Sintesis Komposit Mno2/Sio2 Dengan Metode Sol-Gel Dan Uji Aktivitas Katalit…

vi SUMMARY The increase of industry in a country has an impact on improving the environment pollution, especially textile industry. Methylene blue (MB) is a dye that is widely used in the textile, biochemical dyes and printing industries. This dye has a benzene group which makes it difficult to degrade naturally, it is toxic and causes genetic mutations. Effective way of degradation was chemi…