spray dryingn.
A method of drying foodstuffs, ceramic materials, etc., by spraying finely-divided particles of the substance into a current of hot air or another gas, the water in the particles being rapidly evaporated.
ΘΚΠ
the world > matter > liquid > dryness > [noun] > making dry > drying by specific method
stoving1665
hydro-extracting1882
hydro-extraction1895
spray drying1921
spin-dry1932
freeze-drying1944
flash-drying1946
spin-drying1956
society > occupation and work > industry > manufacturing processes > [noun] > processing > drying
spray drying1921
1921 Jrnl. Industr. & Engin. Chem. May 448/2 Spray drying is comparatively expensive, mainly because it is impossible to utilize all the heat going through the drying chamber.
1946 Nature 10 Aug. 194/1 Considerable progress had been made in drying; and spray-drying, flash-drying and drum~drying have been developed with considerable success.
1968 Economist 15 June 64/3 The dried milk market, so far dominated by Cadbury's ‘Marvel’ which is the product of an improved spray drying technique, is worth around £3 million a year.
Derivatives
spray-dry v. [as a back-formation] (transitive) .
ΚΠ
1950 Thorpe's Dict. Applied Chem. (ed. 4) x. 197/2 The essential features in spray-drying eggs are the avoidance of scorching..and the production of a powder containing not more, and preferably less, than 5% moisture.
1971 Sci. Amer. Oct. 5/3 (advt.) Our engineers solved the..problem..by spray-drying it [sc. powdered ceramic] in a blast of hot air.
spray-dried adj.
ΚΠ
1932 Bull. Hannah Dairy Res. Inst. No. 3. 134 Rancidity appeared less frequently in roller-dried than in spray-dried powders.
1945 Biochem. Jrnl. 39 p. xxvi We have examined..the biological value of the proteins (nitrogen) of a sample of spray dried milk manufactured in 1939.
1961 M. Hynes Med. Bacteriol. (ed. 7) xii. 196 More than 10 per cent of imported spray-dried egg contain live Salmonellæ.
spray dryer n. a machine or installation that performs spray drying.
ΘΚΠ
society > occupation and work > equipment > machine > other specific machines > [noun]
reeler1598
driver1659
rubber1747
heading machine1795
bruiser1809
finisher1835
stripper1835
physionotype1836
rotary1836
tetraspaston1842
netting-machine1846
speeder1847
dresser1855
spacer1857
starcher1862
bronzing liquid, machine1865
finishing machine1869
grader1869
brain machine1872
peanut roaster1872
bending machine1874
screw-machine1876
tire-upsetting-machine1877
buncher?1881
flax-breaker1889
oscillator1889
fluoroscope1893
fluorometer1897
mucker1916
spray dryer1921
paver1926
teabagger1940
burster1950
icemaker1953
laminator1958
slipform (concrete) paver1958
extruder1959
Zamboni1965
manipulator1968
wave machine1968
pipelayer1969
walking machine1971
1921 Jrnl. Industr. & Engin. Chem. May 448/2 It is very difficult to give the cost of operating a spray dryer either in dollars or in heat units.
1967 M. Chandler Ceramics in Mod. World ii. 62 The spray dryer consists of a cylindrical drum..with a conical outlet at the bottom.
1979 A. L. Lydersen Fluid Flow & Heat Transfer vi. 167 A spray dryer for detergent containing 45 weight% water.
This entry has not yet been fully updated (first published 1986; most recently modified version published online March 2021).
<
n.1921