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Application of Magnetic Separation Equipment in the Chemical Industry


1. Industry Overview


Global market: Magnetic separation equipment for chemicals is growing at 5.8 % CAGR and expected to reach USD 1.2 billion by 2027.

Key segments: Fine chemicals, petrochemical catalysts, agrochemicals, pigments, and specialty polymers.

Regulatory push: REACH, FDA 21 CFR, and ISO 9001 increasingly demand metal-inclusion ≤ 10 ppm.

Process trend: Continuous-flow plants, high-purity APIs, and closed-loop solvent recovery.


2. Core Value of Magnetic Separation


“Removing just 1 ppm of ferrous contamination can boost catalyst selectivity by 3–5 % and extend fixed-bed life by 15 %, saving USD 0.5–1.0 M per campaign.”


3. Typical Applications & Equipment

Application

Separator Type

Key Specs

Feed State

Market Share

Typical Plant

API slurry polishing

Parallel Type Liquid Magnetic Separator

1.2 T, Fe ≤ 5 ppm

Liquid slurry

30 %

DSM 5 kt/yr antibiotic line

PTA catalyst recovery

Automatic Drawer Magnetic Separator

1.2 T, Co recovery > 99 %

Powder

25 %

BP Zhuhai PTA 1.2 Mt/yr

Agrochemical pigment

"U" Style Tandem Liquid Trap Magnets

1.3 T, 150 °C rated

Viscous paste

20 %

Syngenta azo pigment unit

Fine-chemical pigments

Drawer Magneic Separator

0.9 T, 30 bar

Pneumatic convey

15 %

Clariant 15 kt/yr pigment

Solvent recycling

Drum Magnetic Separator

2 mm non-ferrous cut

Liquid stream

10 %

SABIC 50 kt/yr MEK loop


4. Pain Points & Solutions


Ultra-fine catalyst loss → Switch to matrix HGMS with 200 µm wires; Co loss cut from 1.2 % → 0.3 %.

Aggressive solvents → Hastelloy C-276 housings + PTFE linings, corrosion rate < 0.025 mm/yr.

Explosive dust (ATEX) → Ex d IIB T4 motors, intrinsically safe sensors; zero incidents since 2020.


5. Standards & Compliance


Chemical: REACH 2023, FDA 21 CFR 211 for pharma

Safety: ATEX 2014/34/EU, IECEx, PED 2014/68/EU

Quality: ISO 9001, ISO 14001, OHSAS 18001


6. Supply Chain & Service Model


Capacity: 1 500 units/year across three global plants; standard rotors on shelf ≤ 2 weeks.

Lead time: Standard 6–8 weeks, engineered specials 10–12 weeks.

QA: 100 % gaussmeter mapping, hydrostatic test 1.5× MAWP, FAT/SAT protocols.

Added value: CFD-thermal modeling, on-site magnetic audit, annual matrix-replacement contracts.


7. Success Story


A European fine-chemical producer upgraded its azo pigment line with HGMS-1500:

● Fe contamination dropped from 25 ppm → 3 ppm.

● Product rejection rate fell by 40 %, saving € 1.1 M/year.

● Campaign life extended from 45 → 60 days, cutting downtime 25 %.

● System passed FDA audit in 2023 and is now qualified for pharmaceutical-grade pigment supply.


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