Shift to coolants and refrigerants with lower GWP
Shift to coolants and refrigerants with lower GWP
- Type:Technical AssistanceDate of submission:Phase:ImplementationCountries:Objective:Sectors:Cross-sectoral enabler:
To support the replacement of F-refrigerants used in refrigeration system in food processing production and exports (fruits and vegetables)
Type:Technical AssistanceDate of submission:Phase:CompletedCountries:Objective:Sectors:For more detailed information on this techology transfer, please refer to original project documents under the documents section below.
Green Cooling Africa Initiative (GCAI)
Type:Technical AssistanceDate of submission:Phase:CompletedObjective:Sectors:This Technology Transfer Advance's Namibia, Mauritius, Kenya and Ghana's
- Nationally Determined Contributions to work towards energy and resource efficiency as well as to leapfrog to low global warming potential refrigerants.
- INDC of Namibia
- INDC of Mauritius
- INDC of Kenya
- INDC of Ghana
Context
In Nigeria, ColdHubs’ pay-as-you-store model is reducing food waste, empowering women entrepreneurs, and strengthening resilience.
Type:NewsPublication date:Objective:Cross-sectoral enabler:Approach:Nigeria - ColdHubs is supplying smallholder farmers with walk-in coldrooms using a pay-as-you-store model. This 100% solar-powered innovation is reducing food waste, increasing smallholder farmers' climate resilience, and empowering women retailers.
Efficient air conditioning systems
Type:TechnologySectors: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:OrganisationKnowledge partnerCountry of registration:JapanRelation to CTCN:Network MemberKnowledge PartnerSector(s) of expertise: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.
Radiative Cooling of Solar Cells
Type:ProductBackground: 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:ProductBackground: 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.
Microbes to Sustainably Cheaply Produce 12-Propanediol from Common Sugars
Type:ProductObjective: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.
INDC of Mali
Type:National PlanType of National plan:Country:Mali“Les niveaux des ambitions de reduction des GES du scenario d’atténuation par rapport au scenario de base sont de 29% pour l’agriculture, 31% pour l’énergie et 21% pour les forêts et le changement d’utilisation des terres.” The GHG mitigation scenario’s emission reduction levels, relative to the baseline scenario, are: 29% for agriculture, 31% for energy, and 21% for forests and land-use change.