In 2006, SCIMEE Group invented ReCoMag, a magnetic force-based water treatment technology that allows isolation of nonferromagnetic solids from wastewater with its rare-earth magnet disc (ReMagDisc) separators, opening an avenue to develop magnetic force-based universal water treatment system.
The principle of ReCoMag is simple. The technology takes advantage of conventional coagulation and flocculation reaction, preconditions wastewater with ferromagnetic microparticles (aka MagCarrier), allows co-precipitation of MagCarrier and solids into flocs and consequently renders nonferromagnetic solids in the flocs tractable to magnetic force. The flocs can then be readily isolated by a powerful magnetic device, ReMagDisc, without the requirement of their gravitational settling.
In practice, the ReCoMag system has four components that perform distinct functions and also coordinate with each other.
1. An automatic chemical injection manifold dispenses coagulant, flocculant and MagCarrier.
2. A coagulation reactor allows co-precipitation of solids and MagCarrier to occur adequately.
3. A ReMagDisc separator continuously isolates MagCarrier-containing flocs without the requirement of their gravitational settling.
4. A magnetic drum recovers MagCarrier from sludge and recycles MagCarrier back into the coagulation reactor.
SCIMEE's researchers and engineers have created various versions of the ReCoMag system that have been optimized for municipalities and different industrials. Each ReCoMag version has rapidly gained momentum in its target market since launched.
The success of the ReCoMag system can be attributed to its key advantages compared with the conventional wastewater treatment approaches. These advantages include high processing capacity, high treatment efficiency, low capital and operation cost and small footprint. In addition, it is energy-saving, because ReMagDisc does not need electricity to elicit magnetic force. Last, more than 95% of MagCarrier can be recycled for reuse and the whole treatment process takes only 3-5 mins.
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ReCoMag, a magnetic force-based universal water and wastewater treatment system
1. is
a
magne)c
force-‐based
universal
wastewater
treatment
system
&
was
invented
by
SCIMEE
group
ReCoMagReMagDisc
+
Coagula0on
+
MagCarrier
H4p://www.facebook.com/recomag
H4p://www.scimee.com
2. The
Principal
of
ReCoMag:
Ferromagnetic
Microparticle Carrier Technology (aka MagCarrier), Renders
Nonferromagnetic Solids Tractable to Magnets
(1) Condition wastewater
by adding the MagCarrier (a)
(2) Co-precipitate solids and
MagCarrier into flocs by
adding coagulant (b) and
flocculant (c) in a 3-min process,
consequently rendering the solids
susceptible to magnetic force
(3) A magnet (d)
continuously removes
floating flocs
N S
Suspended
solids
Dispersed
solids
(1)
(2)
(3)
MagCarrier (a)
Coagulant (b)
Magnet (d)Flocculant (c)
3. ReMagDisc
Separator
A
rare-‐earth
permanent
magnet-‐based
solid/liquid
disc
separator
was
also
invented
by
SCIMEE
group
&
was
originally
designed
to
treat
wastewater
in
iron
and
steel
industry
4. ReMagDisc
Separator
MagCarrier
Technology
ReCoMag
Systems
ReMagDisc Separators together with
the MagCarrier Technology
empower diverse SCIMEE’s
ReCoMag Water Treatment
Systems.
ReCoMag
Water
&
Wastewater
Treatment
Systems
5. A
Repertoire
of
ReCoMag
Systems
SCIMEE offers a variety of rare-earth permanent
magnet-based wastewater treatment systems
that have been tailored for
Oil and Gas Industry (ReCoMagOG),
Resource Mining Industry (ReCoMagMW),
Inland Water Bodies (ReCoMagHiSC),
Municipal Sewage Treatment Facilities (ReCoMagHiSC)
Emergent Water Treatment (ReCoMagMobile)
and Research Institutions (ReCoMagLab).
6.
7. Key
Advantages
of
ReCoMag
Systems
Large Processing Capacity: 1,500 cubic meters per hour per unit
High Quality Effluent: TSS < 10 mg/L, TP < 0.5 mg/L
Fast Processing Speed: The whole process takes 3 min
Small Footprint: One unit with a capacity of 24,000 tons per day
occupies only 80 square feet
Low Capital Cost: 30 % cheaper than the conventional equipment
Low Operation Cost: Reduces chemical consumption 30%, saves energy
& recovers 95% of MagCarrier for reuse
Backwash: No backwash
8.
9. A
Low-‐cost,
Small
Footprint,
Fully
Automa)c
and
Underground
ReCoMagMW
System
Reclaims
Influent
for
Reuse
in
Mining
Opera)on
Water
Treatment
System:
ReCoMagMW
system
Processing
Capacity:
12,000
cubic
meters
per
day
Project
Type:
Build-‐Transfer
(BT)
Client:
Changzhi
Coal
Mine
Project
Loca)on:
Shanxi
Province,
China
10. Lakes/Rivers
Water
Volume
(m3)
ReCoMag
Systems
Capacity
(m3/d)
White
Horse
Lake,
Chengdu
1,230,000
ReCoMagHiSC
50,000
Forest
Park
Lake,
Beijing
800,000
ReCoMagHiSC
25,000
Community
Park
Lake,
Beijing
30,000
ReCoMagHiSC
19,000
Space
City
Lake,
Beijing
20,000
ReCoMagHiSC
10,000
City
River,
Beijing
ReCoMagmobile
10,000
LaoFeng
River,
Beijing
ReCoMagmobile
30,000
Examples
of
the
ReCoMag
Systems
in
Comba)ng
Polluted
Inland
Water
Bodies
11. ReCoMagHiSC
(5000m3/d)
UV
Disinfection
Reuse as
landscape
water
Cyclic Active
Sludge System
(CASS)
Fluidized Bed
BioReactor
ReCoMagHISC
(5000 m3/d)
UV
Disinfection
Discharge
ReCoMagHISC
(10000 m3/d)
UV
Disinfection
UASB +
CASS
Shallow
Medium
Filter
Discharge
Ter)ary
Treatment
with
ReCoMagHISC
to
Remove
Nutrients
and
Reduce
Turbidity
Secondary
Treatment
Ter)ary
Treatment
(SCIMEE-‐style)
Effluent
quality
(mg/L)
TSS:
<
10
TP:
0.05-‐0.5
Oil:
<
5
12. Client: Beixiao River Sewage
Treatment Plant, Beijing, China
Enhanced
Primary
Treatment
or
the
Main
Treatment
with
the
ReCoMagHISC
System
during
Emergency
at
a
Municipal
Sewage
Treatment
Plant
Effluent
quality:
TSS
<
20mg/L,
TP
<
1
mg/L,
COD
removal
>50%
ReCoMagHISC
30,000 m3/d
UV
Disinfection
Pre-treatment
Sand
Filter
Discharge
into
Beixiao
River