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Acid Recovery. Bepc.' .mens
PRQDpCIjS Vacuum Concentrators for. -'
Spent Sulphuric Acid Chamber Acid-
higher s;rength acid, it is .necessary; t.o ' booster which will create in .the concent, of up ,l 29.S". To avoid, .cpntem^ijign water v.-_- have also used`surface^,condensers'; the ba-.-uetric condenser.
acuun
.opling eaio1
P-
Sludge Acid Vacuum Stills for Purification <of Impure Acid;; Vacuum Evaporators for ;-[
/ Weak Solutions of Suphuric and Phosphoric Aci: Vacuum Coolers apd/CiysaIlx rs for.
Acid Solutions-, -o
COJMSTR1lie lJON
A/' 'All cc-xentrators. are, of.splgta:
'i .Thefputside shell is;.ma4er-:bf.
01,
/and .steel plate for larger.uruts.v. ,*1^0 sheets r chemical lead %e?.vto .^"';thick ;:JaU rexticaLe
.;-and.-hor :ontal jointsp'are.burped ^jfn:j:H'o'Qptsi< ta'.mg - pectic. n and; /cpairs.*:i-,^g,-^eg.d'-`-13ning s
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Separating Plants for v ^ h Sludge Add
pected a heavy,layer of aci^pro^ bricks laic
y abl^ cement.j /Openmgs, are p.rotectgd- by"higl ^licgnj5-
;:-n:on?slecves^pThe.;ii^tdiig;surface'^onasl:s:;ofi<ar
Blil
pr o c ess
Jead..or c.'ienu'c^lea^tubinglfw';stqam::pressure&
In the .SimonsonJ^antras-^a< uum Process, patented .`>lbs.;5anc of:lead cojveredxoppcr:^bCs^OB;higi in the United States and -cforeig l countries, the .acid is iron.tuoes for a pressure uo|oil503b^A Conder
sjhcpnTi-
rgjg|n|i
concentrated with.steam at from 5.1b. to 150 lb. pressure '. vacuum boosters aretmade o'f^har^ lead, special b
under a vacuum of from 27" to 2 ^8" so that the boilin : or. iug.'. silicon iron. Where .necessary^
temperature of the finished acid
sd . 'ftare:ef,,"oed with, eleo^rx11
F. The high vacuum practicallyjel
AU i .aerators- crj
r. u] r-
The proper vapor speed, anil,low J losses due to entrainment and ch. one half of one percent No fumes concentrators.
Well separated sludge acid is jus 60, 65, or 66 Be,j Spent`Aci^jai usually concentrated,to 932$.Utl brought-up to 95% apdp7$yJliigSt
Invpll.^ases wherelthg^st^ngjl^
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Conc entrator-ut 111are>IIkf iur Tyv1*r n1 '*J
t r i up ii'r. vxi, tuui (<:
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g&js
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ij- v'**`rf
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specially designed j .u i _ic. capacity auu operating condii
tions for "which they-axe to be* used. We'fib not try b
adapt one standard apparatus to' all possible Workm-
conditions.
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a p poomilN ''0 TStftfCESi. ;': '
Spent Acid. Large used in the chemical nitric acid and the ; Such dilute- acids are cur Super Vacuum efficiency. There ate inorganic impurities. 100-tons of H.gCV'
Some of the sulphates which tor reuse. Sulpfo died in our special, difficulty and $re .v.itrifugals orva<
Ferrous Sulphate ir under strict' Control Of otherwise the sulphate.' of a slime which efficiently. After
and experimentation . pending, whereby
under vacuum to an, ferrous sulphate1 is 56% acid, which no-jv phates, is further precipitated sulphate is,.,: irifuging in a coni sulphate residue is precipitate of the 36% acd ferrous sulphate can be jd^ ,...
-...',1-,'vic acid in a chamber; O'f1 cOh
a./oejcrecpvercci ny /conetsygg^ggg
turn -mfsingle oridotfole'ieftecfetp about 30% acidity and1
the" fefrous fulphltd'^'r
copperas
br mcmohy^afe.^-fiAll, the1 acid ra the waste nquor is
'' ** ' dich makes it
i the. pickling '
I'., from a fusi-
for lurther . acuum :pricenIosses
hec^ssfirit,. these ;tp eliminate
ACID STELLS
. Sometimes the concentrated 'jspent acid cbntains inor
ganic salts in solution, and whbre a technical pure acid is required `for -the process the| impure acid can be dis
tilled imdertyacuum at* reasonable, cost. The distillate
will ofrcc-ivrse be;absolutely freefronr these salts and the
remaining sf
ipfifiSil i 'SO that there is no
lbfealbS^cid
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i UL>,
'
j
STALTJZERS
of largb capacity
tor lmpu:
toe incrustations of
the- cooling surface;. :We abd ^hepared to furnish com
plete yacuuin ^CrystallizingjfiPiPnts-for the removal of
Copper?
>er and/fother- Salts :from waste acids.
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countries; several' of these' unite have been in continuous operation fdi'ii`M|i,fearSi ` `
'Types A ^ao: i3D;!|fcoJae
to . bu]ld a for. ^J|S;i
stoouIjcJ,;!! Recbvfei Depai
the exclusive rights and give licenses
Process: Inquiries Lead Company, Acid
New York.
000-NU-0000144S0