Archives :: Processing & Handling :: Separation (Gas-Solid & Liquid-Solid)

Displaying 41 - 60 of 130 stories.
May 1, 2011
Due to their simplicity of construction, lack of moving parts, ability to operate at a wide range of temperatures and pressures, low capital and operating cost, cyclones have been the workhorse for gas-solid separation in a wide variety of industries. If properly designed and installed, cyclones can be used to control particulate emissions as low as 5 microns in size, and sometimes to smaller sizes in...
May 1, 2011
The 7710 Series filters are designed to deliver high value for filtration applications using lower-pressure liquid and gas. The filters have...
April 26, 2011
[Originally published in the May 1995 issue of Chemical Engineering] Cyclone dust collectors have been used - and misused - all over the world for more than 100 years. One reason for the misuse is a common perception among users that all cyclones are ``created equal'' - that is, as long as a cyclone resembles a cylinder with an attached cone, it will do its job. However, to maximize separation efficiency...
April 25, 2011
Question:  Besides rotary, fluidized-bed, and flash dryers, what other types of dryers can remove moisture and other volatile compounds from bulk solids? Answer:  For many applications, an efficient and cost-effective alternative is to dry the bulk solid in a silo equipped with heat exchangers or modified to permit injection of a gas. Compared to other dryers, drying silos have several...
April 1, 2011
The Witte Co. This salt-drying system recycles hot exhaust air Among a host of advantages, the bulk salt-dryer system (photo) from this company captures half of its hot exhaust air for recycling, which both reduces energy requirements and cuts the volume of exhausted air. Designed for drying road salt, rock salt, sea salt, food-grade table salt and other salt products, the system combines a vibrating bed...
March 28, 2011
The Class 125 Cast Bronze Y-strainers (photo) are used in commercial applications to trap foreign matter in steam, water, oil or gas pipelines. The bronze strainer line includes...
March 28, 2011
For applications exposed to the risk of explosions, this firm has developed a new gas-tight decanter (photo). The decanter will be available in two versions, one for clarifying and another for extraction. As a...
March 28, 2011
This firm’s decanters and disc-stack centrifuges assume a key role in the mechanical separation operations in the chemical and pharmaceutical industries, including clarification of liquids, classification...
March 28, 2011
This firm’s decanters and disc-stack centrifuges assume a key role in the mechanical separation operations in the chemical and pharmaceutical industries, including clarification of liquids, classification...
March 28, 2011
The new FPC 24 self-discharging, vertical-disc stack separator (photo) features a large equivalent clarification area, which is realized with a disc-stack geometry that is adapted to...
March 28, 2011
The 1-in. dia. ProGrade Tube Magnets are available in lengths of 4 – 24-in. and are primarily used to remove ferrous contaminants from liquids in tanks, as a quality control check of dry bulk materials, or in...
March 28, 2011
Goudsmitt Magnetic Systems The redesigned High Gradient Separator (photo, p. 32I-7) has been developed for the recycling industry and is particularly suitable for operation...
March 28, 2011
Alfa Laval The Aldrum drum thickener (photo) provides very gentle sludge handling and recovery. The unit is a range of mechanical sludge thickeners and works on the principle of conveying polyelectrolyte-treated sludge through a slowly rotating drum filter. The sludge remains in the drum, while the water phase passes through the filter cloth. Sludge concentration can be regulated...
March 28, 2011
The F Series represents a new generation of decanter. The GCF 405 is designed for products that are difficult to discharge, which makes it suitable for use as a clarifying decanter in brewing and beverage industries. The...
March 28, 2011
Griswold Pump The HF Series drawer magnets are equipped with powerful magnetic cartridges to handle a wide range of separation tasks in mechanical or gravity flow applications. The cartridges can fully extend outside the...
March 28, 2011
CPFD Software The Barracuda v14 simulation software (photo) offers 3-D modeling of chemical, thermal and flow dynamics in gas-solid and liquid-solid systems. The latest release includes a new chemistry module for modeling...
March 28, 2011
The newly developed overbelt electromagnets are suitable for dusty, explosion-sensitive environments in ATEX 22 zones. These magnets are suitable for removing iron particles from...
March 28, 2011
Efficient acceleration of the product in the feed zone combined with an optimized discharge system enables the new C-Series environmental decanter line to boast a reduced power...
March 28, 2011
With dewatering belts made of polyester or polyphenylene sulfide, considerably dryer sludges can be attained in serial dryers. These synthetic meshes cover working temperatures ranging from 80 to 200°C and pH values of 1–14. The belts, woven from robust monofilaments and given...
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