Core Solution

From Mixed to Pure Unlocking the Potential Value of Every Ton of Plastic

Hyperspectral AI sorting technology precisely separates 12+ plastic types from household and industrial mixed waste plastics — sorting purity ≥98%, single-machine throughput 3-8 tons/hour

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Mixed Plastics: A Sleeping Gold Mine

Global annual mixed waste plastics exceed 150 million tons; advanced sorting technology is the key to unlocking this value

Massive Volume

China alone produces 60+ million tons of waste plastic annually, with over 40% being mixed household plastics — currently most are incinerated or landfilled

Policy Mandates

EU requires 55% plastic packaging recycling rate by 2030; China's "Waste-Free City" initiative drives mandatory sorting — mixed plastic sorting is becoming a required capacity

Value Multiplier

Mixed plastics sell for 500-1,000 CNY/ton; after sorting, single-material streams (PE, PP, ABS, etc.) fetch 3,000-8,000 CNY/ton — a 3-10x value increase

The Core Challenge of Mixed Plastic Sorting

01

Extreme Material Diversity

Household waste contains PE, PP, PS, ABS, PVC, PET, PA, PC and more — often 8-15 types in a single batch, with widely varying physical properties

  • Density ranges overlap (0.9-1.4 g/cm³)
  • Colors vary widely (transparent to black)
  • Shapes irregular (films, rigid, foam)
02

Batch-to-Batch Variability

Composition varies significantly by season, region, and source — a sorting setup that works today may fail tomorrow, requiring constant parameter adjustment

  • Seasonal changes in waste composition
  • Regional differences in consumption patterns
  • Frequent recalibration needed
03

Purity vs. Yield Trade-Off

Traditional sorting struggles to balance high purity with high yield — pushing purity to 95%+ often causes yield to drop below 70%, undermining economics

  • Single-pass sorting yield typically 60-70%
  • Multi-pass increases cost and complexity
  • Manual sorting is slow and inconsistent

Baicheye Multi-Stage Progressive Sorting System

"Coarse-to-fine" multi-stage sorting architecture — from mixed waste to pure single-material streams

Stage 1

Pre-Sorting

Remove metals, glass, stone, and other non-plastic contaminants; size classification to ensure uniform material size for downstream sorting

Magnetic separationEddy currentSize screening
Stage 2

Coarse Spectral Sort

First-pass hyperspectral sorting, broadly separating into PE/PP group, PET group, PS/ABS group, and PVC — throughput 5-8 tons/hour per unit

4 group separation≥95% accuracy5-8 t/h
Stage 3

Fine Spectral Sort

Second-pass hyperspectral sorting on each group, precisely separating individual plastic types — PE from PP, ABS from PS, etc. — purity ≥98%

Single-type separation≥98% purity3-5 t/h
Stage 4

Color Refinement

Optional color sorting for high-value applications — separating clear, light blue, green, and other colored fractions within each material type

RGB+HSI colorSub-millimeterOptional

Why Choose Baicheye for Mixed Plastic Sorting?

Molecular Fingerprint Recognition

224-band SWIR hyperspectral captures unique molecular spectral signatures — distinguishing PE from PP, ABS from PS with >99.5% accuracy, far beyond NIR

Black Plastic Identification

Conventional NIR cannot detect black plastics (carbon black absorbs NIR). Our SWIR hyperspectral penetrates carbon black to identify the base polymer — a critical advantage for automotive and electronics recycling

AI Self-Adaptation

AI model automatically adjusts to batch composition changes — no manual recalibration needed when feedstock varies. Model continuously improves with operational data

Flexible Modular Architecture

Modular units can be configured for any capacity from 3 to 30+ tons/hour. Add or rearrange modules as your business grows — no rip-and-replace needed

High Yield with High Purity

Multi-stage progressive sorting achieves >98% purity while maintaining >90% yield — breaking the traditional purity-yield trade-off

Cloud-Based Optimization

Real-time monitoring of sorting performance; automatic parameter optimization across all units; production analytics and batch quality reporting

ROI Based on Annual 20,000-Ton Mixed Plastic Line

ItemPre-AdoptionPost-AdoptionImprovement
Sorting Purity70-80% (manual)≥98%↑ 20-28%
Sortable Material Types2-3 types12+ types4x increase
Product Avg Price1,500-2,000 CNY/ton4,000-6,000 CNY/ton+150-200%
Annual Revenue Increase-8-16 million CNYSignificant
Sorting Cost600-1,000 CNY/ton<200 CNY/ton↓ 70-80%
Manual Sorting Labor20-30 persons/shift2-3 persons/shift↓ 90%
Equipment ROI Period-<12 monthsFast Payback
* Data from actual customer operations; specific benefits depend on feedstock conditions and production scale

Target Material Streams

Household Waste Plastics

Sorted from municipal solid waste — packaging containers, household items, toys — typically 8-15 plastic types mixed together

WEEE Plastics

Plastic housings from waste electronics — ABS, HIPS, PC, PP — high-value materials requiring precise separation

ELV Plastics

End-of-life vehicle plastics — PP bumpers, ABS interior trim, PA engine components — large volumes with good recycling potential

Industrial Scrap

Production rejects, purgings, and post-industrial waste — cleaner than post-consumer but still requires material-type separation

Customer Success Stories

South China Municipal Waste Sorting Center

Annual Capacity 30,000 tons
Benchmark Case

Pre-Solution Challenges

  • Mixed household waste plastics with 10+ types, highly variable composition
  • Manual sorting cost 800 CNY/ton, purity only 70-80%
  • Most material sold as mixed plastic at 1,000 CNY/ton

Baicheye Solution

6-unit hyperspectral sorting line: 2 coarse sort + 4 fine sort, with automated feeding and conveying system

Results

98.5%Avg Purity
8 typesProducts
+4,000 CNY/tonAvg Price Premium
10 monthsROI Period

"We went from a waste transfer station to a high-value material recovery facility. Baicheye's system paid for itself in under a year."

— Operations Director, South China Sorting Center

Europe WEEE Recycling Plant

Annual Capacity 15,000 tons
Overseas Case

Pre-Solution Challenges

  • WEEE plastics containing flame retardants require strict separation
  • Black plastics account for 30%+ of input — undetectable by NIR
  • EU WEEE directive requires >80% material recovery rate

Baicheye Solution

4-unit hyperspectral sorting line with black plastic detection capability and flame retardant identification

Results

99.1%Purity
92%Recovery Rate
+500 EUR/tonPrice Premium
14 monthsROI Period

"The ability to sort black plastics was the deciding factor. No other technology on the market could do this reliably."

— CTO, European WEEE Recycler

From Consultation to Production in 6 Steps

01

Requirement Communication

Understand your waste stream composition, capacity needs, and target products

02

Sample Testing

Send 20-50kg representative sample for free comprehensive analysis and sorting trial

03

Solution Design

Custom process flow, equipment configuration, and plant layout design

04

Equipment Manufacturing

Standard delivery in 45-60 days; progress updates throughout

05

Installation & Commissioning

Engineers on-site, typically 7-10 working days for multi-unit systems

06

After-Sales Service

2-year warranty, lifetime technical support, remote diagnostics + on-site service

Frequently Asked Questions

What is the minimum purity you can achieve?

With a two-stage fine sorting configuration, we consistently achieve ≥98% purity for target materials. For applications requiring >99.5% purity (e.g., food-grade), a third sorting stage can be added. The exact configuration depends on your feedstock characteristics and target specifications.

How do you handle black plastics?

Our SWIR hyperspectral technology (900-1700nm) penetrates carbon black pigmentation to identify the base polymer. This is a unique capability — conventional NIR (800-1100nm) is completely absorbed by carbon black and cannot detect black plastics at all.

What if my feedstock composition changes frequently?

Our AI model is designed for this exact scenario. It continuously monitors spectral patterns and automatically adjusts classification thresholds. No manual recalibration is needed for normal compositional variations. For significant changes (e.g., new material types), we can remotely update the model.

Can the system be expanded later?

Yes. Our modular architecture supports easy expansion. You can start with a 2-unit system and add more units as your capacity grows. All units connect to the same cloud platform for unified management.

Turn Your Mixed Waste into Sorted Value

Leave your contact information and our technical experts will provide a customized solution within 24 hours

Free sample testing and analysis report
Customized solution design
ROI calculation for your production line
On-site technical consultation available
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