Muchikamu chino chechinyorwa, tichaenzanisa zvinhu zviri patafura pakati pemapepa ekurongedza nemapurasitiki kuti tiwane mhedziso yekuti ndeipi nzira yekurongedza yakanakisisa pakuchengetedza chikafu chitsva uye chine hutano ukuwo chichigara kwenguva refu.
Zvinhu zvirimo | Kurongedza Bepa | Kurongedza kwepurasitiki |
Kugona Kupisa Kwepasi Rose | Yakaderera. Inovandudzwa; ~143% kushandiswa kwemafuta efossil kwakaderera. | Yakakwirira. Yakavakirwa pamafuta ezvisaririra; ~6kg CO2/kg. |
Mwero wekudzokorodza | Yakakwira (68-85%). Fiber dzinogona kushandiswazve ka5-7. | Yakaderera (9-30%). Yakaoma kupatsanura/kuchenesa. |
Kuora kwezvinhu zvipenyu | Yakakwira. Inoora mumavhiki/mwedzi. | Hapana. Chinoramba chiripo kwemakore anopfuura mazana mana. |
Kugumburwa kweGungwa | Zvishoma. Zvinoparara zvega. | Zvakanyanya. Kusvibiswa kwe microplastic. |
Utsi Hunobva Mumotokari | Yakakwira. Huremu hwakanyanya hunowedzera kushandiswa kwemafuta. | Yakaderera. Chinhu chakareruka chinochengetedza mafuta. |
Kuchengetedzeka Kwehutano | Yakakwirira. Hapana kucheneswa kwepurasitiki. | Kupisa kunoburitsa chepfu/microplastics. |
Pane equation kana fomura inozivikanwa se equation yemhedzisiro yese inoshandiswa pakuverenga footprint yekabhoni yekugadzira chigadzirwa. Equation iyi inogona kushandiswa pakuverenga footprint yekabhoni yekugadzira mapurasitiki nemapepa, izvo zvinogona kutibatsira pakuenzanisa kwedu kutibatsira kuona kuti ndeipi sarudzo inogara kwenguva refu.
Kugadzira 1kg yepurasitiki kunogadzira inenge 6kg yezvinosvibisa (emission factor). Iyi i1:6 ratio. Saka, kuti pagadzirwe 1 kg yepurasitiki yekurongedza, zvinosvibisa zvinogadzirwa zvinopetwa ka6 kupfuura huremu hwepurasitiki, zvichiita kuti purasitiki idhure kana tichitarisa zvinosvibisa. Kugadzira 1kg yepepa kunogadzira inenge 0.5kg (emission factor) yezvinosvibisa zvakaita seCO2 . Izvi zvakaderera zvakanyanya pane purasitiki kana paine huremu hwakafanana hwezvinhu.
Mari yekurasa yataurwa muequation inoratidza mhedzisiro inogadzirwa nepurasitiki kana bepa mushure mekunge raraswa. Mari yekurasa bepa yakaderera zvikuru nekuti rinogona kuora nyore nyore kana kudzokororwa. Kune rumwe rutivi, purasitiki inogona kugara mumadhaka kana mumakungwa kwemazana emakore, kana kuti kana yapiswa ichiburitsa huwandu hwakawanda hwezvinhu zvinosvibisa, zvichikonzera mitengo yakawanda yekurasa.
Kutakura mapurasitiki kunobatsira zvishoma pakuburitsa mweya unobva mumhepo unobva mumhepo unobva mumhepo uchibva mumhepo uchienda mumhepo uchienzaniswa nepepa. Mubhokisi rine saizi yakafanana, mapurasitiki akawanda anogona kuiswa, nepo bepa rinowanzova rakakura uye rinorema, izvo zvinoita kuti pave nemayuniti mashoma anokwana mubhokisi rimwe chete. Semuenzaniso, uchishandisa purasitiki, ungangoda 10g yepurasitiki chete kuti uchengete sandwich, nepo ungangoda 30g yepepa. Zvisinei, izvi zvinonetsa nekuti kana uchishandisa bepa rakapetwa katatu kupfuura repurasitiki, kuburitsa mweya unobva mumhepo kuchiri kwakaderera. Pamusoro pezvose, Emission Factor yepepa yakaderera zvikuru.
Mumapakeji echikafu, kugara kwenguva refu hakusi iko chete kunokosha. Kushanda zvakanaka kwakakosha sekugara kwenguva refu, nekuti kana chikafu chikaramba chiri chitsva panguva yerwendo rwakaoma kubva kukicheni kuenda kusuo, chinoonekwa sechinogamuchirwa. Muchikamu chino chechinyorwa, tichaongorora kuti chinhu chimwe nechimwe chichachengetedza sei kupisa, kudzivirira kubuda kwemvura, uye kutsungirira kubata kuti mutengi awane chikafu chemhando yepamusoro.
Panyaya yekugara kwenguva refu, purasitiki yagara iri nani pane pepa. Asi nekufambira mberi kwetekinoroji, kurongedza pepa kuri kufambira mberi, zvichiratidza kugadzirwa kwepamusoro-soro kunoenderana nekushanda kwepurasitiki:
Kana tichienzanisa nepurasitiki, kurongedza mapepa kunopa sarudzo dzepamusoro dzekugadzirisa dzakanakira kushambadza uye mashandiro ayo anovandudza ruzivo rwemushandisi. Zvinhu zvikuru zvinosanganisira:
Kuti mabhizinesi kana maresitorendi abudirire, havangodi chete kurongedza kwakasimba, asiwo kurongedza kwakachipa. Heano mamwe emabasa anoita kuti kurongedza mapepa kuve kwakachipa kune mabhizinesi:
Muchikamu chino chechinyorwa, tichaongorora kuti ndeipi sarudzo yekurongedza pakati pepurasitiki nepepa inosarudzwa nemutengi uye tichapindura chikonzero nei ichibatsira kuti usarudze zvakanaka bhizinesi rako.
Nekuda kweinternet, vatengi vava kuziva zviri nani nezvemigumisiro yekushandiswa kwepakeji isingagari kwenguva refu. Vatengi vava kuda kubhadhara mari yakawanda kuti vave nechokwadi chekuti vanowana pakeji yechikafu chinotorwa chisina zvakatipoteredza, izvo zvinoratidzwa zvakajeka nemafambiro ari kuita:
Nekuda kwemigumisiro yakaipa yekushandisa mapakeji asingagari kwenguva refu pazvakatipoteredza, hurumende dziri kuisa mitemo yakaita seEU's Packaging and Packaging Waste Regulation (PPWR), iyo inonyanya kufarira mapepa anogona kushandiswazve. Panguva imwe chete, makambani ari kushandisa michina yekucheka mbatya nemapepa kuti vasangane nezvinangwa zveESG. Mabasa matsva ekutumira zvinhu ari kutoedza mapepa ekushandisa anogona kushandiswazve nekudzikiswa kwemitengo.
Mhedziso yakawanikwa kubva muzvikamu zviri pamusoro apa ndeyekuti kurongedza mapepa ndiyo sarudzo yakanakisa iripo yekurongedza zvinogara kwenguva refu. Asi mubvunzo unoramba uripo ndewekuti: Kurongedza mapepa zvinogara kwenguva refu here? Kana mhinduro iri kwete, saka nei, uye ndezvipi zviri kugadziriswa kuti pave nekurongedza chikafu chinotora chikafu chisina zvakatipoteredza? Muchikamu chino chechinyorwa, tichapindura mibvunzo yako kuti tikubatsire kusarudza zvakanaka bhizinesi rako.
Chimwe chezvinhu zvikuru zvinokanganisa mabhokisi emapepa ndechekuti haakwanise kubatwa nehunyoro. Chimwe chezvinhu zvinogadzirisa dambudziko rehunyoro kushandisa purasitiki yakatetepa, asi izvozvo zvinoita kuti pepa risakwanise kudzokororwa. Kuti rigadziriswe, sainzi yakauya nemhinduro umo Aqueous Dispersion Coating inopfapfaidzwa papepa, iyo inooma, zvichiita chipingamupinyi chakatetepa, chisingaoneki chinomisa mvura nemafuta kuti zvisanyure mukati. Kuti iwedzere kuramba hunyoro, Enhanced Fiber Bonding inoshandiswa, ichiwedzera simba remvura pakudya kwakawanda.
Kudzokorodza mapepa akafukidzwa kunowanzova kwakaoma kudzokorodza, asi nekufambira mberi kwesainzi netekinoroji, zvave kugoneka kusvika pamwero wakati:
Chinhu chega chiri kumisa bepa kuti risanzi mushonga wekurongedza unochengetedza nguva dzose ndechekuti rinoda kutemwa kwemiti, uye maitiro ekugadzira bepa anoda mvura yakawanda. Masayendisiti nevaongorori ikozvino vauya nemhinduro yekushandisa zvasara zvekurima zvakaita sehuswa hwegorosi nezvimwe zvasara zvezvirimwa kuderedza kudiwa kwehuni dzisina kuchena dzekugadzira bepa. Uyezve, masayendisiti akagadzira nzira dzekudzokorodza shinda dzezvirimwa izvi vachishandisa michina panzvimbo pemvura. Nekuwedzera hunyanzvi muhunyanzvi uhu, tinogona kukunda matambudziko aya kana tichienzanisa nepurasitiki.
Pakupedzisira, sarudzo yacho yakajeka: kana uchida kuenda pakurongedza zvinhu zvinochengetedza nharaunda, parizvino, bepa ndiro rinochengetedza nharaunda zvakanyanya raunogona kuwana rekutakura chikafu kana kutenga zvinhu zvinotora nguva. Bepa iri rinopa mabhizinesi zvakanakisa: kuchengetedza nharaunda uye kuramba mafuta nehunyoro. Kunyangwe purasitiki ichionekwa seyakasimba, kusvibiswa kwainokonzera kwenguva refu munharaunda hakugone kufuratirwa. Saka kana uri bhizinesi kana muridzi weresitorendi, sarudza mapepa anogona kushandiswazve, anogona kuora kuti uve nechokwadi chekuti unosangana nezvinodiwa nevatengi uye kuderedza kukanganisa kwako nharaunda.
Kuti uwane mhinduro dzemhando yepamusoro uye dzisingakuvadzi nharaunda dziri mumabhokisi, ndiro, zvimedu zvemidziyo, matireyi, nemabhegi, tsvaga mhando dzakasiyana dzemapepa anogadziriswa neUchampak kuti usimudzire tsika dzako dzekuchengetedza nharaunda nhasi. Shanyira ku Uchampak shanyira webhusaiti kuti udzidze zvakawanda.
Basa redu nderekuve bhizinesi remakore zana negumi nenhoroondo refu. Isu tinotenda kuti Uchampak ichave yako yakanyanya kuvimbika kutevedzera kurongedza-chikamu.