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Porous yellow tungsten oxide photocatalyst is a hotspot in researches of photocatalyst. Researchers proposed a method for preparing a porous structure yellow tungsten oxide photocatalyst. The process is simple, the raw materials are cheap and easily available, and the cost is low; the morphology of the product can be controlled by controlling the feeding ratio of glucose and ammonium tungstate, calcination temperature and time. More details, please visit: http://tungsten-oxide.com/index.html Preparation of Porous Yellow Tungsten Oxide Photocatalyst Step One: Weigh 2g…

Yellow tungsten oxide is a semiconductor photocatalyst that has advantages of small band gap, effective use of visible light, strong hydrophilicity, good dispersibility in water, and relatively high photocatalytic efficiency, so it can be used for organic wastewater treatment. More details, please visit: http://tungsten-oxide.com/index.html However, yellow tungsten oxide, which is more often known as tungsten trioxide or WO3, has defects such as easy photocorrosion. Therefore, in the current research, while improving the photocatalytic activity of WO3, researchers are also trying…

How to prepare Y2O3-WO3 photocatalyst? The researchers used impregnation method to prepare the composite Y2O3-WO3 catalyst. More details, please visit: http://tungsten-oxide.com/index.html Preparation of Y2O3-WO3 Photocatalyst Accurately weigh quantitative (99.0% analytically pure) Y2O3 into a 100mL beaker, then add 10mL of dilute nitric acid (volume fraction 10%) and stir to dissolve, add WO3 (analytical reagent with purity above 99.0%) in proportion to impregnate, and continuously stirring, heating and evaporating to a viscous state, drying at 100 °C for 3h, then calcining…

Y2O3-WO3 photocatalyst refers to a composite photocatalyst obtained by doping Y2O3 in the matrix WO3, which can be used to treat dye wastewater, such as acid red B – a water-soluble dye mainly used for dyeing wool and silk. Wherein, the doping of Y2O3 improves the photocatalytic activity of WO3. More details, please visit: http://tungsten-oxide.com/index.html WO3, as a semiconductor photocatalyst, has been used in research and treatment of printing and dyeing wastewater as early as 1985. At present, it has…

How to improve photocatalytic performance of yellow tungsten oxide? The researchers proposed a method to improve the photocatalytic performance of yellow tungsten oxide (tungsten trioxide/ WO3). Through this method, WO3 photocatalyst showed higher photocatalytic activity than the single crystal phase WO3in the photocatalytic degradation of water to produce hydrogen and degradation of pollutants. More details, please visit: http://tungsten-oxide.com/index.html The method for improving photocatalytic performance of WO3 mentioned above is to construct heterogeneous junctions. This is also one of the effective…

It is reported that yellow tungsten oxide, is not only a typical n-type semiconductor material, but a promising semiconductor photocatalytic material. Yellow tungsten oxide, also known as tungsten trioxide or WO3, is considered to be a semiconductor photocatalytic material with great development potential due to its high solar energy utilization rate, good visible light response and strong photocorrosion resistance, and has been widely used in hydrogen production from photolysis water and catalytic degradation of organic pollutants. More details, please visit:…

Yellow tungsten oxide can be applied for organic waste gas purification in heavy polluting industries. There are two appropriate measures for treatment of organic waste gas in heavily polluted industries: recovery method – separation and recovery through physical methods; elimination method – reduction of toxic waste gas through chemical and biological reactions. Wherein, using yellow tungsten oxide to treat organic waste gas belongs to the photocatalytic oxidation method in elimination method. More details, please visit: http://tungsten-oxide.com/index.html Photocatalytic oxidation method is…

What are preparation methods of yellow tungsten oxide? Or, what are preparation methods of tungsten trioxide (WO3)? There are different preparation methods for tungsten trioxide, mainly including solid phase method, liquid phase method, gas phase method, and ultrasonic chemical method. More details, please visit: http://tungsten-oxide.com/index.html Preparation Methods of Yellow Tungsten Oxide 1. Using solid phase method, process of tungsten trioxide is simple, but the prepared WO3 powder is easy to agglomerate, and its morphology cannot be well controlled. 2. Liquid…

CT tungsten alloy collimator refers to a tungsten alloy collimator used in CT scanners, mobile CT scanners and other CT equipment, which can play a role in radiation protection and radiation guidance. Wherein, the reason why tungsten alloy collimator has a radiation protection effect is that: tungsten alloy has high density, so it has excellent absorption capacity for X-rays. More details, please visit: http://www.tungsten-alloy.com/tungsten-alloy-radiation-shielding.html There are two tungsten alloy collimators in a CT scanner, a tungsten alloy collimator in X-ray…

Tungsten alloy collimator reduces radiation levels in CT scanning. Tungsten alloy collimator not only has the ding of collimation (X-ray guidance), but also absorbs scattered X-rays (X-ray shielding), so it can improve the image quality and can also reduce the radiation levels of CT scanning to a certain extent. More details, please visit: http://www.tungsten-alloy.com/tungsten-alloy-radiation-shielding.html The typical radiation dose associated with a standard CT scan ranges from 1 to 14 mSv, equivalent to the total annual dose of natural radiation that…