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[DNL09] Division of Energy Environmental Engineering
 

Introduction: 

The department of Environmental Engineering establised in 1998, renamed as the modern chemical laboratory in 2006, and renamed as Division of Energy Environmental Engineering in 2011.

The laboratory has 5 independent research groups, it has 57 permanent staffs, including 15 professors, 29 associate professors, 13 assistant professors, 13 technicians and over 40 graduate students. 1 professors have been elected as the Members of the Chinese Academy of Sciences ,1 professors are awardees of the National Science Fund for Distinguished Young Scholars,and many professors of them serve were invited to be associate editor, members of editorial board and international advisory in domestic and foreign journals .

 

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

Group Cluster: DNL0901
Energy and Environmental Engineering
Director:
Prof. WANG Shudong

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:

The division primarily focuses on basic research into chemical reaction engineering, new process development as well as system integration. It is mainly engaged in solving the energy & environmental problems by means of advanced process intensification technologies of chemical engineering


Research Fields:

  • Controllable preparation and application technology of functional silicon oxide materials
  • Oxidation Reduction Catalyst and Catalytic Reaction
    • Catalytic removal of volatile organic compounds(VOCs)
    • Catalytic decomposition of ozone
    • Ceramic and metallic monolithic catalysts
  • DeNOx from industrial waste gas
  • High-efficient adsorbent and process intensification of separation
  • Technologies of SNG Production from Syngas Methanation
  • Technologies of Distributed Hydrogen Production for Fuel Cells
  • Development and engineering application of membrane technology
  • High-concentrated Organic Wastewater Treatment
  • Research on the flow, transfer and reaction law of single-phase / multiphase fluid under conventional and unconventional conditions in micro scale system
  • Design, manufacture and package of micro chemical system devices
  • Chemical reaction kinetics and reaction process simulation
  • Research and development of new reactor and multi field coupling reactor
  • Application and development of micro chemical technology
  • Membrane materials engineering

 

Research Progress:

  • Preparation, modification and separation technology of monodisperse micron silica gel

The preparation process of monodisperse micron silica gel, which is the key separation material in the High Performance Liquid Chromatography technology, has been innovatively developed, and the production with an annual output of 2000kg has been successfully realized. The particle size of the prepared silica gel is 2-10um, and has the advantages of narrow particle distribution, spherical morphology and controllable particle size (10-100nm). The testing results show that the monodisperse silica gel can satisfy the requirements of industrial chromatography, detection and analysis. This technology has broken the foreign technology monopoly, and has an important role in promoting the separation and purification technology industry of biological medicine.

  • Chemical Mechanical Polishing/Polarization fluid preparation technology

The controllable preparation process of nano silica with particle size of 10-150 nm is proposed. The nano silica prepared has the advantages of high purity, monodisperse, spherical or non spherical, and narrow particle distribution. In the actual CMP of monocrystalline silicon wafer, the surface roughness of 0.175nm was achieved, and the polishing rate passed the test requirements of the largest semiconductor polishing fluid supplier in China. At present, the research group cooperates with international top information technology companies to develop chemical mechanical polishing/ polarization fluid based on advanced process.

  • Development of hydrogenation catalyst for preparation of high concentration hydrogen peroxide by hydrogenation of anthraquinone

It has successfully broken through the key technology of preparation of anthraquinone hydrogenation catalyst in slurry bed, and the key technical difficulties such as controllable pore size of silica powder materials, formation of catalyst particles, highly dispersed loading of noble metal active components and wear resistance of catalyst particles were solved. Through the optimization of working fluid process, catalyst preparation and the whole system optimization of the slurry reactor, the long-term stability experiment was realized. At present, this technology has been cooperating with Shanxi Lu'an Group in the pilot scale of hydrogen peroxide synthesis with an annual output of 2000 tons / year.

  • Oxidation Reduction Catalyst and Catalytic Reaction
    • Catalytic removal of volatile organic compounds (VOCs)

The combustion catalysts have been successfully developed and applied in eight industrial units. It can satisfy the catalytic removal of VOCs in chemical, petrochemical, painting and spraying processes.

    • Catalytic ozone converter

The highly efficient catalyst for ozone decomposition has been developed. The catalytic materials have loaded on metallic monoliths. The catalytic ozone converter has been assembled to decompose the ozone in the cabin.

    • Research and development of selective catalytic reduction(SCR) catalysts

A kind of low-temperature DeNOx catalyst for NOx removal from coke oven flue gas was developed. The catalyst has high SCR activity, wide temperature window, high space velocity, high removal accuracy and good sulfur resistance. At present, it has been applied in more than ten sets of coke oven flue gas denitrification industrial devices.

  • High-efficient adsorbent and process intensification of separation

The group team has reported several highly potent adsorbents which were over 8 of separation factor on non-polar gas mixture for methane capture, air and light hydrocarbon separation.

  • 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.

  • Technologies of Distributed Hydrogen Production for Fuel Cells

Hydrogen production from fossil fuels, such as natural gas, methanol, gasoline, and so on. Catalysts series and fuel processors series were researched and developed for hydrogen production. Research and development of a series of catalysts for hydrogen production. A series of natural gas fuel processors have been developed, A series of methanol fuel processors have been developed,
Coupled the 5kW、10kW and 30kW methane fuel processor with PEMFC, Coupled the 5kW methane fuel processor with a SOFC, Coupled the 100W methanol fuel processor with DMFC, Coupled the 5kW、10kW and 75kW methanol fuel processor with PEMFC , respectively, the joint-test experiments were performed successfully.

  • Novel membrane technology

Development and engineering application of membrane separation technology based on membrane contactor, gas separation and water treatment.

  • 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.

  • Miniaturized Methanol Autothermal Reforming System with H2 Production Rate of 1.0 Nm3/h

This invention relates to a miniaturized integrated autothermal methanol reforming 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.

  • 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 microtechnology. This compact micro-chemical system (the volumes of microreactors, micromixers and microheat exchangers are 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.

  • Controllable Production of High-quality Magnesium Hydroxide Flame Retardant in Microreactor

Magnesium hydroxide as an environmentally friendly inorganic flame retardant has become a research hotspot due to its high decomposition temperature, good smoke suppression, no toxicity, and stable properties, etc. The flame retardant performances of magnesium hydroxide are strongly dependent on morphology, particle size and particle size distribution, specific surface area, etc. Hence, it is very important to precisely control process parameters during production. In this project, the process parameters (e.g. supersaturation, temperature, molar ratio of different reactants, residence time) were finely controlled by virtue of the high micromixing efficiency, fast heat transfer rate and continuous operation mode. The as-prepared magnesium hydroxide met all requirements of high-quality magnesium hydroxide flame retardant. Based on the laboratory-optimized process, a pilot experiment with the productivity of 5000 t/y was successfully carried out, whose products possessed uniform and tunable particle size, and good batch-to-batch reproducibility.

  • Hollow fiber gas separation membranes

Hollow fiber gas separation membranes have been especially developed for nitrogen generation combining low air consumption with high nitrogen capacity. Membrane modules were designed and optimized to meet the demand of tank inerting in the aviation industry. Meanwhile, the gas separation membranes used in purifications of hydrogen, helium and natural gas, respectively, were developed.

  • New Pebax-based gas separation membrane

For CO2 separation, taking advantage of its quadrupole moment, a series of Pebax-based gas separation membranes were developed. Based on the multi-scale structure-performance relationship, through in-situ adjustment of the aggregate structure of the Pebax, the effect of filler properties on the performance of the membrane material was discussed systematically.  

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