Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Application of Composts’ Biochar as Potential Sorbent for Reduce VOCs Emission during Food Waste Storage

Version 1 : Received: 1 September 2023 / Approved: 4 September 2023 / Online: 4 September 2023 (10:58:43 CEST)

A peer-reviewed article of this Preprint also exists.

Rosik, J.; Łyczko, J.; Marzec, Ł.; Stegenta-Dąbrowska, S. Application of Composts’ Biochar as Potential Sorbent to Reduce VOCs Emission during Kitchen Waste Storage. Materials 2023, 16, 6413. Rosik, J.; Łyczko, J.; Marzec, Ł.; Stegenta-Dąbrowska, S. Application of Composts’ Biochar as Potential Sorbent to Reduce VOCs Emission during Kitchen Waste Storage. Materials 2023, 16, 6413.

Abstract

It is expected that due to the new UE regulation focus on waste management, managing kitchen waste will become more important in the future, especially in households. It is, therefore, crucial to develop user-friendly and odor-free containers to store kitchen waste. The study aimed to test the effectiveness of compost biochar in reducing noxious odors and volatile organic compounds (VOCs) released during kitchen waste storage. Varying quantities of compost biochar (0%, 1%, 5%, and 10%) were added to food waste samples and incubated for seven days at 20℃. VOCs released were analyzed on days 1, 3, and 7 of the storage simulation process. The results indicated that adding 5-10% of composts’ biochar to kitchen waste significantly reduced emissions in 70% of detected VOCs compounds. Additionally, Compost's biochar can be used to eliminate potential odor components and specific dangerous VOCs such as ethylbenzene, o-xylene, acetic acid, and naphthalene. A new composts’ biochar with a unique composition was particularly effective in reducing VOCs and could be an excellent solution for eliminating odors in kitchen waste con-tainers.

Keywords

VOCs; kitchen waste; waste storage; compost biochar

Subject

Environmental and Earth Sciences, Waste Management and Disposal

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