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- #2921783Seeking operators for ethylene glycol plants (Selected questions from the petrochemical section of the ** vocational ski
- #2923949What is the order of fluoride, chlorine, bromine, iodide ions and hydroxide in terms of their tendency to be adsorbed by
- #3062923【Daily Question】Theoretical Foundation 2020.08.04 - HCBBS Forum
- #3063105The current at the outlet when starting the magnetic pump is normal, but there is an overcurrent at the outlet. What cou
- #2930715The difference between water/H2O/steam in PROII - HCBBS Forum
- #3063169How to understand alkali embrittlement? - HCBBS Forum
- #3063386Mechanical failure modes (summary) - HCBBS Forum
- #2931465Operating flow rate value of the outlet flow pipeline of the reactor - HCBBS Forum
- #3063607【Daily Question】Theoretical Foundation 2020.08.05 - HCBBS Forum
- #2931727Preparation of hydrogen peroxide working solution by the anthraquinone method - HCBBS Forum
- #3064361【Daily Question】Theoretical Foundation 2020.08.06 - HCBBS Forum
- #2933224Regarding the flow velocity of the liquid in the pipe - HCBBS Forum
- #3064612Decomposition of 2-nitrobutane or other reaction principles - HCBBS Forum
- #2933295Reasons for maintaining vacuum during intermittent reduced-pressure distillation - HCBBS Forum
- #3064879【Daily Question】Theoretical Foundation 2020.08.07 - HCBBS Forum
- #3065156Which protective equipment should you choose for working in different chemical processing environments - HCBBS Forum
- #2934358【Daily Question】Theoretical Foundation 2020.03.13 - HCBBS Forum
- #2766875【Daily Question】Theoretical Foundation 2019.8.17 - HCBBS Forum
- #2934528Can rust burn in pure oxygen? - HCBBS Forum
- #3065313In-depth analysis of the “potential-pH diagram” (i.e., Pourbaix diagram) – Summary - HCBBS Forum
- #2767001【Daily Question】Theoretical Foundation 2019.8.18 - HCBBS Forum
- #2936438I’m seeking help from someone skilled in MATLAB and in chemical engineering to check whether there are any issues with t
- #2767017Relationship between evaporator evaporation rate and heat transfer area - HCBBS Forum
- #2937075What is the pressure caused by the expansion of a liquid as temperature rises? - HCBBS Forum
- #3065801Help me download a document on material properties - HCBBS Forum
- #2767094【Daily Question】Theoretical Foundation 2019.8.19 - HCBBS Forum
- #3066371【Daily Question】Theoretical Foundation 2020.08.10 - HCBBS Forum
- #2767555The average molecular weight of a gas mixture can vary significantly when calculated using different methods - HCBBS For
- #2937767Must the steam at the outlet of an MVR steam compressor be superheated? - HCBBS Forum
- #3066554Over 137 deaths in Lebanese explosion; our country to carry out special inspections and rectifications regarding the saf
- #2767737【Daily Question】Theoretical Foundation 2019.8.20 - HCBBS Forum
- #3066570Over 2,700 tons of phosgene caused injuries to more than 5,000 people – how can hazardous chemicals be stored properly?
- #2768474【Daily Question】Theoretical Foundation 2019.8.21 - HCBBS Forum
- #2940285Calculation of sensible heat and latent heat in flue gas before and after desulfurization - HCBBS Forum
- #3066933【Daily Question】Theoretical Foundation 2020.08.11 - HCBBS Forum
- #2940455The issues of sensible heat of dry flue gas, sensible heat of water vapor, and latent heat of water vapor - HCBBS Forum
- #3067503【Daily Question】Theoretical Foundation 2020.08.12 - HCBBS Forum
- #2768803Valve failure in the instrument air piping network - HCBBS Forum
- #2941702Discussion on factors affecting oil quality indicators — What affects the odor of oil? - HCBBS Forum
- #3068170Could some expert help me figure out this issue regarding the conversion values of smoke emissions? Thank you!! - HCBBS
- #2769100【Daily Question】Theoretical Foundation 2019.8.22 - HCBBS Forum
- #2941749【Daily Question】Theoretical Foundation 2020.03.21 - HCBBS Forum
- #3068174【Daily Question】Theoretical Foundation 2020.08.13 - HCBBS Forum
- #2769180Ask a question about the packing ratio - HCBBS Forum
- #3068176On the azeotrope temperature of propionaldehyde and water - HCBBS Forum
- #2769598【Daily Question】Theoretical Foundation 2019.8.23 - HCBBS Forum
- #2942243Evaporator process design calculations - HCBBS Forum
- #3068177Sharing Principles of Chemical Engineering, 3rd Edition, edited by Chai Chengjing and Jia Shaoyi - HCBBS Forum
- #2770301【Daily Question】Theoretical Foundation 2019.8.24 - HCBBS Forum
- #2944061Propane washing - HCBBS Forum
- #3068502Seeking help with the MSDS database - HCBBS Forum
- #2770302【Daily Question】Theoretical Foundation 2019.8.25 - HCBBS Forum
- #2945031Professional treatment of waste salts - HCBBS Forum
- #3068906【Daily Question】Theoretical Foundation 2020.08.14 - HCBBS Forum
- #2770652【Daily Question】Theoretical Foundation 2019.8.26 - HCBBS Forum
- #2945278What is 1w/(m.k) in kj/(m.h.c)? - HCBBS Forum
- #2771160【Daily Question】Theoretical Foundation 2019.8.27 - HCBBS Forum
- #2945291Seek help regarding the gas property coefficient at 0.231 MPa - HCBBS Forum
- #2771195Gas sampling and analysis for hot work - HCBBS Forum
- #2945363【Daily Question】Theoretical Foundation 2020.03.29 - HCBBS Forum
- #3070073【Daily Question】Theoretical Foundation 2020.08.15 - HCBBS Forum
- #2771196Questions about dew point temperature - HCBBS Forum
- #3070074【Daily Question】Theoretical Foundation 2020.08.16 - HCBBS Forum
- #2771399In clause 7.2.7 of the petrochemical fire protection codes, regarding utility pipelines and pipelines for flammable gase
- #2945969Engineering liaison form during the design phase - HCBBS Forum
- #3070405【Daily Question】Theoretical Foundation 2020.08.17 - HCBBS Forum
- #2771748【Daily Question】Theoretical Foundation 2019.8.28 - HCBBS Forum
- #2948268Seeking advice on voltage division issues - HCBBS Forum
- #2772461【Daily Question】Theoretical Foundation 2019.8.29 - HCBBS Forum
- #2948400Temperature rise detection for equipment insulation - HCBBS Forum
- #3071045【Daily Question】Theoretical Foundation 2020.08.18 - HCBBS Forum
- #2949603How to calculate the temperature drop after gas pressure reduction - HCBBS Forum
- #3072347【Daily Question】Theoretical Foundation 2020.08.20 - HCBBS Forum
- #2772956【Daily Question】Theoretical Foundation 2019.8.30 - HCBBS Forum
- #2949906Rated power and shaft power of the pump - HCBBS Forum
- #2773416【Daily Question】Theoretical Foundation 2019.8.31 - HCBBS Forum
- #3072378Why is the optimal temperature a point rather than a line - HCBBS Forum
- #2774000【Daily Question】Theoretical Foundation 2019.9.1 - HCBBS Forum
- #2950950Issues regarding the welding of the bottom and top plates of the square-shaped container type E - HCBBS Forum
- #2774206【Daily Question】Theoretical Foundation 2019.9.2 - HCBBS Forum
- #2952737How to determine heat exchanger property data - HCBBS Forum
- #3072984【Daily Question】Theoretical Foundation 2020.08.21 - HCBBS Forum
- #2774646Calculation of three-component gas distillation - HCBBS Forum
- #2952982Flash point - HCBBS Forum
- #3073681【Daily Question】Theoretical Foundation 2020.08.22 - HCBBS Forum
- #2774770Seeking help regarding the activation of Autodesk Navisworks Manage software - HCBBS Forum
- #2953240Reasons for the high ash conversion rate of coal fed into the furnace - HCBBS Forum
- #3073993Talking about density functional theory - HCBBS Forum
- #2775005【Daily Question】Theoretical Foundation 2019.9.3 - HCBBS Forum
- #2953541【Help Request】Process design calculations for polyvinyl alcohol and CAD drawings (required for undergraduate project) -
- #3074097How to optimize molecular structure, taking the benzene molecule C6H6 as an example. - HCBBS Forum
- #2775056On the feasibility of introducing steam from below the jacket - HCBBS Forum
- #3074130【Daily Question】Theoretical Foundation 2020.08.23 - HCBBS Forum
- #2775371Problems with slides for oil-filled transformers - HCBBS Forum
- #3074404【Daily Question】Theoretical Foundation 2020.08.24 - HCBBS Forum
- #2775694【Daily Question】Theoretical Foundation 2019.9.4 - HCBBS Forum
- #2954220Common installation methods for Tianyu purification dust removal filter cartridges - HCBBS Forum
- #2776415【Daily Question】Theoretical Foundation 2019.9.5 - HCBBS Forum
- #2955059The piston-type nitrogen compressor does not have sufficient capacity - HCBBS Forum
- #3074550What to do in the event of an explosion involving hazardous chemicals? Read this to learn self-rescue methods! - HCBBS