A PROCESS FOR CONTROLLING THE SODIUM AND SULFUR BALANCE IN A PULP MILL
收藏国家林业和草原科学数据中心2023-02-12 更新2024-03-07 收录
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资源简介：
The present invention relates to a process for the controlling the sodium and sulfur levels in a pulp mill， comprising the steps of: a) providing a pulp mill stream comprising sulfide and having a total alkali concentration of at least 2 Molar; b) supplying a portion of the pulp mill stream to a reactor comprising sulfide oxidizing bacteria and removing sulfide from the pulp mill streamby subjecting said stream to sulfide oxidizing bacteria in the presence of oxygen， and at a pH in the range 8 to 11， to oxidize the sulfide to elemental sulfur， c) withdrawing from the reactor a treated pulp mill stream comprising sulfur， wherein the portion of the pulp mill stream is mixed with a portion of the sulfide oxidizing bacteria present in the reactor prior to supplying the pulp mill stream to the reactor in step b).
提供机构：
国家林业和草原科学数据中心
创建时间：
2023-02-12
