Oxygen vacancy enhanced photocatalytic activity of pervoskite SrTiO(3).

A facile and general method has been developed to fabricate oxygen vacancies on perovskite SrTiO3 (STO) nanocrystals through a controllable solid-state reaction of NaBH4 and SrTiO3 nanocrystals. STO samples with tunable color, oxygen vacancy concentration on nanocrystal surface have been synthesized. TEM results reveal that these STO samples have a crystalline core/amorphous shell structure (SrTiO3@SrTiO3-x).

[Characteristics and diversity of a microbial community decomposing wheat straw under aerobic conditions].

A microbial community with the stable ability of effectively decomposing wheat stalks was constructed at room temperature under aerobic conditions by the method of restricted cultivation. The degradation ability of the microbial community shows that when performed in 100 mL improved CMC liquid medium, the depth and diamerer of the fluid level were 2 cm and 9 cm, it kept higher degradation efficiency with capability of decomposing straws of 66.1% during the initial six days.

[Screening and characteristics of normal temperature lignocellulose-degradation microbial community].

A normal temperature lignocellulose-degrading microflora has been constructed by our laboratory. We researched the degradation activity and compose of the community in 28 degrees C fermentation condition. The results showed that the microbial community could degrade 39.

[Degradation of cyanide and maturity in cassava processing wastes composting].

An investigation was carried out to approach the degradation of cyanide and maturity during the cassava processing wastes composting process. Mixtures of cassava hull, cassava residues and pig manure were used in the experiment. Parameters like temperature, pH, cyanide, cellulose, hemicellulose, lignin and C/N ratio were assessed during the composting process, the effect of composting process on the degradation of cyanide and maturity were evaluated.

[Degradation of cassava residue by the cellulose degradation composite microbial system MC1].

The lignocelluloses of cassava residue are good biomass resources. They are mainly used to produce feeds and alcohol. It is a promising approach to utilize them to produce methane.