Synthesis of Nanosilica Originated from Fly Ash using Sol-Gel Method with Methanol as Solvent - Chaidir, Daniel Alvin; Program Studi Teknik Kimia, Fakultas Teknologi Industri, Universitas Katolik Parahyangan Jl. Ciumbuleuit 94, Bandung 40141 Telp./Fax : 022-2032700 (Seminar Nasional Teknik Kimia Kejuangan, 2016)