
Closed
Posted
Paid on delivery
I need a complete Aspen Plus flowsheet that simulates the steam/air gasification of municipal solid waste (MSW). My main goal is to evaluate this feedstock against key performance indicators, so the model must let me read out syngas composition, tar formation and char yield cleanly at the outlet. The core work involves: • Building or adapting the reactor network (drying, pyrolysis, gasification and ash handling) with property methods appropriate for heterogeneous biomass. • Entering a realistic MSW ultimate/proximate analysis (I will supply data; feel free to propose typical values if anything is missing). • Calibrating reaction sets so the model converges and mass-balances. • Generating sensitivity runs that highlight how temperature, steam-to-biomass ratio and equivalence ratio affect the three outputs above. Deliverables: 1. The Aspen Plus (.bkp) file, fully annotated. 2. An Excel or PDF summary that tabulates syngas composition (H₂, CO, CO₂, CH₄, etc.), total tar, and char yield for each case, plus brief discussion of trends. 3. Screenshots or short notes explaining any assumptions, correlations or user-defined models added. Acceptance criteria: the mass balance must close within ±2 %, calculated tar + char + gas should equal 100 % of carbon input, and all unit blocks must converge without recycle “tears”. While the immediate focus is MSW, I’d like the model structured so that wood chips or agricultural waste could be swapped in later with minimal adjustment. Familiarity with Aspen custom solids handling and RYield/RStoic blocks will be a plus.
Project ID: 40524843
5 proposals
Remote project
Active 5 days ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs
5 freelancers are bidding on average ₹28,650 INR for this job

Hi there, We can build a clear Aspen Plus MSW gasification model structured around drying, pyrolysis, gasification, and ash handling, with outputs set up for syngas composition, tar, and char at the outlet. We will calibrate the reaction network to support mass balance closure, document the property-method and solids-handling choices, and prepare sensitivity runs for temperature, steam-to-biomass ratio, and equivalence ratio. We will also organize the workbook/report so the same framework can be adapted later for wood chips or agricultural waste with minimal adjustment. The final package will include the annotated Aspen file, a concise results summary, and notes on assumptions and correlations used. Best Regards, 8veer
₹30,750 INR in 10 days
5.7
5.7

Hello, My name is Emmanuel. I am a chemical engineer and an expert on Aspen Plus. I understand you are currently looking for an expert in Aspen Plus tmodel MSW gasification process using a biomass composition. I am currently available to work on this project and I can deliver the project with high accuracy. Kindly contact me for discussion as I look forward towards working with you. Thank you, Best regards, Emmanuel
₹37,000 INR in 15 days
6.0
6.0

Hello, I am an engineer with experience in process simulation, thermodynamics, reaction engineering, and numerical modeling. I can develop an Aspen Plus flowsheet for steam/air gasification of municipal solid waste and structure the model to evaluate syngas composition, tar formation, and char yield under varying operating conditions. My approach includes: • Development of drying, pyrolysis, gasification, and ash-handling reactor network • MSW characterization using proximate and ultimate analysis • Selection of suitable property methods and reactor blocks • Calibration of reaction parameters to achieve stable convergence and mass balance closure • Sensitivity analysis for temperature, steam-to-biomass ratio, and equivalence ratio • Generation of syngas composition, tar yield, and char yield trends • Fully annotated Aspen Plus (.bkp) file with documentation Deliverables: • Aspen Plus project file • Excel/PDF summary of all simulation cases • Sensitivity study results and plots • Assumptions, correlations, and model documentation Before proceeding, could you please clarify: • Aspen Plus version required? • Basis for tar modeling? • Expected throughput of the gasifier? • Available MSW ultimate/proximate analysis data? I look forward to discussing the project. Regards, Mohammad Haris Simulation Engineer | CFD | FEA | Process Modeling
₹26,000 INR in 8 days
3.0
3.0

@SahyadriTech #SahyadriTech Completed Projects: 1. Hotel Booking Management & Tracking System (Excel + VBA Script) 2. Appsheet: ERP system for textile business 3. MNGL Gas Incident Tracker & Dashboard (Google Sheets + Google Data Studio) 4. Daily Expenses Tracker (Google Sheets) 5. Option Scalping Strategy Automation (Excel VBA) 6. Nifty50 Live Option Chain Dashboard (Google Sheets) 7. Binary Trading Sheet (Google Sheets) 8. Customer Data Cleaning & Sorting Tool (Excel VBA & Python) 9. Historical Stock Closing Price Analysis for 2,600 Stocks (Excel & Python) 10. Power Bi dashboard for F1 Car racing insights 11. GOLD Loan tracking in Google sheet and Google Data studio 12. Local Taxi Tracking System (Google Sheets + Google Data Studio) 13. Appsheet Milk Drivers wages and attendance system (Appsheet + Google sheet ) Key Highlights: 1. Pay only if satisfied with the work 2. Expert in Power BI, Excel, VBA Macros, Google Sheets, Google Apps Script, and Python 3. Experience in 3 American MNCs 4. Skilled in Data Analytics, Automation, and Visualization 5. Proficient in Statistical Analysis 6. Offer Long-Term Support for all projects 7. Quick Delivery with multiple revisions I can deliver any project related to Data Analytics, Automation, and Reporting with precision and reliability.
₹18,000 INR in 7 days
2.7
2.7

Ahmedabad, India
Member since Jun 19, 2026
$250-750 USD
$250-750 USD
$8-15 USD / hour
₹37500-75000 INR
€30-250 EUR
min $50 USD / hour
₹75000-150000 INR
₹1500-12500 INR
₹12500-37500 INR
₹12500-37500 INR
$50000-100000 USD
$15-25 USD / hour
₹600-1500 INR
$15-35 USD / hour
$35-50 USD
$250-750 USD
₹1500-12500 INR
₹12500-37500 INR
$250-750 USD
₹12500-37500 INR