Stannous chloride (SnCl2) and stannous sulfate (SnSO4) synthesis from tin powderization waste

C. A. Tajuddin, M. I. Amal, W. B. Widayatno, N. Wulandari, D. F.D. Purnomo, M. Nasikin

Research output: Contribution to journalConference articlepeer-review


The necessity of finding a way to utilize Sn metal from tin powderization waste as effectively and efficiently as possible has risen because of the large number of industrial by-products of Sn waste and the broad applications of tin chemicals in the world. Stannous chloride (SnCl2) and stannous sulfate (SnSO4) are tin-derived compounds in which their applications are in various fields, and one of which is catalysts. Catalyst products produced from the two compounds are STO (Sulfated Tin Oxide) catalyst. In this study, tin powderization waste was used as raw material for the synthesis of SnCl2 and SnSO4. The purpose of using tin waste is an effort to create the Sustainable Development Goals (SDG) program launched by the United Nations to obtain a sustainable consumption and production system. Tin powder from the off-spec product of the tin powderization process can be used as raw material to manufacture tin-derived chemical compounds. Overall, the process of developing tin products will produce a non-waste system (zero waste). The optimum conditions to synthesize SnCl2 are as follows; the tin powder particle size is 500 mesh with HCl 12 M at 80 C with a yield percentage of 95%. The synthesis of SnSO4 with the reaction of SnCl2 + (NH4)2SO4 can be carried out using stirring techniques. The results of the FT-IR spectrometer showed a spectrum of sulfate groups in the region ∼ 1181 cm-1.

Original languageEnglish
Article number012025
JournalIOP Conference Series: Earth and Environmental Science
Issue number1
Publication statusPublished - 17 May 2021
EventInternational Conference of Biomass and Bioenergy 2020, ICBB 2020 - Bogor, Virtual, Indonesia
Duration: 10 Aug 202011 Aug 2020


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