India's Indigenous Green Refrigerant — HFO-1234yf

CSIR-IICT, Hyderabad developed India's first indigenous process technology for HFO-1234yf.

Why Important?

HFO-1234yf can replace HFCs in refrigeration and air-conditioning systems.

Significance

• Supports Atmanirbhar Bharat
• Domestic production
• Lower dependence on imported refrigerant technology
• Supports environmentally sustainable cooling.

Related Development — SALT

SALT = Smart Algal Liquid Tree

Developed by CSIR-CIMFR.

It is a mobile “Liquid Tree” using microalgae to:

• Absorb CO₂
• Release oxygen
• Reduce dust.

Installed at:

• CSIR-CIMFR, Dhanbad
• Northern Coalfields Limited, Singrauli.

Prelims Recall

HFO-1234yf → green refrigerant
SALT → microalgae → urban air purification