Today, the Ministry of Ecology and Natural Resources of the Republic of Tatarstan held a meeting of the Scientific and Technical Council chaired by the Minister Aleksandr Shadrikov. The event was also attended by the General Director of OAO Tatneftekhiminvest-holding Rafinat Yarullin. During the meeting, 4 proposals on application of technologies for recultivation of the sludge fields in Kazan were heard.