三价铁离子还原方法

• Format: Patent
• Language: Chinese
• Published: 07.12.2016
• Subjects: CHEMISTRY; CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATERTREATMENT OR WASTE MANAGEMENT; COMPOUNDS THEREOF; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; INORGANIC CHEMISTRY; METALLURGY; NON-METALLIC ELEMENTS; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

本发明公开了种三价铁离子还原方法，首先对收集的含碳生物质进行清洗、风干、烘干、粉碎、过筛，得到粒径小于100目的含碳生物质干粉；然后将含碳生物质干粉与水按比例混合均匀置于高压反应釜内，应釜内的水热温度为100~300℃，对反应物加热1~24h后，冷却，冲洗至洗涤液pH不变，再过滤烘干，然后以100~300℃活化1~30min，再经过研磨过筛后得到水热生物炭粉；最后将水热生物炭粉按照0.1~10g/L的投加剂量加入Fe溶液中，还原反应0~120h，经过还原反应后得到Fe溶液。本发明开发种简单、廉价、高效的Fe还原再生Fe方法，同时实现对废弃生物质的资源化利用，应用前景广阔。 The invention discloses a ferric ion reduction method comprising the steps of firstly, cleaning, airing, drying, crushing and screening a collected carbonaceous biomass to obtain carbonaceous biomass dry powder of which the particle size is smaller than 100 meshes; secondly, uniformly mixing the carbonaceous biomass dry powder with water in proportion, putting the mixture in an autoclave in which the hydrothermal temperature is 100-300 DEG C, heating the reactant for 1-24 hours, then cooling, rinsing until the pH value of a cleaning solution is not changed, then filtering, drying, activating for 1-30 minutes at 100-300 DEG C, and grinding and screening to obtain hydrothermal biological charcoal powder; finally, adding the hy