This project deals with the problem at the core of chemical processes, that of creating a structure for the reaction-separation-recycle system. New methods have been developed for the synthesis of such structures capable of screening a wide range of options and taking account of all of the trade-offs simultaneously. For the first time these methods are capable of fully taking into account the i...

Abstract. Oil extraction rate (OER) is essential in measuring palm oil mills' performance and competence. One of the attempts to achieving high OER exploring possibility recovering residual from mill effluent (POME). A recent technique called progressive freezing (PF) has been proposed reclaim POME, forming a block solid system. This article focuses on evaluating quality recovered through its p...

To lower the concentration of organic pollutants in effluent stream, wastewater must be treated before being discharged into environment. The question whether treatment facilities can successfully reduce micropollutants found their influent streams is becoming increasingly pressing. removal plants investigated using a model that incorporates biodegradation and sorption as key processes micropol...

Saturated [K s ], field saturated [K fs ] and unsaturated [K(ψ)] SUMMARY There is increasing interest in the landspreading of slurries, sludges, effluents and fertilisers, resulting from the need to recycle increasing volumes of waste from high production agriculture units, old and new sewage treatment works and industrial facilities. Wastes should be spread only on suitable unsaturated soils a...

With the method of theoretical analysis, this thesis, systematically analyzed the limitations of the present theory of accounting in recycle economy and the reasons for that, analyzed the characteristics of accounting in recycle economy, and, according to the internal demand of recycle economy, put forward brand new development orientation of theory of accounting that would be suitable for recy...

Chemical plant designs with heat or material recycle are becoming more common due to economic and environmental reasons. Underperforming control loops in chemical plants may in some cases be attributed to the presence of recycle streams. This is because recycle alters the dynamics of neighboring processes. During commissioning work, when control engineers are tuning control loops, they are ofte...