Potential Environmental Impact PEI Assessment of Solvent Recovery

Agenda 1. Introducing Equinox 2. The importance of solvents 3. Process design of Solvent

EQUINOX Improving process and plants performance globally Through IT-catalyzed Chemical Engineering © 2013 Equinox.

Our Mantra “…Gain better “process” understanding to “process” better Gains…” © 2013 Equinox. All

A New Kind Of Process Company § Model Based Process Consulting, Process IT Solutions

Now in its 7 th year… Incorporated in 2005 Operational in 2007 Clocked a

Importance of Solvents § Why solvents are needed: – – Solubilizing the reactants Facilitate

Process Design Challenges § Binary solvent mixtures are a rare occurrence – multi-component systems

Process Design - Engineering Practices Methodologies followed in Industries for design of solvent recovery

Process Design - Engineering Practices MAXSOL – The complete science driven product/Application to maximize

Design of Solvent Recovery Systems § The Green/Environment Aspect: The Environment Impact Assessment (EIA)

EIA - Waste Reduction Algorithm § What is Waste Reduction Algorithm (WAR): – Algorithm

EIA - Waste Reduction Algorithm § PEI categories considered in the Waste Reduction Algorithm

EIA - Waste Reduction Algorithm PEI Analysis Envelope MASS Waste Energy PEIout Energy Generation

EIA - Waste Reduction Algorithm § A case study is discussed here to highlight

New Design - Option 1 Waste Reuse © 2013 Equinox. All rights reserved |

New Design - Option 2 Reuse Waste Reuse © 2013 Equinox. All rights reserved

PEI Analysis Using WAR § External Environment Efficiency of the process • The contribution

PEI Analysis Using WAR § External Environment Efficiency of the process § Rate per

PEI Analysis Using WAR § Internal Environment Efficiency of the process § Total rate

PEI Analysis Using WAR § Internal Environment Efficiency of the process § Generation per

PEI Analysis Using WAR § PEI Generation - Energy Usage § Environmental Energy efficiency

Key Take-Aways § Simple and technically sound assessment of environmental impact of process design

Contact Information Contact: Phone: Email: Website: Dr. Sanjiv Bachal +91 -20 -41020122 sanjiv. bachal@equinoxweb.

© 2013 Equinox. All rights reserved | 27

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Potential Environmental Impact (PEI) Assessment of Solvent Recovery System Using Waste Reduction Algorithm (WAR) Sanjiv Bachal & Alok Pandit Equinox Software & Services Private Limited Dec 2013 © 2013 Equinox. All rights reserved | 1

Agenda 1. Introducing Equinox 2. The importance of solvents 3. Process design of Solvent Recovery system 4. Waste Reduction Algorithm (WAR) 5. Case studies 6. Conclusion 7. Vote of Thanks © 2013 Equinox. All rights reserved 2 | 2

A New Kind Of Process Company § Model Based Process Consulting, Process IT Solutions & Services § Among the largest # Software platform independent companies in its chosen business areas for CPI/HPI/Pharma Broad Base of Customers § India based company in active business since 2007 § Successful Delivery of 100+ projects § 50+ customers in 10 countries in 3 continents § Novel Application Solutions deployed thru internal R&D § Profitable growth, based on internal funds © 2013 Equinox. All rights reserved | 5

Now in its 7 th year… Incorporated in 2005 Operational in 2007 Clocked a CAGR of 60% over last five years Global customers in UAE, Malaysia, Qatar, Saudi Arabia, Italy, India, USA, Thailand, Netherlands Member – NASSCOM, FICCI, MCCIA Consistent repeat business – A sign of customer’s trust. Delivered 100, 000+ Hours of Consulting in last 18 months Strategic Alliances with world leaders – FRI and OLI © 2013 Equinox. All rights reserved | 6

Importance of Solvents § Why solvents are needed: – – Solubilizing the reactants Facilitate reaction Facilitate heat transfer/control Purification § Solvents constitute typically 80 -90 wt% of the process mass § Contribute about 15 -25 % to the cost of manufacturing of Active ingredient § Number of solvents used in an API unit could be anywhere in the range of 10 -50 § Number of used solvent streams could be > 100 © 2013 Equinox. All rights reserved | 8

Process Design Challenges § Binary solvent mixtures are a rare occurrence – multi-component systems are common § Multi-step separation processes with multiple permutations and combinations of distillation train © 2013 Equinox. All rights reserved | 9

Process Design - Engineering Practices Methodologies followed in Industries for design of solvent recovery system: § Experience/Operation wisdom § Consultants § Commercial Simulators § etc © 2013 Equinox. All rights reserved | 10

Process Design - Engineering Practices MAXSOL – The complete science driven product/Application to maximize solvent recovery Considers various aspects in process Designing: § § Thermodynamics Operation Hardware Economics § Environment © 2013 Equinox. All rights reserved | 11

EIA - Waste Reduction Algorithm § What is Waste Reduction Algorithm (WAR): – Algorithm developed by US EPA to evaluate environmental impacts of process design § How it works – By evaluating processes in terms of their potential environment impacts (PEI) § What is PEI – Effect a chemical would have on the environment if it were simply emitted into the environment © 2013 Equinox. All rights reserved | 13

EIA - Waste Reduction Algorithm § PEI categories considered in the Waste Reduction Algorithm (WAR): – Toxicological § § Human Toxicity Potential by Ingestion (HTPI) Human Toxicity Potential by Exposure (HTPE) Aquatic Toxicity Potential (ATP) Terrestrial Toxicity Potential (TTP) – Global § Global Warming Potential (GWP) § Ozone Depletion Potential (ODP) § Photochemical oxidation or Smog Formation Potential (PCOP) § Acidification or Acid-Rain Potential (AP) © 2013 Equinox. All rights reserved | 14

EIA - Waste Reduction Algorithm § A case study is discussed here to highlight the application of WAR algorithm to understand the PEI of various design alternatives for an actual solvent mixture separation § MDC – THF – Water System © 2013 Equinox. All rights reserved | 17

PEI Analysis Using WAR § External Environment Efficiency of the process • The contribution due to § Total Rate PCOP is predominant in both the options • Option 2 PEI is marginally better due to lower contribution of PCOP category © 2013 Equinox. All rights reserved | 20

PEI Analysis Using WAR § External Environment Efficiency of the process § Rate per kg of product • Option 1 shows a better performance per kg of product – Option 1 has higher product yield compared to Option 2 © 2013 Equinox. All rights reserved | 21

Key Take-Aways § Simple and technically sound assessment of environmental impact of process design alternatives § Equinox has developed MAXSOL with proven track record to handle new design and revamp of solvent recovery system © 2013 Equinox. All rights reserved | 25