Nonwoven Filters Media

8/3/2019 Nonwoven Filters Media

http://slidepdf.com/reader/full/nonwoven-filters-media 1/6

FOREWORD

Nonwo ve n m ate ria ls u sed in filtratio n a pp lic atio ns are a n im po rta nt p art o f th ewo rl dw ide nonwoven in dus tr y. Itis th e fo urtl la rg es t nOOWQV€flS end . .. s e maFl \l etin N"e~tNiXl-TWriea. Global 3Fltltlal coasumprron o~ n8FP.VQV(gD f :i lll ermed ia i sa pp ro ac hin g $ 2 b illio n. T he c on sumptio n o f n o nwo ve n filte r m e dia n ow e xc ee ds$ 40 0 m illio n in N orth Am eric a. N onwo ve n filte r m ateria ls c on tin ue to g ro w a ndcapture a grow ing share of the filter m edia m arket because of their excellentperform ance and econom ical cost. It is a large industry, bu t very d iverse w ithm an y ty pes o f filte r p ro du ce rs su pp ly in g a 'v id e v arie ty o f filte rin g sy stems a ndfilter m edia to m eet a w ide variety of liquid, air and gaseous fluids filtrationneeds. The end m arkets are num erous and it w ould require pages to list themall. The average consum er is aw are of filters used in their daily life, such asc offe e filte rs , te a b ag s, fu rn ac e filte rs a nd d is po sa ble v ac uum c le an er b ag s. T he ym ay be unaw are of the filter system s and m edia used for their drinking w ater,air filtration at their w ork place or in their car, food and beverage filtration anda h ost o f in du stria l p ro ce ss es w hic h u se filtra tio n to se pa rate m ate rials, re du cep ollution and im prove the quality of their life .

T his-ldarrdbOOk i s INDA's first prim er on the filtration indu stry. T he book isintended to p rovide an overview of the total filtration indu stry and the grow ingcon sump ti on o f n onwov en medi a i n a v ar ie ty o f fi lt ra tio n app li ca ti on s. Th is p rimeris intended to be used as an educational and inform ation tool.

IN DA 's m ission is to prom ote the grow th and profitability of the nonw ovensin du stry w orld wid e. In se rv in g its m em bers hip , INDA c on tin ua lly rev ie ws a ndp ro du ces statistic s o n th e n onwo ve n in du stry in N orth Am erica an d m an y w orldre gio ns . In a dd itio n to a wh ole ra ng e o f p ub lic atio ns , INDAspo ns ors e xp os itio nsa nd c on fe ren ce s, o ffe rs g ov ernme nt rela tio ns , a s w ell as te ch nic al, m ark etin gand international trade services. This H andbook is an exam ple of one of them any services that aid u s in achieving our m issio n.

T ed W i rtz

P re sid en t, INDA



:z~UJo

i3--':;::~:z :cou.

:z UJ

I-

m

"0Q)

~'-Q) ::!C

;!::C UJ

UJ '":;;;=>

u . .

s : : : : :Q)

>0

3 :s : : : : :

0

Z:z0:;;;;:::UJ

~t;;

~~u: :

'":zUJ UJ

"'i3; ; : : ; : :0:: :zUJ 0

[Q:z

u::>-[Q

ii



INTR DUCTION

T he w orldw ide m arket fo r filter equipm ent and system s, filter elem ents andfilter m edia is an industry w orth m ore than $100 billion per y ear. T he industryh as b ee n g row in g c on sis te ntly in th e 3 -5% ra ng e p er y ea r. F iltra tio n is th e p ro ce ssof separating one substance from another and there are m any types of filtersystem s depending upon the nature of the m aterials to be separated. Theseme th od s i nc lu de e le ctr os ta tic p re cip it ato rs , c en tr if ug es , c yc lo ne s, s cr ub be rs a ndmechani ca l s ep ar at io n. Mechani ca l f il tr at io n, s ome times c al le d b ar rie r f ilt ra ti on ,refers to a category of filter system s that use a filter m edia to separate fluids,either gaseous or liquid, from contam inants or other particle m aterials. T hishandbook w ill focus on m echanical filtering system s and their need for filterm edia. A s sh ow n in the F igure 1 opposite, there are m any types of f ilter m edia.Some are more or less reusable. Examples of reusab le m edia are sand andd ia toma ce ou s e arth u sed to filte r d rin kin g w ate r a nd sw imm in g p oo ls , o r w ov enm ed ia an d c lea na ble n ee dle pu nch ed n onwo ven s u se d in a ir filtra tio n. R e usa blem edia w ill be discussed in this handbook but w ill not be covered in detail. Thishandbook w ill focus o n w hat w e term disposable m edia. S everal technologiesd om in ate th e d is po sa ble filte r m e dia m a rk et, w h ic h in clu de p ap er, Wo ve n fa bric s,loose batting or hi-loft w adding and various nonwoven materials. M ores pe cific ally , th is h an db oo k w ill re view filte r m e dia th at is m a de o f fib ro us m e dia ,w hic h in clu de p ap er, fib er g la ss, n atu ra l a nd sy nth etic fib ers.

The disposable filter m edia m arket around the w orld has been grow ing4-5%per y ea r. InNorth Am erica , filte r m ed ia is e xp ec ted to m ain ta in a n a nn ual g ro wthrate of about 6% per year. D riving the grow th of fibrous m edia is the need torep la ce filters o n a re gu la r b asis a s th ey b ec om e lo acle d w tt\b t he c on tamin an tsth ey are s cre en in g. T he in cre as in g in du stria l a ctiv ity in No rth Ame ric a a nd o th erw orld regions have a direct im pact on the rising consum ption of filter m edia.A lso, the rising aw areness of governm en ts, environm ental agencies, industrya nd th e g en era l p ub lic fo r a c le an er, h ea lth ie r e nv iro nme nt is fo rc in g t he m c re as edu se o f filtra tio n in m a ny in du stria l p ro ce ss es . A fu rth er d riv in g fo rc e is th e g row in g. necessity of a clean air environ ment in m any advanced technology industries,s uc h a s e le ctr on ic s, medi ca l, p ha rmaceut ic al s, b io lo gi ca l r e se ar ch , n uc le ar e ne rg yin sta lla tio ns a nd o th ers .

T he filtra tio n in du stry is ex tremely b ro ad w ith m an y fo rm s o f f ilterin g sy stemsand filtration m edia. F igure 1 on the opposite page is an illustrated overview of

iii



th e m ech an ic al filtration in du stry a nd th e v ario us m ed ia u sed w hile fo cu ssin gon nonw oven m edia. T he term inology in Figure 1 w ill be explained later in thehandbook. Nonwovens cu rren tly h av e cap tu red alm ost h alf o f th e d ispo sa blefiltration m ed ia m ark et. T he comb in atio n o f g oo d p erform an ce an d ec on om icc ost is in crea sin g n onw ove ns' sh are o f t he to tal fib er m edia m arke t.

iv



WHERE FILTERS ARE USED

AutomotiveFuelEngi ne l ub ri ca ti ng o ilI nt er io r ( cab in )E ng in e a ir in ta keB ra ke s, p ow er stee rin gT ransm is si on f lu id s

Food & BeveragesBo ttl ed wa te r

C la rify in g W i ne , b ee r a nddist il led beveragesEd ib le o ils , c oo ki ng o il sMilkFood f lavor sS yrups: corn, m aple and otherfoodstuffs.H old in g tan k v en ts, a ir in tak esTea,coffeeSugar r ef in ingP ro ce ss in g g ra in p ro du ct s:s oy be an s, c orn

P owe r G e ne ra tio n In du stryWa te r in ta keEf fluen t wa terS te am gen er at or sDemineralizersCoo la nt wa te rSm ok e s ta ck emiss io ns

T ra nspo rt ati on I ndus tr yFue l, o il f il te rsIn te rio r a ir h an dlin g s ys tem sAir in takes

HomeSw imm in g p oo lFu rn ac e, a ir c ondi tio ni ngE xh au st fa nLaundryVacuum c le an er

Elect ron ic Indust ryW a te r p re -filtratio n an d p ostf il tr at ion and de ion iza tion

SolventsAc id , b as e solu ti on sSemi- conduc to r manu fac tu ringC l ea n ro om a ir filtra tio n

W a ter T re atm en t In du stryDesa l in iza t ionIn ta ke wa te r

Chemica l I ndust ryGene ra l p ro ce ss in du st ri esLiqu id detergen tsFab ri c coat ing s

Pape r c oa ti ng sPa in ts , tu rp en tin e, v ar so l

Dye s tu ff sP r in ti ng ink sMake -u p wa te rAdhesivesElect rop la t ing so lu t ionsCoatingsF lo ppy d is c c oa tin gsPhot og ra ph ic f ilm d ev el opmen t

Nucle ar Power Gene ra ti on

In te rio r a ir su pp ly an d e xh au stW a te r in ta ke a nd e fflu en tLub ri ca ti ng o il s

v .



, , ' "

Toile tr ie s a nd Co sme tic In du stryC la rif yin g c on ce ntr ate s u se d in

p ro du cts, su ch a s fru it ju ic esFina l f il te r ingOi l s ext rac t ion

P ulp an d P ape r In du stryL a rg e q ua ntitie s o f f ilte re d

w ater a re usedinbleacbmg,p ulp in g a nd wa sh in g.

Pha rmaceu ti ca l/B io log ic a l Indus tr ie sOphthalmicsOra l med ic a ti onsP ar en ta l f lu id sM a ke -u p w ate rC ultu re s and gro wth m ed iaS erum , se rum fra ctio ns

Vaccines

M i nin g a nd M i ne ra l P ro ce ss in gIn ta ke wa te rEffluentCoo l ing wa t er

Ce rn e n t/ Aspha lt P roduc tio nE xha ust air d ust rem ov al

vi

Documents

Nonwoven Filters Media