Regular Article

Prediction of operating parameters range for ammonia removal unit in coke making by-products

¹ Principal Researcher, Coal and Coke Making Research, R&D, Tata Steel Ltd., Jamshedpur, 831001 Jharkhand, India
² Chief By-product Plant, Coke Plant, Tata Steel Ltd., Jamshedpur, 831001 Jharkhand, India
³ Sr. Manager, Information technology services, Tata Steel Ltd., Jamshedpur, 831001 Jharkhand, India
⁴ Principal Researcher, Coal and Coke Making Research, R&D, Tata Steel Ltd., Jamshedpur, 831001 Jharkhand, India
⁵ Head, By-product Plant, Coke Plants, Tata Steel Ltd., Jamshedpur, 831001 Jharkhand, India
⁶ Head IT RM CSI, Tata Steel Ltd., Jamshedpur, 831001 Jharkhand, India

^* email: hp.tiwari@tatasteel.com

Received: 28 July 2017
Accepted: 15 December 2017

Abstract

Coke oven gas treatment plants are well equipped with distributed control systems (DCS) and therefore recording the vast amount of operational data efficiently. Analyzing the stored information manually from historians is practically impossible. In this study, data mining technique was examined for lowering the ammonia concentration in clean coke oven gas. Results confirm that concentration of ammonia in clean coke oven gas depends on the average PCDC temperature; gas scrubber temperatures stripped liquor flow, stripped liquor concentration and stripped liquor temperature. The optimum operating ranges of the above dependent parameters using data mining technique for lowering the concentration of ammonia is described in this paper.