HARDING PRIZE COMPETITION 2025 | BTS


Above, figure 6: Water Treatment Plant (WTP) graphics - left: MS system (as installed at Align); right: Herrenknecht system SOURCE: (LEFT) ALIGN SOURCE: (RIGHT) HERRENKNECHT AG


in treating much larger flows, but these require space and are more expensive.


2.7.2. Mining/Tunnelling Projects For some mining, tunnelling and piling works there is slurry generated to assist in the production processes of the works. The slurry requires treatment to allow discharge, due to the environmental constraints imposed and the quantities of slurry required for production needs.


Bespoke, larger-scale slurry operations are needed


for the equipment designed for use on such works, such as TBMs. This is where STPs and WTPs are requirements. Many companies can design these facilities and there


needs to be compatibility with the excavation equipment, at all interfaces of the linked system, i.e., the TBM, STP and WTP. Graphics of some of these WTP systems are shown in Figure 6, the STP graphic can be found in Figure 1.


Above, figure 7: New WTP at Align for discharge to environment May 2025 | 19


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