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| 1 | Effect of alkalinity on nitrite accumulation in treatment of coal chemical industry wastewater using moving bed biofilm reactor显示文摘Nitrogen removal via nitrite(the nitrite pathway) is more suitable for carbon-limited industrial wastewater. Partial nitrification to nitrite is the primary step to achieve nitrogen removal via nitrite. The effect of alkalinity on nitrite accumulation in a continuous process was investigated by progressively increasing the alkalinity dosage ratio(amount of alkalinity to ammonia ratio, mol/mol). There is a close relationship among alkalinity, pH and the state of matter present in aqueous solution. When alkalinity was insufficient(compared to the theoretical alkalinity amount), ammonia removal efficiency increased first and then decreased at each alkalinity dosage ratio, with an abrupt removal efficiency peak. Generally, ammonia removal efficiency rose with increasing alkalinity dosage ratio. Ammonia removal efficiency reached to 88% from 23% when alkalinity addition was sufficient. Nitrite accumulation could be achieved by inhibiting nitrite oxidizing bacteria(NOB) by free ammonia(FA) in the early period and free nitrous acid in the later period of nitrification when alkalinity was not adequate. Only FA worked to inhibit the activity of NOB when alkalinity addition was sufficient. | Baolin Hou Hongjun Han Shengyong Jia Haifeng Zhuang Qian Zhao Peng Xu | 2014 | Journal of Environmental Sciences2014，26，5： | 16 |
| 2 | Advanced treatment of biologically pretreated coal gasification wastewater by a novel heterogeneous Fenton oxidation process显示文摘Sewage sludge from a biological wastewater treatment plant was converted into sewage sludge based activated carbon(SBAC) with Zn Cl2 as activation agent, which was used as a support for ferric oxides to form a catalyst(Fe Ox/SBAC) by a simple impregnation method.The new material was then used to improve the performance of Fenton oxidation of real biologically pretreated coal gasification wastewater(CGW). The results indicated that the prepared Fe Ox/SBAC significantly enhanced the pollutant removal performance in the Fenton process, so that the treated wastewater was more biodegradable and less toxic. The best performance was obtained over a wide p H range from 2 to 7, temperature 30°C, 15 mg/L of H2O2 and 1 g/L of catalyst, and the treated effluent concentrations of COD, total phenols,BOD5 and TOC all met the discharge limits in China. Meanwhile, on the basis of significant inhibition by a radical scavenger in the heterogeneous Fenton process as well as the evolution of FT-IR spectra of pollutant-saturated Fe Ox/BAC with and without H2O2, it was deduced that the catalytic activity was responsible for generating hydroxyl radicals, and a possible reaction pathway and interface mechanism were proposed. Moreover, Fe Ox/SBAC showed superior stability over five successive oxidation runs. Thus, heterogeneous Fenton oxidation of biologically pretreated CGW by Fe Ox/SBAC, with the advantages of being economical, efficient and sustainable, holds promise for engineering application. | Haifeng Zhuang Hongjun Han Wencheng Ma Baolin Hou Shengyong Jia Qian Zhao | 2015 | Journal of Environmental Sciences2015，27，7： | 15 |
| 3 | Catalytic carbon dioxide hydrogenation to methane: A review of recent studies显示文摘Recently,various efforts have been put forward on the development of technologies for the synthesis of methane from CO_2 and H_2,since it can offer a solution for renewable H_2 storage and transportation.In parallel,this reaction is considered to be a critical step in reclaiming oxygen within a closed cycle.Over the years,extensive fundamental research works on CO_2 methanation have been investigated and reported in the literatures.In this updated review,we present a comprehensive overview of recent publications during the last 3 years.Various aspects on this reaction system are described in detail,such as thermodynamic considerations,catalyst innovations,the influence of reaction conditions,overall catalytic performance,and reaction mechanism.Finally,the future development of CO_2 methanation is discussed. | Xiong Su Jinghua Xu Binglian Liang Hongmin Duan Baolin Hou Yanqiang Huang | 2016 | Journal of Energy Chemistry2016，25，4： | 7 |
| 4 | Anoxic degradation of nitrogenous heterocyclic compounds by activated sludge and their active sites显示文摘The potential for degradation of five nitrogenous heterocyclic compounds(NHCs), i.e.,imidazole, pyridine, indole, quinoline, and carbazole, was investigated under anoxic conditions with acclimated activated sludge. Results showed that NHCs with initial concentration of 50 mg/L could be completely degraded within 60 hr. The degradation of five NHCs was dependent upon the chemical structures with the following sequence:imidazole > pyridine > indole > quinoline > carbazole in terms of their degradation rates.Quantitative structure–biodegradability relationship studies of the five NHCs showed that the anoxic degradation rates were correlated well with highest occupied molecular orbital.Additionally, the active sites of NHCs identified by calculation were confirmed by analysis of intermediates using gas chromatography and mass spectrometry. | Peng Xu Hongjun Han Haifeng Zhuang Baolin Hou Shengyong Jia Dexin Wang Kun Li Qian Zhao | 2015 | Journal of Environmental Sciences2015，27，5： | 5 |
| 5 | Nitrogen removal from coal gasification wastewater by activated carbon technologies combined with short-cut nitrogen removal process显示文摘A system combining granular activated carbon and powdered activated carbon technologies along with shortcut biological nitrogen removal(GAC-PACT-SBNR) was developed to enhance total nitrogen(TN) removal for anaerobically treated coal gasification wastewater with less need for external carbon resources. The TN removal efficiency in SBNR was significantly improved by introducing the effluent from the GAC process into SBNR during the anoxic stage, with removal percentage increasing from 43.8%–49.6% to 68.8%–75.8%. However, the TN removal rate decreased with the progressive deterioration of GAC adsorption. After adding activated sludge to the GAC compartment, the granular carbon had a longer service-life and the demand for external carbon resources became lower. Eventually, the TN removal rate in SBNR was almost constant at approx. 43.3%, as compared to approx. 20.0% before seeding with sludge. In addition,the production of some alkalinity during the denitrification resulted in a net savings in alkalinity requirements for the nitrification reaction and refractory chemical oxygen demand(COD)degradation by autotrophic bacteria in SBNR under oxic conditions. PACT showed excellent resilience to increasing organic loadings. The microbial community analysis revealed that the PACT had a greater variety of bacterial taxons and the dominant species associated with the three compartments were in good agreement with the removal of typical pollutants. The study demonstrated that pre-adsorption by the GAC-sludge process could be a technically and economically feasible method to enhance TN removal in coal gasification wastewater(CGW). | Qian Zhao Hongjun Han Baolin Hou Haifeng Zhuang Shengyong Jia Fang Fang | 2014 | Journal of Environmental Sciences2014，26，11： | 4 |
| 6 | Inhibiting effect of tungstic compounds on glucose hydrogenation over Ru/C catalyst显示文摘The effect of acid component including various conventional acids and tungstic compounds on glucose hydrogenation over a series of binary catalyst system containing Ru/C catalyst was investigated. The results showed that HCl, H2SO4, H3BO3, H3PO4, and HNO3 had negligible effect, while all the tungstic compounds imposed inhibiting effects on the hydrogenation of glucose over Ru/C catalyst, and the suppressing effect followed the order of H2WO4>HPW>WO3>AMT>HSi W. This order is the same as the order of ethylene glycol(EG) yields in the one-pot conversion of glucose to EG, suggesting the important role of competition between glucose hydrogenation and retro-aldol condensation in controlling the selectivity of EG. | Junying Zhang Baolin Hou Xuefei Wang Zhenlei Li Aiqin Wang Tao Zhang | 2015 | Journal of Energy Chemistry2015，24，1： | 3 |
| 7 | Quantitative structure–biodegradability relationships for biokinetic parameter of polycyclic aromatic hydrocarbons显示文摘Prediction of the biodegradability of organic pollutants is an ecologically desirable and economically feasible tool for estimating the environmental fate of chemicals. In this paper,stepwise multiple linear regression analysis method was applied to establish quantitative structure biodegradability relationship(QSBR) between the chemical structure and a novel biodegradation activity index(qmax) of 20 polycyclic aromatic hydrocarbons(PAHs). The frequency B3LYP/6-311+G(2df,p) calculations showed no imaginary values, implying that all the structures are minima on the potential energy surface. After eliminating the parameters which had low related coefficient with qmax, the major descriptors influencing the biodegradation activity were screened to be Freq, D, MR, EHOMOand To IE. The evaluation of the developed QSBR mode, using a leave-one-out cross-validation procedure, showed that the relationships are significant and the model had good robustness and predictive ability. The results would be helpful for understanding the mechanisms governing biodegradation at the molecular level. | Peng Xu Wencheng Ma Hongjun Han Shengyong Jia Baolin Hou | 2015 | Journal of Environmental Sciences2015，27，4： | 2 |
| 8 | A CFD model for predicting the heat transfer in the industrial scale packed bed显示文摘Compared to the traditional lumped-parameter model, computational fluid dynamics(CFD) attracted more attentions due to facilitating more accurate reactor design and optimization methods when analyzing the heat transfer in the industrial packed bed. Here, a model was developed based on the CFD theory, in which the heterogeneous fluid flow was resolved by considering the oscillatory behavior of voidage and the effective fluid viscosity. The energy transports in packed bed were calculated by the convection and diffusion incorporated with gaseous dispersion in fluid and the contacting thermal conductivity of packed particles in solids. The heat transfer coefficient between fluid and wall was evaluated by considering the turbulence due to the packed particles adjacent to the wall. Thus, the heat transfer in packed bed can be predicted without using any adjustable semi-empirical effective thermal conductivity coefficient. The experimental results from the literature were employed to validate this model. | Baolin Hou Renming Ye Yanqiang Huang Xiaodong Wang Tao Zhang | 2018 | Chinese Journal of Chemical Engineering2018，26，2： | 2 |
| 9 | Heterogeneous catalytic ozonation of biologically pretreated lurgi coal gasification wastewater using sewage sludge based activated carbon supported manganese and ferric oxides as catalysts 显示文摘 | Zhuang Haifeng Han Hongjun Hou Baolin | 2014 | Bioresouree Techno- logy2014，166，8： | 1 |
| 10 | Study on kinetics of iron oxide reduction by hydrogen 显示文摘 | Hou Baolin Zhang Haiying Li Hongzhong | 2012 | Chinese Journal of Chemi- cal Engineering2012，20，： | 1 |
| 11 | Insight into the microstructural evolution of anthracite during carbonization-graphitization process from the perspective of materialization显示文摘Materialization of coal is one of effective and clean pathways for its utilization. The microstructures of coal-based carbon materials have an important influence on their functional applications. Herein, the microstructural evolution of anthracite in the temperature range of 1000–2800 ℃ was systematically investigated to provide a guidance for the microstructural regulation of coal-based carbon materials.The results indicate that the microstructure of anthracite undergoes an important change during carbonization-graphitization process. As the temperature increases, aromatic layers in anthracite gradually transform into disordered graphite microcrystals and further grow into ordered graphite microcrystals, and then ordered graphite microcrystals are laterally linked to form pseudo-graphite phase and eventually transformed into highly ordered graphite-like sheets. In particular, 2000–2200 ℃ is a critical temperature region for the qualitative change of ordered graphite crystallites to pseudo-graphite phase,in which the relevant structural parameters including stacking height, crystallite lateral size and graphitization degree show a rapid increase. Moreover, both aromaticity and graphitization degree have a linear positive correlation with carbonization-graphitization temperature in a specific temperature range.Besides, after initial carbonization, some defect structures in anthracite such as aliphatic carbon and oxygen-containing functional groups are released in the form of gaseous low-molecular volatiles along with an increased pore structure, and the intermediates derived from minerals could facilitate the conversion of sp^(3) amorphous carbon to sp^(2) graphitic carbon. This work provides a valuable reference for the rational design of microstructure of coal-based carbon materials. | Huihui Zeng Baolin Xing Yijun Cao Bing Xu Lei Hou Hui Guo Song Cheng Guangxu Huang Chuanxiang Zhang Qi Sun | 2022 | International Journal of Mining Science and Technology2022，32，6： | 1 |
| 12 | Breech fatigue cumulativedamage reliability analysis 显示文摘 | Chen Changshun Hou Baolin | 1998 | Gun Launch & Control1998，，03： | 1 |
| 13 | Characterization of aerogel Ni/Al 2 O 3 catalysts and investigation on their stability for CH 4 -CO 2 reforming in a fluidized bed显示文摘 | Zhigang Hao Qingshan Zhu Zheng Jiang Baolin Hou Hongzhong Li | 2008 | Fuel Processing Technology2008，，1： | 1 |
| 14 | Enthalpy of solution and viscosity of mixtures of urea and sulfuric acid sulfuric acid system 显示文摘 | Hou Cuihong Wang Guanglong Zhang Baolin | 2003 | Journal of Chemical & Engineering Data2003，4，5： | 1 |
| 15 | Finite Difference Solution of Response Time Delay of Magneto-rhelological Damper显示文摘Magneto-rhelological(MR) dampers are devices that employ rheological fluids to modify their mechanical properties. Their mechanical simplicity, high dynamic range, lower power requirements, large force capacity, robustness and safe manner of operation in cases of failure have made them attractive devices for semi-active real-time control in civil, aerospace and automotive applications. Time response characteristic is one of the most important technical performances of MR dampers, and response time directly affects the control frequency, application range and the actual effect of MR dampers.In this study, one kind of finite difference solution for predicting the response time of magneto-rheological dampers from 'off-state' to 'on-state' is put forward. A laminar flow model is used to describe the flow in the MR valve, and a bi-viscous fluid flow model is utilized to describe the relationship of shear stress and shear rate of MR fluid. An explicit difference format is used to discretize the Novior-Stoks equation, and stability condition of this algorithm is built by Von-Neumann stability criterion. The pressure gradient along the flow duct is solved by a dichotomy algorithm with iteration, and the changing curve of the damping force versus time of MR damper is obtained as well. According to the abovementioned numerical algorithm, the damping forces versus time curves from 'off-state' to 'on-state' of a cylindrical piston type MR damper are computed. Moreover, the MR damper is installed in a material test system(MTS), the magnetic field in the wire circles of the MR damper is'triggered' when the MR damper is imposed to do a constant speed motion, and the damping force curves are recorded. The comparison between numerical results and experimental results indicates that this finite difference algorithm can be used to estimate the response time delay of MR dampers. | ZOU Mingsong HOU Baolin | 2009 | Chinese Journal of Mechanical Engineering2009，22，3： | 1 |
| 16 | Treatment of coal gasification wastewater by membrane bioreactor hybrid powdered activated carbon(MBR-PAC)system显示文摘 | Jia Shengyong Han Hongjun Hou Baolin | 2014 | Chemosphere2014，117，： | 1 |
| 17 | Study on kinetics of iron oxide reduction by hydrogen显示文摘 | Hou Baolin Zhang Haiying Li Hongzhong | 2012 | Chin J Chem Eng2012，20，1： | 1 |
| 18 | Cable-driven legged landing gear for unmanned helicopter:Prototype design,optimization and performance assessment显示文摘Unmanned helicopters equipped with adaptive landing gear will dramatically extend their application especially in dealing with challenging terrains.This study presents a novel cable-driven legged landing gear(CLG)with differential transmission for unmanned helicopters in complex landing environments.To obtain the preferred configuration of the legged mechanism,a multi-objective optimization framework for the CLG is constructed by concurrently considering terrain adaptability,landing stability and reasonable linkage of internal forces.The non-dominated sorting genetic algorithmⅡis employed to numerically acquire the optimal scale parameters that guide the mechanical design of the CLG.An unmanned helicopter prototype equipped with the devised CLG is developed with key performance assessment.Experimental results show that the devised CLG can provide energy-efficient support over uneven terrains(totally driven torque demand less than 0.1 N m)in quasi-static landing tests,and favorable terrain adaptability(posture fluctuation of the fuselage less than±1°)in unknown slope landing tests.These exhibited merits give the proposed CLG the potential to enhance the landing performance of future aircraft in extreme environments. | TIAN BaoLin GAO HaiBo YU HaiTao SHAN HaoMin HOU JunChen YU HongYing DENG ZongQuan | 2024 | Science China(Technological Sciences)2024，67，4： | 0 |
| 19 | A novel carbon cycle process assisted by Ni/La_(2)O_(3) catalyst for enhanced thermochemical CO_(2) splitting显示文摘Thermochemical two-step CO_(2) splitting is a potential approach that fixes the sustainable resource into transportable liquid fuels.However,the harsh CO_(2) splitting conditions,the limited oxygen release kinetics and capacity of metal oxides block further promoted the CO yield and solar-to-fuel energy efficiency.Here,we propose a different carbon cycle assisted by Ni/La_(2)O_(3) via coupling methane decomposition with thermochemical CO_(2) splitting,replacing conventional metal oxides cycle.Superior performance was demonstrated with methane conversion reached around 94%with almost pure H_(2) generation.Encouragingly,CO_(2) conversion of 98%and CO yield of 6.9 mmol g^(-1) derived from CO_(2) were achieved,with peak CO evolution rate(402 mL min^(-1) g^(-1))of orders of magnitude higher than that in metal oxide process and outstanding thermodynamic solar-to-fuel energy efficiency(55.5%vs.18.5%).This was relevant to the synergistic activation of La_(2)O_(3) and Ni for CO_(2) in carbon cycle,thus improving CO_(2) splitting reaction with carbon species. | Yu Kang Yujia Han Cong Wei Kuo Liu Ming Tian Chuande Huang Chaojie Wang Jian Lin Baolin Hou Xiaoli Pan Yang Su Lin Li Riguang Zhang Yong Hao Xiaodong Wang | 2021 | Journal of Energy Chemistry2021，30，10： | 0 |
| 20 | Mechanical properties of thermoelectric generators显示文摘To satisfy the requirements of practical applications,thermoelectric generators should be highly efficient and mechanically robust.Recently,progress in designing high-performance thermoelectric generators has been made.However,the mechanical properties of thermoelectric generators are still unsatisfactory.In this review,studies on the mechanical properties of thermoelectric generators are summarized.The me-chanical properties of bulk thermoelectric generators will be first discussed.In this section,the mechan-ical properties of thermoelectric materials and the strategies for improving their mechanical properties are emphasized.Since the device’s failure usually occurs at the interface between the thermoelectric ma-terials and electrode,the joint strength of electrodes and thermoelectric materials will be overviewed.After that,the mechanical properties of the inorganic thin-film thermoelectric devices will be discussed.Since the figure of merit for the flexibility of thermoelectric materials depends on the film thickness,elastic modulus,and yield strength,the synthesis methods of thin-film thermoelectric materials will be reviewed.Finally,this review will be concluded with a discussion on flexible organic thermoelectric de-vices and flexible devices using bulk legs. | Xin Bao Shuaihang Hou Zhixin Wu Xiaodong Wang Li Yin Yijie Liu Huolun He Sichen Duan Baolin Wang Jun Mao Feng Cao Qian Zhang | 2023 | Journal of Materials Science & Technology2023，，17： | 0 |
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