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Title: Sewage treatment in megacities by modified chestnut tree waste
Authors: Sapronova, Zh.
Sverguzova, S.
Sulim, K.
Svyatchenko, A.
Chebotaeva, E.
Keywords: Authors of BSTU
Issue Date: 2018
Publisher: IOP Publishing
Abstract: The greater the density of urban building, the more sewage is produced per unit area, so in megacities, where residential block of flats are built everywhere then the issue of water treatment is particularly acute. The paper presents the results of researches on the purification of urban municipal sewage using modified chestnut tree waste. This material has a great potential for use in water treatment, having universal accessibility and high sorption properties. The conducted researches made it possible to establish that the optimum temperature for carrying out the process of modification of tree waste is about 450°C. In this case, the material is notably carbonized, but the active ignition doesn’t happen. Researches carried out in model and municipal sewage showed that modified chestnut tree waste allows reducing COD values by 92%, reducing the content of suspended substances by 90%, nickel ions by 87%, oil products by 88%. Production tests on real sewage showed that with the aid of the obtained sorption material it is possible to conduct pre-or post-purify of the wastewaters effectively.
Description: Sewage treatment in megacities by modified chestnut tree waste / Zh. Sapronova [et al.] // IOP Conference Series: Materials Science and Engineering (FORM 2018). - 2018. - Vol.365. - 022058.
Appears in Collections:Industrial ecology

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