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Shift to coolants and refrigerants with lower GWP

Shift to coolants and refrigerants with lower GWP

  • Green Cooling Africa Initiative (GCAI)

    Type: 
    Technical Assistance
    Date of submission:
    Phase:
    Completed
    Countries:
    Objective:

    This Technology Transfer Advance's Namibia, Mauritius, Kenya and Ghana's 

    Context

  • Efficient air conditioning systems

    Type: 
    Technology
    Objective:

    Cooling is becoming a rapidly emerging demand in developing countries, which signifies that the building design and shell measures need to reduce cooling loads, and the efficiency of air-conditioning will need to be improved. Air conditioning systems are implemented in numerous sectors, namely buildings, industry and transport. They are distinguished in two main categories, room air conditioners and central air conditioners.

  • Global Environment Centre Foundation

    Type: 
    Organisation
    Knowledge partner
    Country of registration:
    Japan
    Relation to CTCN:
    Network Member
    Knowledge Partner

    The Global Environment Centre Foundation (GEC) is an entity that supports the UNEP’s International Environmental Technology Centre (IETC), based in Japan. GEC is dedicated to the transfer of environmentally sound technologies, in both developing countries and countries with economies in transition. The foundation aims to contribute to Japan’s international efforts on the environment, sharing project collaborations as well as promoting Japan’s rich conservation knowledge and experience in developing nations.

  • HEAT - Habitat, Energy Application & Technology

    Type: 
    Organisation
    Country of registration:
    Germany
    Relation to CTCN:
    Network Member

    HEAT is a independent consulting company focussed on the development and implementation of projects for climate and ozone protection. HEAT has a focus on technology cooperation, policy advice for climate protection technologies, particular in the areas of energy efficiency, cooling and refrigeration, F-gases, inventories, roadmaps, carrying out technical and economic feasibility studies and capacity building measures such as training and certification. HEAT is also the Coordination Office of the NDE Germany.

  • Microbes to Sustainably Cheaply Produce 12-Propanediol from Common Sugars

    Type: 
    Product
    Objective:
    Technology:

    The major commodity chemical 12-propanediol (also known as 12-PD or propylene glycol) is used in certain resins laundry detergents pharmaceuticals cosmetics and antifreeze. More than a billion pounds of the compound are produced annually in the United States. Conventionally made from petrochemicals and involving several toxic compounds and large quantities of water 12-PD can be produced more sustainably from glycerin. Using microorganisms capable of secreting the compound from sugar is an even more environmentally responsible alternative.

  • Radiative Cooling of Solar Cells

    Type: 
    Product

    Background: Stanford researchers at the Fan Group have developed a novel method of passively cooling solar cells via a radiative cooling mechanism. The pyramid structures made of silica glass (shown in image below) provide maximal radiative cooling capability. Technology Description: We have developed a way of passively cooling solar cells that are exposed to the sun and hence heat up via a radiative cooling mechanism. This is an enormously important issue since solar cells operate at high temperatures which degrade both their efficiency and long-term durability.

  • Storage of Hydrogen Methane and Freons by Van der Waals Confinement

    Type: 
    Product

    Background: Calixarene-type compounds and self-assembled and spherical hexamers of calixarene derivatives have been proposed for various applications. Typically these compounds’ structures are maintained through stronger chemical bonding such as covalent bonding or hydrogen bonding. Technology Description: The present invention describes the use of self-assembled calixarene guest-host assemblies utilizing the weaker van der Waal forces for structural stability and guest confinement. These guest-host assemblies have shown high temperature stability.