As compared with the conventional clay contact process, said combined process exhibited better denitrogenation-deacidification efficiency and less waste disposal.

• 与单纯的白土精制工艺相比，脱氮-吸附脱酸组合工艺具有更高的脱氮和脱酸效率，废渣量减少，有较好的社会和经济效益。