Zobrazeno 1 - 10
of 57
pro vyhledávání: '"Bambang Pramudono"'
Autor:
Slamet Priyanto, Ronny W. Sudrajat, Suherman Suherman, Bambang Pramudono, Teguh Riyanto, Desty D. Setianingrum, Alfin A. Pratama
Publikováno v:
Chimica Techno Acta, Vol 9, Iss 4 (2022)
A tertiary recovery technique is needed to recover the remained oil in the oil field after primary and secondary recoveries, which can only recover approximately 30–50% of the total oil. This study investigated the synthesized polymeric surfactants
Externí odkaz:
https://doaj.org/article/f5f32e5bdf9b40d487eabe31f4ee18e5
Autor:
Slamet Priyanto, Anansya Putri Intan, Bambang Rianto, Tutuk Djoko Kusworo, Bambang Pramudono, Edi Untoro, Puspa Ratu
Publikováno v:
Reaktor, Vol 19, Iss 4, Pp 162-167 (2019)
Declining oil production in Indonesia lately has been much discussed by industrial practitioners, especially from the petroleum industry. The decrease is due to the age of old drilling wells with high water cut (> 90%), so it is necessary to pursue a
Externí odkaz:
https://doaj.org/article/fb90c537a5ea4e52a87c63197662cfbf
Publikováno v:
Bulletin of Chemical Reaction Engineering & Catalysis, Vol 14, Iss 1, Pp 60-68 (2019)
The development of a mathematical model for explaining the kinetics of flocculation and coalescence of emulsion droplets is essential to study the stability of an emulsion system of the kinetics of emulsion stability. Mathematic models was developed
Externí odkaz:
https://doaj.org/article/0bc2d67777b64288beef799d2b14eb40
Publikováno v:
Reaktor, Vol 18, Iss 04, Pp 202-208 (2019)
In Indonesia, a lot of discarded agricultural waste still contains cellulose (35-50%), the waste can still be hydrolyzed to glucose and then used as raw material in the manufacture of surfactants. Glucose can be reacted with tert-butanol using a para
Externí odkaz:
https://doaj.org/article/8b4dc9e30d594ff9b8efe574cbd2d128
Publikováno v:
Bulletin of Chemical Reaction Engineering & Catalysis, Vol 13, Iss 3, Pp 466-474 (2018)
The influence of microwave irradiation on the chitosan hydrolysis catalyzed by cellulase enzyme was studied. The hydrolyzed chitosan was characterized by measuring its viscosity and reducing sugar. Further, it was also characterized by Fourier-Transf
Externí odkaz:
https://doaj.org/article/728090938a2243d4adfc74dc89d13390
Autor:
Nur Rokhati, Bambang Pramudono, Titik Istirokhatun, Mohammad Sulchan, Dyah Ayu Kresnianingrum, Luthfi Kurnia Dewi
Publikováno v:
Reaktor, Vol 15, Iss 4, Pp 261-267 (2016)
Abstract CHITOSAN ENZYMATIC HYDROLYSIS USING A COMBINATION OF ENDO-GLUCANASE AND CELLOBIOHYDROLASE. Chitosan is very promising in various fields including medicine, pharmacology, and the food industry. However, the application of this polysaccharide
Externí odkaz:
https://doaj.org/article/22e3b6eb142b4233aa860f5866bfbc94
Publikováno v:
Reaktor, Vol 14, Iss 2, Pp 158-164 (2012)
CHARACTERIZATION OF ALGINATE AND CHITOSAN COMPOSITE FILM. Due to the specific characteristics of (thin) films, the use of polymer films in various aplications has singnificantly increased. Alginate and chitosan are natural polymers, which have potent
Externí odkaz:
https://doaj.org/article/6f1bb74e12814813915700c5d1de6187
Publikováno v:
Reaktor, Vol 13, Iss 4, Pp 231-236 (2012)
ULTRASOUND ASSISTED EXTRACTION OF CINNAMON OLEORESIN FROM CINNAMON BARK USING ALCOHOLS AS SOLVENTS. Cinnamon oleoresin is a complex mixture of resin and essential oil extracted from cinnamon burmanii by using organic solvent, and is primarily used as
Externí odkaz:
https://doaj.org/article/e5bacfdeda5f4e89bb06d064ca32d527
Publikováno v:
Bulletin of Chemical Reaction Engineering & Catalysis, Vol 5, Iss 1, Pp 51-56 (2010)
Production of biodiesel through transesterification process using heterogenous catalysts in order to avoid the saponification problem was studied. In this process, palm oil reacted with methanol to form a mixture of glycerol and biodiese over a solid
Externí odkaz:
https://doaj.org/article/7837793cc5264ae3be57ed95fd0bb16c
Publikováno v:
Bulletin of Chemical Reaction Engineering & Catalysis, Vol 5, Iss 1, Pp 51-56 (2010)
Production of biodiesel through transesterification process using heterogenous catalysts in order to avoid the saponification problem was studied. In this process, palm oil reacted with methanol to form a mixture of glycerol and biodiese over a solid
Externí odkaz:
https://doaj.org/article/671b653583b54da5a2dd082f781ada8c