Solvent recycling yog cov txheej txheem uas tuaj yeem txuag cov lag luam nyiaj txiag, txo cov khib nyiab thiab pab lawv ua kom ruaj khov. Tab sis hom tshuaj hnyav twg yog qhov zoo tshaj rau cov txheej txheem no? Nyeem rau kom paub ntau ntxiv txog hom kuab tshuaj uas tuaj yeem rov qab tau hauv cov tshuab hnyav rov qab.
Hom hnyav tshaj plaws uas tuaj yeem rov qab tau nrog cov kuab tshuaj rov qab yog cov ntxhia olein. Cov roj ntxhia yog muab los ntawm cov khoom siv roj av thiab tau siv dav hauv kev lag luam thiab kev lag luam. Lawv kuj feem ntau siv rau hauv painting, luam ntawv, thiab lwm yam ntaub ntawv kos duab. Ntxiv nrog rau qhov yooj yim rau kev rov ua dua tshiab, cov ntxhia cov ntsiab lus muaj lub siab flash point, tsis tshua muaj viscosity, thiab tsis muaj ntxhiab tsw, ua rau nws zoo tagnrho rau ntau daim ntawv thov.
Cawv yog lwm cov kuab tshuaj uas tuaj yeem rov qab tau hauv cov kuab tshuaj rov qab. Cawv xws li methanol thiab ethanol feem ntau yog siv los ua cov tshuaj ntxuav lossis degreasers hauv cov tshuab ua haujlwm lossis cov khoom siv. Cov kuab tshuaj no evaporate sai sai thiab tsis muaj qhov seem, ua rau lawv zoo tagnrho rau kev tu cov haujlwm uas yuav tsum tau muaj me me lossis tsis muaj residue. Ethanol kuj qee zaum siv los ua cov tshuaj tiv thaiv antioxidant hauv cov xim thiab txheej, uas ua rau nws yog ib tus neeg sib tw zoo tshaj plaws rau cov kuab tshuaj rov qab.
Ketones yog lwm cov kuab tshuaj uas tuaj yeem rov qab tau siv cov khoom hnyav rov qab. Ketones xws li acetone thiab butanone (MEK) muaj qhov kub siab kub thiab qhov chaw khov qis, yog li lawv tuaj yeem siv rau hauv ntau cov txheej txheem kev lag luam, xws li tshem tawm cov xim los yog nplaum nplaum, tab sis lawv kuj evaporate sai sai thaum raug huab cua, yog li lawv yuav tsum tau ua tib zoo tswj xyuas thaum siv kom tsis txhob muaj qhov poob vim evaporation. Txawm li cas los xij, yog tias tswj tau zoo, cov kuab tshuaj no tuaj yeem rov qab tau yooj yim los ntawm cov khoom siv hnyav dua los txo cov khib nyiab thiab nce kev ua haujlwm.
Solvent recycling yog ib feem tseem ceeb ntawm txhua lub lag luam txoj kev ruaj ntseg vim nws txo cov khoom pov tseg thaum txuag nyiaj. Cov khoom siv rov ua dua tshiab tso cai rau cov tuam txhab rov ua dua cov kuab tshuaj, suav nrog cov cawv xws li roj av, ethanol lossis methanol, thiab ketones xws li acetone lossis MEK, tsis tas yuav xa cov khoom pov tseg rau kev pov tseg lossis kev kho mob, txo cov nqi thaum pab cov tuam txhab ua tus phooj ywg zoo dua qub. Armed nrog cov kev paub no, cov tswv lag luam yuav tsum tam sim no paub txog hom kuab tshuaj twg tuaj yeem siv tau siv cov kuab tshuaj siv dua tshiab, ua rau lawv txiav txim siab paub ntau ntxiv txog kev ruaj khov.
