Diesel-exhaust gas filter

Ridge, May 1995,

Proceedings

185-133.

5. Fain D.E. et al. Ceramic temperature of 7th

hydrogen

Annual

Materials,

membranes

separation.

Conference

on Fossil

and

D.E.

Roenger

membranes

for

separation.

proceedings

Conference

high

of

on Fossil

Ridge, May 1996,

Energy

107-I

hydrogen

of 11 th Annual Materials,

Oak

membranes

Conference

for high

Proceedings

on Fossil

and

Roengel-

using

Oak

This article is based oii a paper entitled “Research on

Ridge,

Ma);

10. Roenger

G.E. and Fain D.E. Effects of leaks

membranes.

performance

of nano pore size

KiTSO-24,

Systems

Lockheed

Inc, Oak Ridge,

Applicant:

1996.

contact:

USA, October

Director, inorganic Membrane Technology Laboratory,

are

leaching

anµbial

fouling

and

include

the

polymeric

material

agent incorporared layer which

may

material

uses thin-film

acetate. composite

polysulfone

brtween

a reinforcing

polyamide

also includes

material.

a rl-earment

semi-permeable

membranes,

m av.,

The

of flat and

and polyvinylidene

be and microhltrarion.

ultrafiltration

The

with the anti-microbial

fabric and an ultra-thin

membranes

is

distributed

material.

in a micro-porous

polysulfonc

and a that

bc cellulose

is sandwiched

hollow-fibre

bioThe

agent

polymeric

membranes,

invention

to prevent

a polymeric

embodiment

polyamide

from .1 non-

breakthrough.

into and homogeneously

rhroughout Another

agent

with

anri-microbial

incorporated

separating

pressure

made fluoride.

used

in

RO,

across

rhe

cathode

at less than

chamber,

atmospheric

while a potential and

of

A treatment

contaminants

process is described

concentration a volume

of waste-water.

primar\ treatment adding

of pathogenic treatment

facility,

facility,

an equalisation

Inventor: A.S Patil

membrane

passed

of the pathogenic

This invention containing retenrate

Process

dissolved

is subjected

Technologies,

multivalent

ro membrane

is subjected

To remove filtration.

a feed

contaminants The

to a precipitation

a filter

than about

first

process,

used is constructed

cloth 50.0”0

to further

retentate

channelled

to the firsr retentate,

and second

permeates

membrane

is recycled

and

and the first

are discharged.

from J random-

2000

Oil removal invention

& Gamble,

of oil removal

The oil is first absorbed

and into a

with inlet and outlet

regions.

of the bulk

A relarively aqueous

of aqueous salt solutions

Sterilox

Medical

concenrrartzd

salt solution

(Europe),

UK

and a relatively are respectively

Membrane Technology No. 120

material

through

removed

from

material. has

dilute passed

100

an pm,

transported

The

a membrane. the outlet

membrane

average so

region

pore that

through

of the bulk

used for this process size

the

The

The oil is rhen

region

oil

nor ir

greater

than

K. Spranger

Diesel-exhaust

gas filter

Applicant: Silentor

Notox,

Denmark

A filter device

for filtering

diesel-engine

exhaust

described

hoot particles gases

from

comprises

is

here. It is made up of a casing,

structure

filter

hod!

-

-

\uch

wall flow filter--hod!, ‘4 membrane

fibres, with a smaller body,

is applied

of

honeycomb

made

n&e

and a

preferably

.IS a

from

from

Sic

particles

pore size than

to rhe gas outlet

the side

surfaces

of the filter body. ‘4 caralytically

active

coating

is applied

of the

on, and in rhe interior as a wash coating.

into

membrane particles which

applied

has relatively

removed with

to outlet surfaces,

to travel into rhc inrerior through

The

the catalysr

the

allows soot of the filter,

large pores? where they are decomposition

deposited

by contact

in rhe filter

body.

Because of the small pore \iTe of the membrane on the outlet small

soot

side,

particles.

the filter

trapped

soot

can remove

.md because

active area, where an oxidarion

continuously

the membrane

to

the initial

design of the filter body, with the small pore size

USA

is a method

structures,

during

13 Ianuary 2000

Publicatiorr date:

filter body, for example

Procter

from the

has a surface

00/O 14.1’

Inventors: R. Simmorelt,

particles.

into the inlet

Treatment

incressr

and serves

phase of blood processing.

carbide

bulk material

Applicant:

structure

which structure

CO,

of polyprptide

Patent number: WO

porous

oil is passed

2000

membrane

silicon

Inventors: D.H.

date: 6 January

The

shaped

Patent number: WO 00100273 l’ubhtion

with blood,

to and remove

a pressure

filter

transportation.

Green, J. Meuller

into contact oxygen

composed

and/or

This

membrane

prevent

Inventor: l?A. Hughes

Applicant;

Germany

an oxygenator

a hydrophobic

less than

felt.

date: 6 January

Medizintechnik,

coating

Patent number: WO 00100436 Publication

D.P.

2000

describes

‘The filter cloth

micro-organisms,

web needle polyester

wasre-

of the contaminants.

is subjected

The second

membrane

USA

in which

filrration.

a large portion

The supernate

greater

hl. Schmidt,

V[‘nuk

and

of wastr-

vessel. The

10 pm in size, and is disinfected.

covers a process

stage,

agent, such as

through

to separate

a

secondary

to the volume

i\ then

in

includes

a

an agglomerate-promoting chemical,

the

micro-organisms

The process

water

sulfate

USA for reducing

and

region of

with surface coating

invention

ro supply

Systems,

material,

ookNm?

A.J.

Oxygenator

2000

microbial

bulk

from the ourlet

into a rcervoir. WO

Applicant: Jostra

the anode

blood.

Removing

rhe

datr: 6 Januart-

that comes

Pdtent number: WO 00/002(>8

Removing

lbbliratiorl

A.Y. I’opov, D.A. I’opo\

Applicant: Aqua-Aerobic

+ I 20.1 853

a

Inventox

date: 6 January

of

Gruenbacher,

comprises

Publication

I9

B.J. Ehrnsprrger.

Patent number: WO 00/00433

in an agglomeration

Applicant: H.W.

avoids

IK4.

removed

Patent rumber:

This

a coagulant

2000

region

Inventors:

electrolysis

especlall!

inlet

chamber.

water

Publicatiorz date: 6 January

gaseous

in the chambers,

ib

ih applied

This

CT 06855,

Fax: +I 203 85.3 O..i+X.

the bulk material

The

pressure

difference

For more information,

BCC Inc, 25 Van Zap/t Street,

continuously

in the anode

cathode.

build-up

product.\

of a

chamber

the fluid pressure

the anode

dangerous

chambers

4266

cell wirh a porous

the two chambers.

in

and at less than made

treated

bacterial

non-leaching

USA

membranes

polymers

membranes

membrane fluid

and cathode

electrochemical

maintained

semi-permeable

synthetic

the anode

Membrane

TechnologylSparatior~~ I’lirnmrrg Conference that December I998

membranes.

semi-permeable

membranes’: xhicb

Company (BCC) Iw; I?th htnud

Norwalk,

through

Products,

technology with inol;@c

was held ix Newton, Masx~cirusettx, LISA during

Martin

For more information, contact: Douglas E. Fain,

flow-through

Microban

and development 012h)~drogen ~t’paratiotl

K-25 Site, Oak

Hydrogen

O.E.

inorganic

Anti-microbial membranes

The

Conference

was presented at Business ~,~mmunications

Ridge, Tennessee,

Patents

with

Annual

Materials,

for

separation.

Oak Ridge, May 1997, 225-2.34. D.E.

production

Here

of 12th

Energy

Energy

Energy

Bechtel Jacobs Company, East Tennessee Technology Park, Oak Ridge, TN 37831, USA.Tel: +I 865 574 9932,

1994.

membranes

hydrogen

on gas separation

separation.

on Fossil

May

1938,225-234.

16.

7. Fain D.E. et al. Ceramic temperature

Fossil

Annual

Marerials,

Ridge,

Pt nl. Ceramic

D.E.

temperature

Proceedings

hydrogen

10th

Conference

Oak

Fax: +I 865 576 2930.

high C‘eramic

temperature

of 8th Annual

Materials,

9. Fain

Energy

O.F.

Energy 51-61.

Proceedings

Oak Ridge, May 1993, 5 I-60.

6. Fain

8. Fain

for high

cdn interact.

very

of the large

catalysr

and the

rhe remperature

at

0

RO device ‘I hc invention device

relates

for

osmosis.

desalting

to ‘I low consumption

Pulse-jet filter bag

sea

Applicmi:

\vdtet-

l‘hr device comprises

rlrmcnt

to .1ctuate

membrane.

the

inlet for the pumped \v.lter. A hvdt-aulic outlet

of thr

motor

energy

the pump,

allowing

includes

which

RO

with an are

I”1 FE-conraining

to the from

the

the Ile

cfmift’

Cooling fuel-cell stacks Ap,~li~zwt: BG Plc, UK In the

is cased for actuating of d low-power

proton-exchange

described

membrane

hel-e, coolant

conduit\

fuel

1110101.

rhar follow the reactLmt gas flow-paths \ide of the membrane formed

.A hollow-fibre exchange

membrane

between

ptent.

One

mcmb~-ane.

Flows

have multiple

the boundary

.Isxmbly

and

proruherances

for

is preferably

Currently

l~wwtois: WJ. Federspiel,

for

B. HattIer

l’riblicntrouhr~: 13January 2000

dissolving

the

containing

alkali

osidising

dnd/or

The

unit,

sulfate.

alkali

around ,Ilkali

regenerating

that

the

\uch

a> gold.

impuritic\

.,rr

polymer

clectl-olytc

\vhich

means

a

kmt is

in an

and around can be

to form J stack of

of a bipolar

asacmbliec, plate

and a

can be used in PEM

unir,

electrolytic

relatively

cells.

th.l; they can be used in mobile

number:WI 00102277 1.3january 2000

minimal in

compound to such in

Composite Applicmt:

a

Composite manufacturing

and

them

are disclosed

process in the

membranes

include

carried

particulare

materi,

out

precious

matrix.

layer with

erc. .separared

and/or out

J polymeric

randomly

here.

and a

within

surface

may find particular and appararus

The

matrix

may also include spaced

for

the J skin

pores. The

application

for removing

in

organic

lied water, and to

watch.

required

It

also

for

involve\

from the rnembranc

Honremp\ PI1hlicntim che.

2’ jdnuarv

2000

Cleaning fouled membranes Desalination Systems, USA

ripplirmlt:

!3e.lvily

fouled

ccpx~rion

hem-permeable

devices,

or nanofilrration

mrmbrane

cartridge\,

L.111be cleaned

iitu in ,tn effective and efficient manner solution

containing

chelating

agent. scaled

rhat

calcium

\ult’atr

so thar they have doubled and

with

a solution

15% sodium

chloride

the cleaning cartridges

Ii cm/s for

of about

by about

through

rhe

of‘ i--IO

wirh pcl-iods

of

min. ‘l’hih

of quiescent

three rimes as long. -1’rearmenr for 2-4

salt rejection

x)lution

periocis

conditions

weight,

cleaned

containing

dt an .ixi.d flow velocity

to

original

been

and ‘Ibout 0.5 % ELXA.

in this manner Opel-ating

have

or the likr,

their origin31 weight,

efficiently

by pumping

soaking

iw

using J

an .dkali metal halide plus a Cutridge\

with

effectively

RO

such .IS spirally-wound

pt-ocess is alternated

methods

immobilised

The membrane

membranes methods

USA

membranes

to membrane high flow-rate

tlow-rate

the water dcnved

an

htrrrt 1/11Iti6YI... vi/o 00/03792 lI//mmn; 11 Saux, 1:M. Espen,m. J.C.

about

Baxter International,

is the

membranes

for currenrly

reduced

and

It involve5

to RO.

membrane

low

the relarivcly

qualiry

treatment

1~2I’PP~~OT: I? l&c ham, i’uhiicirtio~r dote:

rhc

heavily

lightweight.

,I method tre.~tment.

rhe bearer ro hc treated

subjecting

are

solution,

palladium

is

bead on the

fuel cells. These

drc

a

devices.

The

pt-efcrabl!

together

rhe

with

assemblies

fuel cells and in cot-responding

and/or agent.

These

are composed

in the alkali cyanide silver,

orher.

and bonded

and

assembly

an adhesive

~JS duct\.

the

method

are bonded

ot the gas chamber

stdcked which

plate

unit

by ‘Ipplying

periphery

and

A gas-proof

at least an

process be

can

of each

dissolved

outer

electrode covers a sealing

bipolar

polymer.

,~ssemblies

is stable

dissolurion

cell.

independently metals

solution

A

‘I hc\c

resulting

chemicals,

unir. dnd the oxidising

electrolyric

cells.

in a

requires

costs. If a nitro-aromaric

dissolution

material

oxidising

of

the

membr,lne-rlecrr(~de

solution

in n closed circuit

quantities

degree

salt-

dnd for obtaining

cell. ‘l‘he method

the oxidised

by

containing

contain

electrolytic recycling

d

metaborate

the

oxidiscd

in

cyanide the

compound.

clccrrolytically

material

solurion

and should in

nitro-at-oniaric

used,

for detaching

metals

cyanide

flows

di.\solution alkali

precious

agents.

continuously

furl

obrained in Berlin

metal lavcrs ft-om ‘I coated

water

to provide

filtration

bur a small space always

This patent

the inner a method

concern\

for

improved

of fuel cells are sealed

pressux, between

;ul-able

GmbH, Germany precious

Scientifics, USA

memhr~~ne-electrode

precious metals

describes

Polymen, France

invention

provide

gas chambers

CJ~ bc

,1 filtcl- Oag for- use in pulse-iei

Water treatment ‘l‘hc

Fuel-cell seals

by applying

I 5 ahpk

about

filter- .Ipplic.xiom.

Apphmt:

the membrane

I.yi-s.

Applictrxt: Manhattan

0.5 mil. ‘l’hc woven fabric

and ‘Ihour 30 espy. The I.unin,ltK, product

\ubjccring

remains

OberflPchentechnik

has n weighr ofberwyen

which i\ required

exterior

membrane

&n

to provide

0.01

g.iuge, and a thickness

of greater

filtration

membrane.

‘I his patent

can

that pass

a

used in .I blood oxygenator.

Recovering

conduirs

of this

through

Jbour

mcmhrx~e

of at /cast

fuel

conduits

through

-I’ll<

)idTI1.

at 0.5 inch wxcr

installarion

/)NtmtHilii/bc):.VI’0 00/o 1472

Applicn/~t: OTB

coolant

P’I‘Ft

adjacent

gas

layer of one of the two

fluids. ‘l’he hollow-fihre

between

l‘hex

which

and are

layers of consecutive

rhe need for coolant

electrode

on either

assembly

here,

expanded

has an air permeability

preferably xwn

fluid flows around

‘l‘he membrane’

surfaces

disrupting

fluid5

interface

in the stack dimension

for increasing

while the second

the membrane. interior

eliminarr

two fluids is the subject

of the

the

\cpat-ator

cells in the sLxk.

University of Pittsburgh, USA

Appl~cmt:

in

conracting

electrode

cell

are provided

i’irtmt i/?fii//m..wo 001014’1 li,umtor: A.(:. Pares I’~ih/ic-~7tioii&ztr,: 13 january 2000

Improving transport from hollow-fibre membranes

i\ dixu~sed

.md J second layer of woven fabric of

preferably

by the membrane,

product

a first layer of porous

membrane,

and for rejected

to obtain,

water rejected

mrchanic.tl

an

and

is connected

membr.tne

of the

pressure

A Iamin.ltc

waccr. Outlets

water

Donaldson, USA

a motor

is provided

salted

for the treated

reverse

a pump,

pump,

‘r‘hc membrane

provided

by

originai

h returns

rhe cartridges

approaching

their

w,ctet- Ilux and original

characteristics.

htrwt r/umberwo 00/0.37’~1 lnl’rwtoor:LA. Lien I’ubiicntim

d‘ztf: 27 January

2000

Membrane Technology No. 120