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World Chemical Engineering Journal
Published by Universitas Sultan Ageng Tirtayasa
ISSN : -     EISSN : 24432261     DOI : https://dx.doi.org/10.62870/wcej.v8i1.26617
Core Subject : Engineering,
Chemical Engineering, Chemistry & Bioengineering
WCEJ publishes original papers and reviewed papers on the fundamental, theoretical as well as applications of Chemical Engineering. WCEJ is published two times a year. This journal covering some aspects of chemical engineering, which are environmental chemical engineering, chemical reaction engineering, bioprocess-chemical engineering, materials synthesis and processing.
Arjuna Subject : Teknik Kimia (semua kategori) - Teknik Kimia (Lain-Lain)
Articles 5 Documents
 1 
Search results for , issue "VOLUME 1 NO. 4 JUNE 2017" : 5 Documents clear
An Initial Study of the Water Pollution Analysis at Residential, Office Building and Industrial Area’s in Bogor Izzati, Titia
World Chemical Engineering Journal VOLUME 1 NO. 4 JUNE 2017
Publisher : Chemical Engineering Department, Engineering Faculty, Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/wcej.v1i4.1942

Abstract

The purpose of this study is to find out the level of acidity (pH) and electrical conductivity (EC) in the ground water in Residential, Office Building and Industrial Area in Bogor. This study used pH meter to determine the level of acidity and EC meter to find out the electrical conductivity. The method in this research was to collect ground water samples randomly in several places in Bogor area. The result of this research showed that the ground water in Bogor area was categorized as normal, because the pH was in range of 7.23 to 7.51
Exhaust Emission Analysis on Motorcycle with Fuel and Gasoline Mixture of H2O Electrolysis Arwati, I Gusti Ayu; Syamsul, Nurato; Izzati, Titia
World Chemical Engineering Journal VOLUME 1 NO. 4 JUNE 2017
Publisher : Chemical Engineering Department, Engineering Faculty, Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/wcej.v1i4.1943

Abstract

In this study, researchers used a type of motor 4 stroke 125 cc Suzuki Shogun brands with the year of manufacture 2010. Data collection exhaust emission test performed when the motor before and after wear electrolytes with various mixtures of electrolyte. Data were taken by the engine rotation changes from 1,000 RPM to 4,000 RPM. The highest yield for CO occurred at 4000 RPM with an electrolyte mixture of distilled water and 1 ½ tablespoons of KOH with a value of 1.04%. While the lowest CO occurred at 3,200 RPM when the motor was not used electrolysis with a value of 0.07%. For HC was highest at 1,000 RPM when the motor was not used electrolysis the value of 382 ppm. While the lowest occurred in HC 4,000 RPM with a mixture of distilled water and KOH electrolyte ½ tablespoons of as much as 20.33%. The highest value of CO2 was in the second electrolyte mixture, 8.2%. It was the first mixture between KOH electrolyte and distilled water. In the other hand, the lowest value of CO2 valuewas around 4.1%. It happened for the second time mixture while the motor electrolysis only distilled water and electrolytes itself.
Calories Value of Rice Husk Biobriquette Study as Potential of Renewable Energy in Indonesia Suhirman, Suhirman; Toron, Yustinus S.; Sholehah, Inayatu
World Chemical Engineering Journal VOLUME 1 NO. 4 JUNE 2017
Publisher : Chemical Engineering Department, Engineering Faculty, Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/wcej.v1i4.1944

Abstract

Energy has an important role in supporting human life so that to get energy source we have to use natural resource optimally. Indonesia has been dependent on fossil fuels but its availability continues to experience scarcity. On the other hand Indonesia is a production country of rice and as the big consumer in the world. Unfortunately the rice husks are not used optimally. This review is knowing how to produce the rice husk briquettes and the factors that are affect quality of briquettes. This paper focus on the optimum factors include the type of adhesive, adhesive composition comparison, particle size, carbonization conditions, settler index and stability that are analyzed for knowing calories value of briquettes.
Processing Corn Cobs Waste as Bio Briquettes Nugrahaeni, Dela A.I.; Anggraini, Dinar P.; Firmansyah, Arif
World Chemical Engineering Journal VOLUME 1 NO. 4 JUNE 2017
Publisher : Chemical Engineering Department, Engineering Faculty, Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/wcej.v1i4.1940

Abstract

Corn cobs waste can be processed into bio briquettes, where it can be used asalternative fuels to replace fossil fuels. Making of bio briquettes are easy, low cost,simple technology and friendly to environment. The purpose of making journal biobriquettes are to review characteristics corn cobs waste to get optimal processconditions and analyze calorific value was produced from corn cobs waste. Corn cobs waste is chosen as raw material for making bio briquettes because produce high waste and less utilized optimally. Therefore, corn cobs waste is processed into bio briquettes so can increase economy value. Making of Bio briquettes are expected can be applied in domestic industry and industry developing to fulfill energy needs.
Potential of Microalgae as Biofuel Feedstock Dwicahyanto, Sharfan; Parviana, Yunita; Novtiansyah, Ditra
World Chemical Engineering Journal VOLUME 1 NO. 4 JUNE 2017
Publisher : Chemical Engineering Department, Engineering Faculty, Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/wcej.v1i4.1941

Abstract

Microalgae are photosynthetic microorganism capable to produce biomass fraction such as lipids, proteins and carbohydrates. Microalgal biomass can be converted to biofuel such as bioethanol, biodiesel and biogas. Biofuel derived from microalgae considered as third generation of biofuel. Microalgal biomass can be converted to energy by biological or chemical methods. Carbohydrate-enriched microalgal biomass can be used for bioethanol raw material. Biomass with high carbohydrate content can be made by manipulating environment factors such as cultivation medium, nutrition limitation, light intensity, salt stress, and temperatures. Biofuel derived from microalgal can replace biofuel derived from terrestrial plants because microalgal biomass has a high caloric value, low viscosity, low density, and lack of lignin that make it easy for converting it into biofuel like bioethanol

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