Environmental Engineering
1. Immobilization of resin photocatalyst in removal of soluble effluent organic matter and potential for disinfection by-products

E.N. Hidayah; R.B. Pachwarya; O.H. Cahyonugroho

Volume 8, Issue 3 , July 2022, , Pages 437-448

http://dx.doi.org/10.22034/gjesm.2022.03.10

Abstract
  BACKGROUND AND OBJECTIVES: The existence of organic matter is one of the main issues for wastewater reclamation since chlorination is applied most frequently before use wastewater reclamation for many purposes. One of the eco-friendly and effective methods is using innovative material through resin immobilized ...  Read More

2. Organic matter from biofilter nitrification by high performance size exclusion chromatography and fluorescence excitation-emission matrix

E.N. Hidayah; W.L. Lai; O.H. Cahyonugroho; F. Rizqa

Volume 6, Issue 2 , April 2020, , Pages 133-144

http://dx.doi.org/10.22034/gjesm.2020.02.01

Abstract
  A combination of high performance size exclusion chromatography with organic carbon detector and ultraviolet detector coupled with peak-fitting technique and fluorescence excitation-emission matrix spectrometry applied fluorescence regional integration method was conducted to determine the characteristics ...  Read More