Jan 1, 2023 · 2.1. Type of compost technology. At present, there are three commonly used composting types: windrow [30], trough [31], [32], and reactor [33].. Windrow composting is a typical open composting method, characterized by evenly mixing and stacking raw materials into long windrows, and periodically turning the pile manually or mechanically to make the materials ferment under the condition of