Rabu, 04 Maret 2009

ALAT-ALAT EKSTRAKTOR

Screw Press (Sistem Ekstraksi dengan Screw) Screw Press (Sistem Ekstraksi dengan Screw)
(Gambar)

Screw Press adalah salah satu jenis peralatan yang bekerja berdasarkan tekanan yang terjadi karena bentuk screw atau ulir, peralatan ini sering digunakan baik dalam industri proses makanan maupun dalam industri pengolahan selain makanan. Beberapa aplikasi peralatan yang menggunakan screw press adalah terdapat dalam industri pengolahan jahe instan, ekstraksi santan kelapa, ekstraksi sari buah jambu dan lain - lainnya. sedangkan dalam bidang pengolahan yang lain alat ini sering dipakai sebagai alat pencetak dengan sistem ekstrusi atau sering di sebut ekstruder, salah satu aplikasinya adalah dalam pencetakan pellet ikan dan batu bata. Kami dapat membuat beberapa aplikasi dari sistem screw press seperti yang telah tersebut di atas.

KMPS has a wide range of extractors to choose from, both static and agitated columns. Click on the column types below for more information on each.

· Static Columns
- Sieve Trays
- Random Packing
- Structured (SMVP) Packing

· Agitated Columns
- KARR® Column
- SCHEIBEL® Column
- Rotating Disc Contactor (RDC)
- Pulsed Column
- Special Designs

KMPS also offers a broad range of pilot scale extraction columns for rental or purchase. See the section on Bench Scale units or download the PDF brochure.

Bench Top Extraction Column

Sieve Tray Column

Characteristics

  • High capacity: 30-50 M3/M2-hr
  • Good efficiency due to minimum backmixing
  • Multiple interfaces can be a problem
  • Limited turndown flexibility
  • Affected by changes in wetting characteristics
  • Limited as to which phase can be dispersed

Packed Column - Structured (SMVP)

SMVP Structured PackingCharacteristics

  • High capacity: 40-80 M3/M2-hr
  • Poor efficiency due to backmixing and wetting
  • Limited turndown flexibility
  • Affected by changes in wetting characteristics
  • Limited as to which phase can be dispersed

Packed Column - Random

Typical Random PackingCharacteristics

  • High capacity: 20-30 M3/M2
  • Poor efficiency due to backmixing and wetting
  • Limited turndown flexibility
  • Affected by changes in wetting characteristics
  • Limited as to which phase can be dispersed

Ekstraktor berpengaduk

Characteristics

  • Highest capacity: 30-60 M3/M2-hr
  • Good efficiency
  • Good turndown capability (25%)
  • Uniform shear mixing
  • Best suited for systems that emulsify

SCHEIBEL® Column

Characteristics

  • Reasonable capacity: 15-25 M3/M2-hr
  • High efficiency due to internal baffling
  • Good turndown capability (25%)
  • Best suited when many stages are required
  • Not recommended for highly fouling systems or systems that tend to emulsify

Rotating Disc Contactor (RDC) Column

Characteristics

  • Reasonable capacity: 20-30 M3/M2-hr
  • Limited efficiency due to axial backmixing
  • Suitable for viscous materials
  • Suitable for fouling materials
  • Sensitive to emulsions due to high shear mixing
  • Reasonable turndown (40%)

Pulsed Column

Characteristics

  • Reasonable capacity: 20-30 M3/M2-hr
  • Best suited for nuclear applications due to lack of seal
  • Also suited for corrosive applications since can be constructed out or non-metals
  • Limited stages due to backmixing
  • Limited diameter/height due to pulse energy required

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