conference on biomass and biogas based power produc.on...
TRANSCRIPT
Independent Power Produc.on From Sugarcane Waste – Best Prac.ce
Example
Jakarta, 11th October 2016
Conference on biomass and biogas based power produc.on
PTPN X Group 4
PTPN X
PT Dasaplast Nusantara
Share holder:
1. PTPN X (90,00%)
2. Surya Satria Sembada (10,00%)
PT Nusantara Medika Utama
Share holder:
1. PTPN X (99,50%)
2. Coopera=ve (0,50%)
PT Energi Agro Nusantara
Share holder:
1. PTPN X (99,25%)
2. Coopera=ve(0,75%)
PT Mitra Tani Dua Tujuh
Share holder:
1. PTPN X (65%)
2. Kelola Mina Laut (35%)
Manufacturing plas=c bags,
mainly for sugar H e a l t h s e r v i c e s ( 3
hospitals
Producing bioethanol Producing edamame and some
other vegetables
The Overview of PTPN X Sugar ProducOon
• PTPN X crushes of approximately 6.1 to 6.7 Million Ton cane/year in 11 sugar
mills in Eastern Java .
• 95 – 97% of cane is supplied by growers. We applied mostly the scheme of
product share, under which 66% sugar product and 25 kg molasses out of
every 1 ton of cane goes to growers.
• The company produces of 450,000 – 490,000 Ton Sugar/Y or approximately
18% of total Indonesia sugar produc=on.
5
• Sugar industry has been a tradi=onal industry and was setup in many
countries during the second half of the 19th century. This par=cularly in
respect of tropical countries which have plenty of sun shine and adequate
rain fall.
• Sugar cane crop offers the best way in harnessing solar energy. Each ton of
sugar cane has energy content of 1.2 barrels of crude oil (Kent, 2010).
• Since many years ago, countries like Brazil, Reunion Island, Mauri=us, India,
and Australia has taken lead to produce not only sugar, but energy as well
from cane.
• Due to it’s energy potency, now sugar cane is known as energy cane.
The New Perspective of Sugar Industry
In most of sugar producing countries, sugar industry is =ghtly‐regulated and cane price is
more poli=cal agenda than economic issues.
With steady increase in fossil fuel price and deple=on in their reservoir, effort to u=lize
renewable source of energy has been intensified, including bio mass like bagasse. This
opens new opportuni=es for the industry to improve its economic viability.
By reducing energy consump=on and increasing efficiency in energy cycle, sugar mill could
export excess power (electricity) to grid.
The investment to install new technologies under cogenera=on project gives handsome
return.
The capital cost per MW would be approximately 1.0 million USD/MW as the brownfield
project. The return on investment can be fairly quick and would be in the range of 4 to 5
years depending upon the electricity tariff and the dura=on of opera=on of cogen plant.
Plant efficiency and excess bagasse are cri=cal.
Therefore, steps to be taken before transforming any exis=ng
sugar mill into power producer
| 1
Plant Efficiency
Indicators PTPN X
(2009)
World
(Benchmark)
Sugar losses (% cane) > 2,50 < 2,0
Steam ConsumpHon(% cane) > 58 < 40
Down Time (%) > 8.5 < 2,5
Overall Recovery(%) <75 85‐87,5
Therefore, in 2009 Board of Director of PTPN X decided to undertake
factory modernizaHon and capacity up‐gradaHon program by removing
the first generaHon equipment and replacing them with the third
generaHon ones, such as medium pressure boiler (46 Bar), electric
motors, and high gravity‐single curing centriugals, etc.
| 2
Kremboong SF
1 Boiler of 46 bar 9 smoke firing Boiler (6 Bar)
2 Hig Gravity‐Single Curing HGF 18 HGF manual
| 6
The Model for DiversificaJon Program( Sugar Mill+ CogeneraJon + Ethanol)
BAGASSE
COGENERATION
PREMIUM Sugar
Cane
Sugar Mill
Distillery
Molasses
BIO ETHANOL
PLN
Higher steam/fuel ratio.
Lower specific steam consumption.
Higher power generated per ton of bagasse
Achieved by :
Diffuser plus dewatering mills or 6-mill tandem.
Higher pressure-higher temperature boiler (65, 87
or 110 Bar, and 540 oC), with better thermal efficiency.
Extraction-cum-condensing turbo generator (steam rate of 3.7 ton steam/MWh).
All electric drives
Maximizing quantity of steam on condensing path. Minimizing steam consumption in process stage,
and maximizing heat recovery.
| 8
Independent Power ProducJon From Bagasse (PMN Project)
The Government of Republic of Indonesia agreed to provide funding of IDR 975 Billions for
installing:
1. CogeneraHon project with the total power generaHng of 90 MW, exportable 50 MW; in 3
sugar mills, by using bagasse (biomass) as fuel.
2. Installing down stream product of exisHng DisHllery (CO2 Recovery dan Dry Yeast Waste)
3. Further efficiency improvement program in 3 sugar mills.
4. 1 new DisHllery of 100 KLPD.
Meanwhile PTPN X is starHng to sell electricity of 2 – 3 MW from 1 sugar mill in Kediri,
through excess power scheme by uHlizing the exisHng capacity.
Internally, we are idenHfying the potency to generate up to 50 MW from 7 other sugar
factories via excess power scheme with considerably low investment.
| 9
The ProjecJng Benefits
Increasing the sales and revenue.
Switching the company revenue from sugar and molasses to ethanol, electric, and
down stream product of ethanol.
Increasing the product share of sugar for growers from 66% into 75%, and it is
expected to encouraging farmers to grow more sugarcane, which is very crucial to
increase Indonesian sugar producHon .
Beger foundaHon for the company for further development and future.