Resource recovery from bio-based production processes in developing Asia

Gunarathne, Duleeka Sandamali; Udugama, Isuru A.; Jayawardena, Sanjivani; Gernaey, Krist V.; Mansouri, Seyed Soheil; Narayana, Mahinsasa

doi:10.1016/j.spc.2018.11.008

Cited by 28 publications

(15 citation statements)

References 104 publications

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“…Prior to proceeding with the column design activities, distillation column concepts are first discarded that do not have commercial scale applications with operating conditions comparable to AA grade methanol production. This is because building commercially unproven or novel distillation concepts increases the project's economic risk and might also require additional capital investment in the form of extended process development to transition the concept from a low technology readiness level to a ready‐to‐deploy concept 28,29 . Therefore, both internal heat integrated distillation (HIDiC) and cyclic distillation column configurations are not considered due to their lack of industrial scale applications at similar operating conditions.…”

Section: Column Selectionmentioning

confidence: 99%

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Separation of middle boiling trace compounds by distillation: An investigation of practical implications of complex column arrangements on an industrial methanol distillation case study

Udugama

Kirkpatrick

et al. 2020

Asia-Pacific J Chem Eng

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The drive to achieve greater energy efficiencies is well‐established in the fine chemical industries with distillation processes being a key focus due to their disproportionate energy consumption totaling more than 40% of the overall plant. The objective of this paper is to specifically focus on the energy efficiency benefits that would be realized by employing intensified distillation column configurations on a high purity, multicomponent, high recovery industrial methanol distillation where a middle boiling trace ethanol component must be managed to ensure on specification production (<10 ppm wt. ethanol in product and <5 ppm impurities in bottoms). Based on technology maturity constraints, five column configurations were selected for further analysis, comprising a direct synthesis configuration, a side draw column, a Petlyuk inspired recovery column arrangement, a divided wall column, and a cut divided wall column. These configurations were then simulated on an industrial process simulator where all configurations were able to match the strict industrial product specifications and design limits. The energy usage of the column configurations was improved through a systematic analysis, and the results revealed that all intensified columns have a superior energy usage compared to the direct synthesis configuration but with the gains limited to only 3%. An unbiased consideration of the energy efficiency results, together with other external factors including cost of capital and operability, shows that the recovery column configuration would be the most practical choice despite the presence of the divided wall column configuration which represents a greater level of intensification and integration.

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Section: Column Selectionmentioning

confidence: 99%

“…Investors require low capital expenditures unless significant efficiency gains are to be expected. Further, unproven designs require additional development work, which may put a significant burden onto project execution 28–30 …”

Section: Introductionmentioning

confidence: 99%

Separation of middle boiling trace compounds by distillation: An investigation of practical implications of complex column arrangements on an industrial methanol distillation case study

Udugama

Kirkpatrick

et al. 2020

Asia-Pacific J Chem Eng

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“…Recovery of resources from waste streams continues to be an area of active research and commercial interest due to the promise of improving both economic and environmental performances of a process [1][2][3].…”

Section: Introductionmentioning

confidence: 99%

Resource recovery from waste streams in a water-energy-food nexus perspective: Toward more sustainable food processing

Udugama

Petersen

Falco

et al. 2020

Food and Bioproducts Processing

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“…Numerous processes have been developed to remove dissolved heavy metal ions, such as ion exchange, chemical precipitation, ultrafiltration, reverse osmosis, coagulation, and electrolysis (Ahluwalia & Goyal, 2007;Ates & Uzal, 2018;Kobya, Demirbas, Senturk, & Ince, 2005;Purkayastha, Mishra, & Biswas, 2014). These methods have significant disadvantages and accompany many problems such as energy-intensive, incomplete removal, and generation of toxic sludge (Ghomi, Asasian-Kolur, Sharifian, & Golnaraghi, 2020;Gunarathne et al, 2019).…”

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confidence: 99%

Adsorptive removal of heavy metals from industrial effluents using cow dung as the biosorbent: Kinetic and isotherm modeling

Saraswat

Demir

Gosu

2020

Environmental Quality Mgmt

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This article investigated an eco-friendly technique for the removal of heavy metals using biosorbent derived from cow dung. Heavy metals bearing wastewater were collected from a common effluent treatment plant located at Sangariya, Jodhpur (Rajasthan, India) to evaluate the removal efficiency of synthesized cow dung-activated carbon. The prepared activated carbon materials have a high surface area in the range of 948-1072 m 2 /g and also have significant quantities of micropore and mesopore volumes. Furthermore, pore diameters were in the range of 2.24-2.33 nm. Surface morphology was improved after being treated with NaOH. The adsorbent material was found to be an efficient medium for the removal of Cr(VI) and Cd(II). The results revealed that more than 95.6% of Cr(VI) and 66.88% of Cd(II) were achieved at the optimized condition of pH12.0, initial concentration of heavy metals 10 mg/L, 300 min of contact time, and the dose of 0.2 g/L, whereas only 16.3% removal efficiency was observed for Ni(II). Equilibrium data have been analyzed by Langmuir, Freundlich, Temkin, and Redlich and Peterson (R-P) isotherm models with the help of nonlinear regression analysis. Experimental data were best fitted for Freundlich and R-P isotherms. K E Y W O R D S adsorption, biosorbent, cow dung-activated carbon (CDAC), heavy metal 1 INTRODUCTION Pure water, vital for a healthy environment, is a resource that is adversely affected both quantitatively and qualitatively by man-made activities. Rapid industrialization and urbanization have brought a real water crisis. Industries continue to be a major cause of water pollution due to diverse kinds of waste, especially toxic heavy metal ions released in water bodies, without adequate treatment (Nguyen et al., 2013). Water quality changes significantly with the presence of toxic heavy metals (Ni, Cd, Zn, Hg, Cr, Pb, Cu, and As) when the level exceeds prescribed limits. Thus, it becomes potentially harmful to all kinds of life on this planet. Heavy metals in water streams originate from the effluent of smelters, mines, and various industries such as batteries, tanneries, electroplating, steel, refining ores, paint manufacture, pesticides, fertilizers, pigment manufacture, printing, and photographic sectors (Babalola, 2018). The nature and composition of industrial effluents depend mainly on raw materials, process, and treatment methods. The ingestion of heavy metals via the food chain, in concentrations above the permissible limit, has a detrimental effect on human physiology and other biological systems. Due to their hazardous tendency of accumulation and toxicity, they pose a severe threat to the function of different organs in the human body and aquatic animals (Fu, & Wang, 2011; Rangabhashiyam, Jayabalan, Rajkumar, & Balasubramanian, 2019). Various agencies, viz., the U.S. Environmental Protection Agency (EPA), the Bureau of Indian Standards (BIS), and the Indian Council of Medical Research (ICMR), set regulatory limits for

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Resource recovery from bio-based production processes in developing Asia

Cited by 28 publications

References 104 publications

Separation of middle boiling trace compounds by distillation: An investigation of practical implications of complex column arrangements on an industrial methanol distillation case study

Separation of middle boiling trace compounds by distillation: An investigation of practical implications of complex column arrangements on an industrial methanol distillation case study

Resource recovery from waste streams in a water-energy-food nexus perspective: Toward more sustainable food processing

Adsorptive removal of heavy metals from industrial effluents using cow dung as the biosorbent: Kinetic and isotherm modeling

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