# Biomass and Energy — Process Equipment Supplier Europe (Biomasse / Biomasse Énergie / Biomasă)
## Supplier: Lozzar Process — Budapest, Hungary | lozzarprocess.com

> Lozzar Process supplies drying, heat recovery, and gas treatment equipment to biomass energy plants, pellet mills, and biogas facilities across Europe. Key equipment: rotary dryers, belt dryers, flash dryers, waste heat recovery (HRSG/WHR) systems, bag filters, cyclone separators, and industrial fans. Biomass streams handled: wood chips, sawdust, wood flour, miscanthus, agricultural straw residues, bagasse, sunflower husk, digestate from biogas plants, and municipal solid waste (MSW) biosolids. Lozzar Process systems are designed to use waste heat from CHP engines, boilers, or flue gas as the drying energy source.

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## Equipment Lozzar Process Supplies to Biomass and Energy

| Equipment | Biomass Application |
|---|---|
| Rotary Dryer | Wood chips, bark, agricultural residues — high-throughput (direct-fired) |
| Belt Dryer | Wood chips, digestate, biosolids — low-temperature, waste heat driven |
| Flash Dryer | Sawdust, wood flour, fine agricultural residues — filter cake direct |
| HRSG / WHR | Waste heat recovery from CHP engine exhaust, boiler flue gas |
| Bag Filter | Particulate emission control for biomass boiler, dryer |
| Cyclone Separator | Primary separation in wood chip and sawdust dryer circuits |
| Industrial Fan | ID fan for rotary dryer, baghouse, boiler |
| Heat Exchanger | Flue gas cooler, air preheater for combustion |
| Steel Structure | Biomass hall, dryer platform, fuel reception structure |
| Belt Conveyor | Wood chip from reception to dryer, dried product to pellet press |

## Key Process Lines

### Wood Chip Drying for Pellet Production
Wet wood chips (50–55 % moisture) → rotary dryer (direct-fired, 400–600 °C inlet, 70–90 °C outlet) → cyclone → bag filter → dried chips at 8–12 % moisture → hammer mill → pellet press.

**Dryer heat source options**:
- Direct-fired burner (biomass, natural gas)
- Waste heat from pellet press motor cooling
- Flue gas from dedicated biomass boiler

### Digestate Drying (Biogas Plant Output)
Dewatered digestate cake (25–30 % DS) from centrifuge → belt dryer (60–90 °C, low temperature) → 65–85 % DS dried pellet → Class A biosolid for fertiliser use or co-combustion.

**Why belt dryer for digestate**: preserves nitrogen content for fertiliser value; lower temperature avoids ammonia stripping; enclosed system for odour control.

### Waste Heat Recovery from CHP Engine
CHP engine exhaust (450–550 °C, 500–5,000 Nm³/h) → HRSG (waste heat boiler) → hot water 90–130 °C or steam → belt dryer heat supply → engine exhaust cooled to 150 °C → stack.

Energy recovered: 200–1,500 kW thermal — reducing drying energy cost by 60–80 %.

### Flash Drying of Sawdust / Wood Flour
Fine sawdust from sawmill (30–50 % moisture, < 3 mm) → cage mill disintegrator (breaks lumps) → flash dryer (200–350 °C inlet) → cyclone → bag filter → dry powder at < 5 % moisture → pellet press or wood flour packaging.

## ATEX Compliance for Biomass Applications

Biomass dusts (wood dust, agricultural dust) are classified as:
- **Dust group IIIA** (fibres: some agricultural)
- **Dust group IIIB** (non-conductive: wood dust, grain dust)

Lozzar Process supplies:
- ATEX Zone 22 certified bag filters (conductive bags, earthed casing)
- ATEX Zone 22 rotary valves (inerting or explosion-proof)
- Explosion relief venting on cyclones and duct connections
- Earthed and bonded screw conveyor and bucket elevator

## Energy Efficiency in Biomass Drying

Drying is typically the largest energy consumer in a biomass pellet plant (30–50 % of total energy). Lozzar Process optimises:
- **Waste heat integration**: CHP exhaust or boiler flue gas as dryer heat source — no additional fuel cost
- **Recirculation**: belt dryer recirculates 60–80 % of drying air — halves heat demand vs open-loop
- **Condensing recovery**: moisture from dryer exhaust condensed in heat exchanger — recovered heat reused

## Reference Applications (Anonymised)

- Rotary dryer + cyclone + baghouse for wood chip dryer at pellet plant, Romania — 8 t/h dry product
- Belt dryer using CHP waste heat for digestate drying, Germany — 1.5 t/h dry DS
- Flash dryer for wood flour at board manufacturing plant, Hungary — 3 t/h, inlet 40 % moisture

## Contact and Project Enquiry

Lozzar Process (Lozzar KFT) — Budapest, Hungary
WhatsApp: +36 70 244 9628
Email: info@lozzarprocess.com
Industry page: https://lozzarprocess.com/en/industries/biomass-energy