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TRANSCRIPT
Forecasting global developments in the basic chemical industry for
environmental policy analysis
M.L.M. Broeren, D. Saygin, M.K. Patel
ANNEXES
A. Trade analysis background information
Table 3: List of countries included in the trade analysis (Section 2.5) by world
region
World region Included countriesAsia Pacific Japan, KoreaChina and India China, IndiaEurope France, Germany, Italy, Netherlands, Poland, United
KingdomMiddle East and Africa Saudi Arabia, Iran, Kuwait, EgyptNorth America United States, CanadaOther Developing Asia Indonesia, Thailand, Malaysia, Singapore, Taiwana
South America Brazil, Venezuela, Argentina, Colombia, Trinidad, ChileTransition Economies Russia, Ukraine
a. Taiwan is not included as a country in the UN’s Comtrade database due to
political reasons. However, the database includes a territory ‘Other Asia, not
elsewhere specified’. In theory, all trade with Asia that is reported to
Comtrade without specifying a partner country is included here. However,
since Taiwan is neither a separate country nor considered part of China, all its
trade is reported in this category, along with other unspecified trade with Asia.
For this report, we assume that ‘Other Asia, not elsewhere specified’ is
equivalent to Taiwan, estimating that the share of other unspecified Asian
trade is minor in comparison. For further information regarding this issue, visit
http://unstats.un.org/unsd/tradekb/Knowledgebase/Taiwan-Province-of-China-
Trade-data.
Table 4: List of UN Comtrade products included in the trade analysisa (Section
2.5) and their product codes (classification: Harmonized System as reported).
Ammonia (2814) and methanol (290511) not shown.
HVCs and derivatives Polymers
Ethylene 290121Polyethylene - specific gravity <0.94 in primary form
390110
Propene (propylene) 290122Polyethylene - specific gravity >0.94 in primary form
390120
Buta-1, 3-diene and isoprene 290124
Polymers of ethylene nes, in primary forms
390190
Benzene 290220 Polypropylene in primary forms39021
0
Styrene 290250Propylene copolymers in primary forms
390230
Ethylbenzene 290260Polystyrene, expansible in primary forms
390311
1,2-dichloroethane(ethylene dichloride) 290315
Polystyrene, except expansible in primary forms
390319
Vinyl chloride (chloroethylene) 290321
Styrene-acrylonitrile (SAN) copolymers, primary forms
390320
Ethylene glycol (ethanediol) 290531Acrylonitrile-butadiene-styrene (ABS) copolymers
390330
Oxirane (ethylene oxide) 291010Polymers of styrene except SAN or ABS in primary form
390390
Ethanal (acetaldehyde) 291212Polyvinyl chloride in primary forms
390410
Acetic acid 291521Acrylic polymers nes, in primary forms
390690
Cumene 290270Polyethylene terephthalate, in primary forms
390760
Butanols nes 290514Polyesters nes, unsaturated, in primary forms
390791
Octanol(octyl alcohol), isomers 290516 Polyesters nes, in primary forms
390799
Propylene glycol (propane-1,2-diol) 290532 Polyurethanes in primary forms
390950
Phenol (hydroxybenzene), salts 290711
Bisphenol A, diphenylolpropane, salts 290723Methyloxirane (propylene oxide) 291020Acetone 291411Acrylic acid, salts 291611Dioctyl orthophthalates 291732Hexamethylenediamine, its salts 292122Acrylonitrile 292610
a. Each country reports its own import and export flows for each commodity to
the Comtrade database, specifying a partner country. However, the reports of
the same physical trade flow reported by one country (e.g. as export) and its
partner country (as import) are not always equal. We therefore only consider
the reported export flows.
B. Forecasting model data input
Table 5: Population per world region, millions. 2006 population taken from CB
(2010), extrapolation based on IEA (2010).
2006 2010 2015 2020 2025 2030 CAGR, %/yrOECD 1,205 1,234 1,271 1,310 1,332 1,355 0.5
PAC 200 201 201 201 198 195 -0.1 EUR 541 549 563 579 587 596 0.4 NA 464 484 507 531 547 563 0.8
Non-OECD 4,997 5,248 5,552 5,879 6,091 6,317 1.0
C&I 2,430 2,527 2,640 2,759 2,814 2,870 0.7 MEA 1,155 1,257 1,394 1,545 1,671 1,808 1.9 ODA 701 736 772 810 833 857 0.8 SA 374 392 408 426 436 446 0.7 EIT 338 336 338 339 338 337 0.0
Global 6,203 6,481 6,823 7,189 7,423 7,672 0.9
Table 6: GDP per world region, billion USD2009/yr. 2006 GDP taken from CB
(2010), extrapolation based on IEA (2010).
2006 2010 2015 2020 2025 2030 CAGR, %/yr
OECD 40,687 41,42245,43
5 49,870 54,865 60,396 1.7 PAC 6,813 6,871 7,475 8,132 8,632 9,162 1.2
EUR 16,756 17,01718,468 20,061 22,094 24,349 1.6
NA 17,117 17,53519,49
3 21,677 24,140 26,884 1.9Non-OECD 27,176 34,498
45,919 61,745 74,598 90,300 5.1
C&I 11,667 16,37223,68
9 34,322 42,332 52,289 6.4 MEA 4,559 5,467 6,720 8,262 9,750 11,514 3.9 ODA 3,700 4,369 5,810 7,804 9,387 11,319 4.8 SA 3,560 4,149 4,916 5,826 6,722 7,758 3.3 EIT 3,689 4,140 4,783 5,533 6,406 7,420 3.0
Global 67,862 75,92091,35
4 111,615 129,463150,69
5 3.4
Table 7: Overview of regional data used for production cost calculations. Data
given for 2006 unless stated otherwise. Oil price of 50 USD/bbl.
OECD Non-OECD SourcesPAC EUR NA C&I MEA ODA SA EIT
GeneralInterest rate, %/yr 8.6 8.7 8.2 12.1 14.0 11.1 15.0 12.6 Damodaran, 2012;
Economist, 2006Location factor (NA=100) 130 110 100 90 125 125 125 125 Gielen, 2003Labour cost factor (EUR=100) 82 100 97 14 56 97 24 15 ILO, 2011EthyleneSEC (excl. feedstock), GJ/t HVCs
Average technology 13.2 15.6 18.3 16.7 18.3 19.7a 17.1 21.3b IPTS/EC, 2003 ; Saygin et al.,
2011aBPT c 12.6 12.6 13.0 12.6 13.3 12.6 12.6 12.6
SEC (excl. feedstock), GJ/t ethylene
Average technology 22.3 27.3 24.1 30.2 21.9 23.9 22.1 38.7 IPTS/EC, 2003 ; Saygin et al.,
2011aBPT c 24.2 24.2 19.7 24.2 14.9 24.2 24.2 24.2
Average age of capacity, year 25 25 25 10 10 10 20 25 IEA, 2009aFeedstock mix, %
Ethane 0 7 47 5 60 62 52 0 OGJ, 2006Propane 1 5 16 3 14 5 7 0Butane 2 6 4 0 3 5 2 7
OECD Non-OECD SourcesPAC EUR NA C&I MEA ODA SA EIT
Naphtha 97 74 28 67 23 27 39 91Gas oil 0 8 4 24 0 0 0 2
Energy prices, USD/GJEthane 8.0 8.0 6.6 6.2 1.2 5.8 8.0 2.1 See below tablePropane 11.9 12.0 10.1 11.3 9.4 10.3 10.3 n.a.Butane 11.9 11.5 11.8 n.a. 9.4 10.7 10.6 9.2Naphtha 13.7 13.6 15.0 14.0 9.7 12.8 12.7 11.0Gas oil 12.0 14.2 10.5 12.0 n.a. n.a. n.a. 8.8Weighted average 13.7 13.0 9.9 13.0 4.5 8.2 10.0 10.9
By-product prices d, USD/tPropylene 926 926 926 926 926 926 926 926 Chemical Week,
2006bButadiene 859 859 859 859 859 859 859 859Benzene 929 929 929 929 929 929 929 929Toluene 874 874 874 874 874 874 874 874Xylene 910 910 910 910 910 910 910 910
AmmoniaSEC (incl. feedstock), GJ/t
Average technology 35.7 36.3 38.0 47.4 40.9 45.4 40.1 46.1 Prince, 2007 ; Saygin et al.,
2011aBPT e 28.0 28.0 28.0 28.0 28.0 28.0 28.0 28.0
Average age of capacity, year 25 30 30 20 15 20 20 25 IFA, 2002; IFDC, 2008
Feedstock mix, %Natural gas 89 82 98 33 96 80 100 100 Saygin et al.,
2011aCoal 0 0 0 60 4 0 0 0Oil 11 18 2 7 0 20 0 0
Energy prices, USD/GJNatural gas 7.8 7.6 6.2 5.0 1.1 1.9 2.6 1.8 See below tableOil 8.9 8.9 7.7 12.5 n.a. 11.3 6.4 n.a.Coal n.a. n.a. n.a. 1.4 2.8 n.a. n.a. n.a.Weighted average 7.9 7.9 6.2 3.5 1.2 3.8 2.6 1.8
MethanolSEC (incl. feedstock), GJ/t
Average technology 37.0 33.7 35.8 43.7 34.3 37.0 33.6 38.8 UNIDO, 2010BPT e 32.4 32.4 32.4 32.4 32.4 32.4 32.4 32.4
Average age of capacity, year 15 25 20 5 10 10 10 30 MI, 2010bFeedstock mix, %
Natural gas 100 63 84 20 99 100 100 100 MI, 2010bCoal 0 0 16 75 1 0 0 0Oil 0 37 0 5 0 0 0 0
Energy prices, USD/GJNatural gas 7.8 7.3 6.1 5.4 1.0 1.9 1.8 1.4 See below tableOil 8.9 8.9 7.7 12.5 n.a. 11.3 6.4 n.a.Coal n.a. n.a. 1.2 1.6 2.8 n.a. n.a. n.a.Weighted average 7.8 7.9 5.3 3.0 1.0 1.9 1.8 1.4
ChlorineSEC (incl. electricity), GJ/t
Average technology 11.9 13.1 15.3 15.4 13.7 13.7 15.2 n.a. Saygin et al., 2011aBPT f 11.9 11.9 11.9 11.9 11.9 11.9 11.9 n.a.
Average age of capacity g, year 25 25 25 10 10 10 20 n.a.Technology mix, %
Mercury 0 38 12 36 20 20 14 n.a. Saygin et al., 2011aDiaphragm 0 20 70 34 33 33 64 n.a.
Membrane 100 42 18 30 47 47 22 n.a.Energy prices, USD/GJ
Natural gas 7.8 7.5 6.3 4.8 0.7 1.9 4.1 n.a. See below tableElectricity 26.3 21.9 17.2 20.5 7.4 20.1 21.1 n.a.Weighted average 10.8 9.6 9.7 6.8 2.1 5.7 9.1 n.a.
By-product pricesd, USD/tCaustic soda 264 264 264 264 264 264 264 n.a. Chemical Week,
2006ba) No SEC data given by Saygin et al. (2011a), therefore value taken from DEDE (n.d.).
b) No SEC data given by Saygin et al. (2011a), therefore calculated by assuming world average SEC is 16.9
GJ/t HVCs (as in Saygin et al., 2011a).
c) The most efficient plants in Europe according to IPTS/EC (2003) for ethane (13.3 GJ/t HVCs) and
naphtha (12.6 GJ/t HVCs) are used as the reference BPT. Data is converted from GJ/t ethylene using
feedstock yields (Neelis et al., 2005) and the Solomon definition of HVCs. Values assumed appropriate
for 2006. All regions are assumed to use 100% naphtha for BPT, except MEA (100% ethane) and NA
(50% naphtha, 50% ethane).
d) Prices for US are assumed valid for all regions.
e) For BPT, all regions are assumed to use 100% natural gas based production.
f) As BPT, all regions are assumed to use the membrane chlor-alkali process.
g) Assumed equal to steam crackers (HVCs).
References for energy prices
Ethane – PAC: price assumed equal to Europe (minor importance); EUR and
MEA: McKinsey (2008); NA: DeWitt (2009); C&I: source no longer available;
ODA: CS (2011); SA: UNIPAR (2006); EIT: Roland Berger (2008).
Propane – PAC, EUR and NA: DeWitt (2009); C&I, ODA and SA: assumed
equal to 81% of naphtha price (average for other world regions; minor
importance); MEA: McKinsey (2008).
Butane – PAC: assumed equal to propane price (minor importance); EUR and
NA: DeWitt (2009); MEA: McKinsey (2008); ODA, SA and EIT: assumed equal
to 84% of naphtha price (average for other world regions; minor importance).
Naphtha – PAC, EUR and NA: DeWitt (2009); C&I: weighted average of BMI
(2010) and Wenshan (n.d.); MEA: McKinsey (2008); ODA: average of IEA
(2006a) and Roland Berger (2008); SA: source no longer available; EIT: Roland
Berger (2008) and natural gas prices.
Gas oil – PAC, EUR, NA and C&I: source no longer available (minor
importance); EIT: assumed equal to 80% of naphtha price (minor importance).
Natural gas – All regions: Agrium (2007). These sources show country-level
natural gas prices. For world regions, the country-level prices are weighed by the
production capacity of each chemical. Therefore, because some countries are large
producers of methanol but not ammonia, or vice versa, natural gas prices can
differ per chemical.
Oil – All regions: EIA (2010a), assuming industrial prices are 5% higher.
Coal – NA: EIA (2010b); C&I: Sagawa and Koizumi (2007); MEA: source no
longer available.
Electricity – All regions: EIA (2010c); IEA 2006b; Rosen and Houser (2007)
Table 8: Overview of fixed capital costs used for production cost calculations
(expressed per unit of capacity) and global utilization factors.
Fixed capital costsa, USD2006/t/yr
Global utilization factor
Based on
HVCs Ethane: Propane: Butane:
Naphtha: Gas oil:
13701680170020502400
80% Worrell et al., 2000; Chemical Week, 2010
Ammonia Natural gas:Fuel oil:
Coal:
5708001370
85% Lako, 2009; EFMA, 2000; Chemical Week, 2006c
Methanol Natural gas:Fuel oil:
Coal:
265370635
80%b HCP, 2001
Chlorine Diaphragm:Mercury:
Membrane:
104011101000
80%b IPTS/EC, 2001; Chauvel and Lefebvre, 1989
a) All costs updated to base year 2006 using Chemical Engineering’s Plant Cost
Index. Fixed capital costs are assumed valid for the U.S. and updated for
different regions using the location factors shown in Table 7.
b) Assumed equal to utilization factor for HVCs.
Table 9: Transportation costs of ethylene, ammonia and methanol between
world regions, in 2006 all in USD2006 per tonne of product. Transportation costs
between two regions are assumed to be symmetrical, and trade within a region is
assumed free. Based on shipping costs from (CMAI, 2007; Fertilizer Week, 2008;
ICIS, 2011). Existence of pipelines was taken into account when estimating costs
for land-based transportation.
PAC C&I EUR MEA NA ODA SA EIT
Eth
ylen
e
PAC 0 146 354 265 220 105 350 300C&I 146 0 256 168 302 110 321 300EUR 354 256 0 180 215 320 220 30MEA 265 168 180 0 261 230 248 100NA 220 302 215 261 0 300 130 250ODA 105 110 320 230 300 0 338 350SA 350 321 220 248 130 338 0 300EIT 300 300 30 100 250 350 300 0
Am
mon
ia
PAC 0 60 142 107 103 52 156 100C&I 60 0 104 50 130 45 129 75EUR 142 104 0 51 87 116 87 55MEA 107 50 51 0 105 80 100 38NA 103 130 87 105 0 138 84 84ODA 52 45 116 80 138 0 136 118SA 156 129 87 100 84 136 0 125EIT 100 75 55 38 84 118 125 0
Met
hano
l
PAC 0 24 37 31 32 23 39 35C&I 24 0 31 26 35 22 35 32EUR 37 31 0 28 29 33 29 25MEA 31 26 28 0 31 27 30 25NA 32 35 29 31 0 40 32 40ODA 23 22 33 27 40 0 36 35SA 39 35 29 30 32 36 0 40EIT 35 32 25 25 40 35 40 0
C. Production cost forecast up to 2030
In order to calculate the production costs for each five year period up to 2030, all cost
parameters are updated from their 2006 values shown in Table 7. We applied a
number of methods for this purpose. These are summarized as follows:
Energy prices are adapted based on the price changes estimated by IEA (2010)
for several fuels, following the Current Policies scenario. Our 2006 energy
prices shown in Table 7 are assumed to follow the same trend as these fuels.
The increase in energy prices affects both process energy and feedstock
energy.
o The 2006 prices of ethane, naphtha, gas oil and electricity are linked to
the global oil price. The prices at which HVC by-products are sold are
also assumed to increase along with the oil price.
o The prices of propane, butane and natural gas are linked to the
estimated trend in natural gas prices. For natural gas prices, IEA
distinguishes between prices in Asia Pacific, Europe and North
America, so we follow these regional developments. The rest of the
world is assumed to follow the average price increase of these three
regions.
o The coal prices are linked to the development of the OECD steam coal
imports.
The SECs of new capacity based on average technology or BPT improve at 1
%/yr (Neelis et al., 2007). These improvement rates lead to a slight
convergence of the SECs of average capacity. In addition, we assume that the
capacity that already exists in 2006 will also improve its energy efficiency (for
instance through retrofits), at a rate of 0.5 %/yr (Phylipsen et al., 2002).
Interest rates and labour costs are assumed to be dependent on a world
region’s GDP per capita. For labour costs, the data from ILO (2011) shows
that a higher GDP/capita correlates with higher wages in the chemical sector.
We derive a linear relationship to estimate the increase in labour costs between
2006 and 2030 based on GDP/capita estimates (shown in Table 5 and Table
6). Similarly, higher GDP/capita correlates with lower interest rates and we
derive a linear relationship to estimate the developments.
For chlorine, we derive a linear trend line for the average price development of
salt for 2001-2010 from US production statistics (USGS, 1995-2010). We
extrapolate this trend to 2030. The prices of rock salt (production input) and
caustic soda (chlorine by-product) are assumed to follow the same trend
All feedstock mixes, location factors and operating rates are kept constant
between 2006 and 2030.
D. Calculation methods for energy, CO2 emissions (direct and indirect),
investment costs, energy costs
Final energy use
The annual final process energy use (FEUr,t,i) for the production of a chemical i in
region r and year t is estimated using Equation 3.
FEU r ,t ,i=UF i∗(CAPOld ,r ,t ,i∗SECOld , r ,t ,i+ ∑n=2010
t
{NPC BPT ,r ,n ,i∗SEC BPT , r ,n , i+ NPC Avg, r ,n , i∗SEC Avg ,r , n ,i }) (Equation 3)
Where:SECj,r,t,i= SECj,r,2010,i * (1 – IRj)t - 2010
FEUr,t,i = Final process energy use for the production of chemical i in
world region r in year t, PJ/yr
UFi = Capacity utilization factor for chemical i, %
CAPOld,r,t,i = Old production capacity (existed in 2010) for chemical i still
in operation in year t in region r, kt/yr
NPCBPT,r,n,i = New BPT production capacity for chemical i built in region r
in year n, kt/yr
NPCAvg,r,n,i = New average technology production capacity for chemical i
built in region r in year n, kt/yr
SECj,r,t,i = SEC of capacity of type j (old, new average, new BPT) for
chemical i in region r in year t, GJ/t
IRj = SEC improvement rate of capacity of type j (old, new
average, new BPT), %/yr
We include a global utilization factor (UFi), which is estimated based on Chemical
Week, and is kept constant for 2010-2030.
CO2 emissions
The total CO2 emissions of the chemical sector depend on the regional fuel mix, as
well as the fuel mix of the power sector (IEA, 2011c). We distinguish between direct
emissions, which result from on-site activities (e.g. fuel combustion), and indirect
emissions, which stem from the (typically off-site) generation of electricity used for
the production of chemical products.
The direct emissions are determined by splitting the final process energy use for each
group of chemicals between various fuels based on the regional feedstock mix. We
distinguish between 1) coal, 2) ethane, butane and propane, 3) naphtha and heavy oil,
and 4) natural gas. We divide the process energy use (excluding electricity) from the
production of the four chemicals in each world region among these fuels in proportion
to the feedstock mix (see Annex B).
The direct CO2 emissions for each world region in each time period are determined by
multiplying the final process energy use by fuel with its emission factor (IPCC, 2006)
Equation 4.
CO2direct , r ,t=∑F
FEU r ,t , F∗EFF (Equation 4)
Where: CO2direct,r,t = Direct CO2 emissions of the basic chemical sector in
world region r in year t, Mt/yr
FEUr,t,F = Final process energy use of fuel F in region r in year t, PJ/yr
EFF = Emission factor of fuel F, t CO2/GJ
Please note that during ammonia production, unlike the steam cracking and methanol
production processes, all carbon present in the fuels entering the process is emitted as
carbon dioxide, since no carbon is stored in the product. To account for this, the
feedstock energy of 20.7 GJ/t ammonia is added to the FEU in Equation 4.
Furthermore, the concentrated carbon dioxide produced along with ammonia is often
used for urea production, absorbing 0.77 t CO2/t urea produced. We therefore assume
that all urea is co-produced in ammonia plants and subtract the sequestered carbon
dioxide from the calculated emissions. We assume that global urea production
volumes follow the same trend as ammonia.
Furthermore, a region’s indirect emissions depend on its electricity use and power
mix, as shown in Equation 5.
CO2indirect , r , t=FEU r , t , el∗EF el ,r (Equation 5)
Where: CO2indirect,r,t = Indirect CO2 emissions of the basic chemical sector in
world region r in year t, Mt/yr
FEUr,t,el= Final electricity use in region r in year t, PJ/yr
EFel,r = Emission factor of power generation in region r, t
CO2/GJ
We use the emission factors for power generation as provided by IEA (2011c).
Annualized fixed capital costs & energy costs
The annualized fixed capital costs are the annual expenses related to the investments
in new production capacity and their financing. They are the product of fixed capital
costs, annuity factors and location factors. Since we do not know the fixed capital
costs of capacity existing in 2010 (old capacity), we cannot include their depreciation
and financing costs. As indicated in Section 3.2.1 in the main text, we assume that
BPT equipment with higher energy efficiency is more expensive. Furthermore, no
learning effects are included. We calculate the annualized fixed capital costs using
Equation 6.
A FC Cr ,t=∑i
∑n=2006
t
ar , n∗LF r∗∑j
( FC CRef , i , j∗NPCr ,n , i , j) /( SECr , n ,i
SECRef ,n ,i)
(Equation 6)
Where: AFCCr,t = Total annualized fixed capital costs for capacity built after
2010 for region r in year t, million USD
FCCRef,i,j = Fixed capital costs for a production facility making chemical
i from feedstock j in reference region, valid for 2006, USD/t/yr
NPCr,n,i,j = New production capacity for chemical i using feedstock j
placed in region r in year n, Mt/yr
SECRef,n,i = SEC for production of chemical i in reference region
(corresponding with ICRef,i,j) in year n, GJ/t
SECr,n,i = SEC for production of chemical i in region r in year n, GJ/t
ar,n = Annuity factor for region r in year n, calculated from regional
interest rates given in Table 7 assuming an economic lifetime of 25 years
LFr = Location factor of region r (see Table 7)
Finally, when implementing BPT, the higher annualized fixed capital costs will be
partly offset by lower energy and feedstock costs. Therefore, we calculate the regional
energy costs, by multiplying the energy use with the average fuel price (i.e.
accounting for feedstock mix), see Equation 7.
ECr ,t=∑i
FEU r ,t ,i∗P r ,t ,i (Equation 7)
Where: ECr,t = Energy costs for the chemical sector in region r in
year t, million USD/yr
FEUr,t,I = Final energy use (process and feedstock) in region r in
year t for chemical i, PJ/yr
Pr,t,i = Average energy price in region r in year t for
producing chemical i, weighted by feedstock mix, USD/GJ
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