Zenon awarded US$3 million contract for UF water-treatment facility

Zenon awarded US$3 million contract for UF water-treatment facility

Calgon comments on proposed sale Zenon awarded US$3 million contract for UF water-treatment facility Zenon Environmental of Burlington, accumulatio...

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Calgon comments on proposed sale

Zenon awarded US$3 million contract for UF water-treatment facility Zenon Environmental

of Burlington,

accumulation,

million

discontinued

because

1998,

the well-field

has been awarded

contract

to build what it claims is the largest

NSF-certified,

ultrafiltration

equipped water-treatment Specifically manganese, million

drinking

Seekonk,

million

waler

gallons)

to

it was

saya

trealmenr

rhat

after

which

proccs\es.

ZeeWeed

rhr

membrane

a number

district

tiltratlon

removing

of

chose

sysrern

irs

Water Disrrlcr

purchase\

and

water

wells which during

earl!-

5%

other

supplier.

are inactive.

rhe

and

barrier

bacteria

from

sysrem.

while

manganese

from

the

rhe technology

ro reuse

rhe

ranks,

will also allow rhe

“bleed”

bringing

water

from

the efficiency

the

of the

98% and 99%.

t&ll

a

Ir has two orher

One was raken off-line

1980s

because

at DaimlerChrysler

are using membrane aluminium

of

algae

Aerospace

technology

AG

to separate

ions from water, and then reusing

Large metal coating,

to rhe company,

membrane

consists

,+ltnost

entirely

xienrists

are

A cylinder

lorared

“superimposed”

This applies sufficient to

allow

rhe

is

channels.

basins is pumped water

the offer

share.

In 1999

Calgon

(Lrbon

per

announced

a

to “renew irs value ~5 a leader”, and the

changes involved are under way. Ir says “[his move by Norit

is another

company”.

avenue

ro resrrucrure

These changes arc expected

their

ro be good

in rhe long rerm for rhe entire ind&ry.

Ontario L7N 3P3, Canada. Tel: +l 905 639 6320, Fax:

15205, USA. Tel: +l 412 787 6700, Fax: +l 412 787

+l 905 639 1812.

451 I.

from

ions.

dip-ided Waste-water

from

rhe

inro

two

to the membrane

molecules

ISSN 0958-2118 /00/$20.00

to

rhe tiny pores in the material, larger aluminium

Contents

The purified and

accumulates

channel

basin

rhrough

losr

to introduce

the

end

says that

during

membrane factory

Germany.

recovered

further

permeate

a pipe.

in II are orotected

of

5

rach it is

Patents

13

The aluminium

Events Calendar

15

process

ResearchTrends

16

2001

will be sufficienr

metal panels wirh a prorecrive

on

in Bremen, using

rhr

to cover coating.

For more information, contact: DaimlerChrysler Aerospace AG, Postfach 80 11 09, D-81 663 Mbnchen, Germany. Tel: +49 89 607 0, Fax: +49 89 607 26 481.

under copyrlght

Microfittration of starch suspensionsusing a tlvbular stainless steel membrane

Mixed gas ogy usinginotgwrk membranes 9

ions

Cg,2000 Elsevier Science Ltd. All rights reserved

This journal and the mb~vidual con’rlbutinn‘ccntalned apply to thw use

1

are

separation

a large scale at rhe Airbus separation

ions

rhese

and aluminium at

News

procedure.

DaimlerChrysler planning

of aluminium and

the waste-water

irretrievably

process.

increases.

to rhe reaction

galvanisation

in rhe lower

for rhe rinsing

rhr concenrration

in rhe upper returned

water is reused

bur nor

ions.

from the

into the upper channel. pressure

through

were a

in rhe waste

downstream

proces\

basis,

would value CCC’s shares in excess of US$l2

For more information, contact: Calgon Carbon

Previously,

tank separates rhe tiny water molecules

from the relatively large aluminium

rinsing

of

iusing

to sepal-are rhis active substance

galvanisation

on a relative

in

According

Corporation, 400 Calgon Carbon Drive, Pittsburgh, PA

Meanwhile,

pollutant.

now

t-he water. Like a sici’r, the membrane rinse-water

gigantic

acquire a shiny silver

in the water ai a hazardous

company‘s

husiness.

For more information, contact: Zenon

channel

ions. After Irinsing, surplus aluminium

ions remain ‘I‘he

in thy company‘s

basin gradually

which

aluminium

panels

offer by Gilde for rhe

Environmental Inc, 845 Harrington Court, Burlington,

the considerably

the reclaimed metal product and the water. galvanisat-ion

the

NV by Gilde

BV.

the air and warer puritication

Membrane recovers aluminium and water for reuse Scientists

regarding

shares of Norir affirm.\ rhc v.Jue of companies

strategy

plant to berween

obtains

and

of Norit

Ir says t-hat the premium

were

a physical

purchase

has and

from four active wells,

rhc

neighbouring

currenrly

offer

distribution

iron

In addition, membrane

95% of its water directly

membranes

Corporation

from customers

community

Investment Management

warer source. disrricr

to treat

rhe waler supply. The Seekonk

rhe

the investment

future

parasites

rhe warer

Carbon

to enquiries

of any

Ginrdin conraminarion.

they

prevents

entering

rhis.

Calgon

potential

irs ZeeWeed

decades.

rhe

because

responded proposed

Zenon selected

US-based

to be

and

of

in bl

needed

Cryptosporidium days that

was

rains. Following

protected

per day of

other

rhe water

and

Iwo

resring

that

from

rhe

was inundated

16.3

communiry

nearly

realised

of

iron

‘I’his area has been

for

when

use

of an E. cnli ourbreak

flood water from torrential

high levels of iron and manganese

in irs groundwatcr Zenon

the

while

some

10 remove will provide

Massachusetts.

experiencing

(UF), membrane-

facility in the US.

designed rhe facility

lirreh (4.3

clean

a US$3

Ontario,

Canada

by Elsevler Science Ltd. and the iallow~-lr; terms and c,)ndil’ons

Photocopying Single photocopIes 01single articles may be made for personal use as allowed by national copyrIght laws Permission of the pubhsher ano payment 01aiee IS required tar all other photocopyIng. Including multIpIe or sysiematlc copying, copying for advertlslng or promotional purposes, resale and all forms of document dellvery Special rates aip awlable ior educational mstltullons that wish to make pholocopies for non-pro111educational classroom use