种有机硅渣浆的回收利用方法

• Format: Patent
• Language: Chinese
• Published: 17.11.2017
• Subjects: ARTIFICIAL STONE; CEMENTS; CERAMICS; CHEMISTRY; CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATERTREATMENT OR WASTE MANAGEMENT; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS; CONCRETE; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; LIME, MAGNESIA; METALLURGY; REFRACTORIES; SLAG; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE; TREATMENT OF NATURAL STONE

本发明公开了种有机硅渣浆的回收利用方法，属于环境保护技术领域，该方法包括以下步骤：(1)在有机硅渣浆中加入低沸物进行水解，再进行固液分离，得到上清液和沉淀物；(2)上清液用乙醇进行醇解，沉淀物用碱液进行碱解；(3)醇解和碱解的最终产物全部引入沉淀池，用氯化钾溶液水洗，得到稀释液和干渣；(4)用干渣、水泥和砂，再掺入稀释液，加水制备成建筑用水泥砂浆；(5)将稀释液与有机溶剂混合，加入脂肪酸进行反应，反应物加入水配制成建筑材料防水剂。本发明的有机硅渣浆回收利用方法简单可行，水解后的干渣能用于制备水泥砂浆，稀释液能制成建筑材料防水剂，实现了废物循环利用，减少环境污染，符合可持续发展战略要求。