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[DNL09] Division of Energy Environmental Engineering
 

Introduction: 

This division focuses on atmospheric pollution control, waste water treatment, energy conservation, emissions reduction, and membrane separation technologies.

 

Chinese Website: http://www.dnl09.dicp.ac.cn/


Director of Division: 

Prof. WANG Shudong

Professor; Head of Energy and Environmental Engineering Division; Leader of Energy and Environmental Engineering Group. His research primarily focuses on basic research into catalytic reaction engineering and new process development.


Research Groups: 

Number

Leader

Group

DNL0901

Prof. WANG Shudong

Energy and Environmental Engineering

DNL0907

 

 Distributed Hydrogen Production

DNL0908

Prof. WANG Sheng  

Catalytic Combustion 

DNL0909

Prof. CHENG Hao

Atmospheric Pollutants Catalytic Purification 

DNL0910

 

System Energy Optimization & Heat Storage Materials 

DNL0902

Prof. SUN Chenglin

Waste Water Treatment Project

DNL0903

Prof. CHEN Guangwen

Microchemical Engineering and Technology

DNL0905

Prof. CAO Yiming

Membrane Technology

DNL0906

Prof. REN Jizhong

Membrane Material and Engineering


Research Interests:

  • Basic research of catalytic reaction engineering and new process development
  • Catalyst engineering design
  • Structured catalysts
  • Endothermic and exothermic coupling reaction
  • Gas pollution control and chemical engineering system integration
  • Hydrodynamics and transport phenomena at microscale, gas-liquid/liquid-liquid reactions in microreactor systems, synthesis of nanoparticles with microfluidic systems


Research Fields:

  • Energy and environment engineering
  • Waste water treatment
  • Micro-chemical technology
  • Membrane materials and engineering
  • New membrane separation technology
  • Coalbed methane technology
  • Flue gas DeNOx technology
  • High-efficient Adsorbent and Process Intensification of Separation
  • Hydrogenation of Anthraquinone to Hydrogen Peroxide over Monolithic Catalyst
  • Chemical Mechanism Planarization and High Performance Liquid Chromatography Technology.
  • Microchemical engineering and technology


Research Progress:

  • Synthetic Natural Gas (SNG) Technology

Successfully developed the methanation technologies for producing synthetic natural gas from coal syngas, coke oven gas, town gas and other various exhaust gas containing COx, and got a series of completely independent intellectual property rights of methanation industrial catalysts and high-efficiency methanation processes. This technology provides an efficient and clean way to use coal, which can release China's huge coal transport pressure and offer a reliable guarantee for long-term China's energy security.

  • De-O2 of Coal Bed Methane (D-O2TE)

Successfully developed De-O2 of Coal Bed Methane catalyst, and established the first set of demonstration unit for 300Nm3 / h De-O2 of Coal Bed Methane. Currently, the division is actively promoting the industrialization of this technology.

  • Selective Catalytic Reduction (SCR) of Flue Gas DeNOx Technology

For NOx removal from the power plant flue gas, extruded honeycomb V2O5-WO3/TiO2 catalyst was prepared and tested at pilot-plant scale with real high-dust flue gases from a power plant achieving NOx conversions of around 93 %, with ammonia emissions lower than 3 ppm. The successful development of the new catalyst can satisfy the demand of SCR catalysts in China and push forward the proprietary manufacturing of the catalyst product.

  • High-concentrated Organic Wastewater Treatment

Research focuses are thus placed on: Development and application of industrial catalyst and new process, wet air catalytic oxidation of industrial wastewater, photocatalysis and electro-photocatalysis, biological treatment of wastewater, combination of bio-treatment, electro-heterogeneous catalysis and other physic-chemical method. A total of more than 70 patents were applied for, 43 authorized patents, 9 appraisal results, and nearly 100 papers were published. At present, there are 20 industrial applications.

  • Microreactor System for Production of Ammonium Biphosphate

The micro-chemical engineering system for the production of ammonium biphosphate has realized commercial operation at the Changling Catalyst Branch Co. of the SINOPEC and has run stably for 6 months in the commercial unit. This newly developed proprietary technology was designed for utilization in the production of ammonium biphosphate with a capacity of 8 to 10 tons per year. Unique features of the technology included smallness in equipment (Volumes of the micro-reactor, the micro-mixer and the micro-heat-exchangers all less than 6 liter), and fastness in heat removal and response. Moreover, the performance was continuous, easy to control, stable in operation, free from vibration, noise and exhaust gases, as well as high quality in product. Hence, the technology could realize enforcing of processes, safety in production, high efficiency and cleanliness in equipment.

  • Low-grade Natural Gas CO2 Membrane Separation Technology

With capacity of 13.6 million NM3 low-grade natural gas membrane separation technology is the highest concentration of CO2 gas membrane plant in the world.

  • The Development of Light Hydrocarbon Gas Membrane Recovery Process

Successfully developed new composite separation membranes for light hydrocarbon gas recovery and established the membrane separation pilot plant.

  • High-efficient Adsorbent and Process Intensification of Separation

MOFs with uniform micropores (4-8 A) are favored to separate CH4 from N2 (selectivity up to 8),and two novlel adsorbents (PSACH4-LS/HS) have been developed for the industrial process of the CH4/N2 separation. Structured MOF-Carbon adsorbents with high selectivity (ca.8) and capacity have been designed and prepared for the CH4/N2 separation by RCPSA process. . In two-bed PSA/VPSA R&D testing apparatus, the 50% CH4/N2 mixture can be enriched to 90% with the recovery over 90% by PSACH4-LS and PSACH4-HS adsorbents.

  • Hydrogenation of Anthraquinone to Hydrogen Peroxide over Monolithic Catalyst

Performance of Pd monolith catalyst in the Anthra system. The space time yield of Pd monolith catalyst (3.0-3.6gH2O2/(g-cat. d)) show once higher than that of the conventional catalyst (1.5-1.8gH2O2/(mL-cat. d)). The prepared Pd catalyst showed high stability, which has been operated for more than1500 hours.
(a)Miniaturized Methanol Autothermal Reforming System with H2 Production Rate of 1.0 Nm3/h

This invention relates to a miniaturized integrated autothermal methanol producing system, which is integrated with methanol autothermal reforming and CO selective oxidation (PROX) and other major reaction units. CO clean-up step is designed without traditional CO water gas shift unit, and with only two-stage CO selective oxidation units which suit for PEMFC application. The complete system uses the modular design consisting of a methanol autothermal reforming/heat exchanger module, a catalytic combustion/vaporization module, two sets of CO selective oxidation/heat exchanger modules. These four modules are all integrated with monolithic catalytic reactor and micro-channel heat exchanger. This system is able to produce reformate with CO level < 30 ppm and H2 content > 53% which suits for 1KW PEMFC application.

(b)Microchemical system for the production of ammonium dihydrogen phosphate throughput of eighty thousand tons/year

Microchemical system developed by MT group for the production of ammonium dihydrogen phosphate have many advantages on fast mass transfer, efficient heat transfer, quick response and easy process control, stable product quality, smooth operation, no vibration, no noise, zero emissions, etc., and presenting a process-intensified, safer, highly efficient, and clean micro technology. This compact micro-chemical system (the volume of micro-reactors, micro mixers and micro-heat exchanger volume is all smaller than 6L, see Figure) with low pressure drop (<0.1 MPa) and throughput of eighty thousand tons/year, has been running stably more than one year.

This technique has been authenticated by the Science and Technology Department of Liaoning Province and Shenyang Branch of Chinese Academy of Sciences in November 2009, representing a significant breakthrough in the industrial application of microreaction technology in China.

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