Page 120 - B-SR-2016-EN
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                                                                                                                                       Waste Water Disposal Efficiency Project

                                                                                                                                       The Auxiliary Units had a new pool built in Decem-
                                                                                                                                       ber 2016 with a USD 40 thousand investment as
                                                                                                                                       the waste disposal costs increased due to an in-
                                                                                                                                       crease in discharge water parameters in Borçelik
                                                                                                                                       treatment facility (namely chemical oxygen de-
                                                                                                                                       mand and iron). This prevented the additional cost
                                                                                                                                       induced by the rinsing waters sent from the CGL1
            — At Borusan Group companies,                                                                                              Continuous  Galvanizing Line for disposal, while
                                                                                                                                       making the iron dust settle within the sedimenta-
                                                                                                                                       tion pool.
            we develop innovative solutions                                                                                            RESULTS AND GAINS

            for the objective of using water                                                                                           Flow rate control of the waste water coming
                                                                                                                                       from the production lines was achieved. The
                                                                                                                                       discharged water legal parameter performance
            efficiently, reducing water                                                                                                was improved. Disposal costs were reduced to

                                                                                                                                       about TRY 10 thousand per month.

            consumption through reusing the

            water treated for our production                                                                                       Borçelik

                                                                                                                                   Reverse Osmosis Waste

            processes and discharching                                                                                             Water Recovery Project

            waste water without creating any                                                                                       Industrial  water  recovery  was  targeted  from  the   RESULTS AND GAINS
                                                                                                                                   waste water of the existing reverse osmosis water
                                                                                                                                                                                           > We have managed to regain water at the
            threats to the environment. —                                                                                          demineralisation unit by reducing water consump-        flow rate of 13 m /h from a new RO system
                                                                                                                                   tion to protect the underground water resources.
                                                                                                                                                                                           which uses waste water at the flow rate of
                                                                                                                                   During  this  USD  50  thousand  project  that  lasted
                                                                                                                                   from August 2016 until the end of the same year,        25 m /h.
                                                                                                                                                                                           > We have increased the quality of
                                                                                                                                   waste water flow rate measurements and analyses         unprocessed water by transferring the end
                                                                                                                                   were carried out, and the infrastructure works for      product water to the unprocessed water
                                                                                                                                   the waste water recovery unit were completed.

            At Supsan, with a project to reduce water consumption in 2015, we                                                      In  Borçelik,  we  have  finished  the  installation  of  a   > Thanks to the rise in the quality of the
                                                                                                                                                                                           water that enters the system, the acid and
                                                                                                                                   new RO system for the reuse of the waste water
            reduced our 12 thousand tons of watwer usage to 11.5 thousand tons in                                                  that is ejected from the reverse osmosis system         caustic consumption has been reduced by

            2016. With another project to treat spiral waste water at BMB, we could                                                that filters the well water. With this plant, we target-  20%.
                                                                                                                                                                                           > In 2016 in 10 months alone, we
                                                                                                                                   ed to regain 40% of the RO waste water with a flow
            discharge the waste water to BUSKİ waste water treatment facility.                                                     rate of 25 cubic meters per hour, which comes out       have managed to reduce our water
                                                                                                                                   of an RO system where the water consumption is          consumption by 108,291 cubic meters,
                                                                                                                                   90 cubic meters per hour.                               which amounts to 17% of saving in water.

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