essentially or essential
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1. The bottom stream of column A is essentially impure water. 2. The product from the methanol water reflux vessel is essential methanol. How should the words "essentially or essential" be translated in these two sentences?
personal understanding: 1. The bottom stream of column A is essentially impure water. * * * * * * * * * * * Mainly non-purified water. 2. The product from the methanol water reflux vessel is essential methanol. * * * * * * * * * * * It is refined methanol.
Basic, main... 1. adv+adj 2. adj+n
1. The bottom stream of column A is essentially impure water. The flow out of the A tower reactor is basically impure water. 2. The product from the methanol water reflux vessel is essential methanol. The product from the methanol water reflux vessel is refined methanol.
Since the first one contains pure, it needs to be in adverb form. I think it is: * * * * * * Mainly pure water. The second one is an adjective added directly to a noun. * * * * * Extracted methanol. In fact, methanol extraction also means that it is basically methanol. The meaning of essential has not changed, but the translation has changed.