Membrane filtration manifold

The

removal

catalyst,

of hydrogen

contained

within

can lead to coking

from

the bed of

rhe membrane

of the catalyst

Gryaznov,

hydrogen

composite

addition

I’d membranes

favourable

and should

can provide

for selective

be applicable

high-value

by means

of

of

ceramic

European

Commission,

for much

of the work reported

which

Council

and the

formed

the basis

32(12)

membrane

7. Kikuchi,

permeation

3.

reactors

pattern:

oxidarive

coupling,

of

membranes

Chem.

formed

chemical

application

to methane

Eng.

Ref.

C;azSep. & Defect-free

srainless-steel

Thin

in support vapor

deposition

co hydrogen

separation,

10.

Patents

Xomerirakis,

G.

by metal-

method

and

Znd & Eng

ing71(7)

and

et al. (1995)

E.N.

from coal gasification

a catalytic

membrane

Lin,

Y.S.

(1996)

2000

date: 26 October

This invention composire components

is initially

precursor. the

relates to methods

membranes

precursor desired

turbid

provided

comprising

to obtain

property.

precursor

permits

to be joined

the

processes

ion-conducting to an ion-conducting inert

conducting

form.

suspension

The

a solurion the

inert

of a porous,

essentially

polymer,

a non-ion-conducting

Membrane

ionby

polymer.

Hughes, Chemical

Engineering

inert

polymer.

The

Technology

No. 131

precursor membrane.

to physical bundle,

module,

method

can

during

physical

clogging

of openings

filtration

fibre-like

product

bringing conracr

the wirh

and

bundles

of semi-permeable

Publication

hollow

product

Applicant:

from

membrane

filtration

sub-module

collar

filtration

apparatus one

or

further

manifold

solidifying,

and

to rhe orher

N. Suga

manifold

more

includes

of the

elongared fibres.

a membrane to one

(but can also be which

is also

end of the filter

G.W. Stollery,

D.J. Cox, R.J. Mcmahon, date: 26 October

is a

a filter

is connected

a base-piece,

Inventors: W.T. Johnson,

sub-

B.G.

D. Wood,

2000

or Applicant:

2000

locking

polymeric

which

removed)

Gas filtration

state.

rhe

including

sub-module

connected

Bilroft,

and

at

is adapted

the collar. Also disclosed

wirh

apparatus

locking

axial withdrawal

of semi-permeable

Publication

and

USF Filtration & Separations

Group, USA

rhe

to prevent

sub-module

This

streams, cleaners. media

medium

Gore Enterprise Holdings, USA

invention

which filtration

Membrane filtration

both

formation

L.K. Ernst.

A melted is rhen

to engage

into

under

a

one end to the collar by a clip, which

specific

fluid

T. Otoyo,

date: 26 October

with

Patent number: WO OOl62908

spinneret,

to receive and

the sub-module can be secured

by a

a hollow

Patent number: WO 00163122 Inventors; T Taniguchi,

sleeve

The sub-module

is prepared

a double

it in a rocking

where

connecting

end of rhe filter

and hence

The manifold

The collar is adapted

module.

from

coagulating,

a

or more polymeric

collar which is locked inro

rhe sub-module,

formation.

one

of rhis parent.

The

exrruding

cooling

of

for connecting

including

operation.

bundle

extruded

rhe

preventing

involves

a pulsating

has

The

of a membrane

filtering

and These

to reduce

locate

manifold

sub-module,

a connecting

bundles

in this method.

in rhe surface,

membrane

which

A hollow-

a hollow-fibre

surface

cleaning,

a stable

form’.

membrane

cleaning.

be employed

co the outer

method

is filtered

rhe membrane’s

are used

damage

achieving

particles

with an outer

and

and

can also be used to fill rhe pores of rhe

to form a composire

is fed from

membrane

membrane

membrane

side. The hollow-fibre

is then subjected

Unit, University

salford.ac.uk

the housing. is

in that

fine

mm and a ‘waved

conditions,

comprising

precursor.

warer

water

component,

and

onro the pore walls inerr

turbid

hollow-fibre

the non-

of rhe precursor

pores are then filled with a solution

porous,

wirh an

of the precursor

the precursor

cooled

by

rhe

of 0.5-3.1

The a

may also be achieved

impregnating

precursor

The

composite

into

The mixing

of

bond.

a hollow-fibre

fibre

of

fabricating

to transform

polymer

co-precipitating

a

polymer

polymer.

and the inert polymer

rhe

or other

a non-ion-conducting

is rhen processed

ion-conducting

of

through diameter The

turbid

is characterised

an inorganic

circumference

membrane

precursor

a

pieces

achieve

and

essentially

a

on rhe ‘meltability’

melting

material

with

by welding

encompasses

mixing

rhe

of a thermoplastic

separate

to

also

reinforced,

a membrane

relying

components

invention

comprising

co transform

Inclusion

membrane rhermal

material,

is processed

and

in the form of a

Ind. & Eng. Chem.

Salford, Salford M5 4WT, UK. Tel: +44 161 295 5000,

elongated

Industry Co, Japan

containing

water,

of

by using

For more information, contact: Professor R.

includes

purifying

The invention

where at least one of the

The composite

precursor,

described.

of fabricating

for

reactor,

Elimination streams

3777-3783.

a filter

method

(1992) Process-

ammonia

A membrane

A

G.F.

69.

Patent number: WO 00163995

Applicant: Asahi Chemical

Inc, USA

Lynntech

coupled

Hydrocarbon

Froment,

analyzed,

fibres, is the subject

Applicant:

dehydrogen-

reactor

Fax: +44 161 295 5380, Email: r.hughesQchemistry.

and

Purifying turbid water

Making a composite membrane

Ethane

membrane

E.S.

reforming

Inventor: A.J. Cisar Publication

44(l)

palladium

pores

Chem. Res. 33(3) 616-6622.

Sri. 49(24A)

4749-4757.

13. Wagner,

Res. 34(11)

310-322.

et al. (1994)

S.

AZChEJ

2311-2319.

S. (1991)

on porous

44(2)

membranes,

of thin

palladiumChem.

P.I? et al. (1998)

Sri. CVD

properties

E. et al. (1995)

14. Gobina,

AZChEj.

Yan,

G. and Lin, Y.-S. (1998)

in a catalytic

Steam

E. and Uemiya,

membrane organic

with a non-uniform

Application

& Eng.

by

1. Membrane

with a reactive sweep gas, Cbem. Eng. Sci. 50(14)

3006-3013.

palladium

Development

Ind.

substrate

Preparation

of a composite

membrane,

support,

deposition,

and gas permeation

12. Gobina, ation

J.P. and Way, J.D. (1993)

8. Mardilovich,

(1994)

Sep. &

P&J? 5 26 1.

here, is gratefully

acknowledged.

References 1. Coronas, J. et al.

defects,

membrane

ceramic

174-183.

of a I’d/a-AllO,

containing

palladium

261-272.

synthesis

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113-119.

and characterization

of the UK Engineering

vapor

120(2)

Germany,

A. (1995)

Repair

membrane

The

Research

chemical

Engineering

palladium/alumina

Tecbnol. 15(2)

Acknowledgments

of a thin in a porous

11. Xomerirakis,

K.L. and Varma

6. Collins,

Sciences

Surface

2000.

composite

Fabrication supported

5. Li, A. et al. (1999) Pw;f

and Physical

Metals

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for the production

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Platinum

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chemicals.

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Review 36(2) 70.

reactor,

covers

an improved

material

may be used as a filter medium systems,

such

and commercial The support

filter

or residential

material

which

for gas

as for industrial comprises

is bonded

gas

vacuum a filter

to a porous

0