Case Study:

Delivering a Benchmark Rope Dyeing Denim Plant through our Design Consultancy Services


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Problem

60,000 meters/day denim – rope dyeing greenfield plant in Western India.
Project Properties
– Project complexity – Project being set up in two phases. Uncertainty on whether utility generators be sized for Phase 1 & 2 or for only Phase 1

– Lowest OPEX - Setting up a plant with lowest Specific Energy Consumption

– Lowest CAPEX – Optimising utility related project costs 
Design Approach
– Process parameter details - OEM specified utility loads were compared with Forbes Marshall's benchmark data of existing denim plants

– Impact on CAPEX and OPEX was worked out considering utility generator sizing for Phase 1 vs for Phase 1 & 2

– Design was built with modularity and flexibility to cater to phase wise expansions
Benefit Delivered
– Specific Steam Consumption of 2.45 kilograms steam per meter production against 3 kilograms per meter for a conventional design

– 18% OPEX reduction amounting to INR18 million (Approx USD 22700)

– 8% reduction in CAPEX

– Distribution losses of <3% against conventional plant losses of >5%

– Water Savings: 4,365 cubic meters/ annum with a condensate recovery factor of >70% Co2 reduction of 1,233 tons / annum