Estimation of Shipping Emissions in Developing Country: A Case Study of Mohammad Bin Qasim Port, Pakistan
Abstract
:1. Introduction
2. Literature Review
3. Materials and Methods
3.1. Study Area
3.2. Data Collection
3.3. Research Methodology
3.3.1. Emission Inventory Methodology
- —
- E = emissions;
- —
- EF = emission factor (g/kWh);
- —
- LF = engine load factor (%);
- —
- P = engine power (kW);
- —
- T = time spent (h);
- —
- e = engine category (main, auxiliary);
- —
- i = pollutant;
- —
- j = engine type (slow-, medium-, high-speed diesel);
- —
- f = fuel type (BFO, MDO); and
- —
- p = operation mode of trip (port, maneuvering, anchorage).
- (a)
- Emissions at hoteling stage
- —
- Thott = the time spend by vessels at the berthing stage (h);
- —
- ME = the maximum main engine power (kW);
- —
- LFME = the load factor of the main engine (%);
- —
- AE = the auxiliary engine power (kW);
- —
- LFAE = the load factor of auxiliary engine (%);
- —
- B is the auxiliary boiler energy default; and
- —
- EF = emission factors associated with each engine type in hoteling mode (g/kWh);
- (b)
- Emissions at maneuvering stage
- —
- Tman = the time spend by vessels at maneuvering stage (h);
- —
- ME = the maximum main engine power (kW);
- —
- LFME = the load factor of the main engine (%);
- —
- AE = the auxiliary engine power (kW);
- —
- LFAE = the load factor of auxiliary engine (%);
- —
- B is the auxiliary boiler energy default; and
- —
- EFME, EFAE, and EFB are emission factors associated with each engine type in maneuvering mode(g/kWh).
- (c)
- Emissions at reduced speed zone
- —
- TRSZ = the time spend by vessels at the reduced speed zone stage (h);
- —
- ME = the maximum main engine power (kW);
- —
- LFME = the load factor of the main engine (%);
- —
- AE = the auxiliary engine power (kW);
- —
- LFAE = the load factor of auxiliary engine; and
- —
- EFAE are emission factors associated with each engine type in the RSZ mode.
- (d)
- Emission social cost
- —
- Social Cost = total calculated monetary value in dollar ($);
- —
- Emission = emission totals per pollutant type (a);
- —
- SCF = value of pollutant ($/ton); and
- —
- i = pollutant type.
3.3.2. Research Framework
3.3.3. Engine Powers and Load Factors
4. Results and Discussion
4.1. Emissions at Three Different Operational Stages
4.2. Ship Emissions Studies Comparison with Other Ports
4.3. Emission Social Cost
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
Appendix A
Ship Type | IMO No. | MMSI | Manufacturing Data | ME (kW) | AE (kW) | DWT | GT |
---|---|---|---|---|---|---|---|
Bulk Carrier | 97,321 ** | 5,656,550 ** | 2014 | 8100 | 1552 | 57,945 | 32,750 |
Bulk Carrier | 93,952 ** | 5,380,069 ** | 2009 | 8425 | 2527 | 53,428 | 31,094 |
Bulk Carrier | 97,232 ** | 3,719,650 ** | 2019 | 9150 | 2745 | 63,539 | 36,353 |
Bulk Carrier | 93,002 ** | 5,642,200 ** | 2005 | 8200 | 1552 | 55,862 | 30,822 |
Bulk Carrier | 97,089 ** | 5,489,120 ** | 2015 | 8200 | 1560 | 57,811 | 32,399 |
Bulk Carrier | 92,384 ** | 5,647,240 ** | 2002 | 7800 | 1340 | 52,383 | 30,303 |
Bulk Carrier | 98,527 ** | 6,360,186 ** | 2019 | 8686 | 2605 | 63,555 | 35,832 |
Emission | Range (US$/ton) | Value Used in This Study (US$/ton) |
---|---|---|
CO2 | 15–42 | 29 |
CH4 | 250–2500 | 812 |
CO | 160–3200 | 1146 |
PM10 | 2000–498,791 | 76,867 |
PM2.5 | 1000–554,229 | 85,771 |
NOx | 269–58,300 | 10,687 |
SOx, SO2 | 379–64,997 | 12,329 |
HC | 750–3824 | 2985 |
Engine | Phase | Engine Type | Fuel Type | Sulphur % | SO2 | NOx | NMVOC | HC | CO2 | CO | PM2.5 | PM10 | CH4 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Main | RSZ | SSD | RO | 2.70% | 10.5 | 16.9 | 0.6 | 0.6 | 620 | 0.5 | 1.31 | 1.42 | 0.006 |
SSD | MDO | 1.00% | 3.7 | 15.8 | 0.6 | 0.6 | 588 | 0.5 | 0.45 | 0.42 | 0.006 | ||
SSD | MGO | 0.50% | 0.9 | 15.8 | 0.6 | 0.6 | 588 | 0.5 | 0.31 | 0.28 | 0.006 | ||
MSD | RO | 2.70% | 11.5 | 13.0 | 0.5 | 0.5 | 677 | 1.1 | 1.43 | 1.32 | 0.004 | ||
MSD | MDO | 1.00% | 4.1 | 12.3 | 0.5 | 0.5 | 645 | 1.1 | 0.47 | 0.43 | 0.004 | ||
MSD | MGO | 0.50% | 1.0 | 12.3 | 0.5 | 0.5 | 645 | 1.1 | 0.31 | 0.29 | 0.004 | ||
HSD | RO | 2.70% | 11.5 | 11.8 | 0.2 | 0.2 | 677 | 1.1 | 1.47 | 1.35 | 0.004 | ||
HSD | MDO | 1.00% | 4.1 | 11.2 | 0.2 | 0.2 | 645 | 1.1 | 0.58 | 0.53 | 0.004 | ||
HSD | MGO | 0.50% | 1.0 | 11.2 | 0.2 | 0.2 | 645 | 1.1 | 0.35 | 0.32 | 0.004 | ||
Maneuvering Hoteling | SSD | RO | 2.70% | 11.6 | 4.7 | 2.5 | 1.8 | 682 | 1.0 | 1.32 | 1.43 | 0.012 | |
SSD | MDO | 1.00% | 4.1 | 4.7 | 2.6 | 1.8 | 647 | 1.0 | 0.44 | 0.47 | 0.012 | ||
SSD | MGO | 0.50% | 1.0 | 4.7 | 2.6 | 1.8 | 647 | 1.0 | 0.29 | 0.31 | 0.012 | ||
MSD | RO | 2.70% | 12.7 | 44.6 | 6.3 | 1.5 | 745 | 2.2 | 1.32 | 1.44 | 0.008 | ||
MSD | MDO | 1.00% | 4.5 | 44.3 | 6.6 | 1.5 | 710 | 2.2 | 0.46 | 0.50 | 0.008 | ||
MSD | MGO | 0.50% | 1.1 | 44.3 | 6.6 | 1.5 | 710 | 2.2 | 0.30 | 0.32 | 0.008 | ||
HSD | RO | 2.70% | 12.7 | 40.6 | 8.2 | 0.6 | 745 | 2.2 | 1.32 | 1.44 | 0.008 | ||
HSD | MDO | 1.00% | 4.5 | 40.1 | 8.6 | 0.6 | 710 | 2.2 | 0.46 | 0.50 | 0.008 | ||
HSD | MGO | 0.50% | 1.1 | 40.1 | 8.6 | 0.6 | 710 | 2.2 | 0.30 | 0.32 | 0.008 | ||
Auxiliary | Maneuvering Hoteling | MSD | RO | 2.70% | 12.3 | 60.4 | 1.7 | 0.4 | 722 | 0.9 | 1.32 | 1.44 | 0.004 |
MSD | MDO | 1.00% | 4.3 | 59.7 | 1.8 | 0.4 | 690 | 0.9 | 0.45 | 0.49 | 0.004 | ||
MSD | MGO | 0.50% | 1.1 | 59.7 | 1.8 | 0.4 | 690 | 0.9 | 0.29 | 0.32 | 0.004 | ||
HSD | RO | 2.70% | 12.3 | 47.6 | 1.7 | 0.4 | 722 | 1.3 | 1.32 | 1.44 | 0.01 | ||
HSD | MDO | 1.00% | 4.3 | 46.8 | 1.8 | 0.4 | 690 | 0.8 | 0.45 | 0.49 | 0.01 | ||
HSD | MGO | 0.50% | 1.1 | 46.8 | 1.8 | 0.4 | 690 | 0.8 | 0.29 | 0.32 | 0.01 | ||
Boilers | Maneuvering Hoteling | - | RO | 2.70% | 18.1 | 1.6 | 0.3 | 0.3 | 1067 | 0.4 | 1.35 | 1.47 | 0.02 |
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Ship Type | Non-Linear Regression of 2010 World Fleet | AE Power Ratio |
---|---|---|
Bulk Carrier | 14.755 × GT0.6082 | 0.30 |
Container Ship | 2.9165 × GT0.8719 | 0.25 |
General Cargo | 5.56482 × GT0.7425 | 0.23 |
Tankers | 35.912 × GT0.5276 | 0.30 |
Types of Ships | Total Number |
---|---|
Bulk Carriers | 321 |
Tankers | 579 |
Container ships | 481 |
General Cargo ships | 53 |
Engine Type | SO2 | NOx | NMVOC | HC | CO2 | CO | PM2.5 | PM10 | CH4 |
---|---|---|---|---|---|---|---|---|---|
Main Engine | 10.4 | 14.7 | 0.9 | 0.8 | 614.7 | 0.6 | 1.3 | 1.4 | 0.1 |
Auxiliary Engine | 1304.4 | 6170.2 | 180.3 | 42.4 | 76,568.2 | 103.0 | 140.0 | 152.7 | 0.5 |
Boiler | 560.5 | 49.6 | 9.3 | 9.3 | 33,044.1 | 12.4 | 41.8 | 45.5 | 0.6 |
Emissions Total | 1875.3 | 6234.5 | 190.5 | 52.5 | 110,227 | 116 | 183.1 | 199.6 | 1.2 |
Operation Mode | CO2 | NOx | NMVOC | HC | SO2 | CO | PM2.5 | PM10 | CH4 |
---|---|---|---|---|---|---|---|---|---|
Hoteling | 106,970.9 | 6027.7 | 183.9 | 50.4 | 1819.9 | 112.1 | 177.1 | 193.2 | 1.04 |
Maneuvering | 1735.9 | 111.4 | 3.4 | 1.1 | 29.5 | 2.0 | 3.1 | 3.3 | 0.2 |
Reduced Speed Zone | 1520.1 | 99.2 | 0.9 | 0.08 | 25.8 | 1.8 | 2.7 | 3.0 | 0.005 |
Port | Inventory Period | Operation Analyzed | Pollutants Studies | Study | Emission (Tons/Year) |
---|---|---|---|---|---|
Muhammad Bin Qasim Port Pakistan | 2020 | RSZ, M, H | PM10, PM2.5, NOx, SO2, CO, CO2, CH4, NMVOC, and HC | Current Study | 119,079 |
Bohai Bay, Yangtze River Delta, and Pearl River Delta China | 2018 | C, RSZ, M, H | PM10, PM2.5, NOx, SOx, CO, CO2, N2O, and HC | Wan et al. [33] | 7,715,172.03 11,049,016.09 4,329,337.25 |
Izmir Bay, Turkey | 2018 | C, M, H | SO2, NOx, CO2, PM10, HC | Toz et al. [61] | 20,425.8 |
Bandirma Port, Turkey | 2018 | H | PM10, NOx, SO2, and CO | Kuzu et al. [36] | 282,685.3 |
Izmir Bay, Turkey | 2018 | C, M, H | SO2, NOx, CO2, PM, HC | Buber et al. [7] | 64,222.6 |
Pollutant Type | Emission Social Costs ($) |
---|---|
NOx | 66,628,101.50 |
SO2 | 23,120,574 |
HC | 156,712.50 |
CO2 | 3,196,583 |
CO | 132,936 |
PM2.5 | 15,704,670 |
PM10 | 15,342,653 |
Total | 124,282,230 |
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Hussain, I.; Wang, H.; Safdar, M.; Ho, Q.B.; Wemegah, T.D.; Noor, S. Estimation of Shipping Emissions in Developing Country: A Case Study of Mohammad Bin Qasim Port, Pakistan. Int. J. Environ. Res. Public Health 2022, 19, 11868. https://doi.org/10.3390/ijerph191911868
Hussain I, Wang H, Safdar M, Ho QB, Wemegah TD, Noor S. Estimation of Shipping Emissions in Developing Country: A Case Study of Mohammad Bin Qasim Port, Pakistan. International Journal of Environmental Research and Public Health. 2022; 19(19):11868. https://doi.org/10.3390/ijerph191911868
Chicago/Turabian StyleHussain, Iftikhar, Haiyan Wang, Muhammad Safdar, Quoc Bang Ho, Tina D. Wemegah, and Saima Noor. 2022. "Estimation of Shipping Emissions in Developing Country: A Case Study of Mohammad Bin Qasim Port, Pakistan" International Journal of Environmental Research and Public Health 19, no. 19: 11868. https://doi.org/10.3390/ijerph191911868