The development of fly ash-supported CaO derived from mollusk shell of Anadara granosa and Paphia undulata as heterogeneous CaO catalyst in biodiesel synthesis

INTERNATIONAL JOURNAL OF ENERGY AND ENVIRONMENTAL ENGINEERING

Authors: Hadiyanto, H; Lestari, SP; Abdullah, A; Widayat, W; Sutanto, H;

APPLICATION OF Spirulina platensis ON ICE CREAM AND SOFT CHEESE WITH RESPECT TO THEIR NUTRITIONAL AND SENSORY PERSPECTIVES

JURNAL TEKNOLOGI

Authors: Agustini, TW; Ma'ruf, WF; Widayat; Suzery, M; Hadiyanto; Benjakul, S;

Ultrasound Assisted in Situ Esterification of Rubber Seeds Oil for Biodiesel Production

INTERNATIONAL JOURNAL OF ENGINEERING

Authors: Hadiyanto, H; Widayat, W; Duma, A;

Biodiesel Production with Continuous Processing and Direct Ultrasonic Assisted

2016 4TH INTERNATIONAL CONFERENCE ON SUSTAINABLE ENERGY ENGINEERING AND APPLICATION (ICSEEA)

Authors: Widayat; Satriadi, H; Choirudin, F; Fitriana, A; Kiono, BFT; Syaiful;

Biodiesel Production from Jatropha Curcas Oil and Palm Oil by Using Undirect Ultrasonic Assisted

2016 4TH INTERNATIONAL CONFERENCE ON SUSTAINABLE ENERGY ENGINEERING AND APPLICATION (ICSEEA)

Authors: Widayat; Satriadi, H; Baharsyah, A; Supriyandi;

The Optimization Process of Biodiesel Production Using Multiple Feedstock (CPO And Jatropha) with Assistance of Ultrasound at 40 Khz

PROCEEDINGS OF THE 3RD AUN/SEED-NET REGIONAL CONFERENCE ON ENERGY ENGINEERING AND THE 7TH INTERNATIONAL CONFERENCE ON THERMOFLUIDS (RCENE/THERMOFLUID 2015)

Authors: Fajar, B; Wilis; Widayat;

Synthesis H-Zeolite catalyst by impregnation KI/KIO3 and performance test catalyst for biodiesel production

10TH JOINT CONFERENCE ON CHEMISTRY

Authors: Widayat, W; Wicaksono, AR; Firdaus, LH; Okvitarini, N;

Optimization Process of Tribenzoine Production as a Glycerol Derived Product

INTERNATIONAL CONFERENCE OF CHEMICAL AND MATERIAL ENGINEERING (ICCME) 2015: GREEN TECHNOLOGY FOR SUSTAINABLE CHEMICAL PRODUCTS AND PROCESSES

Authors: Widayat, A; Rifianto, Y; Abdullah, H; Samsudin, AM; Annisa, AN;

Kinetic Study on Ultrasound Assisted Biodiesel Production from Waste Cooking Oil

JOURNAL OF ENGINEERING AND TECHNOLOGICAL SCIENCES

Authors: Widayat; Aulia, HN; Hadiyanto; Sasongko, SB;

Kinetic Study on Esterification of Oleic Acid with Ultrasound Assisted

BASIC RESEARCHES IN THE TROPICAL AND COASTAL REGION ECO DEVELOPMENTS

Authors: Suprarukmi, DD; Sudrajat, BA; Widayat;