Question

0.4 lb Vitamins b Нао Recycle Stream Feed Stream 98 lb/hr 20% Vitamin Solution Continuous Filter H20 Vitamins Centrifuge 100% 14% H-о рer lb VitaminsH20 is Carried Off) 60% Vitamins 40% H20

The manufacture of such products as penicillin, tetracycline, vitamins, and other pharmaceuticals, as well as photographic chemicals, dyes, and other fine organic compounds, usually requires separating the suspended solids from their mother liquid by centrifugation, and then drying the wet cake. A closed-loop system (figure) for centrifuge unloading, drying, conveying, and solvent recovery is comprised of equipment especially designed for handling materials requiring sterile and contamination-free conditions. Given the experimental measurements on the pilot plant equipment outline in figure: a. Draw and label a flowchart of the process. b. What is the lb/hr of the recycle stream R?

Answer 1

m Feed stream O-2 x98 > mv, fee d Styeam vitamin гь/hr. 8.4 kb/hY stream MH20, feed veeyele tecyle lo vitamins/ lb stream vitamins iv, vecycle T:4 mH20, Yecycle Centrifnge exit os at , centrije mv, eed etYeam + my , veOyele vitamins in vitamin: out viiso, Centrifuge чо mv, centrifuge. 60 19- 6 2 у дь/ar. ilter, out let stream Continuou s be at Per b vitarmins + Ha0 itzo iltered riv, tiltere d -> Yecycle 0-9 6 Centrif uge ilter riv, recycle + mv, filter r centrituge

20 4 2 nto, centrituge itao,tite mH20, Yecycte 19- 6 ( a3.39 low Yate is stYeam Yeeycte