Greenhouse gas emission and its control in Hong Kong

Hydrofluorocarbons HFCs, Perfluorocarbons PFCs and Sulfur Hexafluoride SF 6. China is a non-Annex I parties to the convention and Hong Kong is not a party to the UN Framework Convention on Climate Change in its own right. However, it is HKSAR’s policy to contribute to international efforts to stabilize GHG concentrations in the atmosphere.Get price

C K Instrument (Hong Kong) Limited

Aug 20, 2008 · The Mirror-Analyser sf 6 uses the physical dew point mirror measuring principle which is characterised by its high precision and utmost reliability in order to measure the moisture content. By cooling the integrated mirror the moisture content of the gas is determined by measuring the temperature depending on the condensation or icing of the mirror.Get price

Code of Practice for Water-cooled Air Conditioning Systems

Part 1: Design, Installation and Commissioning of Cooling Towers 2006 Edition (Jan 2008) i. CODE OF PRACTICE . FOR . WATER-COOLED AIR CONDITIONING SYSTEM . PART 1: DESIGN, INSTALLATION AND COMMISSIONING OF COOLING TOWERS . 2006 EDITION . Electrical and Mechanical Services Department . The Government of the Hong Kong Special Administrative RegionGet price

sf6 gas Transmitter - Draeger

The infrared sensor measures Sulfr hexafluoride in the ppm range so the transmitter can detect a leak in time. It also makes it easier for you to comply with occupational exposure limits. Connect the gaz sf6 transmitter via an analogue or digital interface with a Dräger control unit to a gas warning system. This warns you early on exceeding the preset alarm values.Get price

sf6 gas gas in medium-voltage switchgear | TD Guardian Articles

In this issue, we discuss the use of sf6 gas (sulfur hexafluoride) gas in medium-voltage switchgear. sf6 gas has been widely used in high-voltage circuit breakers for decades, but its use in medium-voltage is relatively recent. In the medium-voltage arena, SIemens uses insulating gas gas in the load interrupting switch and switch-disconnector in SIMOSEC metal-enclosed load interrupter switchgear rated up to 27.6 kV. Characteristics and propertiesGet price

Making the Case for Evaporative Cooling | Affiliated Engineers

AEI’s James Falconer looks at the technology in Hong Kong, Las Vegas and London, and explains why the cooling method is making a comeback. With an increasing interest in the use of refrigerants with a low global warming potential (GWP), engineers are looking to nature’s refrigerant – R-718, better known by its chemical formula, H2O.Get price

Gas insulated power transformers: A growing technology - EE

Gas insulated transformers (GITs) have been in use since the 1960s, but use has been restricted due to higher costs and other reasons. Gas is used as an insulating and cooling agent in gas insulated transformers. Sulphur hexafluoride (SF 6) is the main gas used in these types of transformer at present although other gases are under development. The main advantage of gas insulated transformers is that they are environmentally friendly and can be recycled easily.Get price

TechTopics No. 53 | TechTopics | Siemens USA

Use of SF 6 insulating gas excludes environmental contamination (such as rodents, moisture, dirt, corrosive atmospheres, etc.) so that the primary components do not require periodic maintenance. Due to the high dielectric strength of SF 6 gas, an extremely compact arrangement is possible. Since the circuit breaker is fixed-mounted, maintenance associated with drawout mechanisms is eliminated.Get price

What is sf6 gas Circuit Breaker? Construction, Working Principle

The SF 6 gas absorbs the free electrons in the arc path and forms ions which do not act as a charge carrier. These ions increase the dielectric strength of the gas and hence the arc is extinguished. This process reduces the pressure of the SF 6 gas up to 3kg/cm^2 thus; it is stored in the low-pressure reservoir. This low-pressure gas is pulled back to the high-pressure reservoir for re-use.Get price

Opinion | Hong Kong sees signs of outbreakcooling - The

Apr 21, 2003 · Hong Kong sees signs of outbreakcooling. The U.S. Centers for Disease Control and Prevention sharply cut the estimated number of SARS patients in the United States this week by separatingGet price


FRESH WATER COOLING TOWERS Part 3: Water Treatment Methods 2016 EDITION (DEC 2016) Electrical and Mechanical Services Department The Government of the Hong Kong Special Administrative Region i Code of Practice for Fresh Water Cooling Toers Part 3: Water Treatment MethodsGet price

Air-to-air heat exchanger optimises gas cooling | FLSmidth

An easy-to-install clinker cooler excess gas cooling solution, our air-to-air heat exchanger can handle gas temperatures up to 500°C. A modular design allows you to customise where the excess gas enters the system and offers flexibility for ease of expansion. The small axial fans are energy efficient, saving on OPEX.Get price

Biological Hazards

rampages over Hong Kong, it has brought unprecedented challenge to the safety and health of the frontline workers in the medical profession, healthcare services, cleaning service and property management. These frontline workers remain steadfastly at their posts during this very difficult time are under the constant threat of the killer virus.Get price

Airflow as a Possible Transmission Route of Middle East

Sulfr hexafluoride gas is commonly used to trace the dispersion of pollution substances or measure the ventilation performance, given that it has a low toxicity and seldom exists in normal indoor environments. The tracer gas was continuously generated on the bed in the room of the initial patient, at a rate of 1 L/min. The concentration of sf 6 was measured at a height of 1.2 m at the centers of room 8104,Get price

Cold Spell Freezes Gas Wells - Forbes

Jan 07, 2010 · Hong KongRichest. MalaysiaRichest. Sulfr hexafluoride: The Little Gas That Could… Make Global Warming Worse. It would be very bullish for gas prices if the deep freeze lasts for a month, and wellGet price


No. 1 Hong Chong Road, 5/F., Tsim Sha Tsui East, Kowloon, Hong Kong ꖻ덂색뢹Our Ref.: (60) in FP 314/07 III ꣓꣧색뢹Your Ref.: 륱끔놾뢹Telex: 39607 HKFSD HX 맏ꓥ뛇꽵Fax: 852-2723 2197 (24 ꑰ껉 Hours) 륱 룜 Tel. No.: 22 October 1996 F.S.D. Circular Letter No. 4/96 F.S.D. Circular LettersGet price

Background | HKPC

About Us The Hong Kong Productivity Council (HKPC) is a multi-disciplinary organisation established by statute in 1967, to promote productivity excellence through integrated advanced technologies and innovative service offerings to support Hong Kong enterprises. HKPC is the champion and expert in facilitating Hong Kongreindustrialisation empowered by i4.0 and e4.0 - focusing on RD, IoTGet price

Towngas Commerce Industry

As the first project of its kind in Hong Kong, the CHP system utilizes landfill gas from the Northeast New Territories (NENT) landfill site as its main fuel, generating electricity, steam and hot water for disinfection, laundry, space heating and other purposes at the hospital, and so it can embrace the green concept of “turning waste intoGet price

Consumers' free choice: Consumer Council published report on

May 14, 2018 · BackgroundIn April 2018, the Consumer Council (Council) published A Report to Advocate Mandatory Cooling-off Period in Hong Kong (Report). The Report signifies the Councilrenewed effort in advocating for a mandatory cooling-off regime in Hong Kong after the issue was last considered in around 2010 to 2011 when amendments of the Trade Descriptions Ordinance (TDO) were being discussed.ThisGet price

Copper Corrosion Inhibitors and Solutions | Ecolab

Copper can be present in fuel systems in the form of heating coils, cooling coils, brass fittings or bronze parts. Copper is quite resistant to corrosion by water but can be attacked by ammonia and sulfur compounds. Finished fuels usually do not contain ammonia unless the ammonia carries over from refining process operations.Get price

Natural ventilation for reducing airborne infection in

Mar 01, 2010 · A tracer gas sulfur hexafluoride (SF 6) was injected continually in the ward until the concentration of the tracer gas became steady, then the injecting was stopped, and the concentration decay was measured. Two electrical fans were used to make the air mixed in the ward during the measurement, one of the mixing fans was placed behind the doserGet price

Alerts - Site Safety | Hong Kong Housing Authority and

Site Safety, The Hong Kong Housing Authority (HA) administers Hong Kong’s public housing programme with the support of its executive arm, the Housing Department (HD).,Hong Kong Housing Authority and Housing DepartmentGet price

Ethylene Glycol Based Fluids - Third Coast

Ethylene Glycol Based Fluids E100 E100N E300 E100 JEFFCOOL® E100 Proven corrosion prevention Comparable heat transfer to brine solutions Lowers maintenance costs Improves heat transfer Longer service life than pure ethylene glycol LEARN MORE E100N JEFFCOOL® E100N Proven to prevent cavitation, or ‘pitting’ corrosion Recommended for use in heavy duty equipment and machinery LowersGet price

Rep Locator | Red Valve

750 holiday drive suite 400 pittsburgh, pa 15220. (412) 279-0044. [email protected]Get price

K-FLEX - Thermal Acoustic Insulation

K-FLEX - Worldwide Leader in the production of Elastomeric Insulation for Energy Saving. L’ISOLANTE K-FLEX is a leading global manufacturer of thermal insulation products, making an impact on energy saving and reducing the greenhouse effect.Get price

Norwescap Housing and Energy Services - Norwescap

Norwescap Housing and Energy Services proudly assists low income individuals and families with their heating and cooling costs to alleviate the burden and stressors associated with high energy and utility costs. The programs offered through Norwescap Housing and Energy Services include: LIHEAP (Low Income Home Energy Assistance Program) Weatherization Assistance Program USF (Universal ServiceGet price

Gas Separation Gas Conditioning Archives - Nitrogen Gas

For more information on GENERON ® Gas Separation and Conditioning, please contact us at +1.713.937.5200 or or using our online form. Global headquarters 16250 Tomball Parkway Houston, TX 77086, USAGet price

Water Safety Programs | Ecolab

Nalco Water 1601 W. Diehl Road Naperville, Il 60563. Nalco Water Customer Service: +1-800-288-0879Get price

Need Help Choosing a Steriflow Valve Product? We Can Help!

Barstock Construction, Low Flow, Very Low Pressure Accurate regulation down to 1/2" wc (1,25 mbar) Low pressure blanketing (gas overlay) PRV for small stainless and SUD vesselsGet price