1 
 Draft Regulation on Energy Conservation and Energy 
Efficiency for the Petrochemical Industry  
1. The energy users applicable to this regulation shall mean any entity that has 
completed the company registration or business registration according to the law 
and conducts in the business sector of the petrochemical material manufacturing, 
synthetic resin, plastic and rubber manufacturing, and synthetic fibers 
manufacturing.  
2. The terms in this reg ulation shall be defined as follows:  
2.1 Total Nominal Amount of Combustion: The sum of the low heating value of the 
maximum fuel usage in all burners in the Fired Heater, Cracking Furnace or 
Thermal Fluid Heater, but does not include the low heating value of the fuel used 
in the burner that used only for the purpose of ignition.  
2.2 Fired Heater:  The equipment that has two types of sections, which are  the 
convection  section  and the radia nt section; and that uses the burning of fuel to 
release heat to increase the temperature of the liquid or gas raw material inside the 
furnace  tube; and whose Total Nominal Amount of Combustion  exceeds four 
million kilocalorie s per hour.  
2.3 Cracking  Furnace : The equipment that ha s two types of section s, the convection  
section  and the radia nt section ; and that uses the burning of fuel to release heat to 
increase the temperature of the liquid or gas raw material inside the furnace  tube 
and to generate cracking reaction; and whose  Total Nominal Amount of 
Combustion  exceeds four million kilocalorie s per hour.  
2.4 Thermal Fluid  Heater:  A heater  that uses gas phase or liquid phase  of organic 
heating medium as working fluid  and whose  Total Nominal Amount of 
Combustion  exceeds  two million kilocalorie s per hour.  
2.5 Existing  Equipment : A Fired Heater , Cracking Furnace or Thermal Fluid Heater  
that meets one of the following  conditions : 
2.5.1 Installed before the regulation is in force . 
2.5.2 Purchased before the regulation is in force but the equipment has not been 
completely installed on the effective day .  The energy users should provide 
the supporting procurement contracts to prove it.  
2.6 Newly -Installed Equipment : A Fired Heater , Cracking Furnaces or Thermal Fluid 
Heater  other than the Existing Equipment.  
2.7 Diameter of Exhaust Duct : Inside diameter or inside equivalent diameter that 
meets the following conditions:  
2.7.1 It means the inside diameter  if the exhaust duct is a round pipe.  
2.7.2 It means the inside equivalent diameter if the exhaust duct is not a round pipe .  
It is equal to four times of the cross -sectional area of the inside of the duct 
divided by the circumference of the cross -sectional area of the inside of the 
duct. 
2.8 Exhaust Gas Temperature : Reading of the exhaust gas temperature measured  in 
the following monitoring point s: 
2.8.1 For the Fired Heater  or Cracking Furnace without any  heat recovery unit 
installed at the exhaust gas outlet , the monitoring point located at the place 2 
 that is within a certain distance from the exhaust gas outlet  of the convection  
section  of the Fired Heater  or Cracking Furnace where such distance should be 
within  the length of five times of the  duct Diameter ( shown as  Figure  1). 
2.8.2 For the Fired Heater  or Cracking Furnace  with heat recovery unit installed at 
the exhaust gas outlet , the monitoring point located at the place that is within a 
certain distance from the exhaust gas outlet  of the last heat recovery unit . The 
distance should be within  the length of five times of the duct diameter  startin g 
from the convergent exit of the last heat recovery unit that connects the duct 
(shown as  Figure 2).  
2.8.3 For the Thermal Fluid Heater  without  any heat recovery unit installed at the 
exhaust gas outlet , the monitoring point located at the place that is within a 
certain distance from the exhaust gas outlet  of the Thermal Fluid Heater  where 
such distance should be within the length of five times of the duct d iameter 
(shown as  Figure  3). 
2.8.4 For the Thermal Fluid Heater  with heat recovery unit installed at the exhaust 
gas outlet , the monitoring point located at the place that is within a certain 
distance from the exhaust gas outlet  of the last heat recovery unit where such 
distance should be within  the length of five times of the duct d iameter  (shown 
as Figure 4).  
2.9 Exhaust Gas Concentration of Oxygen : Reading of the exhaust gas concentration 
of oxygen  measured in the following monitoring point s: 
2.9.1 Located at the convection  section  or the inside of the exhaust duct of the Fire 
Heater  or Cracking Furnace.  
2.9.2 Located at the  exhaust  gas outlet  of the Thermal Fluid Heater . 
2.10 Normal Operating Period: During the time period from the discharge, the 
completion of the manufacture of qualified products by the Fired Heater, Cracking 
Furnace or Thermal Fluid Heater, to the cease o f the feed.  
2.11 Continuously Monitor: During the Normal Operation Period, to record the 
monitored reading at least once every fifteen minutes.  
2.12 Monthly Average : Arithmetic average of the reading s monitored during the 
Normal Operating Period from 0 :00 of the first day of the month to 24 :00 of the 
last day of the same  month.  
2.13 Annual Average : Arithmetic average of the Monthly Average readings  of each 
month in such year.  
2.14 Co-firing: Use of two or more kinds of liquid, gas or solid fuels at the same time 
in the Fired Heater, Cracking Furnace or Thermal Fluid Heater.  
2.15 Equipment Utilization  Rate: Heat load rate of the Fired Heater, Cracking Furnace 
or Thermal Fluid Heater.  The calculating formula is as follows:  
 Equipment  Utilization  Rate = ∑ 𝑄𝑖𝐻𝑖𝑛
𝑖=1
𝑅×100%  
 
where  
n: the number of types of fuels used ; 3 
 Qi: The feeding rate of the i-th type of fuel. (unit: cubic meter/hour  for gas 
fuel, litre/hour for liquid  fuel, and kilogram/hour for solid fuel:) ;  
Hi: The low  heating value of the  i-th type of fuel  (unit: kilocalorie/cubic 
meter for gas fuel , kilocalorie/lit re for liquid  fuel, and 
kilocalorie/kilogram for solid fuel) ; 
R: Total Nominal Amount of Combustion  (unit: kilocalorie/hour).  
2.16  Daily Average Equipment Utilization  Rate: Arithmetic average of Equipment 
Utilization  Rate shall be calculated every hour from 0:00 to 24:00 of the same day 
during the Normal Operating Period.  
3. Starting from January 1, 2015,  when using the Fired Heater, Cracking Furnace or 
the Thermal Fluid Heater, the energy users shall comply w ith the following  
provisions : 
3.1 The upper limit of the Annual Average  of the Exhaust Gas Concentration of 
Oxygen  and the upper limit of the Annual Average  of the Exhaust Gas 
Temperature  of the Fired Heater, Cracking Furnace and Thermal Fluid Heater 
shall comply with the values listed in Table 1, 2 and 3.  Notwithstanding the 
foregoing, in the event there is Co-firing in the Fired Heater, Cracking Furnace or 
Thermal Fluid Heater, the Exhaust Gas Concentration of Oxygen  and the Exhaust 
Gas Temperature  should comply with the limit of  the Exhaust Gas Concentration 
of Oxygen  and the Exhaust Gas Temperature  of the fuel that has the higher total 
heating value . 
3.2 Continuously Monitor and record the Exhaust Gas Concentration of Oxygen  and 
the Exhaus t Gas Temperature  of Fired Heater and Cracking Furnace.  The record 
shall include dates, time, the Exhaust Gas Concentration of Oxygen  and the 
Exhaust Gas Temperature . 
3.3 Continuously Monitor and record the Exhaust Gas Temperature  of the Thermal 
Fluid Heater. The record should include dates, time, and the Exhaust Gas 
Temperature . 
3.4 Monitor and record the  Exhaust Gas Concentration of Oxygen  of the Thermal 
Fluid Heater at least once a week.  The record should include dates, time, and the  
Exhaust Gas C oncentration of Oxygen . 
3.5 The oxygen analyzer  and thermometer  should be calibrated according to the 
following provisions:  
3.5.1 The tolerance  of the oxygen analyzer  shall be  less than 0.1 percent  oxygen by 
volume ; the tolerance  of the thermometer  shall be  less than 1% of the reading 
value.  
3.5.2 Calibration shall be accomplished by the energy user itself or by laboratory 
which is entrusted by the energy user at least once every year.  
3.5.3 If the calibration is accomplished by an entrusted laboratory, the laboratory 
should be certified by Taiwan Accreditation Foundation; when the calibration 
is accomplished by the energy user, the following documents must be 
submitted for inspection:  
3.5.3.1  The calibration report of the standard equipment used for comparison; and the 
energy u ser shall also accomplish the calibration of the standard equipment 
used for comparison during the period of validity of the calibration report of 4 
 the standard equipment used for comparison.  Furthermore, the laboratory 
that issues the report has to be cer tified by Taiwan Accreditation Foundation.  
3.5.3.2  The oxygen concentration report of the standard reference gas issued by a 
laboratory that is certified by Taiwan Accreditation Foundation.  
3.6 When  there are any malfunctions on the oxygen analyzer  or the thermometer , the 
examination and repair have to be completed within two months  since the next 
day of malfunction t ook place.  
3.7 Upload  the Total Nominal Amount of Combustion , types of fuel, the annual fuel 
consumption , Annual Average  of the Exhaust Gas Temperature  and Annual 
Average  of the Exhaust Gas Concentration of Oxygen  (the format as shown in 
Table 4) to the designated website (http://eei.itri.org.tw/ ) and prepare the monthly 
monitor value trend chart  for inspection  by the end of March every year . 
3.8 Reserve  the records of the related calibration, recording and calculations for at 
least five years.  
4. When the energy user uses the Fired Heater, Cracking Furnace or Thermal Fluid 
Heater in one of the following circumstances that results in the non -compliance 
with the provisions regarding the Exhaust Gas Concentration of Oxygen  and the 
Exhaust Gas Temperature , the energy user  then does not have to follow Item 3 of 
this Regulation after it has submitted  the relevant supporting documents to the 
central competent authority and obtained t he approval from the central competent 
authority:  
4.1 The specification of the product or the manufacturing process is special and there 
are special needs on the Exhaust Gas Te mperature  or Exhaust Gas Concentration of 
Oxygen . 
4.2 The Fired Heater, Cracking Furnace or Thermal Fluid Heater that is operated  in a 
batch  production process . 
4.3 The Daily Average Equipment Utilization Rate of the Fired Heater or Cracking 
Furnace is lower than 70%.  
4.4 The Daily Average Equipment Utilization Rate of the Thermal  Fluid Heater is 
lower than 50%.  
4.5 Testing operation of a Newly -Installed Equipment , or an Existing Equipment under 
modification or maintenance.  
4.6 There is a clear  difficult y in install ing any heat recovery unit due to the space or 
legal limitations.  
5. This regulation shall come into  force upon promulgation.  
 
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Figure 1   The monitoring point of the Exhaust Gas Concentration of Oxygen  and the  Exhaust Gas 
Temperature  of the Fired Heater or Cracking Furnace ( without any heat recovery unit installed ) 
 
 
 
Figure 2   The monitoring point of the Exhaust Gas Concentration of Oxygen  and the Exhaust Gas 
Temperature  of the Fired Heater or Cracking Furnace (w ith heat recovery unit installed)  
 
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Figure 3   The monitoring point of the Exhaust Gas Concentration of Oxygen  and the Exhaust Gas 
Temperature  of the Thermal Fluid Heater (w ithout  any heat recovery unit installed ) 
 
 
Figure 4   The monitoring point of the Exhaust Gas Concentration of Oxygen  and the Exhaust Gas 
Temperature  of the Thermal Fluid Heater (w ith heat recovery unit installed ) 
  
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Table 1   The upper limit of the Annual Average  of the Exhaust Gas Concentration of Oxygen and the 
Exhaust Gas Temperature  of the Fired Heater  
Equipment  
/Fuel  
Upper limit  Existing Equipment  Newly -Installed Equipment  
Gas fuel  Liquid  fuel Gas fuel  Liquid  fuel 
Exhaust Gas 
Concentration of 
Oxygen  (%) 3.5 4.2 2.8 3.3 
Exhaust Gas 
Temperature  (°C) 180 200 160 180 
 
Table 2   The upper l imit of the Annual Average  of the Exhaust Gas Concentration of Oxygen  and the 
Exhaust Gas Temperature  of the Cracking Furnace  
Equipment  
/Fuel  
Upper limit  Existing Equipment  Newly -Installed Equipment  
Gas fuel  Liquid  fuel Gas fuel  Liquid  fuel 
Exhaust Gas 
Concentration of 
Oxygen  (%) 3.5 4.2 2.8 3.3 
Exhaust Gas 
Temperature  (°C) 180 200 160 180 
 
 
Table 3   The upper l imit of the Annual Average  of the Exhaust Gas Concentration of Oxygen  and the 
Exhaust Gas Temperature  of the Thermal Fluid Heater  
Equipment  
/Fuel  
 
 
Upper limit  Existing Equipment  Newly -Installed Equipment  
Gas fuel  Liquid  fuel Solid fuel  
(Coal)  Gas fuel  Liquid  fuel Solid fuel  
(Coal)  
Exhaust Gas 
Concentration of 
Oxygen  (%) 5.2 5.7 7.2 4.7 5.1 6.5 
Exhaust Gas 
Temperature  (°C) 220 250 250 200 230 230 
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 Table 4   The application form of the usage of Fired Heater, Cracking Furnace and Ther mal Fluid Heater by energy user  
Name of the energy user:  (company /factory)  
Type of Equipment  (check  one):□ Fired Heater   □Cracking Furnace  □Thermal Fluid Heater  
Application Year :    (the recording time starts from January 1 to December 31  of the application year ) 
Equipment 
number  Total 
Nominal 
Amount  of 
Combustion  
(kcal/h r) Fuel used  
Annual fuel 
consumption  Annual Average  of 
Exhaust Gas 
Temperature  (°C) Annual Average  of 
Exhaust Gas 
Concentration of Oxygen  
(%) Explain the reasons and the responses , if 
there is any abnormal situation . Type  Fuel Lower calorific 
value  
  Gas  kcal/m3 m3 
   Liquid   kcal/L  kL 
Solid  
(Coal)   kcal/kg  kg 
  Gas  kcal/m3 m3 
   Liquid   kcal/L  kL 
Solid  
(Coal)   kcal/kg  kg 
 
Prepared by:  ______________ Title:  ______________ Tel: __________  
Supervisor:  ______________ Title:  ______________ Tel: _________ _