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Filter Presses
J-Press consists of a heavy steel frame, engineered to support
a pack of filter plates which are available in a variety of styles
to fit your specific process or application. These filter plates
are recessed on both sides, and when placed side-by-side, form
cavities called chambers. The greater the number of chambers, the
greater capacity of the filter press. The plate pack is sealed or
clamped by a hydraulic cylinder, which is either electrically or
pneumatically powered.
The cycle begins when the sludge, slurry or process liquid is
pumped through the feed inlet into the chambers of the filter
pack. Solids in the slurry or sludge are trapped by a filter cloth
lining each chamber, while the liquid escapes through piped
channels on the plate surface. The particle deposit continues to
build until a cake is formed in each chamber. As the cake
thickens, filtrate flow becomes restricted and pumping pressure
rises until it reaches the set point where the feed pump shuts
off. The J-Press is then opened, and the plates are separated to
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| The J-VAP
Dewatering/Drying System joins a specially-designed diaphragm
plate filter press with a patented vacuum/evaporation technology.
The result is a single-step process that can achieve a
field-selectable moisture reduction of up to 99%. The ability to
produce high solids from difficult sludges and slurries, and to do
so at a selectable dryness level, makes J-VAP the ideal
dewatering/drying system for a wide range of applications, some of
which include: Municipal water and wastewater sludges, industrial
process slurries, industrial wastewater and sludge, food and
beverage process and wastewater, ceramics, clarification of acids,
Solvents and process solutions, Dewatering of industrial sludges,
Food and beverage processing and wastewater treatment, Lumber
treatment plants, Mining and reclamation of precious metals, Oil
refineries, storage terminals and petrochemical plants, Oil
fields, Power plants, Processing of pharmaceutical and chemical
products, Processing of pigments and dyestuffs, Reduction of metal
finishing waste. |
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Continuous
J-Mate Sludge Dryer
While mechanical dewatering units can reduce sludge volume up to
20:1, a substantial amount of water still remains in the sludge
cake material. The Continuous J-Mate Sludge Dryer changes the cake
material to a dry granular form. The result is a further volume
reduction of approximately 4:1. So effective is the J-Mate that
the payback on your investment can be achieved in as little as 6
months. Engineered for high volume applications, the Continuous
J-Mate Sludge Dryer offers patented features that deliver
significant benefits in efficient, low maintenance sludge
reduction.
Designed specifically for metal hydroxide sludge, sludge volume
reduction ranges from 2:1 to 5:1. Fully automatic processing
cycle. Minimal operator attention required. 98% efficient
stainless steel venturi-type wet scrubber for high air quality,
stainless steel construction of all internal wetted parts in
drying chamber, all other parts are acrylic urethane painted
carbon steel. Modulating control system for optimum energy use.
Installation flexibility, simple loading and unloading. Highly
efficient infrared heaters keep energy cost at a minimum.
Available in LP, natural gas and electric. Optional hydraulic
loading system automatically raises and empties drums or dumpsters
into receiving hopper. No direct flame touching material.
Electronic ignition used – no pilot light. The dry, granular
material is emptied into a bag, barrel or dumpster for disposal.
The J-Press filter press reduces 80 barrels of metal hydroxide
sludge to 4 barrels of cake. While this is a substantial
reduction, greater savings are realized with the addition of the
J-Mate, since 60% to 80% of the filter cake is moisture. The
Continuous J-Mate can further reduce 4 barrels of filter cake to 1
barrel of dry, granular material for easier, less costly disposal.
Cake from the J-Press is loaded into the J-Mate receiving hopper
using one of several options, thus reducing multiple handling and
assuring continuous operation.
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J-Mate
Batch Dryer
Designed for low volume applications, the J-Mate Batch Dryer features a
low heat, closed loop air handling system. Moisture extracted from the
sludge filter cake is condensed, and the dry air is then reintroduced to
the sludge in a continuous closed loop cycle that virtually eliminates
emissions. This unique, low temperature process is ideal for combustible
organic cake material and material which may emit unwanted fumes when
exposed to heat. Heavy-duty construction, along with important operating
features, make the J-Mate Batch Dryer an effective, easy to use method to
remove costly filter cake moisture.
For materials requiring low temperature moisture reduction, the J-Mate
Batch Dryer is an easy to use, cost effective drying system. Working in
concert with J-Press, the J-Mate Batch Dryer can reduce 4 barrels of cake
to approximately 1 ½ barrels of dry material for reduced disposal costs.
Filter cake material is loaded directly from the J-Press into the mobile
hopper, which is then connected to the J-Mate for drying.
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USFilter
RTI Evaporators
Evaporation is a very effective means of removing water from
aqueous waste. It requires a relatively small capital investment,
low maintenance, and is capable of delivering zero discharge while
allowing simultaneous reduction of different aqueous waste
streams. No other method of treatment can meet all of these
criteria.
Available in electric or gas models in a wide range of capacities,
the USFilter RTI Series of evaporators combines the inherent
benefits of evaporation with superior engineering,
state-of-the-art controls and features designed to ensure easy
operation and optimal performance. |
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J-Spin
Solid Bowl Decanter Centrifuges
A product of superior engineering and proven field performance,
J-Spin solid bowl decanter centrifuges offer an effective,
minimal-maintenance solution to continuous liquid clarifying and
solids dewatering. The J-Spin is a versatile system that is easy
to operate and requires little operator attention. What’s more,
J-Spin is capable of adapting to varying throughput and
process/material types.
The J-Spin enclosed design is very effective in reducing odor
emission while dampening noise levels. The small footprint and
minimal exposure to moving parts are beneficial in many
applications.
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The
USFilter Gravity Belt Thickener efficiently reduces the volume
on municipal wastewater sludge streams and industrial process
slurries. It uses the principle of liquid separation by gravity
drainage, and enhances that separation by incorporating a
sludge-rolling action.
Its size and production range makes it suitable for nearly every
size plant and/or in operations where manpower is limited. Its
small footprint makes it ideal where available space is tight.
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Dollar Savings from Thickening (Based on a 1 MGD Wastewater
Treatment Plant)
Sludge Production:
Primary Sludge: 1000 lbs/day @ 3.0%
Waste Activated Sludge: 1200 lbs/day @ 0.72%
Total Sludge to be handled:
Without USFilter gravity belt thickener: 2200 lbs/day @ 1.1% =
24,000 gpd
With USFilter gravity belt thickener:
2200 lbs/day @ 6% = 4,400 gpd
Hauling
Cost Savings:
Hauling without USFilter gravity belt thickener:
(1.1% solids = 24,000 gpd)
24,000 x $.02/gal x 365/yr = 175,200
Hauling with a USFilter gravity belt thickener:
(6% solids = 4,400 gpd)
4,400 x $.02/gal x 365/yr = $32,120
Total Savings ($175,200 – $32,120) = $143,080/yr
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