Removing microbial contaminants

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