"The government, hereby directs that...All HCFC-22 plants to destroy HFC-23 produced as a by-product of HCFC-22 production through incineration using an efficient and proven technology such as thermal oxidation," says the order signed by Manoj Kumar Singh, joint secretary, Ministry of Environment and Forests (MoEF).
HFC-23 is as a by-product of HCFC-22 production.
The order was issued soon after Environment Minister Anil Madhav Dave announced at the venue of Conference on Montreal Protocol here that India will eliminate the HFC-23 gas, a potent greenhouse gas with high global warming potential, as part of its commitment to combat the threat emanating from climate-damaging Hydrofluorocarbons.
The Environment Ministry ordered five registered enterprises producing HCFC-22 in India, namely SRF Ltd, Gujarat Fluorocarbons Ltd, Navin Fluorine International Ltd, Chemplast Sanmart Ltd and Hindustan Fluorocarbons Ltd to ensure proper upkeep and maintenance of incineration plants of HFC-23, "so that the down time of incineration plants is maintained below 10 per cent".
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It also directed the companies to create and maintain sufficient storage capacity to ensure that all HFC-23 is stored during any authorised incineration shutdown, so that no vending occurs.
Earlier, giving the go-ahead for releasing the order for incinerating the HFC-23 by producers of HCFC-22 gas, Dave said "HFC-23 gas, a potent greenhouse gas with global warming potential 14,800 times more than CO2 is produced as a by-product of HCFC-22 manufacturing, and if vented out in environment, it is a threat to the environment".
It is noted that some HCFC-22 producers even in developed world are not handling the HFC-23 in most professional manner, a statement said.
A N Jha, Secretary, Ministry of Environment and Forests (MoEF), said this decision of India at this juncture fortifies the determination and commitment of the country on climate issues.
"This will have a positive impact on the discussions on HFCs and will make the governments and producers of HCFC-22 in both developed and developing countries to think on emulating this practice," Jha said.