Abstract
Palm oil waste such as Palm Mill Effluent (POME) can endanger the environment, sincePOME stillcontains organic compounds with highCOD and BOD. To reduce COD and BOD level, POME needs tobe processed into environmentally friendly and useful products. One of the products is biogas, whichcan be used as fuel for gas engines to produce electricity. Biogas can be an alternative to diesel fuel.The results of the study indicatedthat the amount of biogas content from the new POME waste processcan be used to supply gas engines. It is necessary to optimize the design of the Human MachineInterface (HMI)ofthe biogas cleaning system such as bioscrubber, dehumidifier, and blower units,using instrumentation and control software called Virtual Instrument Engineering WorkbenchLaboratory (LabVIEW). LabVIEWis a system design platform and development environment for visualprogramming languages from National Instruments (NI), USA. Instrumentation and control systemsare designed for automation with graphic programming languages. The built-in interface helps simplifycomplex functions such as visualizing the control system in a large database and system-processingoptimization that has been designed.Kata kunci: biogas, gas engine, gas handling, labVIEW, POME (Palm Oil Mill Effluent)
Highlights
1)Pusat Teknologi Sumberdaya Energi dan Industri Kimia Agency for The Assessment and Application of Technology (BPPT)
The results of the study indicatedthat the amount of biogas content from the new Palm Oil Mill Effluent (POME) waste process can be used to supply gas engines
It is necessary to optimize the design of the Human Machine Interface (HMI)ofthe biogas cleaning system such as bioscrubber, dehumidifier, and blower units, using instrumentation and control software called Virtual Instrument Engineering Workbench Laboratory (LabVIEW)
Summary
Palm Oil Mill Effluent (POME) can endanger the environment,since POME is categorized as a very high contaminating wastewater that can contains a biochemical oxygen demand (BOD) of 25,000 mg and chemical oxygen demand (COD) of 69,500 mg (Najafpour, 2006). Anaerobic digestion is a process where organic materials are decomposed in a condition where there is no oxygen present and useful biogas is produced, simultaneously. There are three stages of reactions involved in anaerobic digestion and its potential of treating wastes while producing renewable energy become biogas. Gas engine usually used fossil fuel and gas engine can use biogas from result POME processing. Typical composition of biogas produced, it will be distributed to the dehumidifier and analysed by analytical transmitter whether the gas content is in accordance with specification of gas engine designed for biogas. If the gas produced is not in accordance with the specification, the gas will be discarded and burned in flares, but if the gas produced is in accordance with the gas engine specification, the blower will automatically turn on and open the gas channel so that it can be directly injected into the gas engine as fuel
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