Dec 22 (Reuters) - Mineral Deposits Ltd MDL.AX :
* Restart of furnace at tti MDL.AX
* Says production of chloride slag is expected to begin once the furnace reaches optimal temperature
* Says the furnace at the tizir titanium and iron ilmenite upgrading facility (`tti') has been restarted
* At full capacity and utilisation, the company expects tti to produce over 200kt of upgraded titanium dioxide feedstock per annum
* Source text for Eikon ID:nASX51kmns