Separation systems, membrane modules, filter elements and methods for making filter elements

commercial

Gene Important in Toxic Waste Removal Researchers California, discovered plants detoxify

filters

installed. Contact:

%rftec

have

been

Ltd, Particulate

Filtration 7kchnology, The Technology Centre, Glaisher Drive, Wolverhampton Itilverhampton

at the University of San Diego have a gene that gives

the powerful ability heavy metals that

Tel: i-44 Fax: +44

to are

Science Park, WV1 0 9R@ UK.

1902 424600; 1902 310515.

hazardous to human hlealth and the environment. More than a decade ago,

High Efficiency Air Filter research

researchers plants produce

filter

phytochelatins bind and toxic

discovered peptides that

detoxify

metals

mercury Phytochelatins accumulation peptide-metal

such and of mix

that called

naturally dangerous as

lead,

the bonded in the leaves

uncovering the genetic source of phytochelatins, called “phytothe

of gene families such as an effort to boost the

ability of plants at hazardous

to detoxify metals waste sites. The

researchers believe that discovery of PCS is important

the for

genetic engineering of plants improve the potential bioremediation.

All Metal

to of

Bag

Filter Parftec Ltd, UK has harnessed the dust cake building characteristics of readily available, mesh to produce patented “bag filter”.

inexpensive a unique,

The filtration efficiency has been proved to match that of the conventional bag filter. With

Filtration

the

cadmium. mediate the

chelatins synthase” or PCS. Researchers have sought

high-efficiency media

standard doesn’t

of the plant, where they can be safely harvested. Biologists at UCSD have now succeeded in

identities PCS in

Retrofitting

& Separation

into

existing

air filtration devices necessarily mean that

filters

will

efficiently

operate

according

more

to a study

at Ohio State University, USA. At high airspeeds, dust particles metal mesh elements this filter can comfortably operate at

Parftec internal,

has incorporated powered flow

elevated T.

which controlled

is

automatic procedure.

PLC

temperature, up to 640 Using monofilament

synthetic technology to blind temperature The

process

mesh bags can guarantee when wet dust

handling or sticky readily

this never low dust. bridges

as

activated part

of

cascade

cleaning

and the

can provide filtration

lower

high at

capital cost than

the open pore mesh apertures. The resultant filter cake is very

present alternatives. the robust mesh

stable under steady state or varying process flow conditions and is sufficiently vulnerable to

never blind, they will have extended operational life and will also dramatically reduce ongoing

the simple pulse jet cleaning process to guarantee against any possibility of blinding.

maintenance Further, by using

The heart of this patented technology is the provision of two stage filtration for the just cleaned elements until such time as a full reestablished.

filter cake is To facilitate this,

the filter configuration to a multichamber

is similar bag filter

designed for off-line cleaning. The significant difference is that to provide the two stage process

or other contaminants can build up on the front of a filter that utilizes

retrofitted

efficiency spreadin filter.

The KN filter temperature substantially

an circuit

In addition, elements will

expenditure. this technology

incorporating synthetic mesh, the filter can provide an inexpensive

Also,

will have blowing material

smaller

and

air. of

and other air-filtering can avoid this effect

running speeds

their products at lower or increasing the size of

the filter according research study. The results

their products. estimated the

alternative system, wet scrubbing. All aspects of the technology have been uniquely developed, independently proved and extensively and successfully tested by

British

Steel.

A

number

of

through However, vacuum

cleaners devices

sludge handling

the

particles chance of the filter

escaping

the exhaust manufacturers

semi dry system for the wet and sticky dust application, thus eliminating the necessity for the with

instead of the whole

a higher through

implications of vacuum

associated

high

materials, g through

add

through

to

by

the

of the study

hold

for manufacturers cleaners who want

high-efficiency

to

Researchers typical airspeed

a vacuum

cleaner

at approximately minute, much too

filter

15 feet per fast for new

high efficiency filter operate efficiently.

September

to

filters

material

1999

to

29