Hydrogen Chloride Absorption System comprises of an isothermal falling film type absorber and adiabatic tail-gas tower with a recirculation pump. The System is designed with proper distribution arrangement for equal distribution of process, water and formation of a uniform liquid film in all holes. The Hydrogen Chloride Absorption System is suitable for gases coming from batch-process. Hydrogen Chloride Absorption System is offered with distribution block that facilitates ease of operation.