Gas emission monitoring of pre-heat furnace of metatitanic acid pastes

Authors

DOI:

https://doi.org/10.15587/2312-8372.2016.65542

Keywords:

purification of gas emissions, titanium(IV) oxide pigment, heat recovery

Abstract

Due to the gradual convergence of national environmental legislation with European Union requirements it is necessary to conduct environmental monitoring of gas emissions of pre-heat furnace of metatitanic acid pastes. Critically analyzing the current system of clearing, it is established that technology isn’t provide the use of exhaust gas heat. As a result is an irreversible loss of 27,8 MW of heat and thermal pollution of the atmosphere; degree of purification of harmful components doesn’t exceed 55 %, which doesn’t meet modern requirements, then – a significant excess of maximum permissible concentrations of pollutants; insufficient level of dust collection, which causes loss of pigment TiO2. Overall, the current technology is ineffective and has no prospects for intensification.

In the article the technological feasibility and economic viability of recycling waste and reducing energy consumption is proved. The concept of two-stage wet cleaning is proposed. Its implementation provides high separation efficiency of TiO2 particles, neutralization of harmful gas components and partial recycling of exhaust gas heat.

Author Biographies

Андрій Богданович Гелеш, Lviv Polytechnic National University, 12 Bandera str., Lviv, Ukraine, 79013

Candidate of Technical Sciences, Associate Professor

Department of Chemistry and Technology of Inorganic Substances

Віктор Теофілович Яворський, Lviv Polytechnic National University, 12 Bandera str., Lviv, Ukraine, 79013

Doctor of Technical Sciences, Professor

Department of Chemistry and Technology of Inorganic Substances

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Published

2016-03-29

How to Cite

Гелеш, А. Б., & Яворський, В. Т. (2016). Gas emission monitoring of pre-heat furnace of metatitanic acid pastes. Technology Audit and Production Reserves, 2(4(28), 74–80. https://doi.org/10.15587/2312-8372.2016.65542

Issue

Vol. 2 No. 4(28) (2016): Technologies of food, light and chemical industry

Section

Technologies of food, light and chemical industry

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Copyright (c) 2016 Андрій Богданович Гелеш, Віктор Теофілович Яворський

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