造纸工业中,来自废纸处理过程的废弃物——造纸污泥(PS)的排放量逐年增加。PS的大部分是通过焚烧处理,以除去其中的有机成分,残留有无机成分的焚烧灰,有的用作水泥原料,更多的是被填埋处理。日本某公司通过焚烧将PS中的无机成分烧成灰(经焚烧后的PS称作PSA)并用作造纸原料,成功 In the paper industry, emissions of paper-making sludge (PS), a waste product from waste paper processing, have been increasing year by year. Most of the PS is processed by incineration to remove the organic components, incineration ash with inorganic components remaining, and some are used as cement raw materials, more often by landfill. A company in Japan burned the inorganic components of PS by incineration (incinerated PS is called PSA) and used it as a papermaking raw material, succeeding