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A butyric acid recovery process using octyl acetate is proposed, and the design details of the extraction and subsequent distillation processes were investigated. Ternary equilibrium data for the extractor design were derived from molecular simulations and experimental measurements. A new procedure for estimating the thermodynamic parameters was introduced to determine the effect of the parameters on extractor design by comparison with previously reported parameters. Using the proposed recovery process with the newly estimated thermodynamic model, 99.8% butyric acid was recovered from the fermentation broth at a recovery rate of 99%. The energy demand for the proposed process was found to be lower than the average demand for several reported butyric acid recovery processes. The investment cost is projected to be lower than that of other butyric acid processes due to the high efficiency of extraction solvent. The recovery cost of butyric acid was comparable to its selling price. ....
AZoCleantech speaks with Fengqi You from Cornell University about his novel optimal PPE processing system that can convert waste PPE back into its original forms like petroleum and chemicals and further recycle it, potentially into fuels. ....
Methane, the main constituent of natural gas and biogas, is deemed to be an alternative source to replace crude oil to produce chemicals and fuels. Direct non-oxidative methane conversion (NMC) has been recognized as a single-step technology that directly convert methane to olefins and higher hydrocarbons. Low methane conversion, high energy input and low catalyst durability, due to endothermic reaction nature and coke formation, are main challenges. In this talk, I would like to highlight our recent innovations in catalytic wall and membrane reactors that solve the thermodynamic and kinetic challenges in NMC to achieve high methane conversion, high hydrocarbon yield, negligible coke formation and system’s long-term stability. These consequences originate from the removal of hydrogen co-product from NMC by hydrogen separation membranes to right shift the reaction towards high conversion. The elimination of coke formation achieved via design of short-contact time catalytic wall reacto ....
Aspen Technology Partners with Larsen & Toubro Infotech DUBAI, 4 hours, 13 minutes ago Aspen Technology, a global leader in asset optimisation software, has partnered with Larsen & Toubro Infotech (LTI) to deliver AspenTech solutions through LTI managed cloud services, which will accelerate the digitalisation journey for capital-intensive industries.
The partnership enables LTI to deliver AspenTech’s performance engineering desktop solutions, such as Aspen HYSYS and Aspen Plus, as well as AspenTech’s manufacturing supply chain solutions, including Aspen Unified TM , Aspen PIMS-AO and Aspen Petroleum Scheduler, through the cloud. This alliance allows industrial organisations to “bring their own licence” to gain high-fidelity remote access to their mission-critical applications, increase compute flexibility and performance gains for more accurate, faster decision-making and accelerate time-to-value from new product innovations. ....