Preparation and application of sandwich-type multilayer immobilized bioactive filler

• Main Authors: CHEN WEI, ZHAO YUELAN, WANG XIAOLE, WANG YUJIE, WANG MENG, YAO RENDA, YANG HONG, HU XIJIA, SHANG HAIYUAN, GUAN QINGKUN, MENG TING, WU CHENGFENG, YAN LIN, TAO MUXIANG
• Format: Patent
• Language: Chinese; English
• Published: 30.07.2014
• Subjects: BEER; BIOCHEMISTRY; CHEMISTRY; CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATERTREATMENT OR WASTE MANAGEMENT; COMPOSITIONS THEREOF; CULTURE MEDIA; ENZYMOLOGY; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; METALLURGY; MICROBIOLOGY; MICROORGANISMS OR ENZYMES; MUTATION OR GENETIC ENGINEERING; PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS; SPIRITS; 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; VINEGAR; WINE

The invention discloses preparation and an application of a sandwich-type multilayer immobilized bioactive filler, and belongs to the technical field of water treatment. The bioactive filler is composed of two parts: embedding bodies and non-woven carriers; the embedding bodies are obtained by boric acid secondary cross-linking curing of an embedding liquid; the embedding bodies and the non-woven carriers are in alternative arrangement; fiber yarns of the non-woven carriers and the embedding bodies are combined into a stable organic whole; the embedding liquid formed by mixing a bacteria concentrated solution and a polyvinyl alcohol solution evenly coats the non-woven carriers, multiple layers of carriers are overlaid together, a layered filler having a sandwich-like structure is formed after boric acid secondary cross-linking curing, and then the granular bioactive filler is prepared through cutting the layered filler. The problems that bacteria in a traditional biochemical method are low in concentration, e