By introducing the macro policy of making great effort to develop bioenergy industry in China，the article analyzes the current biodiesel development in China in the aspects of raw material supply and technical path alternative. In addition，the article discusses the main issues in the biodiesel development in China from the perspectives of raw material，policy support，production technology and capital investment. Finally，it gives some recommendations to promote the development of Chinese biodiesel industry，such as industry planning，market standard，technology system，finance and tax support，etc. and to pay attention to environment impact and making full use of Clean Development Mechanism (CDM) and Voluntary Carbon Market (VCM) to provide references for decision making.

For the deep desulfurization of gasoline，it is crucial to avoid the decreases of octane number (RON) and final gasoline yield; for the deep reduction of sulfur content in diesel oil，the major difficulties are how to remove sulfur from inactive compounds like 4,6-dimethyldibenzothiophene (4,6-DMDBT) and at the same time to conquer the inhibiting effects of polyaromatics and nitrogen compounds in the feed as well as H2S produced during the desulfurization. In this paper，the progresses of the development of deep hydrodesulfurization (HDS) catalysts for commercial application as well as the fundamental researches on HDS catalysis and reaction mechanism were reviewed. It was then emphasized that having an insight into the catalyst structures and HDS reaction mechanism on atomic or molecular levels played an important role in the design of highly active and selective catalysts of the next generation.

A review and perspectives of key technologies of industrial safety for the petrochemical industy are presented. The progress is reviewed in four aspects：①Process monitoring and fault diagnosis; ②Risk assessment of key equipment; ③Lexibility analysis and design of chemical processes; ④Application of inherent safety in design of chemical processes. Perspectives of key technologies of safe operation for petrochemical industry are discussed and analyzed.

A great amount of low concentration coal bed methane are released during coal mining，and it is important for energy utilization and environmental protection to make good use of this resource. The challenge of the recovery of low concentration coal bed methane is to separate nitrogen and methane economically. In this paper，several kinds of CH4/N2 separation technologies are introduced，and their application prospect in coal bed methane concentration is discussed. Researches on different adsorbents in pressure swing adsorption (PSA) process for nitrogen and methane separation are reviewed as well as their advantages and disadvantages in coal bed methane concentration. Preparation of carbon molecular sieves (CMS) is also presented to make the CMS more suitable for coal bed methane concentration.

N-Nitrosodimethylamine (NDMA) is a potent carcinogen present in food，consumer goods and contaminated air，and its toxicity has been investigated. NDMA，the newborn DBPs，is bound to become the research focus in water environment. The formation mechanism of NDMA was introduced，and the sample pretreatment of NDMA including liquid-liquid extraction（LLE），solid phase extraction（SPE）and solid phase micro-extraction was presented. The analytical methods were also summarized，such as gas phase chromatography，GC/MS，GC/MS/MS，high performance liquid chromatography and LC/MS/MS. At last，The prospective research trends were also discussed．

In this paper，the unique optical and electrical mechanism of nano-ATO material was introduced. The preparation techniques and processes of nano-ATO were reviewed. Also，the applications of ATO material in the fields of display，conductive and antistatic coatings，transparent and heat insulating coatings were summarized. At last，recommendations about overcoming the difficulties in the field of nano-ATO research and applications were brought forward，according to its optical and electrical properties.

The interest in inulin has greatly increased due to its functional properties in food and physiological applicationy. It has been widely used in developed countries and its use in China is also gradually increasing. This article summarizes the recent researches on processing techniques of inulin，including storage method of fresh Jerusalem artichoke，optimum extraction process with hot water，the latest applied research of decoloring process，optimum concentration process and options of drying method. It introduces briefly the functional properties and present situation of inulin in the world.

Pulsating heat pipe has got great attention in the field of heat pipes due to its simple structure，low cost，excellent thermal performance and good compatibility. It has already shown very high development potential for electronics cooling，freezing technology and thermal control applications in space and avionics. This paper introduces the structure and principle of pulsating heat pipe. A comprehensive review of experiments，numerical simulation and applications available so far is presented. Future development of pulsating heat pipe is how to achieve diversification，miniaturizatione and practical application.

With the development of aerobic biological processes，various aerobic bioreactors which are highly efficient and able to treat refractory，even poisonous wastewater are available. Three kinds of aerobic bioreactors (moving bed biofilm reactor，pressurized aeration bioreactor，membrane bioreactor) used in refractory organic wastewater treatment are reviewed. Their applications，advantages and disadvantages are discussed. The progresses of these kinds of bioreactors are also presented.

Isolated mixing regions (IMRs) exist widely in the stirred tank when operating with high- viscosity fluid under laminar flow conditions，which becomes a big barrier to efficient mixing. In order to increase the mixing efficiency，chaotic mixing was developed and applied successfully. The principle of chaotic mixing is dynamical perturbation，which can induce chaos within the flow field by destroying the periodicity of the moving fluid particles. Up to now，there are many methods about chaotic mixing in the stirred tanks，such as time-varying rotation，which includes co-reverse periodic rotation and time-periodically fluctuating rotation，eccentric rotation，reciprocating stirring，and so on. All the simulation and experimental research work have indicated that chaotic mixing can significantly improve the performance of the stirred tank and it has a great advantage over the conventional steady stirring methods.

Stirred tanks are popularly used in chemical，pharmaceutical and energy industries and water treatment. Mixing time is an important parameter characterizing mixing status in stirred tanks. The experimental and simulation study on mixing time in stirred tanks in last five decades are reviewed in this paper. The future development of measurement and simulation methods of mixing time is discussed.

Due to success commercial applications in converting natural gas to fuels and synthesizing methanol，the slurry column reactor has attracted attention of more and more researchers. The researches on flow dynamics characteristics，reactor design，solid/liquid separation and industrial applications of the slurry column reactor are reviewed. The effects of reactor pressure，temperature，gas superficial velocity，liquid property and solid holdup on the flow regime，gas holdup，bubble rise velocity and mass transfer coefficient are discussed. The studies in reactor design and solid/liquid separation are summarized.

Based on the inclusion associations between cyclodextrins and various guest molecules grafted onto polymer chains，novel macromolecular networks can be formed. Because of their simple binding model and controllable degree of cross-linking，these novel networks are ideal candidates for rheology modifiers or controlled drug release carriers as well as model system to test association theories. In this paper，the recent progress of macromolecular networks assembled by the cyclodextrin inclusive associations is reviewed. Two kinds of methods for networks assembly are introduced in detail, which are cross-linking of linear polymers and crystallization of cyclodextrin molecular tubes.

In recent years，polyaniline has attracted much attention because of its excellent properties. The study on its synthesis methods and polymerization mechanism is always one of the major research contents of polyaniline. In this paper，the chemical and electrochemical synthesis methods and the polymerization mechanism of polyaniline are reviewed.

The application of ionic liquids in carbon nanotubes has attracted much attention due to their remarkable properties, such as low toxicity, nonvolatility, high ionic conductivity, high chemical and thermal stabilities. This article summarizes the application and development of ionic liquids in the covalent functionlization, noncovalent functionlization and composites of carbon nanotubes, and elaborates their advantages and prospects.

The classification and properties of acidic ionic liquids are summarized. The application of Lewis acidic ionic liquids，Brønsted acidic ionic liquids and bi-acidic ionic liquids in catalysis reactions is reviewed. Researches on supported acidic ionic liquids and determination of acidity of ionic liquids are described. The current problems and further trends for their application are discussed.

Ni(Co) promoted molybdenum catalysts supported on γ-Al2O3 are the most widely used for hydrotreatment of oil fractions. Phosphorus is classified as a second promoter in Ni(Co)Mo/Al2O3 hydrotreating catalysts in order to improve some particular physicochemical properties of these catalysts. The influence of phosphorus on pore structure and acidity of catalysts，dispersions of activated metals，and hydrodesulfurization (HDS) and hydrodenitrification (HDN) performance of catalysts are discussed in this review. The finding of phosphorus additive，disagreement of conclusions of researchers，and future research and development sre analyzed.

Four methods of modification of tung oil are introduced，and the progress of modification of tung oil and its derivatives in the application of polymer materials is reviewed. The modification mechanisms of tung oil by Diels-Alder reaction，Friedel-Crafts reaction，oxidative polymerization and free radical polymerization are discussed. On this basis，the prospect of modification of tung oil and its derivatives in the application of polymer materials is also presented．

The intelligent hydrogels for controlled release of drug have the advantages of intelligence，high efficiency，safety and convenience. They have been extensively studied and applied in recent years，and have shown broad application prospects. In this paper，the recent progress in the research on temperature，pH，glucose，electric field and magnetic field-sensitive hydrogels for drug controlled release is reviewed.

The continuous industrial solid-state polymerization of nylon 6 spherical pellets with different initial molecular weights and moisture contents was studied in review of different reaction conditions，such as polymerization time，polymerization temperature and moisture content. Most of the results were found identical to those concluded from models，and temperature and initial molecular weight of nylon 6 chips played a very important role in this process. The results also proved that reaction time and moisture content of chips had an important effect on the solid-state polymerization. Moreover，initial oxidation temperature of nylon 6 chips in practice was found far lower than that concluded from the model research. Therefore，the valuable experimental results can help researchers to design and improve the models in their further study.

The bromobutyl rubber/phenolic sulfuration resin composite latex with 9.3% solid content was prepared by the method of dissolution and emulsification,and the composite latex was concentrated by the creaming method, with sodium alginate as creaming reagent. The effect of dosage of creaming reagent on creaming time, latex solid content and average particle size was studied, and it was found that the composite latex particle size was too large, and the concentration period was too long, about 15 days. The dry rubber transect made from composite latex was observed with SEM. It was discovered that large particles of the creaming composite latex syncretized very well, and formed dry rubber membrane. The 0.6mm rubber membrane was made by coating, drying and vulcanizing, and the mechanical properties and the permeation rate for H2 were determined. The results indicated that the vulcanized membrane was good in mechanical properties and the permeation rate for H2 was lower than NR and CR, with relative permeability 9.64% of NR, and 71.3% of CR.

Ni–La/γ-Al2O3·SiO2 catalysts with different La contents were prepared，and the structure and surface characteristics of the catalyst were measured with XRD，TPR，and XPS. It was revealed that Ni was dispersed well in the catalyst by addition of La. The effects of water/ethanol ratio and reaction temperature on the catalytic performance of Ni-La/γ-Al2O3·SiO2 (5%La) catalyst were studied，and it was found that when water/ethanol molar ratio was 4.0，hydrogen selectivity over Ni-La/γ-Al2O3·SiO2 (5%La) increased to 99.0% at 650℃，in particular CO selectivity was as low as 0.7% at 400℃.
The stability of Ni-La/γ-Al2O3·SiO2 (5%La) catalyst with on-stream time was examined at T=400℃，LSHV=8mL/g·h，n(water)/n(ethanol)=4.0，and it was found that no ethylene was detected and hydrogen selectivity remained at about 67.2% and the total amount of carbon deposition was calculated as only 8.6 mg/(gcat·h) in the ethanol steam reforming reaction system during the whole 100 h stability test.

A new kind visible-light responsive photocatalyst SxTi1-xN2-yOy was prepared by calcination. The SxTi1-xN2-yOy catalyst was characterized by X-ray photoelectron spectroscopy (XPS)，UV-vis absorption spectra and surface photovoltage spectroscopy (SPS). It was found that S (S6+) substituted some of the lattice titanium atoms in SxTi1-xN2-yOy，and the N was doped in the form of N—C，N—S，N—O and Ti—O bonds. The SxTi1-xN2-yOy was still n-type semiconductor and the light absorption onset of SxTi1-xN2-yOy was shifted to the visible region at 528nm. The photocatalytic decomposition of benzoic acid solution was carried out under simulated sun light; the photocatalytic activity of SxTi1-xN2-yOy was 2.8 times of TiO2.

In laboratory an ultrasonic demulsification technology was studied to intensify the dehydration of high water-content heavy waste oil from Sinopec Zhenhai Refining & Chemical Co. . The water content of the oil was as high as 54%. Under the conditions of demulsifier XDH and ultrasound frequency 40 kHz，the factors affecting demulsification and dehydration of waste oil were investigated. The results indicated that there existed optimal values for these factors， demulsifier XDH dosage 150 mg/L，ultrasonic intensity 413.5W/m2，ultrasonic irradiation time 5 min and sedimentation time 60 min at 70 ℃. Under the optimal experimental conditions，the final water volume fraction in the waste oil was lowered to 0.2 %.

An extraction process of the phenol hydroxylation mixture with MIBK and DIPE as extraction solvents，and at different solvent-solute ratios was studied. Moreover，complexation extraction with complexation agent tributyl phosphate (in MIBK，4-Methly-2pentenone) was also studied. The results showed that the solvent MIBK used during the multi-stage extraction experiment was more efficient than DIPE under the same conditions. The best solvent-solute ratio of 1/3 was obtained and the final yield was over 99%. The results were also verified by mathematical simulation of the multi-stage extraction. The yield of complexation extraction reached 99.76%.

The reactions of low and medium concentration dry methane over the anode of solid oxide fuel cell (SOFC) with Ni/yttria-stabilized zirconia(YSZ) anode and YSZ electrolyte were studied. The production rates of gases at anode outlet were measured at different current densities. Mass balance and the relations of production rates with reaction rates were used to analyze the chemical and electrochemical reactions taking place in parallel. For low concentration dry methane，partial oxidation of methane occurred at a low current density，electrochemical oxidations of hydrogen and carbon monoxide took place with the increasing current density. For medium concentration methane，only partial oxidation of methane occurred. Carbon deposition was found in all the tests.

In order to explore an optimized process for preparing a novel cationic emusifier，rosin，trimethylamine and epichlorohydrin as raw materials were used. The influences of reaction parameters on the esterification rate，such as reactants ratio，time，temperature and solvent by means of single-variable parameter. It was indicated that 83.4% of esterification rate could be reached under the optimal conditions as follows：ethanol as reaction solvent，n(rosin)∶n(trimethylamine)∶ n(epichlorohydrin)=1.1∶1∶1，100℃of reaction temperature and 3.5 h of reaction time. The product was characterized by IR and HNMR and the surface properties of the product were determined. The results showed that the emulsifier possessed good surface activity，and it had good emulsifying properties for rosin.

Paraffin wax emulsion with wax content over 50 % and good fluidity，excellent stability and dispersivity，is a cream color emulsion. The environment-friendly and high wax content emulsion was prepared from industrial paraffin wax and a new compounded emulsifier by a special method. The effects of the type and quantity of the emulsifier，the proportion of various components in the new compounded emulsifier，the temperature and time of emulsification，and stirring speed on the emulsification were investigated. The experimental result indicated that the new compounded emulsifier was better than conventional emulsifier. The optimum condition was as follows：new compounded emulsifier 7 % (mass)，emulsification time 40 min，emulsification temperature 90 ℃，stirring speed 1700 r/min. Under this condition，the wax content in the paraffin wax emulsion reached 50 %，and has good stability，dispersivity，and fluidity.

The alkaline composite polymer solid electrolyte with good properties was prepared by the solution cast method with poly vinyl alcohol (PVA)，carboxyl methyl cellulose( CMC) and KOH as raw materials. An optimized component ratio of m(PVA)∶m(CMC)∶m(KOH)=3∶1∶6 was obtained by investigating the relationship among the water capacity，conductivity and component of the solid electrolyte. The thermal stability and electrochemical stability of the electrolyte was investigated by DTA and CV techniques. The sample lost free water at 66℃ and hydroxyl bond water at 90℃，hydroxyl condensation occurring at 350℃ showed chemical dehydration of the inner molecule. A secondary nickel-zinc battery with the alkaline solid electrolyte was fabricated，a charge voltage plateau of 1.93～1.95Ｖand a discharge voltage plateau of 1.78～1.45V were observed respectively in the charge and discharge process of the battery at variable currents of 2～10 mA/cm2. The battery was charged and discharged at 5 mA/cm2 for 10 cycles. A coulomb efficiency of 92% was obtained at the last cycle，which showed that the prepared electrolyte had good properties.

A technology of dipping，chemical activation-drying-pyrolysis， charring used for manufacturing activated carbon adsorbents from sewage sludge was discussed. The optimal activation temperature was 450℃，mass ratio of ZnCl2 to dry sludge was 0.7∶1，time of activation was 1.5 hours，addition of sawdust was 2%. The obtained adsorbent’s capacity of iodine adsorption was over 510 mg/g，the yield was over 60%，specific surface area was over 390 m2/g，micropores and mesopores dominated，which was confirmed by SEM.

Gas chromatography was used for the separation and determination of beta-cypermethrin and malathion in mixed agent. Dipentyl phthalate was selected as internal standard．Under the selected conditions，the retention times of malathion，internal standard and beta-cypermethrin were 8.273min，9.280min and 12.297min respectively. RSD’s（n=7）for beta-cypermethrin and malathion were found to be 0.99% and 1.23% respectively，and the average recoveries were 100.5% and 100.9% respectively. The linear correlation coefficients were 0.9997 and 0.9987 respectively．

2,4-dimethyl benzoic acid, an intermediate of the acyl phosphine oxide photoinitiator with best performance was synthesized. The reaction mechanism was studied and sodium hypochlorite was used as the substitution of chlorine generally used in the chloroform reaction. The optimal synthesis conditions were found through orthogonal test as follows：the molar ratio of chlorinated acetophenone to sodium hypochlorite 1∶1.3，the amount of the catalyst (benzalkonium bromide solution) 15 mL，reaction time seven hours，reaction temperature 80 ℃. Repeated test showed that the average highest yield was 80%.

O-substituted chitosan quarternary ammonium salt was synthesized，then aldehydes with different chain lengths were grafted onto the C2 amino group，and O-quarternary ammonium salt -N,N- dialkylated chitosan (QADCS) was obtained. The structure of QADCS was characterized by FTIR， 1H NMR and EA. Meanwhile solubility and surface properties of QADCS were studied. The experimental result indicated that the QADCS can dissolve in chloroform and tetrahydrofuran as N,N-dialkylated chitosan and furthermore，it can dissolve in dimethyformamide and acetic acid，and the contact angle of water on the QADCS film significantly decreased. The hydrophilicity of QADCS was improved obviously and at the same time QADCS could also dissolve in various organic solvents.

Four energy-saving optimization recommendations were made for the methanol distillation process of four columns. The distillation process was simulated with PRO/Ⅱ, and the result showed that methanol recovery rate was improved by 0.3% and the energy consumption of the pre-distillation column was lowered by 7% after adopting the optimized process. Based on the simulation study and actual production data, the appropriate theoretical stages and operation parameters of each column were determined, and columnstructure, reference diameter, packing height or tray number of each column were recommended.