Specification for NH3, H2S, negative wet activated carbon cross flow

scrubber.

Overall dimensions of wet cross flow scrubber unit 10000mm/2000mm/2000mm high

Construction Materials used for wet scrubber

1. Base concrete slab

2. Wall’s Bessa blocks filled with concrete

3. Three part air tide fitted concrete covers

4. Internal walls, base and cover coated with epoxy resin

5. Spray bar fitted for additives, which are manufactured on site if required.

6. Inlet 1200mm diameter

7. Outlet 500 mm diameter

8. Activated Carbon components

9. Flow rate controller (Damper)

10. Drain pipe 50mm

11. Recirculation pump

12. Gas detector sensor on discharge

Extraction unit specification:

Type: Centrifugal Exhaust Fan

Capacity: Volume 1.68cubicmeter/sec

Velocity: 1.8 mtr/sec controlled

Power: Single phase 240 volts/ 7.5/3.1 Amp at 1440/950 rpm

Description of scrubbing process:

The NH3, H2S, being removed by the activated carbon absorption reaction.

Effectiveness cross flow negative wet scrubber for removal of odorous gases as follow:

Gas Scrubbing Efficiency, %/ppm

Prior of treatment after treatment NH3 100% / 450 ppm 3.5% / 16 ppm

H2S 100% / 68 ppm 5.8% / 4 ppm

Note: AR. Clark PTY/LTD reserves the right to change without notice specification or add additional

equipment for further emission control as instructed by their Consultant. The information and specification

are made for the wet scrubber located in West Wyalong, Ungarie Road and can not to be used or forward

without the consent given in writing by A.R. Clark PTY/LTD.

Press Release Date: 17.10.2002

AR. Clark P/L Export Natural Sausages Casings of Australia

To the community of West Wyalong and Staff of AR. Clark P/L

AR. Clark P/L would like to take the opportunity to inform the community of West Wyalong and

staff of AR. Clark P/L, by summarizing the ongoing updating commitments of AR. Clark P/L at

West Wyalong plant operation.

1. AR. Clark P/L has been operating in West Wyalong for 10 years now and is the

largest producer of natural sausage casings in Australia.

2. AR. Clark P/L currently employs 53 people and 26 people are provider of their families,

the annual remuneration is in excess of to $2,000.000 in salaries per annum.

3. AR. Clark P/L commitment and policy is to engage subcontractors from West Wyalong

and surrounding areas only. The annual cost, which is an ongoing commitment to

improving Buildings, Work place, Sausages Casing Machinery and Biological Treatment

Plant, is approximate $1,450.000 per annum. In addition AR. Clark P/L acquires from

local abattoirs raw materials to the value of

$1,250.000 per annum.

4. Because of the mandatory requirements of the Australian Quarantine Inspection Service

(Meat Inspection Division) and the Authorities overseas and our client’s. AR. Clark P/L

has to comply with the processing requirements of natural sausages casings on three

monthly basis. Therefore the ongoing development and improvement works are

necessary to comply with our Export license. At present AR. Clark P/L has tendered out

to local subcontractors a building project for the Biological Treatment Plant, which will

be built in the next few months, in conjunction with new sausage casing processing

machinery to a total estimated cost of $ 850,000.

5. Because of the above-mentioned requirements AR. Clark P/L has to continually upgrade

the Biological Treatment Plant as well, to improve and further minimize any possible

emission originating from the plant. Currently, mechanical Biological effluent treatment

apparatus is being built in West Wyalong and the estimated cost for the upgrade works is

$ 650,000.

AR. Clark P/L is in the process of establishing a telephone hotline to serve the community of

West Wyalong for feedback and information purposes.

AR. Clark P/L would like to thank the community of West Wyalong and their staff for their

continued support.

On Behalf of AR. Clark P/L

Oswald K Puschner

Poly Technics Environmental Science P/L