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Sulphuric Acid on the WebTM Technical Manual DKL Engineering, Inc.

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Sulphuric Acid on the Web

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Handbook of Sulphuric Acid Manufacturing
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Sulphuric Acid Plant Specifications
 

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Acid Plant Database  June 11, 2015

Owner Wengfu Group Co., Ltd.

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Location Fuquan
Guizhou Province
China
Background 1994 - Guizhou Hongfu Industry & Commerce Development Company Limited
Website www.wengfu.com
Plant Wengfu Phosphate Fertilizer Plant
Plant No. 1 Plant No. 2
Coordinates* 26° 37' 53" N, 107° 32' 40" E 26° 37' 52" N, 107° 32' 41" E
Type of Plant - Metallurgical
Gas Source - Pyrite - Fluid Bed Roaster
Plant Capacity 1,200,000 MTPA 800,000 MTPA
SA/DA - DA
Emissions - -
Status Operating Operating
Year Built - 1999
Technology - Outotec (Lurgi GmbH)
Contractor - Mitsubishi Heavy Industries, Ltd.
East China Engineering Science and Technology Co., Ltd.
Remarks Through technical modification, Wengfu Phosfer Plant has annually production capacity of AP (Ammonium Phosphate) 1.68 mmt, Sulphuric Acid (H2SO4) 1.4 mmt, Phosphoric Acid (H3PO3) 700,000 mt, and Aluminum Fluoride(ALF3) 14,000 mt as well as power generation plant of 30,000 kilowatt by waste heat.
Pictures  
General Guizhou Hongfu Industry & Commerce Development Co., Ltd. which built up during the State “Eight-fifth plan” and “Nine-fifth plan” in total investing capital of RMB 5.83 Yuan as one of the five national large phosphate mine and fertilizer bases is the largest phosphate chemical industry group that the key technology and equipment is imported from the developed country and possess international advanced level in China toward to Asia till today. 

Associated Companies
- Guizhou Wengfu Phosphorus Chemical Import and Export Co., Ltd.
- Guizhou Yunfu Chemical Co., Ltd.
- Guizhou Wengfu Sulphur Co., Ltd.
- Guizhou Bluesky Fluorine Chemical Co. Ltd.
- Guizhou Hongfu Jianfeng Co., Ltd.
- Gansu Wengfu Chemical Co., Ltd.
- Shanghai Environmental Protection Technology Co., Ltd.
GuizhouQiannan Base mainly comprises Wengfu Phosphate Ore, Wengfu Phosphate Fertilizer Plant, Wengfu Phosphate Industry Development Corporation, GuizhouYunfu Chemical Industry Co., Ltd., GuizhouWengfuLantian Fluorine Chemical Co., Ltd., and WengfuJianfeng Chemical Industry Co., Ltd. Wengfu Phosphate Ore is located in Fuquan City and Weng’an County of Guizhou Province; its mining area is 17.5 km in length from north to south and 3~4 km in width, covering an area of 58 km2. It boasts a geological reserve of 820,000,000 ton and an industrial reserve of 580,000,000 ton, where 230,000,000 ton can be exploited in open cut mine, with an average grade of 25%; the phosphate ore has low cadmium content and good chemical reactivity. At present, the production capacity of phosphate ore is 4,950,000 tons/year and that of phosphate concentrate is 2,820,000 tons/year; by 2015, the ore mining capacity will reach 7,500,000 tons/year. The production scale of Wengfu Phosphate Fertilizer Plant, Wengfu Phosphate Industry Development Corporation, GuizhouYunfu Chemical Industry Co., Ltd., GuizhouWengfuLantian Fluorine Chemical Co., Ltd. in Machangping Industrial Park of Fuquan and WengfuJianfeng Chemical Industry Co., Ltd. in Duyun City, Guizhou includes 900,000 ton phosphoric acid, 2,000,000 ton sulfuric acid, 2,500,000 ton phosphate compound fertilizers (diammonium phosphate, monoammonium phosphate, NPK compound fertilizer, BB fertilizer, triple superphosphate and single superphosphate), 160,000 ton phosphoric acid for industrial use and food, 150,000 ton sodium tripolyphosphate, 30,000 ton food-grade phosphate, 100 ton iodine, 20,000 ton anhydrous hydrogen fluoride, 200,000 ton ammonium sulphate made from phosphogypsum, an annual production of 30,000,000 m2 gypsum boards made from 300,000 ton phosphogypsum, and a railway special line with an annual transfer capacity of 3,450,000 ton. The Hongfu Brand diammonium phosphate and monoammonium phosphate were respectively entitled as famous-brand products of China in Sept. 2003 and Sept. 2005. In May 2004, both the two products were entitled to the exemption from national inspection. In Sep. 2006, Hongfu Brand diammonium phosphate won the title of famous-brand product of China again. 

References -
News November  11,  2010 - China Energy Recovery Inc. announced today it signed a $10.9 million (US) contract with Wengfu Co., Ltd. to retrofit a heat energy recovery system into an existing sulfuric acid plant at the company's Fuquan City facility located in Guizhou Province, China.  CER's heat recovery system will be capable of generating 960 tons of steam per day at 176C and 0.8MPa from operations at the plant.  The steam will be used to supply power for the plant, reducing its demand for electricity produced from fossil-fuels. CER's installation is scheduled for completion in August  2011.   Wengfu produces a range of basic chemicals at its Fuquan City facility including phosphate, sulfuric acid, iodine and anhydrous hydrogen fluoride.   "We are excited to have Wengfu as a new customer and we look forward to helping them cut costs and reduce pollutants," CER Chairman and Chief Executive Officer Qinghuan Wu said. "CER has developed a strong design that will deliver real savings."  Installation of CER's heat recovery system is aligned with Wengfu's commitment to sustainable development and reduced sulfur chemical pollution. By using recovered heat to produce steam as an energy source, Wengfu will be able to reduce costs, energy consumption and pollutants.

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