无机有机复合磁性絮凝剂的制备、应用及相关机理研究
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1.Efficient removal of both positively and negatively charged colloidal contaminants using amphoteric starch-based flocculants synthesized by low-pressure UV initiation (vol 282, 120120, 2022)
2.Biopolymer-based flocculants: a review of recent technologies
- 关键词:
- Biopolymer-based flocculants; Flocculation; Modification methods;Flocculation mechanisms; Water treatment;DYE WASTE-WATER; CHITOSAN-BASED FLOCCULANTS; SLUDGE DEWATERINGPERFORMANCE; STARCH-BASED FLOCCULANTS; LIGNIN-BASED FLOCCULANT;HEAVY-METAL; CELLULOSE NANOFIBERS; EMERGING POLLUTANTS; CHAINARCHITECTURES; SUGARCANE BAGASSE
Biopolymer-based flocculants have become a potential substitute for inorganic coagulants and synthetic organic flocculants due to their wide natural reserves, environmental friendliness, easy natural degradation, and high material safety. In recent years, with more and more attention to clean technologies, a lot of researches on the modification and application of biopolymer-based flocculants have been carried out. The present paper reviews the latest important information about the base materials of biopolymer-based flocculants, including chitosan, starch, cellulose, and lignin etc. This review also highlights the various modification methods of these base materials according to reaction types in detail. Via the recent researches, the flocculation mechanisms of biopolymer-based flocculants, such as adsorption, bridging, charge neutralization, net trapping, and sweeping, as well as, some other special mechanisms are comprehensively summarized. This paper also focuses on the water treatment conditions, the removal efficiency, and advantages of biopolymer-based flocculants in applications. Further, this review sheds light on the future perspectives of biopolymer-based flocculants, which may make progress in the sources of base materials, modification processes, multi-function, and deepening application researches. We believe that this review can guide the further researches and developments of biopolymer-based flocculants in the future, to develop them with a higher efficiency, a lower cost, more safety, and multi-function for more diversified applications.
...3.Review of the Template Copolymerization of Cationic Polyacrylamide
- 关键词:
- Template polymerization; cationic polyacrylamide; reaction mechanism;template selection; reaction kinetics; sequence structure;DYEING SLUDGE DEWATERABILITY; FLOCCULATION PERFORMANCE; GRAFTINGPOLYELECTROLYTES; MICROBLOCK STRUCTURE; BLOCK-COPOLYMERS;NMR-SPECTROSCOPY; ACRYLIC-ACID; POLYMERIZATION; ACRYLAMIDE; MECHANISM
Template polymerization refers to the synthesis of cationic polyacrylamide (CPAM) with microblock structures. The definition of template polymerization and the reaction mechanism of synthesizing CPAM are presented in this paper. The selection of a template for template polymerization is discussed along with the related kinetic problems and the sequence structure of CPAM that is synthesized via template polymerization. The applications of CPAM are also introduced to provide an important basis for future research on its template polymerization.
...4.Review of the Template Copolymerization of Cationic Polyacrylamide
- 关键词:
- Template polymerization; cationic polyacrylamide; reaction mechanism;template selection; reaction kinetics; sequence structure;DYEING SLUDGE DEWATERABILITY; FLOCCULATION PERFORMANCE; GRAFTINGPOLYELECTROLYTES; MICROBLOCK STRUCTURE; BLOCK-COPOLYMERS;NMR-SPECTROSCOPY; ACRYLIC-ACID; POLYMERIZATION; ACRYLAMIDE; MECHANISM
Template polymerization refers to the synthesis of cationic polyacrylamide (CPAM) with microblock structures. The definition of template polymerization and the reaction mechanism of synthesizing CPAM are presented in this paper. The selection of a template for template polymerization is discussed along with the related kinetic problems and the sequence structure of CPAM that is synthesized via template polymerization. The applications of CPAM are also introduced to provide an important basis for future research on its template polymerization.
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