Method and apparatus for manufacture of dry powders

Abstract

A method of production of a homogeneous powdered product from a starting product in a liquid state, the starting product having sugars as at least 60% of its total solids, the method comprising: in the absence of air: pressurizing the starting product to a pressure greater than 1 bar; injecting a gas into the starting product to form a mixture in which the starting product is substantially saturated by the gas; and degassing the mixture into a continuous stream of transport gas such that, on contact with the transport gas, water from the mixture evaporates to leave the homogeneous powdered product.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to Australian Provisional Patent Application No. 2017901770, filed 12 May 2017, the contents of which are incorporated by reference in their entirety. technical field [0003] The present disclosure relates to methods and apparatus for making dry powders from high sugar concentration, low glass transition liquids. Background technique [0004] High sugar concentration, low glass transition (T g ) liquid is rich in vitamins and minerals including calcium, chromium, cobalt, copper, magnesium, manganese, phosphorus, potassium and zinc. Some of these extracts also contain iron and vitamins A, C, B1, B2, B3, B5, and B6, as well as high concentrations of phytonutrients, antioxidants, and other health-promoting compounds. [0005] A common technique for converting some of these extracts from their liquid form into a dry powdered product involves dehydration by boiling, which produces a dry, ...

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Problems solved by technology

Additionally, the final powdered product can only be dried to about 50% of the total solids using such processes

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