Chemical profiling of Fritillariae thunbergii Miq prepared by different processing methods reveals two new quality markers: Zhebeininoside and imperialine-3-β-D-glucoside.

Ethnopharmacological Relevance: Fritillariae thunbergii Miq (FTM)exhibit versatile biological activities including the significant antitussive and expectorant activities. As a herbal medicine, the therapeutic effects of FTM may be expressed by multi-components which have complicated integration effects on multi-targets. With the time going, the different processing methods of FTM has been changed a lot.

Novel TiO catalyst carriers with high thermostability for selective catalytic reduction of NO by NH.

A series of TiO catalyst carriers with ceria additives were prepared by a precipitation method and tested for selective catalytic reduction (SCR) of NO by NH. These samples were characterized by XRD, N-BET, NH-TPD, H-TPR, TEM, XPS and DRIFTS, respectively. Results showed that the appropriate addition of ceria can enhance the catalytic activity and thermostability of TiO catalyst carriers significantly.

Heteroatom-Doped Graphene for Efficient NO Decomposition by Metal-Free Catalysis.

N, S, and B-doped graphene was fabricated by thermally treating graphene oxide with heteroatom-containing precursors and its catalytic behavior for NO decomposition reaction was evaluated. For the first time, the feasibility for heteroatom-doped graphene to be effectively used for decomposing NO was experimentally confirmed. The activity of different heteroatom-doped graphene follows the order: N-doped graphene > S-doped graphene > B-doped graphene.

Key Role of Lanthanum Oxychloride: Promotional Effects of Lanthanum in NiLaO /NaCl for Hydrogen Production from Ethyl Acetate and Water.

The hydrogen economy is accelerating technological evolutions toward highly efficient hydrogen production. In this work, the catalytic performance of NiO/NaCl for hydrogen production via autothermal reforming of ethyl acetate and water is further improved through lanthanum modification, and the resulted 3%-NiLaO /NaCl catalyst achieves as high as 93% H selectivity and long-term stability at 600 °C. The promoting effect is caused by the strong interactions between lanthanum and NiO/NaCl, by which LaNiO and a novel LaOCl phase are formed.

[Treatment of PTA Wastewater by Modified Anode Microbial Fuel Cell].

The purpose of this study was to investigate the effect of different modified anodes on the microbial fuel cell(MFC) and the effect of MFC on the treatment of refractory wastewater. Based on a single room air cathode, the anode of MFC was modified by 0.10 g of tourmaline, 75% manganese bioxide/halloysite nanotube(MnO/HNT) and multi-walled carbon nanotube-carboxyl(MWCNT-COOH), respectively.

Mesoporous TiO-SiO adsorbent for ultra-deep desulfurization of organic-S at room temperature and atmospheric pressure.

Ultra-deep desulfurization is a major requirement for upgrading the quality of fuel and power sources for fuel-cells. A series of mesoporous TiO-SiO adsorbents were prepared and investigated for ultra-deep adsorption of benzothiophene (BT) and dibenzothiophene (DBT) from model fuel at ambient conditions. The adsorbents were characterized SEM, XRD, N-BET, FT-IR and NH-TPD techniques.

High-efficiency treatment of PTA wastewater using a biogas jet assisted anaerobic fluidized bed reactor.

In this paper, a new type of biogas jet assisted anaerobic fluidized bed reactor loaded with a polypropylene carrier has been proposed. There was a clear improvement in the fluidized state due to the biogas assisted input when the gas/water ratio was set at 1:3 with a suitable carrier loading of 60%. When the circulating water flow is 30 L/min assisted with biogas 10 L/min, the mixing time shortens from 26 to 18 s.

Novel CeMo O -clay hybrid catalysts with layered structure for selective catalytic reduction of NO by NH.

A facile method is to prepare novel CeMo O -clay hybrid catalysts with layered structures by using organic cation modified clay as support. During the preparation process, cerium cations and molybdate anions are easily adsorbed and impregnated into the interlamellar space of the organoclay, and after calcination they undergo transformation to highly dispersed CeMo O nanoparticles within the interlamellar space of the clay. As expected, the prepared CeMoO -OC- catalysts with layered structures had high selective catalytic reduction (SCR) activity such as high NO conversion of >90% in the wide temperature range of 220-420 °C.

Highly efficient Zr doped-TiO/glass fiber photocatalyst and its performance in formaldehyde removal under visible light.

Zr-doped-TiO loaded glass fiber (ZT/GF) composite photocatalysts with different Zr/Ti ratios were prepared with a sol-gel process. Zr can replace Ti in the TiO lattice, which is conducive to forming the anatase phase and reducing the calcination temperature. The glass fiber carrier was responsible for better dispersion and loading of Zr-doped-TiO particles, improving the applicability of the Zr-doped-TiO.

Ultrastrong composite film of Chitosan and silica-coated graphene oxide sheets.

Chitosan (CS) has attracted significant interest in various fields due to its outstanding functional properties (especially, its chain with positive charge). However, wide-range applications of CS are severely limited because of its poor mechanical properties. Ultrastrong composite film of CS and silica-coated graphene oxide sheets (GO@SiO) were prepared by a simple solution casting method in this article.

Effect of fluorine additive on CeO(ZrO)/TiO for selective catalytic reduction of NO by NH.

A series of CeO(ZrO)/TiO catalysts with fluorine additive were prepared by impregnation method and tested for selective catalytic reduction (SCR) of NO by NH. These samples were characterized by XRD, N-BET, Raman spectra, SEM, TEM, NH-TPD, H-TPR and XPS, respectively. Results showed that the optimal catalyst with the appropriate HF exhibited excellent performance for NH-SCR and more than 96% NO conversion at 360°C under GHSV of 71,400h.

Anaerobic co-metabolic biodegradation of tetrabromobisphenol A using a bioelectrochemical system.

Tetrabromobisphenol A(TBBPA), a pollutant in industrial wastewaters, needs to be removed due to its high toxicity and persistence. The main biodegradation pathway for TBBPA has been studied, and bisphenol A(BPA), which is toxic to the environment, is recognized as the general terminal product. In this study, we explored a new approach for the anaerobic biodegradation of TBBPA in a bioelectrochemical system (BES) through co-metabolic degradation of TBBPA with glucose.

The performance of a two-layer biotrickling filter filled with new mixed packing materials for the removal of H2S from air.

In the work described here, a two-layer biotrickling filter filled with new packing materials was used to remove H2S from air. The upper layer of the filter was packed with activated carbon-loaded polyurethane, whereas the lower layer was filled with modified organism-suspended fillers. The effects of inlet load, empty bed residence time (EBRT) from 79 s to 53 s, pH and contaminant starvation time were investigated.

Hydrogen production and wastewater treatment in a microbial electrolysis cell with a biocathode.

The broad application of microbial electrolysis cells (MECs) requires a system characterized by low cost and high operational sustainability. Biocathode MECs, which only require bacteria as the cathode catalysts, can satisfy these demands and have attracted considerable attention in recent years. In this study, we have examined biocathode alternatives to the typical platinum cathode in a single-chamber, membrane-free MEC.

Phenol biodegradation and simultaneous nitrogen removal using a carbon fiber felt biofilm reactor.

Phenol biodegradation and its effect on the biological nitrogen removal were studied in a biofilm reactor (15 L) packed with carbon fiber felt carriers. Meanwhile, the effects of the effluent internal recirculation ratios (0, 100% and 200%) and the air flow rates (0.42, 0.

Preparation of Fe-Cu catalysts and treatment of a wastewater mixture by microwave-assisted UV catalytic oxidation processes.

Microwave-assisted UV catalytic oxidation (MW/UV) is a potential method to treat organic pollutants that have non-biological degradability and high toxicity. To achieve high treatment efficiency, it is crucial to prepare heterogeneous photocatalysts with a high activity. Iron-copper catalysts were prepared by four different methods.

High yield hydrogen production in a single-chamber membrane-less microbial electrolysis cell.

The single-chamber membrane-less MEC exerted much better hydrogen production performance while given higher applied voltages than it did at lower. High applied voltages that could shorten the reaction time and the exposure of anode to air for at least 30 min between cycles can significantly suppress methanogen and increase hydrogen production. At an applied voltage of 1.

[Electricity generation using high concentration terephthalic acid solution by microbial fuel cell].

The high concentration terephthalic acid (TA) solution as the substrate of microbial fuel cell (MFC) was studied to generate electricity. The open circuit voltage was 0.54 V after inoculating for 210 h with anaerobic activated sludge, which proved that TA can be the substrate of microbial fuel cell to generate electricity.

[Influences of inorganic anions on oxidation of phenol by CuO-H2O2].

Phenol was selected as a model pollution substrate. The influences and mechanism of inorganic anions on its oxidation were investigated in neutral solution at low temperature and atmospheric pressure. Results showed that phenol could be removed efficiently by CuO and H2O2 with 94.

Enhancement of microwave-assisted covalent immobilization of penicillin acylase using macromolecular crowding and glycine quenching.

In order to create macromolecular crowding resembling cells in mesopores and improve the covalent immobilization of penicillin acylase (PA), macromolecular reagents were covalently assembled on the walls of mesocellular silica foams (MCFs) and paralleled enzyme molecules under microwave irradiation at low temperatures. The effects of kind and content of macromolecules on immobilization and the characteristics of the immobilized enzyme were investigated carefully. The maximum specific activities of PA assembled with Dex 10 (Dextran, Mw 10000) (85.

Improving enzyme immobilization in mesocellular siliceous foams by microwave irradiation.

Microwave irradiation was used to immobilize papain and penicillin acylase in mesocellular siliceous foams (MCFs) at low temperature. The maximum loading of papain reached 984.1 mg/g, 1.

An efficient immobilizing technique of penicillin acylase with combining mesocellular silica foams support and p-benzoquinone cross linker.

To improve the performance of covalently immobilized penicillin acylase (PA), the immobilization was carried out in mesocellular silica foams (MCFs) using p-benzoquinone as cross linker. The characterizations of the immobilized enzyme were studied carefully. The results showed that the relative activity of the immobilized PA was increased to 145% of that of free enzyme.