. Journal. JOURNAL Oi nil SOCIETX OF CHEMICAL INDUSTRY. [Feb. 15. 1905. with about 10 -nil silicab the reservoir tank by the pipe 4, and is punby moans of the pump 5, through the pipe 6 intothe measuring cylinder 7. whence . ned level falls back into the throi ontrolled I noil led in thetank through the pipe L5 into one f the twin - 17. where the temperature is brought I ? ? > coil i. At the same time thi itter ink through the pipe 1 is punaby means of the pump 11 into the reservoir12 (which has a doubl ss being returned to the general tank through the pipe 13. \m tube 14 passes th
. Journal. JOURNAL Oi nil SOCIETX OF CHEMICAL INDUSTRY. [Feb. 15. 1905. with about 10 -nil silicab the reservoir tank by the pipe 4, and is punby moans of the pump 5, through the pipe 6 intothe measuring cylinder 7. whence . ned level falls back into the throi ontrolled I noil led in thetank through the pipe L5 into one f the twin - 17. where the temperature is brought I ? ? > coil i. At the same time thi itter ink through the pipe 1 is punaby means of the pump 11 into the reservoir12 (which has a doubl ss being returned to the general tank through the pipe 13. \m tube 14 passes through the pipelO, with the obje tof keeping the fat liquid whatever the external tern]ture rhei ted amount of fat passes through the pipe 1 s opened and closed I endless chain) into tl of the twin ra 18, who: 15 C. by means of a steam coil, to the twin d by I 25. As soon as the required temperaturesned, and the lye falls ins a horizontal id lli id an screw 36, whilst horizontal motion is. imported to the helical stirrers. 34 and 35. by meansof the wheels 32 and 33. The chamber is also fittedwith a perforated partition, 39, supported by ironends rivetted to the interior of the chamber. Whenthe whole of the lye has entered the saponifyingchamber, the cook 41 is opened and the fat admitted, the-ure driving it through the perforations of thepartition 39, so that it falls into the lye in a finely dividedstate and is thoroughly mixed by means of the paddles,&<S. Steam is not admitted to the autoclave until thewhole of the fat has been introduced, this being indicatedon the pressure gauge 42. The saponified mass is trans-ferred through the pipe 43 to the v. ssel a certainproportion of sodium carb to 20 per cent.) 1 led, and after thorough admixture, isdischarged through the out 1. t controlled by the handle4b. It is stated that the entire operation can be carriedout within 15 minutes.—C. A. M. XIII.—PIGMENTS, PAINTS ; RESINS,VARNISHES; INDIA-RUBBER, Etc. <A.
Size: 1920px × 1302px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1880, booksubjectchemist, bookyear1882
