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Handbook of Sulphuric Acid Manufacturing
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Acid Plant Database August 27, 2022
Owner | Bestgrand Chemical Group | |
Location |
Daya Bay Refinery Guangdong Province China |
|
Background | Part of Bestgrand Holdings Co. Ltd. | |
Website | www.bestgrand.com.cn | |
Plant | - | |
Coordinates* | 22° 45' 42" N, 114° 35' 11" E | |
Type of Plant | Wet Gas Sulphuric Acid | |
Gas Source | Refinery off-gas containing H2S | |
Plant Capacity | 300,000 MTPA | |
SA/DA | SA | |
Emissions | - | |
Status | Operating (startup February 2018) | |
Year Built | 2018 | |
Technology | Haldor Topsoe | |
Contractor | - | |
Remarks | Off-gas from Nanhai petrochemical complex. Nanhai complex is operated by CSPC, a joint venture between China National Offshore Oil Corporation (CNOOC) and Shell Petrochemicals Co. Ltd. | |
Pictures | ||
General | - | |
References | - | |
News |
February 19, 2018 - Bestgrand Chemical Group has announced
the successful start-up of its wet gas sulfuric acid (WSA) plant – the
world’s largest with a production capacity of 300,000 tons of sulfuric acid
per year. The plant will treat 131,000 tons of acid gas over-the-fence per
year from the neighboring world-scale refinery plant operated by a joint
venture between CNOOC (China National Offshore Oil Corporation) and Shell in
Huizhou City, China. Bestgrand Chemical Group has focused on the
environmental benefits from using WSA to capture gaseous sulfur and convert
it into commercial grade sulfuric acid. It has also been a deciding factor
that both the energy efficiency and the heat recovery of the process are
very high. The company predicts to reduce carbon dioxide emissions by
220,000 tons every year and to reduce sulfur (SO2)
emissions to a level 50% lower than what is required of the sulfuric acid
industry.
"Haldor Topsoe is proud to be awarded the license, engineering design,
tech service, and hardware & catalyst contract for the world’s largest
WSA plant by Bestgrand Chemical Group. The successful start-up is a
milestone for the WSA technology both in China and globally, and it
proves that this technology has an important role to play in reducing
harmful sulfur emissions in a commercially sound way," says Frank Lei,
Senior Sales Director, Topsoe in China.Since 2000, Topsoe has sold 68
WSA plants in China, 54 are already on stream, and 14 plants are being
constructed.WSA is a patented Topsoe technology, including proprietary
equipment and performance catalysts, that removes sulfur from off-gas
streams in the refining industry, chemical production from coal, and
steel production. WSA converts the sulfurous gases into concentrated
sulfuric acid which is re-used in production or sold as a commercial
product.
|
MTPD - Metric Tonne per Day
STPD - Short Ton per Day
MTPA - Metric Tonne per Annum STPA - Short Ton per
Annum
SA - Single Absorption
DA - Double Absorption
* Coordinates can be used to
locate plant on Google Earth