Chii chinonzi?
Polylactic acid, zvakare anozivikanwa sePlay (Polylactic acid), iri thermoplastic monomer inotorwa kubva kune yakagadziridzwa organic sources kana shuwa kana beetcane kana bheji prop.
Kunyangwe zvakadaro zvakafanana nepurasitiki apfuura, zvivakwa zvaro zvave zvinowanikwa zviwanikwa, zvichiita kuti ive imwe nzira yakasarudzika yekutsvaga mafuta.
Pla achiri kabhoni kusarerekera, inodiwa, uye biodegradable, zvinoreva kuti inogona kuora zvachose munzvimbo dzakakodzera panzvimbo dzekupaza microplastics.
Nekuda kwekugona kwayo kwekurasa, zvinowanzoshandiswa sechinhu chekuisa pane biodegradable mapurasitiki emapurasitiki, rusununguko, makapu, mahwendefa, uye netafura.
Dhepfeneti Mechanism yePla
Pla pasi pehusisiri kusvibiswa kusvibiswa kuburikidza nemakemuta matatu:
Hydrolysis: Mapoka esters ari muchirau huru akaputsika, zvichikonzera kuderera kwehuremu hwemanyorerwe.
Kuora kwemari: Chiitiko chakaomarara chinoguma nekuumbwa kwemakomputa akasiyana, senge manyorerwo emamorekuru, mutsara uye cyclic oligmers akasiyana-siyana manyoro, uye lactide.
Photodegradation: Ultraviolet radiation inogona kukonzera kusvibiswa. Ichi ndicho chinhu chikuru chinofumura poollectic acid kune mwenje wezuva mumapurasitiki, kurongedza midziyo, uye mafirimu ekushandisa.
Iyo hydrolyis reaction ndeye:
-Coo- + h 2 o → -cohi + -oh
Chiyero chinosvibisa chinononoka kwazvo kuAmerient tembiricha. Kudzidza 2017 kwakawana kuti Play haana kuwana chero kurasikirwa kwemhando mukati megore mumvura yegungwa pa12.
Ndedzipi nzvimbo dzekushandisa dzepla?
1. Zvinhu zvinotengesa
Pla inoshandiswa mune dzakasiyana siyana vatengi zvinhu, seyakagadziriswa tafura, supamaketi ekutenga mabhegi, kicheni yekuzvimiririra, pamwe nemashanga uye zvishandiso zvekushandisa.
2. Zvekurima
Pla inoshandiswa mune fiber fomu yeiyo fiber fiber fishing mitsara uye mambure ekuzvara uye masora ekudzora. Inoshandiswa kune sandbags, ruva hari, inosunga tambo, uye tambo.
3. Kurapa kurapwa
Playo inogona kusvibiswa mune isina kukuvadzwa acid acid, ichiita kuti iite kuti iite shandisa semidziyo yekurapa muchimiro chesimbers, screws, mahwendefa, matombo, netsvimbo.
Iyo ina dzinowanzoitika zvinogoneka
1. Kudzokorora:
Inogona kuve yemakemikari kudzokorora kana mechancal kudzokorora. MuBelgium, Galaxy yakatanga iyo yekutanga mutyairi mutyairi wekudzoreredzwa kwemakemikari. Kusiyana nemuchina kudzokororwa, marara anogona kunge aine akasiyana siyana. Polylactic acid inogona kudzoreredzwa semonomers kuburikidza neHollmal polymerization kana hydrolysis. Mushure mekunatswa, vanoonga vanogona kushandiswa kugadzira mbichana pasina kurasikirwa kwavo kwekutanga.
2. Kukwira:
Play inogona kuve biodaged pasi pemamiriro ekutenderera emisangano, kutanga kuburikidza nemakemikari hydrolysis, ipapo kuburikidza ne microbial kugaya, uye pakupedzisira kunonoka. Mumamiriro ekusamisikidza Composting mamiriro (58 ° C (136 ° F)), Plaging Chandinogona Kuverengeka (Inenge hafu) Mukati memazuva makumi matanhatu, zvichienderana neyakaderera zvishoma, zvichienderana nekwenya yezvinhu. Munzvimbo ine mamiriro ezvinhu akakosha, kuora kuchave kunononoka, kwakafanana nekwaBiological mapurasitiki, izvo zvisingadzoreke zvachose mazana kana zviuru zvemakore.
3. Kupfuta:
Playo inogona kuve yakamiswa pasina kuburitsa chlorine ine makemikari kana simbi dzinorema, sezvo ichingova necarbon, oksijeni, uye hydrogen maatomu. Kupfuta play pla ichaburitsa 19.5 mj / kg (8368 btu / lb) yesimba isina kusiya chero yakasara. Izvi zvinoitika, pamwe nezvimwe zvakawanikwa, zvinoratidza kuti kukwikwidza iko kwenzvimbo ine hushamwari hwenzvimbo yekurapa marara polylactic acid.
4. Landfill:
Kunyangwe play pinda marara, ndiyo sarudzo yemamiriro ezvinhu ane hushamwari nekuti iyo inosvibisa zvishoma nezvishoma pane tembiricha tembiricha, kazhinji zvishoma nezvishoma sevamwe vasingafadzi mapurasitiki.
Kutumira Nguva: Nov-20-2024