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The changes in heat exchanger characteristics due to dirt sediment and the effect of corrosion on the conduction pipe can cause difficulty to control the system properly. To anticipate sudden changes in heat exchanger characteristics, this study then tried to identify the open loop recording curve on the heat exchanger in the form of a temperature curve and create a PID controller simulation program...
Petroleum refinery effluent (PRE) needs treatment before discharge. One treatment option is the filtration of PRE through membranes but membranes can be become fouled, reducing their efficiency. This study evaluates the improvement of polymeric ultra‐filtration (UF) membrane performance by integrating membrane filtration with a Fenton‐flocculation process to treat PRE prior to sending it through...
Pre-processed rubber (bokar) of smallholder plantation in Indonesia suffer low in productivity and quality, resulting a larger environment burden to process it into high quality rubber products. Green Productivity improvement model was designed and simulated in smallholder rubber plantation in ensuring products quality to customer while at the same time decrease environmental impact. The model was...
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