Hong Kong Greenhouse Gas (GHG) Emissions 1970-2021 | MacroTrends

Total greenhouse gas emissions in kt of CO2 equivalent are composed of CO2 totals excluding short-cycle biomass burning (such as agricultural waste burning and Savannah burning) but including other biomass burning (such as forest fires, post-burn decay, peat fires and decay of drained peatlands), all anthropogenic CH4 sources, N2O sources and F-gases (HFCs, PFCs and Sulfr hexafluoride). Hong Kong greenhouse gas (ghg) emissions for 2012 was 58,633.52, a 2.96% increase from 2011.

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Sulfr hexafluoride: The Little Gas That Could… Make Global Warming Worse

Mar 25, 2021 · The annual emissions rate rose from about 7.3 gigagrams or Gg estimated in 2008 to about 9.04 Gg in 2018, an increase of 24% over the course of the decade. For reference, 9 Gg of SF 6 equates to...

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Greenhouse gas emission and its control in Hong Kong

The Hong Kong Polytechnic University Date: 21 May 2007 (1) Greenhouse gas (GHG) emission in Hong Kong Carbon dioxide (CO 2) is the major greenhouse gas (GHG) emissions in Hong Kong. In the year 2005, 99% of the GHG emissions in Hong Kong is due to CO2 (Table 1). There was a substantial

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Greenhouse Gas Emissions and Control in Hong Kong

2. Greenhouse Gas Emissions of Hong Kong Table 1 shows the historical trend of GHG emission and the emission per capita in Hong Kong from 1990 to 2005. In 2005, 44.8 million tonnes of GHG were emitted. The per capita emission, which was 6.5 tonnes, is about 6% lower than the 1990 baseline level. Among various GHG emissions, about

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Emissions of the powerful greenhouse gas sf 6 are rising

Energy consumption and production contribute to two-thirds of global emissions, and 81% of the global energy system is still based on fossil fuels, the same percentage as 30 years ago. Plus, improvements in the energy intensity of the global economy (the amount of energy used per unit of economic activity) are slowing.

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GLOBAL EMISSION SOURCES OF GREENHOUSE GAS EMISSIONS FROM

virtually no insulating gas emissions occur, since most of the sf 6 is decomposed when reacting with aluminium (Victor and MacDonald, 1998). After checking with the patent description it is concluded that all SF 6 used

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Vehicle Emission Inventory Development in Hong Kong

Vehicle Emission Inventory Development in Hong Kong Dr. Carol Wong Senior Environmental Protection Officer Environmental Protection Department February, 2012 Environmental Protection Department 2011 International Workshop on Mobile Source Emission Inventory and Transportation Conformity 1

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generation is the major source of GHG emissions in Hong Kong, accounting for over 60% of the total local emissions. The transport sector is the second largest GHG emission source (16%), followed by waste (12%). Among various end uses of electricity, buildings account for some 89% in Hong Kong. Therefore, reducing electricity consumption for

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Hong Kong CO2 Emissions - Worldometer

Fossil CO2 emissions in China, Hong Kong SAR were 47,066,386 tons in 2016. CO2 emissions increased by 1.23% over the previous year, representing an increase by 572,124 tons over 2015, when CO2 emissions were 46,494,262 tons. CO2 emissions per capita in the Hong Kong Special Administrative Region of the PeopleRepublic of China are equivalent to 6.50 tons per person (based on a population of 7,243,542 in 2016 ), an increase by 0.03 over the figure of 6.47 CO2 tons per person registered in 2015;

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Hong Kong CO2 emissions, 1970-2020 - knoema.com

In 2019, CO2 emissions for Hong Kong was 44 million tonnes. CO2 emissions of Hong Kong increased from 9.5 million tonnes in 1970 to 44 million tonnes in 2019 growing at an average annual rate of 3.45%. Carbon dioxide emissions are those stemming from the burning of fossil fuels and the manufacture of cement. They include carbon dioxide produced during consumption of solid, liquid, and gas

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3M™ Novec™ Insulating Gas – Sustainable SF₆ alternative | 3M

The EU Commission has issued a new report on Sulphur Hexafluoride (SF₆) alternatives and potential SF₆ phase out scenarios related to the so-called F-gas regulation (EU Regulation 517/2014). 3M™ Novec™ Insulating Gas – a sustainable alternative to SF₆.

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Medium Voltage blue GIS | Systems | Siemens Global

Hannover Messe 2021 took place from April 12 to 16 in digital format.. Siemens participated with a unique virtual presence. In line with the motto "Infinite opportunities from infinite data", participants in the Digital Enterprise Virtual Experience were able to explore all of the Siemens highlights in a realistic 3D environment and be inspired by this first-rate digital experience.

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Selective Dry Etching of GaN Over AlGaN in BCL3/insulating gas Mixtures

Inductively coupled plasma (ICP) etching of GaN with high selectivity over Al. 22 Ga. 78 N in BCl 3 /SF 6 mixtures has been studied. Selectivity and surface morphology were investigated over a wide range of pressures (3.75 37.5mTorr), RF powers (30 120 W), ICP powers (100 400 W), and SF 6 /BCl 3 ratios (0.1 0.7). Higher pressures, lower dc biases, and higher SF 4 /BCl 3 ratios increased the GaN to AlGaN selectivity.

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insulating gas Emissions | sf6 gas Recovery | sf6 gas Maintance | Electricity

The Kyoto Protocol is an international agreement between nations that came into force in 2005. It commits its parties by mandating country-by-country reductions in greenhouse gas emissions. Due to the chemical stability of SF 6 gas it has the potential to remain in the atmosphere for thousands of years.

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insulating gas gas in medium-voltage switchgear | TD Guardian Articles

The emissions of HFCs, PFCs, and gaz sf6 for 2000 are shown in the EPA report as having 2% of the global warming potential of all greenhouse gas emissions. A CIGRE working group WG23.02 studied gaz sf6 use in the electric industry, and estimated that the electrical emissions of sf6 gas has into the atmosphere accounted for approximately 0.1% of the total global warming potential in the same time period.

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Hong Kong greenhouse gas inventory for 2016 released

Hong Kongtotal GHG emissions in 2016 amounted to 41.9 million tonnes of carbon dioxide equivalent, representing a slight increase of about 0.5 per cent compared with 2015, which was lower than the population growth of about 0.6 per cent over the same period.

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CARB Amending Sulfr hexafluoride Regulation: Stricter Requirements for

Mar 04, 2019 · The current sf6 gas Regulation came into effect in 2011, setting an annual emission rate limit for sf 6 as a percentage of a GIE owner’s cumulative insulating gas nameplate capacity. Allowable emission rates under the gaz sf6 Regulation started at 10% in 2011, decreasing by 1% per year until 2020, after which point the allowable emission rate remains constant at 1%.

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Hong Kong Carbon (CO2) Emissions 1960-2021 | MacroTrends

Carbon dioxide emissions are those stemming from the burning of fossil fuels and the manufacture of cement. They include carbon dioxide produced during consumption of solid, liquid, and gas fuels and gas flaring. Hong Kong carbon (co2) emissions for 2016 was 43,644.63, a 2.34% increase from 2015.

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Hong Kong falls 78 per cent short of 2030 carbon emissions

Dec 04, 2018 · Hong Kong has fallen 78 per cent short of the 2030 carbon emissions target set by C40 Cities for high emitting cities, a study by NGO CarbonCare InnoLab has suggested. Hong Kong is set to reduce

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Environmental Affairs - LegCo

the Hong Kong Government first pledged to cut carbon intensity (i.e. ratio of GHG emissions relative to Gross Domestic Product ("GDP") in 2020 by 50-60%, as compared with 2005 level. In January 2017 , the Government pledged further to bring down carbon intensity by 65-70%, whilst making a new commitment of reducing per capita emission by 37-45%

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Limiting sf 6 Gas Emissions by Optimization of Design and

6 Gas Emissions by Optimization of Design and Handling over the Life Cycle of HV Switchgear. J.L. Bessede, A. Buescher, R. Marshall, G.F. Montillet , A. Stelter AREVA TD Abstract SF 6 gas is widely used in the high-voltage electrical industry because it is an excellent dielectric and has a very good electrical arc switching characteristic.

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Greenhouse gases emissions from the logistics sector: the

In this study, greenhouse gases (GHG) emissions from the logistics sector were investigated using Hong Kong as an example. The data including cargo freight between Hong Kong and other places by different transport modes (i.e. aircraft, container ships, trucks, and trains) for the period of 2007–2012 were collected.

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Fluoride Action Network | Sulfur hexafluoride (insulating gas) emission

Industry type: Greenhouse/Ozone Gases. Abstract: Sulfur hexa fluoride (Sulfr hexafluoride) is the most potent greenhouse gas regulated under the Kyoto Protocol, with a high global warming potential. In this study, gaz sf6 emissions from China were inventoried for 1990–2010 and projected to 2020. Results reveal that the highest Sulfr hexafluoride emission contribution originates from the electrical equipment sector (about 70%), followed by the magnesium production sector, the semiconductor manufacture sector and the insulating gas

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Global Gas-Insulated Switchgear Market (2020 to 2025

Jun 24, 2020 · Contacts. ResearchAndMarkets.com Laura Wood, Senior Press Manager [email protected] For E.S.T Office Hours Call 1-917-300-0470 For U.S./CAN Toll Free Call 1-800-526-8630 For GMT Office

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GE and Hitachi ABB sign landmark environmental agreement

Apr 21, 2021 · GE and Hitachi ABB sign landmark environmental agreement. Apr 21, 2021. GE Renewable Energy’s Grid Solutions (GE) and Hitachi ABB Power Grids signed a landmark agreement that paves the way for a standard sulfur hexafluoride-free solution for high-voltage equipment. On April 21, 2021 GE and Hitachi ABB announced a non-exclusive, cross-licensing agreement related to the use of an alternative gas to sulfur hexafluoride (Sulfr hexafluoride) used in high voltage equipment, GE said in a press release.

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Rapid field measurement of ventilation rate using a quartz

May 25, 2020 · This research is supported by the General Research Fund (Grant No. 14206317), the Innovation and Technology Fund (Grant No. ITS/242/19), the Early Career Scheme (Grant No. 25210419) from the Research Grants Council of the Hong Kong SAR, China, and Natural Science Foundation of Guangdong Province of China (Grant No. 2019A1515011372).

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CEI EN 62271-4 - High-voltage switchgear and controlgear Part

Find the most up-to-date version of CEI EN 62271-4 at Engineering360.

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The effect of a lithium niobate heating on the etching rate

Jan 11, 2019 · The effect of substrate temperature on the plasma-chemical etching rate of lithium niobate (LiNbO 3) single-crystals in an inductively coupled plasma (ICP) is studied in this paper. we found that the etching rate is a complex function of a substrate temperature with an interval where increases in the temperature lead to a significant growth of the etching rate. comparing the results of LiNbO 3

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REDUCTIONS OF Sulfr hexafluoride EMISSIONS FROM HIGH AND MEDIUM VOLTAGE

million tons of CO2-equivalent to EU-15 emissions, respectively. Although the electricity industry is a major user of sf6 gas it is only a minor source of Sulfr hexafluoride emissions. Since 1995, voluntary actions by the European electricity industry have resulted in a reduction of 40 % of insulating gas emissions. Most of the potential for emission

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Siemens Energy to deliver gaz sf6-free gas-insulated switchgear

Apr 29, 2021 · April 27 – Zhongyu Gas, a pioneer in the Chinese gas industry, has achieved remarkable growth during the pandemic. The Hong-Kong headquartered TSO recorded a turnover of approximately HK $8,544 million in 2020, up 4.9% year-on year, while profit attributable to owners of the group was HK $1,057 million, a staggering 145.7%.

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