Physicochemical recycling of perlite from agar extraction waste for repeated reuse and its enhancement mechanism on agar quality - Zhipeng Li; Fan Feng; Yi Liang; Danling Tang; Lifen He; Yuanfan Yang; Mingjing Zheng; Qingbiao Li; Xiping Du; Zedong Jiang; Fei Li; Yanbing Zhu; et al. (Waste Management, 2026)