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首页> 外国专利> Visible light response-type photocatalyst powder, visible light response-type photocatalyst material using the visible light response-type photocatalyst powder, photocatalyst coating material, and photocatalyst product

Visible light response-type photocatalyst powder, visible light response-type photocatalyst material using the visible light response-type photocatalyst powder, photocatalyst coating material, and photocatalyst product

机译：可见光响应型光催化剂粉末，使用了可见光响应型光催化剂粉末的可见光响应型光催化剂材料，光催化剂涂料和光催化剂产品

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摘要

In one embodiment, a visible light responsive photocatalyst powder has organic gas decomposition performance that responds nonlinearly to an amount of irradiated light under visible light in an illuminance range of not less than 200 lx nor more than 2500 lx. The visible light responsive photocatalyst powder has a gas decomposition rate of 20% or more, for example, when visible light having only a wavelength of not less than 380 nm and an illuminance of 2500 lx is irradiated, the gas decomposition rate (%) being set as a value calculated based on [formula: (A−B)/A×100], where A represents a gas concentration before light irradiation and B represents a gas concentration when not less than 15 minutes have elapsed from the light irradiation and, at the same time, the gas concentration is stable, the gas concentrations being measured while allowing an acetaldehyde gas having an initial concentration of 10 ppm to flow into a flow-type apparatus in which 0.2 g of a sample is placed.
机译：在一个实施方案中，可见光响应性光催化剂粉末具有有机气体分解性能，其在不小于200lx且不大于2500lx的照度范围内对可见光下的照射光量具有非线性响应。可见光响应型光催化剂粉末的气体分解率例如为20％以上，例如，仅照射波长为380nm以上，照度为2500lx的可见光时，气体分解率为（％）。设定为基于[式：（AB）/ A×100]计算出的值，其中，A表示光照射前的气体浓度，B表示光照射后经过15分钟以上的气体浓度，同时，气体浓度稳定，在测量气体浓度的同时，使初始浓度为10 ppm的乙醛气体流入装有0.2 g样品的流动式设备中。

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