Chitosan-coated calcium alginate bacterial beads for removing ammonia in bioaugmented wastewater treatment

Chitosan-coated calcium alginate bacterial beads for removing ammonia in bioaugmented wastewater treatment include bacteria, comprising ochrobactrum intermedium and bacillus subtilis are immobilized in chitosan-coated alginate beads. A wastewater treatment process by using the chitosan-coated calciu...

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Hauptverfasser: KUAN YU JEN, HSIEH MEI LING, WANG SHUN FU, RUBINI NADARAKEEN, MALAK HASSAN ALI MOSRATI, YEH PEI WEN, YEN I WEI, LO LI MING
Format: Patent
Sprache:chi ; eng
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Zusammenfassung:Chitosan-coated calcium alginate bacterial beads for removing ammonia in bioaugmented wastewater treatment include bacteria, comprising ochrobactrum intermedium and bacillus subtilis are immobilized in chitosan-coated alginate beads. A wastewater treatment process by using the chitosan-coated calcium alginate bacterial beads comprises a step that wastewater inflow is subjected to biotreatment in abioreactor for 5-8 hours, and further can comprise a step that the chitosan-coated calcium alginate bacterial beadsare pre-cultured in the wastewater inflow for 6-12 hours, the wastewater treatment process is capable of being carried out with optimized parameters, wherein fresh wastewater inflow is supplied to the bioreactor by 65-75 v/v%, and a carbon source is supplied by per 2-4 hours; an airpump is used for inflation, and the temperature is maintained at 30-40 DEG C. 一种在用生物强化的废水处理中用于除氨的壳聚糖包覆的海藻酸钙细菌珠,其中该包括中间苍白杆菌和枯草芽孢杆菌的细菌被固定在壳聚糖包覆的海藻酸钙珠中。一种使用该壳聚糖包覆的海藻酸钙细菌小球来除氨的废水处理工艺包括在生物反应器中将废水流入物生物处理5-8小时的步骤。该废水处理工艺还可以包括在废水流入物中预