| 摘要 |
<p>The invention relates to a process for treating organic material, separating calcium and recovering phosphorus and to utilization of the obtained product s and their use as a soil conditioner and a fertilizer as well as for providin g carbon dioxide traps in gas cleaning. In the process, organic ingredients ar e separated from calcium-phosphate-containing ingredients, the calcium-phospha te- containing ingredients are dissolved in an acid-containing solution and/or t he calcium is precipitated as a salt corresponding to the acid, and optionally phosphoric acid formed from a phosphate ion is separated. The invention also relates to a calcium-carbonate-containing product and a phosphoric-acid- containing product, which are prepared by the process of the invention.</SDO AB></p> |
