BHS-Sonthofen GmbH · 2019-08-05 · BHS-Sonthofen GmbH Seminar Outline • BHS Introduction & BHS Testing • Clarification-Combination Filtration • Candle Filter & Pressure Plate

BHS-Sonthofen GmbH Thin-Cake Solid-Liquid Separation,

Cake Washing & Drying Technologies

SOLID- LIQUID SEPARATION

SYSTEMS

Barry A. Perlmutter

President & Managing Director

BHS-Sonthofen GmbH

Seminar Outline

• BHS Introduction & BHS Testing

• Clarification-Combination Filtration

• Candle Filter & Pressure Plate Filter Technology

• Concentrating Candle Filters

• Vacuum Belt Filters - Concentrating Candle Filters

• Rotary Pressure Filters

• Pharma Autopress

• Summary

BHS-Sonthofen Location

Hannover

Hamburg

Rostock

Berlin

Leipzig Bonn

Frankfurt

Stuttgart Nurnberg

Munich Vienna

Salzburg

Graz Innsbruck Bern

Zurich

Sonthofen

D

CH A

BHS-Sonthofen GmbH

Divisions

Filtration

Technology

Mixing

Technology

Crushing

Technology

Recycling

Technology

BHS-Filtration New Location

• BHS-Filtration Inc.

New Location

• 14,000 ft2 Facility of

Office & Warehouse

• $1.3 million

Investment

Candle Filter

Pressure Plate Filter

Autopress

Rotary Pressure Filter Indexing Belt Filter

Rubber Belt Filter

BHS Technology Portfolio

BHS Lab Testing

BHS Lab Testing: Pressure or Vacuum

BHS Lab Testing: Filter Aids

BHS Lab Testing: Cake Structure

BHS Batch/Continuous

Filtration and Clarification

for Low Solids Concentrations

Clarification and Recovery Applications

with the BHS

Candle and Pressure Plate Filters

BHS Batch/Continuous

Filtration and Clarification

for Low Solids Concentrations

• Applications include water & amine scrubbers,

chlor-alkali, chemical, biodiesel, gasification /

grey water, activated carbon, catalysts, heavy

metals, PTA fines and pharmaceutical

• Replaces filter presses, manual plate filters, bag,

cartridge, metal filters and centrifuges

• Filtration to 0.5 um, cake washing and drying

• Precoat of the filter media is possible, if required

• Complete containment and Automatic discharge

BHS Batch/Continuous

Filtration and Clarification

for Low Solids Concentrations

Candle Filter: Vertical Cake Structure

Cake discharge by gas expansion of the filter media

Pressure Plate Filter: Horizontal Cake Structure Cake discharge by plate vibration & gas-assist

No spinning plates-eliminates solids sticking

No rotating or mechanical seals-eliminates leakage

BHS Concentrating Candle Filters &

Pressure Plate Filter

- Feed Rate:

260 gpm at 600 ppm solids

- Result:

2 x 20 m2 Concentrating Candle Filters

1 x Pressure Plate Filter (4 m2)

For Filtration, Cake Washing & Drying

BHS Concentrating Candle Filters &

Pressure Plate Filter

BHS Concentrating Candle Filters &

Pressure Plate Filter

BHS Candle Filter Technology

BHS Candle Filter Technology

BHS Candle Filter Technology

BHS Pressure Plate Filter

BHS Pressure Plate Filter

BHS Pressure Plate Filter

Concentrating Candle Filters for

Grey Water

Fines Slurry at 200 PPM BHS Pocket Leaf Filter Clarified Water (0.5 um)

Slurry Feed

800 gpm

200 ppm solids

800 gpm Clear Filtrate

0.5 micron particle

retention

Sludge Discharge

Once per 3 hours

300 gallons; 10% solids

Hold

Tank

or

Pump

BHS Candle

Filter System-

Slurry

Discharge

3 x KN170-62

Parallel operation:

2 online 1 offline

6 hr cycle per filter

BHS Slurry Discharge

Candle Filter-Complete System

BHS Candle Filters with Activated Carbon

BHS Turnkey Project with Belt Filters, Candle

Filters, Pumps. Tanks, & PLC Control

BHS 73.5 m² Belt Filter and Four (4)

Candle Filters KF 49-25 & KF 19-10

BHS Vacuum Belt Filter Technolgies Continuous-Indexing & Rubber Belt Filter

Continuous-Indexing

- Continuous slurry feed

- Indexing belt movement

- Up to 75 m² filter area

- Electric or pneumatic drive

- Dewatering, cake washing,

steaming, and pressing

- For small to medium size

throughputs

- No sealing media (water, air)

Rubber Belt Filter

- Continuous slurry feed

- Continuous belt movement

- Up to 200 m² filter area

- Electric drive

- Dewatering, cake washing,

and steaming

- Higher throughput per m² for

high efficient filters

- No water or air required for

belt support

BHS Continuous-

Indexing Vacuum

Belt Filter

Process Operations

Continuous Process Operations

Vacuum Filtration

Cake Thickness: 5 – 150 mm

Cake Washing:

Co-current and Counter-Current

Drying:

Vacuum, Convection, Pressing and

Steaming

Schematic Presentation

•Belt movement

by pneumatic

cylinders

• No motors

• No rubber belts

• No moving

trays

• No internal

rails or hoses

Main Components

• Fixed Vacuum Trays & Filtrate Outlets

• Suspension feed

• Cake Washing

• Cake discharge

• Cake Drying

• Filter cloth wash

• Belt Tracking

• Pressure or Dust Containment

• The vacuum trays are fixed in place

• Each tray has a filtrate outlet

• Tray is profiled for filter media sealing

• Stainless steel, alloys or synthetic materials

• Filtrate pipes can be heat-traced /insulated to eliminate precipitation

Vacuum Tray

Suspension Feed:

Fixed or Oscillating -

Cake Wash

Cake Drying

•Vacuum Drying

•Convection Drying:

Hot or Ambient

Temperature Air or Gas

•Steam Blowing

•Cake Squeezing / Pressing

•Heated Trays

•Combination of Techniques

Pressing and

Blowing Device

Cake discharge from a 12 m2 belt filter:

10 tons/hour of solids Cake Depth = 50 mm

Moisture < 10 % Chlorides < 100 ppm from an

initial level of 20,000 ppm

Cake Discharge

High Solids Slurries (Up to 55%)

BHS Continuous Rotary Pressure Filters

Chemical:

Agricultural, Specialty, Pigments,

Starch, Terephthalic Acids, Polymers, etc.

ROTARY PRESSURE FILTER

ROTARY PRESSURE FILTER

• Continuous Pressure Filtration

• Enclosed and Pressure Tight

• Cake Washing & Solvent Exchange

• Steaming & Drying

• Atmospheric/Pressurized Cake Discharge

• Applications: Starch, HEC/HC/MC,

Proteins, Cellulose Acetates, Coffee

extracts and similar

Rotary Pressure Filter Operation

Sealing

Element

Wash Inlet

Drying Gas

Inlet Outlets

& Vents

Rotary Pressure Filter Operation

Rotary Pressure Filter Drum

Rotary Pressure Filter Drum

Cell with

Synthetic

Cloth Filter

Media

Cell Insert

BHS Autopress (Contained Filter Press)

Pharmaceutical Applications for Replacing

Centrifuges and Nutsche Filter-Dryers

• Batch Pressure Filtration

• Cake Washing (forward & reverse)

• Drying (Blowing, Vacuum, & Compression)

• Automatic Cake Discharge

AUTOPRESS

AUTOPRESS AP 300

Multipurpose Pilot Plant

AUTOPRESS

AUTOPRESS

Autopress Riboflavin Test

Before CIP Operation

Autopress Riboflavin Test

After CIP Operation

Summary of BHS Turnkey Projects

• Description of Installation

• Scope Engineering

• Process Design

• BHS Technologies

• PLC Controls

• Tanks, Pumps, Instrumentation

• Full skid packages

• Commissioning

• Performance Guarantee & Testing

BHS-Sonthofen GmbH Thin-Cake Solid-Liquid Separation,

Cake Washing & Drying Technologies

THANK YOU!

www.bhs-filtration.com

[email protected]