How to purify low-degree white wine to a high degree of white wine

There are two ways to purify low-degree white wine to a high degree of white wine:

1, redistill white wine with a retort pot, the end of the wine is well controlled, or not add the end of the wine, the degree of wine will be increased. The disadvantage is that the trace substances in the liquor are destroyed, and the taste of the liquor will change with the quality of the lees.

2, with a high degree of alcohol to raise the degree, the gap is small can be used with a high degree of white wine, if the gap between the degree of alcohol is large, you can use edible alcohol.