Fermentation Solvent Recovery
Recovery of ethanol, IPA and methanol from fermentation broth off-gas, condensate and extraction steps for reuse.
Industries:
Fermentation
Solvent Recovery
Bioprocess
99.5%+
Purity
0.3–3 t/h
Capacity
≥98–99%
Recovery
Biopharmaceutical Distillation Challenges You’re Facing
In biopharma, solvent purity isn't just about efficiency—it's about patient safety and regulatory compliance.
Ultra-High Purity Requirements
Ethanol for protein precipitation must keep aldehydes below ~10 ppm to avoid protein denaturation.
Impact: Risk of batch failure and compromised drug efficacy.
Heat-Sensitive Impurities
Conventional distillation can oxidize ethanol and other solvents into impurities like acetaldehyde under high heat.
Impact: Toxic by-products that are hard to remove downstream.
Strict Regulatory Compliance
Solvent recovery units must meet FDA/EMA, with hygienic design, CIP/SIP and 21 CFR Part 11 data integrity.
Impact: Non-compliance leads to audit findings and production stops.
Genotoxic Impurities
Chlorinated solvents such as DCM must be stripped of acidic and genotoxic residues to meet ICH Q3C limits.
Impact: Patient-safety concerns and release-testing failures.
Safety with Hazardous Solvents
THF can form explosive peroxides and acetone is highly flammable in open or batch operations.
Impact: Severe process-safety risks for operators and assets.
Supply Chain Vulnerability
Relying on external high-purity solvent suppliers increases exposure to lead-time, quality and price volatility.
Impact: Production delays and higher inventory and procurement cost.
The Cost of Inefficient Processing
Impurity Risk
Aldehydes and peroxides compromise final drug safety.
Audit Failures
Non-compliant equipment risks regulatory warning letters.
High Disposal Costs
Incinerating waste solvents burns potential profits.
The VHPS Advantage: Hypergravity + Heat Pump
A revolutionary "Five-in-One" synergy of High Gravity (HiGee), Energy Looping, and Intelligent Control.
Hypergravity Separation
Generates a centrifugal force field 100s of times stronger than gravity, creating micro-droplets and ultra-thin liquid films.
Increases mass transfer rate by 1-3 orders of magnitude.
Optimized Heat Pump Integration
Upgrades latent heat from overhead vapor to drive the reboiler, recycling thermal energy within the system.
Reduces energy consumption by 40-60% compared to conventional columns
Compact & Anti-Clogging Design
Wide flow channels combined with high shear force prevent fouling from tars and solids.
Reduces equipment volume by up to 90% (1/10th size of towers).
Technical Specifications
Capacity Range
0.3 – 3 t/h
Product purity
up to ≥99.5%
Solvent recovery rate
≥98–99%
Temperature Range
typically 40–140°C
Operating Pressure
typically 50–500 mbar
Typical services
Fermentation, API, chromatography, solvent dehydration and wastewater concentration.
Typical solvents
ethanol, IPA, methanol, acetone, acetonitrile, DMSO, DMF, NMP
Performance Comparison
Proven Biopharmaceutical Applications
From vaccine production to peptide synthesis, VHPS delivers validated purity.
API & Intermediate Solvents
Closed-loop recovery of acetonitrile, DMSO, DMF and NMP from API synthesis and work-up streams.
Industries:
APIs
Intermediates
Solvent Loops
99.0–99.5%+
Purity
0.3–3 t/h
Impurities
30–50%
Energy Savings
Chromatography Solvent Recycling
Recycling of ethanol, methanol and acetonitrile from chromatography eluents and gradient streams.
Industries:
Chromatography
Eluents
Recycling
≥99.5%
Solvent Purity
0.3–2 t/h
Capacity
≥98%
Recovery
Aqueous Solvent Dehydration
Dehydration of ethanol–water, IPA–water and acetonitrile–water mixtures to reach low water specifications or near-azeotropic quality.
Industries:
Dehydration
Azeotropes
Solvent Conditioning
Low
Water Content
0.3–3 t/h
Capacity
30–50%
Energy Savings
Cleaning Solutions & Side Streams
Concentration of solvent-rich cleaning solutions and process side streams to recover organics and reduce COD.
Industries:
Cleaning
Side Streams
Waste Reduction
30–50%
COD Reduction
0.3–3 t/h
Capacity
Lower
Disposal Cost
High-COD Wastewater Pretreatment
Pretreatment of biopharma wastewater containing alcohols, ketones and polar solvents before biological treatment.
Industries:
Wastewater
Utilities
Pretreatment
Reduced Solvent
WWTP
0.3–3 t/h
Capacity
20–40%
OPEX Savings
Typical Biopharmaceutical Solvents & Streams
Beyond the application cards above, VHPS can be configured for a wide range of biopharma solvents and process streams.
Solvent / Stream | Typical Source in Biopharma | Key Issues / Pollutants | VHPS Treatment Goal | Example Performance |
Ethanol (pharma / injectable grade) | Protein / mAb precipitation, vaccine formulation | Aldehydes, water, bioburden / endotoxin | Recover to high-purity ethanol with low aldehydes and moisture | Ethanol ≥ 99.5%; aldehydes ≤ 10 ppm; water controlled |
Cell-culture grade DMSO | Cell freezing, gene delivery, cryopreservation | Water, dissolved metals, cytotoxic degradation products | Deep dehydration and impurity removal for cell-culture grade | DMSO ≥ 99.95%; metals ≤ 1 ppm; water ≤ 50 ppm |
Acetone | Membrane protein extraction, dehydration steps | Peroxides, moisture, color bodies | Regenerate acetone for reuse, control peroxides and moisture | Acetone ≥ 99.8%; peroxides “Not detected”; low water |
THF (peroxide-forming) | Peptide synthesis, polymer drug carriers | Peroxide formation, water, safety risk | Provide anhydrous, low-peroxide THF under inert conditions | THF ≥ 99.8%; water ≤ 200 ppm; peroxides ≤ 5 ppm |
Ethyl acetate | API extraction and purification | Hydrolysis to acid, moisture pickup | Maintain high purity, low acid value and stable API quality | Ethyl acetate ≥ 99.7%; acid ≤ 50 ppm |
DCM (dichloromethane) | Intermediate purification, reaction work-up | Acidic/genotoxic residues, color | Remove acidic and genotoxic impurities to meet ICH Q3C limits | DCM ≥ 99.5%; low acid value; ICH-compliant impurity profile |
IPA / methanol cleaning solvents | Equipment / column cleaning, CIP side streams | High COD, water content, mixed contaminants | Recover reusable solvent, reduce COD load to wastewater system | Solvent recovery ≥ 95–99%; COD reduction 30–60% |
High-COD mother liquors & side streams | Fermentation, purification, chromatography waste | Solvents + organic load, color, high COD | Concentrate organics, recover solvents, reduce COD and volume | Volume reduction 50–80%; COD reduction 30–60% |
High-salt / buffer-rich process liquids | Chromatography, buffer exchange, downstream processing | High salt/buffer, water load, large volumes | Concentrate streams, reduce water for reuse or ZLD preparation | Volume reduction 50–70%; suitable feed for polishing / ZLD |
System Configuration & Compliance
Engineered systems designed for methanol handling with full EU compliance and safety standards.
VHPS-HGD-1000
0.5-1.0 t/h
Methanol capacity
Footprint:
8-12 m²
Height:
6.5 m
Power:
45-65 kW
Typical Applications:
Lab scale
Pilot production
Small batch
VHPS-HGD-2500
1.5-2.5 t/h
Methanol capacity
Footprint:
12-16 m²
Height:
7.2 m
Power:
85-120 kW
Typical Applications:
Medium production
API synthesis
Fine chemicals
VHPS-HGD-5000
3.0-5.0 t/h
Methanol capacity
Footprint:
16-22 m²
Height:
8.0 m
Power:
150-220 kW
Typical Applications:
Large scale
Biodiesel
Continuous operation
Installation & Commissioning
Engineering
Detailed engineering package with P&IDs, equipment specifications, and installation drawings.
Delivery
Skid-mounted delivery with pre-assembled components and factory testing completed.
Installation
On-site installation supervision with utility connections and safety system verification.
Commissioning
Performance testing, operator training, and performance guarantee validation.
In Our Partners' Words
Discover why industry leaders trust us to solve their most complex separation challenges.
Applications
FAQs
Yes. VHPS systems for biopharma can be supplied with 316L, hygienic piping, CIP/SIP options and documentation to support cGMP, IQ/OQ and regulatory inspections.
Yes. VHPS hypergravity distillation operates with short residence times and controlled temperatures, making it suitable for heat-sensitive solvents (like DMSO, DMF, acetonitrile) and processes where product stability is critical.
In typical fermentation solvent recovery, API solvent loops and aqueous solvent dehydration, VHPS delivers around 30–50% lower energy consumption compared with conventional columns or multi-effect evaporation.
VHPS is installed as a compact skid connected to fermentation condensers, chromatography solvent tanks or API work-up units. Feed and product tie-ins are kept simple, so you can boost solvent recovery and reduce wastewater load with minimal impact on your existing process.
