STATE OF THE ART DEINKING PLANT 400-450 BDT/DAY RECYCLED DEINKED PULP PLANT

“Very efficient plant for white pulp” “Best available technology included” “Able to produce high end pulp as bright as virgin pulp or produce printing & writing pulp or tissue pulp with heavily contaminated waste papers” “We can help you to adapt this plant to other type of pulp and start this plant in your factory”

The plant was started in 2002 and is designed to produce 400-450 BDT per day of a high grade pulp. The design of this line is unique and efficient and can be considered as a state of the art plant.

Pulp quality : The plant was designed to produce a high quality pulp, as bright as bleached virgin kraft pulp (over 94 D65 %iso). This is the highest quality of recycled pulp available for high quality printing grades or tissue paper. Nevertheless, it is possible to produce lower grades (newsprint, packaging board, …). To produce such grades, our pulp & paper engineering specialists will redesign the plant for you. A data sheet of the pulp produced by this mill is joined to this document. A final ash level under 4% is reachable.

Waste Paper quality : Normally papermakers use high grade waste papers (mainly office waste) to produce such high quality pulp. This plant technology allows to produce this pulp using also common grades like household collect, old magazines, … or special grades like Wet strength waste paper, release liner, …

Material : All parts in contact with the water or pulp is in stainless steel 316L or 304L.

Main suppliers : -

Most of the equipment for the pulp recycling were supplied by METSO or VOITH. The pumps are from AHLSTROM. The motors are from SIEMENS. Specific sensors are from METSO or BTG. DCS is from METSO (DNA METSO).

Pulp drying and baling line : A second hand equipment able to dry and produce conventional bales of pulp is also available.

cyclons HC 200 & 300 T

slots 12/100e or 10/100e

steam

40 C / 65 m3

R

holes 1,6 mm

TIC

Chemicals C

A

L R

270 m3

L

R

L

750 m3

A

A

C

slots 10/100e

A R

flotation I

flotation II

B

T

MC Tower T

pulp bales

HC tower

C

C

P

P

HC tower

B

T B B

kneader

DAF

LIST OF MAIN EQUIPMENTS : Start-up date : 2002 Material : Stainless steel 316 L or 304 L for all parts in contact with pulp or/and water Capacity : 140 000 T/Y or 400 BDT/D. The capacity can be increased up to 200 000 T/Y with minor improvements. 

DCS : METSO DNA System with Historian Module



1 Pulping system : o 2 HC pulpers 35 m3 KADANT-LAMORT (AIKAWA License) o 2 second KADANT o Hot water storage tank o Chemicals distribution system o Liquid Fatty acid storage o 2 storage tanks (750 m3 & 270 m3)



1 coarse screening (holes 1.8 mm, cascade with HC cleaners and rotating baskets) METSO with tanks



1 MC screening loop with slots 12/100e METSO with tanks



1 LC screening loop with slots 12/100e METSO with tanks



1 LD cleaners system with light rejects cleaners included CELLECO-GLV with tanks

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1 Preflotation system VOITH ECOCELL with secondary & primary cell (size 5) & Foambreakers



1 Postflotation system VOITH ECOCELL with secondary & primary cell (size 5) & Foambreakers



2 thickening & dewatering loops KVAERNER-VOITH including each one : o 1 « bagless » disc filters & tanks (250 m3 and 200 m3) o 1 screw press long version SP150 o 1 MC pumps set



3 bleaching systems METSO o 2 HC tower with conveying screws, discharge tanks, MC pumps, high temperature mixers, Disperger, mixers, … o 1 MC tower with mixer, stand-pipe, MC pump, …



1 kneading system including 2 kneaders SHINHAMA CCE 7S

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1 microflotation system for water treatment MERI



Pulp and water storage tanks (SS 316L) : 600 m3, 600 m3, 1150 m3, 750 m3, HC 500 m3 , ….



Chemicals storage tanks and distribution devices : SS 316 L (up to 200 m3, …)



Waste water treatment plant (for 200 000 t/Y) and sludge treatment plant (thickening, ANDRITZ dryer, …)

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Several sensors : brightness (x7), flowmeters, consistency, …



1 thickening and loading system to send pulp to other sites in wet form : capacity 100 BDT/D

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1 second system to thicken & load pulp (building in process) : same capacity



3 dewatering devices (ANDRITZ – KARHULA) able to thicken the pulp up to 50% of dryness



2 Flash dry lines (100 000 t/year each)

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1 baling line : 200 000 t per year

PICTURES :

Baling line

2 Flash dry line