Engineering Cases

Engineering Cases

ENGINEERING CASE
Wan Hua Case
Wan Hua Case
Wan Hua Case
Wan Hua Case
Wan Hua Case
Wan Hua Case
Wan Hua Case
Wan Hua Case
Wan Hua Case
Wan Hua Case

Wan Hua Case

Wanhua Chemical Group Co., Ltd. mainly produces a full range of polyurethane products such as isocyanates and polyols, as well as petrochemical products such as acrylic acid and esters. It is one of the world's most competitive MDI manufacturers and the largest TDI supplier in Europe. It ranks first in China's national industrial enzyme industry. The wastewater from the wastewater treatment project mainly comes from the production process of polyurethane such as isocyanates and polyols, and acrylic acid and esters. Our company undertook the construction of two phases of wastewater treatment projects in 2013 and 2016, with water volumes of 2400 m³/d and 1200 m³/d respectively. The comprehensive wastewater COD ≤50000 mg/L, TOC ≤3400 mg/L, formaldehyde ≤5060 mg/L, ammonia nitrogen ≤300 mg/L. Pre-treatment + MQIC anaerobic reactor is used to achieve COD ≤3000 mg/L, ammonia nitrogen ≤200 mg/L, formaldehyde ≤10 mg/L. The biogas produced by the MQIC reactor is used in the boiler to generate steam for the factory area.

Category: Engineering Cases

Keywords: Product development, technological research, project survey and design, engineering installation

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Wan Hua Case

　　Wanhua Chemical Group Co., Ltd. mainly produces a full range of polyurethane products such as isocyanates and polyols, as well as petrochemical products such as acrylic acid and esters. It is one of the world's most competitive MDI manufacturers and the largest TDI supplier in Europe. It ranks first in China's national industrial enzyme industry. The wastewater from the wastewater treatment project mainly comes from the production process of polyurethane such as isocyanates and polyols, and acrylic acid and esters. Our company undertook the construction of two phases of wastewater treatment projects in 2013 and 2016, with water volumes of 2400 m³/d and 1200 m³/d respectively. The comprehensive wastewater COD ≤50000mg/L, TOC ≤3400mg/L, formaldehyde ≤5060mg/L, ammonia nitrogen ≤300mg/L. Using pretreatment + MQIC anaerobic reactor, COD ≤3000mg/L, ammonia nitrogen ≤200mg/L, formaldehyde ≤10mg/L. The biogas produced by the MQIC reactor is introduced into the boiler for combustion to generate steam for use in the factory area.

Meiquan's progress and development are based on a deep understanding and maximum satisfaction of customer needs. Meiquan closely follows the pace of advanced technology, constantly improving after-sales service and providing timely and diversified training for employees, using its own expertise to help customers meet environmental challenges. The company's core technologies, such as the circulating granular sludge reactor (MQIC), upflow anaerobic sludge bed reactor (H-UASB), segmented inflow biological denitrification process (BRN), and ammonia oxidation biological denitrification process (AMOXP), have all been fully verified in engineering practice and have high efficiency, low carbon, innovation, and leading advantages in the environmental protection field.

The company takes "the harmonious unity of advanced technology and high-quality service, and the perfect combination of environmental protection and resource utilization" as its tenet. Relying on technological innovation and scientific management, carrying forward the enterprise spirit of "integrity, innovation, efficiency, and pragmatism," achieving the company's self-improvement and development, providing high-quality services to society with characteristics and brands, and with diligent spirit and work attitude, providing you with the most advanced technology, the best quality service, and the most perfect solutions in the field of wastewater treatment.

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