Upgrading Existing Plant to Extended or New Applications

RPA have over the years carried out a number of design and environmental tasks for a speciality chemicals producer and acid recovery business. For most of this work, RPA staff have provided input to and worked with the site’s own chemists, engineers and projects staff, so as to create an integrated team.

The latest project involved the updating of the design details to suit current regulations for a relocated combustion and recovery plant for used sulphuric acid which is heavily contaminated with hazardous organics. This included a large increase in throughput capacity within the same major equipment items and the design of suitable off-gas quenching and scrubbing equipment. RPA prepared the necessary IPPC authorisation support documentation and provided a technical overview role during the plant’s relocation, upgrade, start up and early operation.

RPA also provided appropriate technical input to the development of an integrated scheme whereby the throughput of this plant could be further increased by the use of a combination of pre-treatment facilities and integrated cross linking with other evaporative sulphuric acid recovery systems. These developments were evolved into a sequence of phased steps which could be implemented as needed to suit the market requirements.

This integrated involvement with the Client’s own staff and technical specialists is typical of RPA’s preferred method of providing Engineering Support. That is not to say that RPA would not take on the total role if that was required, but by fully involving the site staff, maximum “buy in” and project effectiveness can be achieved.

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