标题：MICROWAVE INITIATED SYNTHESIS OF FLOCCULANTS BASED ON MODIFIED SAGO STARCH FOR THE TREATMENT OF SUSPENDED SOLID IN WATER
其他标题：SINTESIS FLOKULAN DARI PATI SAGU DAN AKRILAMIDA MENGGUNAKAN MICROWAVE INITIATED TECHNIQUE UNTUK APLIKASI PENURUNAN KADAR PADATAN TERSUSPENSI DALAM AIR
摘要：Sago starch base of polymeric flocculants could be synthesized by grafting copolymerization of polyacrylamide (PAM) branches on modified polysaccharide (carboxymethyl starch,CMS) backbone by using microwave irradiations (‘microwave initiated’ synthesis).This research was aimed to identify the best process conditions for synthesizing of flocculants made of sago starch base and to identify the flocculants performance on reducing suspended solids contained in water.According to the test result of several properties of flocculant named carboxymethylstarch-grafted-polyacrylamide (CMS-g-PAM) such as the product’s coversion rate,grafting ratio,grafting efficiency and flocculation performance (removal efficiency of tested parameters: Total Suspended Solid or TSS,turbidity and color) then it could concluded that the best conditions of copolymerization reaction was using 100 ml of acrylamide 50% and and 3 minutes of microwave irradiations.Flocculants CMS-gPAM yielded by the best process conditions could reduce TSS 7.5 mg/l to 2.5 mg/l (66.67%),turbidity 8.5 FTU to 2 FTU (76.47%) and color 40.5 PtCo unit to 11 PtCo unit (72.84%).
其他摘要：Nanoserat selulosa telah diisolasi dari ampas tapioka dengan tujuan untuk mempelajari sifat fisik Flokulan hibrid yang merupakan gabungan antara polimer alami seperti pati sagu (backbone) dan polimer sintetis seperti akrilamida (cangkok) dapat disintesis
