TY JOUR TI Micellar extraction of copper using surface-active substances KW diaphragm underwater discharge KW copper KW colloidal system KW nanoparticles JO From Chemistry Towards Technology Step-By-Step AU Sitanov, D.V. AU Shabanova, A.A. AU Proshyan, A.A. AU Moshin, I.A. PY 2025 IS 6 PB Yaroslavl State Technical University