What is fining?

Some articles on fining:

Winemaking - Blending and Fining
... Fining agents are used during winemaking to remove tannins, reduce astringency and remove microscopic particles that could cloud the wines ... The winemakers decide on which fining agents are used and these may vary from product to product and even batch to batch (usually depending on the grapes of that particular ... and is recognized as a traditional method for wine fining, or clarifying ...
Red Wine - Production - Fining and Stabilization
... Red wines sometimes undergo fining, which is designed to clarify the wine and sometimes to correct faults such as excess tannin ... Fining agents include egg white and gelatine ...
Funtley - Fontley Iron Mills
... Cort's innovation was a new process for "fining" iron ... produced was too impure for forging (though it could be cast ) fining removed the impurities ... The previous method of fining used a finery hearth fuelled with charcoal ...
Clarification And Stabilization Of Wine - Clarifying Wine - Fining
... In winemaking, fining is the process where a substance (fining agent) is added to the wine to create an adsorbent, enzymatic or ionic bond with the suspended particles, producing larger molecules and ... can only remove particulates (such as dead yeast cells and grape fragments), fining can remove soluble substances such as polymerized tannins, coloring phenols and proteins some of these ... Many substances have historically been used as fining agents, including dried blood powder, but today there are two general types of fining agents — organic compounds and solid/mineral ...
Finery Forge - History
... The fining process involved liquifying cast iron in a fining hearth and removing carbon from the molten cast iron through oxidation ... Wagner writes that in addition to the Han Dynasty hearths believed to be fining hearths, there is also pictoral evidence of the fining hearth from a Shandong tomb mural dated ...