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APP Sustainability Report 2008-2009 - Asia Pulp and Paper

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Sustainable Products<br />

Sustainable Products<br />

<strong>Paper</strong> Production – Raw Materials<br />

Input<br />

Purchased <strong>Pulp</strong><br />

There was a 9.7 percent increase in the total<br />

amount of pulp used in the mill from <strong>2008</strong><br />

to <strong>2009</strong>. The largest increases were in the<br />

consumption of imported PEFC-certified<br />

NBKP <strong>and</strong> local non-controversial LBKP.<br />

The Ecolabel certification received during<br />

the reporting period enabled Tjiwi Kimia to<br />

deliver paper products made with PEFCcertified<br />

pulp <strong>and</strong> customer dem<strong>and</strong> for<br />

these products – <strong>and</strong> our need for PEFCcertified<br />

NBKP – rose accordingly in <strong>2009</strong>.<br />

The total breakdown of purchased pulp can<br />

be seen in the table below:<br />

Table 49 - Raw material inputs - Purchased pulp<br />

(ADT) <strong>2008</strong> <strong>2009</strong><br />

Recycled Materials<br />

All paper mills reincorporate subst<strong>and</strong>ard<br />

paper production or “broke” into their<br />

products, so that it is not lost from the<br />

system. Tjiwi Kimia mill is also able to<br />

produce a substitute for virgin pulp by deinking<br />

pre- <strong>and</strong> post-consumer wastepaper.<br />

About 4 percent of the mill’s total fibre usage<br />

was de-inked pulp in <strong>2008</strong> / <strong>2009</strong>, with the<br />

quantity expected to grow over time.<br />

Fillers<br />

Fillers are insoluble, inorganic minerals,<br />

added to our papers to confer opacity <strong>and</strong><br />

brightness, or coated onto the surface to<br />

produce a smooth <strong>and</strong> receptive surface for<br />

high-quality printing. Typically, fillers amount<br />

to some 30 percent of the composition of<br />

printing <strong>and</strong> copier papers <strong>and</strong> constitute<br />

more than 70 percent of the weight of any<br />

mineral surface coatings applied. Fillers<br />

are now predominantly calcium carbonate<br />

based, but some continue to use china clay.<br />

LBKP NBKP BCTMP LBKP NBKP BCTMP<br />

Local Certified (LEI) – – – 7,684 – –<br />

Local Non-controversial<br />

83,341 – – 246,306 – –<br />

(NCONT)<br />

Local Verified Legal Origin<br />

664,316 – – 461,650 – –<br />

(VLO)<br />

Import Certified (PEFC / FSC) 4,538 65,366 1,084 23,643 145,794 14,542<br />

Import Verified (NCONT / CW) – – 2,021 – – –<br />

Total 752,195 65,366 3,105 739,283 145,794 14,542<br />

Table 50 - Recycled material volumes<br />

(ADT) <strong>2008</strong> <strong>2009</strong><br />

De-inking pulp 32,366 25,578<br />

Waste <strong>Paper</strong> (Post / pre consumer) 942 638<br />

Mill Broke 44,589 40,875<br />

Total usage of fillers at Tjiwi Kimia mill was<br />

381,048 tonnes in <strong>2008</strong>, 370,279 tonnes in<br />

<strong>2009</strong>.<br />

Starch<br />

Starch is used both to improve internal<br />

strength of the paper sheet <strong>and</strong>, in modified<br />

from, to enhance its surface properties.<br />

Usage in <strong>2008</strong> was 61,764 tonnes <strong>and</strong>, in<br />

<strong>2009</strong>, 61,210 tonnes.<br />

Other Chemicals <strong>and</strong> Process Aids<br />

A range of chemicals are used, either as<br />

components of the paper or to improve<br />

the drainage, operational efficiency <strong>and</strong><br />

cleanliness of the paper machines. These<br />

materials include sizes (for ink hold-out),<br />

retention aids <strong>and</strong> biocides, <strong>and</strong> adhesives<br />

<strong>and</strong> inks in the converting units. Other<br />

chemicals are needed for raw water <strong>and</strong><br />

wastewater treatment processes, boiler<br />

water treament <strong>and</strong> a range of miscellaneous<br />

site uses. The total amount of chemicals<br />

used in paper production <strong>and</strong> site services<br />

at Tjiwi Kimia was 541,318 tonnes in <strong>2008</strong>,<br />

652,693 tonnes in <strong>2009</strong>.<br />

Energy Inputs<br />

All of Tjiwi Kimia’s fuel inputs are fossilbased.<br />

The predominant fuel used by the mill<br />

is Indonesian coal, sourced in Kalimantan.<br />

The mill’s energy inputs during <strong>2008</strong> <strong>and</strong><br />

<strong>2009</strong> were as shown in the table, below.<br />

Minor quantities – some 4,000 tonnes – of<br />

wastewater treatment plant sludge were<br />

incinerated in <strong>2009</strong>, <strong>and</strong> this may increase,<br />

over time.<br />

Graphic 6 - Fuel consumption (%)<br />

Diesel Oil<br />

Marine<br />

Fuel Oil<br />

Coal<br />

Sludge<br />

Natural<br />

Gas<br />

20.1 G Joule 20.8 G Joule<br />

1<br />

1<br />

1<br />

0.5<br />

96<br />

0<br />

2<br />

<strong>2008</strong> <strong>2009</strong><br />

96<br />

0.5<br />

2<br />

Table 51 - Wastewater Discharge Monitoring Results<br />

Key Parameters<br />

Electricity generated on-site, in the mill’s cogeneration<br />

units, was as follows:<br />

Graphic 7 - Electricity consumption (MWh)<br />

1,294,939 1,293,140<br />

<strong>2008</strong> <strong>2009</strong><br />

A direct comparison with World Bank / IFC<br />

Guidelines for electrical energy consumption<br />

in coated printing <strong>and</strong> writing paper mills<br />

(650 – 900 kWh/AD tonne) is difficult<br />

because of the large energy consumption<br />

associated with the site’s chlor-alkali<br />

plants, which share utilities but operate<br />

independently of the paper mill. However, a<br />

general indication is that Tjiwi Kimia’s overall<br />

power consumption (including chlor-alkali<br />

plant operations) was in the region of 980<br />

kWh/AD tonne for both <strong>2008</strong> <strong>and</strong> <strong>2009</strong>.<br />

Chemicals Production<br />

Electrolysis of brine (NaCl – common salt)<br />

is used to produce chlorine gas, sodium<br />

hydroxide (NaOH) <strong>and</strong> hydrogen (H2), <strong>and</strong><br />

a further reaction of these products is used<br />

to generate the range of chemicals including<br />

HCl, Caustic Soda <strong>and</strong> bleaching powder.<br />

Electrolysis is a very intense use of electrical<br />

energy. In total around 280,680 tonnes <strong>and</strong><br />

262,470 tonnes of chemicals were produced<br />

on-site in <strong>2008</strong> <strong>and</strong> <strong>2009</strong>.<br />

Water Usage <strong>and</strong> Wastewater<br />

Discharges<br />

The Tjiwi Kimia mill draws its water from <strong>and</strong><br />

discharges wastewater into the Brantas River.<br />

Raw water drawn from the river was 23.8M<br />

m 3 in <strong>2008</strong>, 22.7M m 3 in <strong>2009</strong>, which equates<br />

to an overall site usage rate of about 17.9<br />

m 3 /AD tonne for both <strong>2008</strong> <strong>and</strong> <strong>2009</strong>. World<br />

Bank / IFC Guidelines for water consumption<br />

in coated printing <strong>and</strong> writing paper mills are<br />

5 – 20 m 3 /AD tonne.<br />

The aggregate volume of wastewater<br />

discharged to the river was measured at<br />

14.0M m 3 in both <strong>2008</strong> <strong>and</strong> <strong>2009</strong>. The<br />

discrepancy with the raw water volumes<br />

suggests that a substantial volume of cooling<br />

water is now by-passing the wastewater<br />

treatment plant, in addition typically<br />

about 10 percent of water is lost through<br />

evaporation from the mill’s steam-raising <strong>and</strong><br />

drying processes.<br />

Wastewater discharges are regulated under<br />

st<strong>and</strong>ards established locally, in East Java<br />

Governor Decree no. 45 year 2002, which<br />

impose stricter limits than Indonesian<br />

national legislation. There were no incidents<br />

in which these limits were exceeded during<br />

<strong>2008</strong> or <strong>2009</strong> monitoring period. Aggregated<br />

monitoring results are given below.<br />

<strong>2008</strong> <strong>2009</strong> Local St<strong>and</strong>ard <strong>2008</strong> <strong>2009</strong> WB / IFC St<strong>and</strong>ard<br />

(mg/l, except pH)<br />

(kg/ADT, except pH)<br />

BOD 5<br />

10.04 10.18 70 0.1 0.1 0.2<br />

COD 21.86 21.59 150 0.3 0.3 4.0<br />

TSS 2.58 3.67 70 0.0 0.0 0.3<br />

pH 6.8 7.0 6 – 9 6.8 7.0 6 – 9<br />

[EN 1, EN 2] [EN 3, EN 4, EN 8, EN 21]<br />

52 <strong>APP</strong> 08/09 <strong>Sustainability</strong> <strong>Report</strong> <strong>APP</strong> 08/09 <strong>Sustainability</strong> <strong>Report</strong> 53

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