what can replace propylene glycol in water

Batch Manufacture of Propylene Glycol

time the purity of the propylene glycol product is 99% Unfortunately to achieve this high purity 8 4 lbmol of propylene glycol are lost with the methanol and water product The methanol and water are recycled to be used in another batch with makeup water added to replace

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Chill Out: How To Maintain Your Glycol Cooled Draft Beer

3/10/2016Propylene glycol is combined with water to create a chilled mixture called a glycol bath The glycol bath is pumped from the glycol power pack through the cooling lines (#2) that run parallel to your beer lines (#1) The glycol and beer lines run in an insulated package called the trunk line (#3)

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The difference between Propylene Glycol and Ethylene

The difference between Propylene Glycol and Ethylene Glycol in antifreeze comes down to both toxicity levels and efficiency of performance Ethylene glycol possess far superior heat transfer properties whereas Propylene Glycol carries a very low toxicity A glycol is an organic chemical compound belonging to the alcohol family

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HYDRO

Ethylene glycol should not be used where it could contaminate potable water food processing or other products meant for human consumption Propylene glycol was developed to replace ethylene glycol where possible contact with potable water and food could occur Propylene glycol does not have the heat transfer efficiency that ethylene glycol has

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propylene glycol and glycerine see this if you

4/28/2010Propylene glycol does not cause sensitization and it shows no evidence of being a carcinogen or of being genotoxic There is limited evidence that intravenous injection of propylene glycol can cause adverse responses in a small number of people

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propylene glycol instead of water

1/18/2016RE: We used a 50/50 propylene glycol mix in a hot-water baseboard system for years trouble-free Using this mix actually increases the latent heat of the solution and moves a significantly higher amount of BTUs through the system than plain water

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propylene glycol and glycerine see this if you

4/28/2010Propylene glycol does not cause sensitization and it shows no evidence of being a carcinogen or of being genotoxic There is limited evidence that intravenous injection of propylene glycol can cause adverse responses in a small number of people

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aqueous solution

Our older water mains are not deep enough to provide adequate protection against freezing and it is too costly to replace them all How much and what kind of food grade propylene glycol we need to add per gallon to keep the mains from freezing (or how to calculate it)? The city uses about 10 000 gallons of water

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Alternatives to propylene glycol and vegetable glycerin in

The isomers of butanediol would be a possible alternative since these have boiling points only a little higher than propylene glycol and lower than glycerin You would have to avoid the 1 4 isomer since this has toxic effects similar to the date-rape drug GHB

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Propylene Glycol: Is This Common Food Additive Safe?

7/31/2017Propylene glycol is derived from petroleum and is a viscous colorless odorless substance with a sweet taste Food makers value it for its ability to keep a substance moist maintain texture and mix with almost anything (oil alcohol and water) Because of these properties and because it is generally recognized as safe it has become a common

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Propylene Glycol (Inactive Ingredient)

11/19/2018Propylene glycol (CH8O2) is a commonly used drug solubilizer in topical oral and injectable medications It is used as stabilizer for vitamins and as a water-miscible cosolvent Propylene glycol has been used for over 50 years in a large variety of applications As a pharmaceutical additive propylene glycol is generally regarded as safe

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Propylene Glycol

Some other names for it are a-propylene glycol 1 2-propanediol 1 2-dihydroxypropane methyl ethyl glycol (MEG) methylethylene glycol PG Sirlene Dowfrost Web definition for Propylene Glycol according to wikipedia Bulk propylene glycol can be converted from glycerol or glycerin which is a byproduct of biodiesel production

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Propylene glycol (RV antifreeze) for chiller

9/21/2011Wikipedia states that mixing propylene glycol with water will actually lower the freezing point but all the charts I can find on the freezing point of a glycol/water mix show that the freezing point monotonically decreases as the proportion of glycol increases but they all stop at 60% glycol (-70F)

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Batch Manufacture of Propylene Glycol

time the purity of the propylene glycol product is 99% Unfortunately to achieve this high purity 8 4 lbmol of propylene glycol are lost with the methanol and water product The methanol and water are recycled to be used in another batch with makeup water added to replace

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