Slide Chap 2 Jan 2015 (Solid-Liquid Separation)

8/18/2019 Slide Chap 2 Jan 2015 (Solid-Liquid Separation)

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C H A P T E R 2

SOLID –LIQUID SEP R TION

(Drying and Filtration)


2/21

I n t r o d ! t i o n

Drying

D"#ir"d $Und"#ir"d

Co%&on"nt

Prin!i&l"# o'Drying

Adiaati! Dry"r

A&&li!ationTray and S&ray

Dry"r

Filtration

D"#ir"d $Und"#ir"d

Co%&on"nt

Prin!i&l"# o'Filtration

A&&li!ationPlat" and

Fra%" Filt"r


3/21

* " t + o d , D R - I N .

P r & o # " o ' D r y i n g

• T o r " d ! " t + " ! o # t o ' t r a n # & o r t a t i o n

• T o % a / " & r o d ! t # i t a l "

' o r + a n d l i n g • T o a 0 o i d t + " & r " # " n ! " o '

% o i # t r " 1 d " t " r i o r a t " & r o d ! t ! o r r o # i o n

D " ' i n i t i o n

* " t + o d o ' r " % o 0 i n g 3 a t " r o r o r g a n i ! # o l 0 " n t # ' r o % 3 " t # o l i d # a t a # & " ! i ' i " d % o i # t r "

! o n t " n t

D " # i r " d $ U n d " # i r " d P + a # "

• D " # i r " d S o l i d • U n d " # i r " d L i 4 i d


4/21

D R - I N . P r i n ! i & l " # o ' D r y i n g

Adiaati!5Dir"!tDrying

Non1adiaati!5In

dir"!t

Drying

E6&o#" t+" #olid# to a +ot ga#7 ,7 H"at i# tran#'"rr"d 'ro% an "6t"rnal

%"di% (indir"!t +"ating y !onta!t 3it+ a %"tal 3all)7

27 Dry"r# +"at"d y di"l"!tri!8 radiant8 or

%i!ro3a0" "n"rgy7


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D R - I N . A d i a a t i ! D r y i n g

*"t+od5*"!+ani#%

o' Drying

,7 Cro##1Cir!lation

27T+rog+1

Cir!lation

97S+o3"ring

A!tion

:7 Flidi;"d


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A d i a a t i ! * " t + o d 5 * " ! + a n i # % o ' D r y i n g

Cro##1!ir!lation T+rog+1!ir!lation

S+o3"ring a!tion Flidi;"d "d Co1!rr"nt 'la#+ dry"r


7/21


Cro##1!ir!lation

T+rog+1!ir!lation

S+o3"ring a!tion Flidi;"d "d Co1!rr"nt 'la#+ dry"r

.a# i# lo3n a!ro## t+" #r'a!" o' a "d or #la o' #olid# or

a!ro## on" or ot+ 'a!"# o' a !ontino# #+""t or 'il%7

.a# i# lo3n t+rog+ a "d o' !oar#" granlar #olid#

t+at ar" #&&ort"d on a #!r""n7

T+" ga# 0"lo!ity i# /"&t lo3 to a0oid any "ntrain%"nt

o' #olid &arti!l"#7


8/21


S+o3"ring a!tion

Flidi;"d "d

Solid# ar" #+o3"r"d do3n3ard t+rog+ a #lo3ly %o0ing ga#

#tr"a%8 o't"n 3it+ #o%" nd"#ir"d "ntrain%"nt o' 'in" &arti!l"#

in t+" ga#7

.a# &a##"# t+rog+ t+" #olid# at a 0"lo!ity #''i!i"nt to 'lidi;"

t+" "d7


9/21


10/21

A & & l i ! a t i o n T r a y D r y " r

Cain"t Dry"r


11/21


Cain"t Dry"r


12/21


A Fr"#+ air inl"t


13/21


A Fr"#+ air inl"t


14/21

A & & l i ! a t i o n S & r a y D r y " r


15/21



16/21


,7 Fro% '""d inl"t8 #lrrydi#&"r#"d into #%all8'in" dro&l"t# o' li4id 0ia no;;l"5ato%i#"r

27 T+" li4id dro&l"t# 3ill!onta!t 3it+ +ot ga#7

97 T+" %oi#tr" 'ro%li4id dro&l"t# 3illra&idly 0a&ori;"d8

l"a0ing r"#idal &arti!l"#o' dry #olid8 3+i!+ ar"

t+"n #"&arat"d 'ro% t+"ga# #tr"a%7

:7 All dry #olid 3ill "!oll"!t"d at t+" otto% o'

!+a%"r5#ilo5!on"


17/21

* " t + o d 2 F I L T R A T I O N

D " ' i n i t i o n T + " # " & a r a t i o n o ' # o l i d ' r o %

l i 4 i d y # i n g & o r o # % " d i % 8 3 + i ! + r " t a i n # t + " # o l i d a n d a l l o 3 # l i 4 i d t o & a # # t + r o g + 7

D " # i r " d $ U n d " # i r " d P + a # "

I n ' i l t r a t i o n & r o ! " # # 8 t + " d " # i r " d a n d n d " # i r " d ! a n " o t + & + a # " # ( l i 4 i d o r # o l i d )

• D " # i r " d S o l i d 5 L i 4 i d • U n d " # i r " d L i 4 i d 5 S o l i d


18/21

F I L T R A T I O N R a t " o ' F i l t r a t i o n

Ar"a o' 'ilt"ring#r'a!"

Dro& o' Pr"##r"'ro% '""d to 'ilt"r

%"di%

>i#!o#ity o' t+"

'iltrat"

R"#i#tant o' t+"'ilt"r %"di% and

initial lay"r o' t+"!a/"


19/21

F I L T R A T I O N * " t + o d 5 * " ! + a n i # %

Ca/" 'ilt"r

Clari'ying 'ilt"r

Cro## 'lo3 'ilt"r


20/21

A & & l i ! a t i o n P l a t " a n d F r a % " F i l t " r


21/21

L " a r n i n g O t ! o % "

?+at +a0" yo l"arn"d

@#t no3

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Slide Chap 2 Jan 2015 (Solid-Liquid Separation)

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