Mono Ethylene Glycol (MEG), feem ntau hu ua glycol lossis ethylene glycol (CAS 107-21-}1), yog siv dav hauv kev kho dej hauv kev lag luam ua cov tshuaj tua kab mob thiab cov khoom siv hluav taws xob hloov pauv. Nws lub luag haujlwm tseem ceeb yog txhawm rau txo qhov dej khov ntawm cov dej, tso cai rau cov kav dej, cov tshuab ua kom txias, HVAC loops, thiab cov txheej txheem kev lag luam ua kom muaj kev nyab xeeb nyob rau hauv qhov kub thiab txias.
MEG (Mono Ethylene Glycol) yog dab tsi?
MEG yog dihydric cawv nrog ob pawg hydroxyl:
HO-CH2-CH2-OHHO{-}CH_2{-}CH_2{-}OHHO-CH2-CH2-OH
Cov pab pawg hydroxyl no tso cai rau MEG sib xyaw nrog dej thaum hloov pauv dej lub cev tus cwj pwm.
| Tshuaj npe | Mono Ethylene Glycol |
| CAS Nr | 107-21-1 |
| Molecular Formula | C₂H₆O₂ |
| Qhov tshwm sim | Ntshiab xim tsis muaj kua |
| Dej Solubility | Ua kom miscible |
| Boiling Point | ~ 197 degree |
| Main Industrial Function | Antifreeze & tshav kub hloov kua |
Yuav ua li cas MEG glycol Tiv thaiv kom khov
Freezing Point Depression Txoj Cai
Hydrogen Bonding: Hydroxyl pawg hauv MEG glycol tsim cov ntawv cog lus muaj zog nrog cov dej molecules.
Inhibited Crystallization: Cov ntawv cog lus no cuam tshuam cov dej molecules los ntawm kev npaj rau hauv cov dej khov nab kuab thaum kub poob.
Lowered Freezing Point: Dej tsis tuaj yeem ua kom yooj yim, ua kom cov kua dej qis dua 0 degree.
Qhov zoo ntawm MEG Daim Ntawv Thov hauv Kev Kho Dej
Adjustable Anti-freezing Performance: Lub freezing point poob nrog nce MEG mono ethylene glycol concentration. 25% huab hwm coj piv MEG daws txo qhov chaw khov rau -12℃.
Kev Tiv Thaiv Kev Tiv Thaiv Kab Mob: Nres cov dej khov thiab qhov ntim nthuav dav, zam kev puas tsuaj hauv cov kav dej txias thiab HVAC.
Microbial Inhibition: 20% -25% concentration restrains kab mob kev loj hlob, txiav corrosive acidic tshuaj ntau lawm.
Daim ntawv siv
MEG glycol nta toxicity siab, yog li nws tsuas yog siv tau rau cov tshuab kaw kev lag luam. Tsis yog - tshuaj lom propylene glycol yog qhov hloov pauv rau cov dej haus thiab cov chaw ua zaub mov.
Kev Siv Dej Kho Kev Kho Mob ntawm MEG glycol
1. HVAC Systems
Mono ethylene glycol tiv thaiv cov dej txias thiab cua sov cov kav dej tiv thaiv kom khov thaum lub caij ntuj no. Nws yog dav siv nyob rau hauv HVAC cov chaw ntawm cov tsev lag luam, hauv paus tsev kawm ntawv cov chaw txias txias, cov chaw zov me nyuam thiab cov chaw lag luam.
2.Industrial Cooling Systems
Kev lag luam cua txias ntxiv cov tshuaj MEG kom tsis txhob khov kev puas tsuaj thaum lub sij hawm cov khoom siv downtime lossis tso rau sab nraum zoov. Nws ua haujlwm txias tshuab hauv tshuaj lom neeg, petrochemical, kev ua zaub mov thiab kev lag luam tshuaj.
3. Roj & Roj Kev Kho Dej
Monoethylene Glycol yog txhaj rau hauv cov roj thiab roj cov kav dej kom tsis txhob muaj dej khov thiab roj hydrate buildup, yog li tshem tawm cov kev pheej hmoo ntawm cov kav dej. Tsis tshua muaj kub thiab siab siab pab kom dej thiab hydrocarbons los tsim cov khoom hydrates, thaum MEG kho qhov sib npaug ntawm cov thermodynamic thiab ua rau muaj txiaj ntsig zoo rau cov khoom tsim tawm.
4. Kev Tiv Thaiv Hluav Taws Xob
Glycol cov dej sib xyaw uas muaj MEG yog siv rau cov kav dej tua hluav taws hauv cov chaw txias, uas tiv thaiv cov kav dej kom tsis txhob khov thiab ua kom muaj kev sib ntaus sib tua zoo.
CAS 107-21-1 MEG Raw Khoom Muag hauv Suav teb
MEG vs Propylene Glycol hauv Kev Kho Dej
Ob leeg MEG thiab propylene glycol (PG) yog siv rau hauv kev tiv thaiv khov.
| MEG | Propylene Glycol | |
|---|---|---|
| Thaum tshav kub kub hloov efficiency | Zoo dua | Tsawg me ntsis |
| viscosity | qis | Siab dua |
| Nqi | qis | Siab dua |
| Toxicity | Siab dua | qis |
| Kev siv tshuab | Dav dav | Khoom noj khoom haus-sensitive systems |
Hauv kev lag luam tshuab, monoethylene glycol (MEG; CAS 107-21-1) feem ntau nyiam rau nws cov khoom tshwj xeeb thermal thiab viscosity tsawg.
Xaus
MEG (Monoethylene Glycol) tiv thaiv cov dej khov hauv cov txheej txheem kho dej los ntawm kev cuam tshuam cov hydrogen bonds thiab txo qis qhov dej khov ntawm dej.
Nws zoo heev dej miscibility, thermal stability, tsis tshua muaj -kub fluidity, thiab npaum tshav kub hloov khoom ua rau nws yog ib tug ntawm cov tseem ceeb tshaj plaws nyob rau hauv lub ntiaj teb no cov khoom muaj antifreeze agents.
Hais txog peb
Raws li ib tug ua chaw tsim tshuaj paus thiab exporter ntawm tshuaj solvent,TIANJIN GNEE BIOTECH CO., LTD.muab siab -cov tshuaj muaj txiaj ntsig zoo. Peb muab rau cov neeg siv khoom thoob plaws kev lag luam tshuaj, tshuaj, thiab cov khoom siv, ua kom zoo ib yam, txhim khu kev qha logistics, thiab kev txhawb nqa kev tshaj lij.
Peb cov khoom siv tshuaj muaj ntawv pov thawj thoob ntiaj teb (REACH, ISO, FMQS, HALAL) rau kev lees paub thoob ntiaj teb. Peb muaj warehouses nyob rau hauv coreports xws li Qingdao, Tianiin, thiab Shanghai, nrog ib tug 15-hnub kev pab xa khoom.
Lwm Yam Kub- Muag Khoom
| Dimethyl Sulfoxide (DMSO) | CAS 67-68-5 Nr |
| Dichloromethane / Methylene Chloride | CAS Nr .: 75-09-2 |
| Glacial Acetic Acid / Ethanoic Acid | CAS 64-19-7 Nr |
| Ethyl Acetate / Ethyl Ethanoate | CAS Nr .: 141-78-6 |
| Ethylene Glycol / Monoethylene Glycol (MEG) | CAS Nr .: 107-21-1 |
| Trichlorethylene | CAS Nr .: 79-01-6 |
| Cyclhexanone | CAS Nr .: 108-94-1 |
Gneebio Khoom ntim khoom
| Ntim Hom | Net nyhav |
|---|---|
| Hlau Nruas | 250 kg |
| IBC Tank | 12 50kg |
| ISO Tank | Kev xa khoom ntau |
Neeg tuaj xyuas
