Chemical engineering

Mô phỏng quá trình hóa học là gì, số liệu nào cần thiết cho quá trình mô phỏng, chương trình mô phỏng là gì, phương pháp mô phỏng một quá trình sử dụng computer nhằm giúp các bạn hiểu hơn về vấn đề này, mời các bạn cùng tham khảo nội dung bài giảng "Welcome to Process Design in Chemical Engineering" dưới đây.

42p ntchung8894 11-12-2015 75 8   Download

The specific research objectives of this study are: 1. The development of a high throughput method for evaluation of alloys (5xxx Al as model materials in this work) subject to pitting; 2. Understanding the roles of variation in functional groups' in determining the inhibition efficiency; 3. Elucidating the inhibition mechanisms; and 4. Unveiling the role of intermetallic present in Al matrix and their contribution to the inhibition mechanism, particularly the long-term durability of the inhibitor systems.

104p runthenight04 02-02-2023 11 2   Download

The study "Studies on film forming corrosion inhibitors on aluminium alloy, AA2024-T3" presents key aspects of the film forming behaviour of the selected inhibitors and the test methods used to evaluate the inhibitor induced films in a chloride solution. This study also aims to provide significant insights to the film tenacity, the influence of the molecular structure as well as the film stability in the absence of inhibitors to provide a deeper understanding of the film forming and film breakdown mechanisms.

154p runthenight04 02-02-2023 13 2   Download

The purpose of this research was to investigate the technological feasibility of biological filtration process for Mn control in Lorne WTP. This thesis consists of eight chapters. Project background and research objectives are described in Chapter 1. Chapter 2 presents an extensive literature review covering the nature of manganese, manganese analytical methods, manganese control methods, the nature of MOB and biological control of Mn in drinking water treatment. The materials and methods used throughout the experimental investigation for this study are described in Chapter 3.

119p runthenight04 02-02-2023 7 3   Download

The purpose of the thesis is to synthesize the effective catalysts based on Pt/SBA-15 modifed with Al and/or B and their applicability in n-heptane hydroisomerization, tetralin hydrogenation and paracetamol detection.

129p closefriend04 17-10-2021 17 4   Download

The research objectives of the thesis: Research to isolate, determine chemical structure and probe the biological activity of chemical components in apple and Docynia indica fruits; Research to optimize the extraction technology process to create products from Docynia indica fruits

27p extraenglish 24-05-2021 29 4   Download

The purpose of the thesis is to develop the novel and more effective strategies to furnish fluorine containing compounds employing readily, inexpensive and effective methods under heterogeneous transition metal catalysts.

29p extraenglish 26-05-2021 9 3   Download

Đề tài sử dụng các phương pháp phân tích thích hợp để thu nhận các hoạt chất sinh học từ hai loại cây Hy thiêm và Bòn bọt, sau khi tiến hành phân tách các hỗn hợp polyphenol và tecpenoit để phân lập các hợp chất tinh khiết và khảo sát các hợp chất nhận được trên các phương diện như hoạt tính sinh học, hoạt tính kháng vi sinh vật, khả năng chống oxy hoá In vitro.

120p capheviahe28 01-03-2021 37 4   Download

Research to isolate, determine chemical structure and probe the biological activity of chemical components in apple and Docynia indica fruits; Research to optimize the extraction technology process to create products from Docynia indica fruits.

27p capheviahe27 23-02-2021 47 4   Download

Develop the process of producing crude extracts, fractions and pure chemical compounds isolated from E. fortunei; tudy of inhibitory effect of the crude ethanol extracts from E. fortunei on the growth of M.aeruginosa and evaluating their ecological safety to non-target aquatic organisms.

28p larachdumlanat129 20-01-2021 34 3   Download

This dissertation focuses on establishing the process of manufacturing bimetallic Fe / Cu internal electrolysis nanomaterial, thereby studying some characteristics correlation between corrosive line and TNT decomposition kinetics and time. Setting and optimizing the internal electrolysis process by bimetal Fe / Cu nanomaterials combined with biological method A2O-MBBR (moving bed Biological reactor) to treat TNT wastewater at laboratory scale and Pilot scale at the scene.

27p larachdumlanat129 20-01-2021 21 3   Download

In this paper, as well as its use in the engineering studies at EDF. To begin with, the code structure is described, including the physical, chemical and transport phenomena considered for the simulation of the mechanisms regarding PWR contamination.

5p christabelhuynh 30-05-2020 15 1   Download

This study synthesizes the use of chemicals to prevent one of common concrete durability problems, alkali-silica reaction (ASR), and can help researchers (i) identify widely used potential chemicals and evaluate these chemical solutions to prevent ASR with proper understanding of mechanisms, and (ii) to identify the research gaps in order to develop guidelines and implementation plan on the use of these chemicals for future research.

8p tohitohi 19-05-2020 23 1   Download

Mục tiêu bài học nhằm giúp sinh viên hiểu rõ về mô phỏng và mô phỏng trong công nghệ hóa học, các phần mềm mô phỏng hiện nay, biết cách sử dụng phần mềm Hysys/Unisim, sử dụng Hysy.

42p lemanh1561994 22-08-2015 94 15   Download

Pyrolysis of activated sewage sludge was investigated under inert conditions in a fluidised-bed to study the effects of temperature and gas residence time on the product distribution and composition with an aim to maximise the oil yield.

8p tuananhhumg 04-11-2013 77 5   Download

Division of Medicinal and Natural Products Chemistry, Department of Chemistry and Department of Chemical Engineering, University of Iowa, USA; 2Department of Autoimmunology, Statens Serum Institut, Copenhagen, Denmark Synthetic peptides based on amino-acid residues 27–38 of human serum amyloid P component represent a novel type of heparin binders as they do not contain clusters of basic amino acids or other known features associated with protein or peptide heparin binding.

8p system191 01-06-2013 54 4   Download

Cytochrome c is widely distributed in bacterial species, from mesophiles to thermophiles, and is one of the best-characterized redox proteins in terms of biogenesis, folding, structure, function, and evolution. Experimental molecular biology techniques (gene cloning and expression) have become applicable to cytochrome c, enabling its engineering and manipulation. Heterologous expression systems for cytochromes c in bacteria, for use in mutagenesis studies, have been established by extensive investigation of the biological process by which the functional structure is formed. ...

7p research12 01-06-2013 35 3   Download

Fibritin is a segmented coiled-coil homotrimer of the 486-residue product of phage T4 gene wac. This protein attaches to a phage particle by the N-terminal region and ˚ forms fibrous whiskers of 530 A, which perform a chaperone function during virus assembly. The short C-terminal region has a b-annulus-like structure. We engineered a set of fibritin deletion mutants sequentially truncated from the N-termini, and the mutants were studied by differential scanning calorimetry (DSC) and CD measurements....

9p research12 01-06-2013 42 3   Download

Human interleukin-11 (hIL-11) is a pleiotropic cytokine that is involved in numerous biological activities such as hematopoiesis, osteoclastogenesis, neurogenesis and female fertility. IL-11 is obviously a key reagent to study the IL-11 receptors. However, conventional radio-iodination techni-ques lead to a loss of IL-11 bioactivity. Here, we report the construction and the production of a new recombinant human IL-11 (FPDIL-11). In this molecule, a speci®c phosphorylation site (RRASVA) has been introduced at the N-terminus of rhIL-11. ...

8p research12 29-04-2013 31 4   Download

The envelope protein gp64 of the baculovirusAutographa californicanuclear polyhedrosis virus is essential for viral entry into insect cells, as the glycoprotein bothmediates pH-dependentmembrane fusionandbinds tohost cell receptors. Surface modification of baculovirus particles by genetic engineering of gp64 has been demonstrated by various strategies and thus has become an important and powerful tool in molecular biology.

10p research12 23-04-2013 28 2   Download