Technical articles

Basic principles to plan plants for dry mix mortars

ZKG INTERNATIONAL

The use of dry mix mortars has strongly increased all over the world during the last 15 years. Their advantages, i. e. adaptation of the mix formula to the particular operational application, the possibility of minimizing the amounts used, excellent workability, constant quality, quicker completion of the building and less building rubbish, compensate for the disadvantage of the higher price in every way. If natural sand is not available in sufficient quantities, predominantly crusher sand from soft and medium-hard rocks will be used. There are various technological alternatives for producing sand depending on the properties of the rock, the primary grain mix available and the desired flexibility of the plant.

Published in: ZKG INTERNATIONAL - No. 4-2007 (Volume 60)
PDF (202 KB)
Basic principles to plan plants for dry mix mortars
No. 4-2007 (Volume 60)
April 2007

Size: 202 KB

Thin-cake filtration technologies for removing activated carbon, catalysts and other trace solids from Active Pharmaceutical Ingredient (API) slurries

PHARMACEUTICAL ENGINEERING

This article discusses the use of thin-cake vertical candle filters and horizontal pressure plate filters as alternatives to manual and conventional filter equipment. These new technologies are described as well as the selection process. The article includes test data and case histories and concludes with a discussion of clean-in-place operations and current Good Manufacturing Practices (cGMP) guidelines. ANSI/ISA S88 (and IEC 61512-1 in the international arena) batch process control system standards are also examined for validation. Finally, factory and site acceptance testing is described.

Published in: PHARMACEUTICAL ENGINEERING - JANUARY/FEBRUARY 2007
PDF (255 KB)
Thin-cake filtration technologies for removing activated carbon, catalysts and other trace solids from Active Pharmaceutical Ingredient (API) slurries
JANUARY/FEBRUARY 2007
January 2007

Size: 255 KB

Thin-Cake Filtration Technologies for Removing Activated Carbon, Catalysts and Other Trace Solids from Active Pharmaceutical Ingredient (API) Slurries

BHS-Filtration Inc.

The BHS technologies of Vertical Candle Filters and Horizontal Pressure Plate Filters provide improved product quality with more efficient operations compared with manual pressure filters. The different technologies allow for the selection of the optimum process solution depending upon the cake characteristics and cake structure. Fully automatic operations provide for complete containment of the solids and liquids for reduced maintenance costs and overall project savings.

Published in: BHS-Filtration Inc. - JANUARY/FEBRUARY 2007
PDF (255 KB)
Thin-Cake Filtration Technologies for Removing Activated Carbon, Catalysts and Other Trace Solids from Active Pharmaceutical Ingredient (API) Slurries
JANUARY/FEBRUARY 2007
January 2007

Size: 255 KB

BHS Candle Filter technology for refinery applications

BHS-Filtration Inc.

Application Summary from BHS-Filtration Inc. to BHS Candle Filter technology for refinery applications: Candle Filters provide for thin-cake pressure filtration, cake washing, drying, reslurry and automatic discharge as well as heel filtration in an enclosed, pressure vessel. Units are available from 0.17 m² up to 100 m² of filter area per vessel. The Candle Filters are installed for clarification and recovery applications from liquids with low solids content. They are an ideal replacement for filter presses as well as for manual plate filters, bag filters, cartridges filters and other conventional-manual separation equipment where solids, solvents and hazardous materials are being handled.

Published in: BHS-Filtration Inc. - September 2006
PDF (399 KB)
BHS Candle Filter technology for refinery applications
September 2006
September 2006

Size: 399 KB

Flexible mechanical approach

Recycling aktiv

The Rotorshredder RS and RPMV Rotor Impact Mill from Germany based BHS Sonthofen achieve the main objectives of processing waste from electrical and electronic equipment (WEEE), namely the effective size reduction and gentle "disintegration" of composites in order to liberate individual components. This approach is regarded by the manufacturer as extremely flexible and cost efficient.

Published in: Recycling aktiv - July/August 2006
PDF (593 KB)
Flexible mechanical approach
July/August 2006
August 2006

Size: 593 KB

Thin-cake filtration technologies for removing activated carbon, catalysts and other trace solids from Active Pharmaceutical Ingredient (API) slurries

PharmaChem

The BHS technologies of Vertical Candle Filters and Horizontal Pressure Plate Filters provide improved product quality with more efficient operations compared with manual pressure filters. The different technologies allow for the selection of the
optimum process solution depending upon the cake characteristics and cake structure. Fully automatic operations provide for complete containment of the
solids and liquids for reduced maintenance costs and overall project savings.

Published in: PharmaChem - March 2006
PDF (276 KB)
Thin-cake filtration technologies for removing activated carbon, catalysts and other trace solids from Active Pharmaceutical Ingredient (API) slurries
March 2006
March 2006

Size: 276 KB

BHS Candle Filter applications for clarification/recovery of solids from chemical slurries

BHS-Filtration Inc.

Application Summary from BHS-Filtration Inc. to BHS Candle Filter applications for clarification/recovery of solids from chemical slurries:
1. Fine catalyst recovery at a refinery;
2. Fine solids removal & clarification of a specialized acidic solvent at a metal galvanizing plant;
3. Tantalum powder recovery plant;
4. Fine solids removal/clarification of a liquid speciality chemical;
5. Speciality chemical recovery/concentrator with integrated mixing tank for reslurry operations

Published in: BHS-Filtration Inc. - February 2006
PDF (374 KB)
BHS Candle Filter applications for clarification/recovery of solids from chemical slurries
February 2006
February 2006

Size: 374 KB
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