Challenge to t
DAIICHI ENGINEERING CO.,LTD.
Air / water pollution control, waste solid treatment and abatement, energy saving and valuable matter recovery..
in our environmental surrounding, we have many problems that remain to be solved.
Daiichi Engineering offers the solution against these problems by using our core technologies such as incineration, absorption, distillation and evaporation, and provides most effective and efficient process.
Technologies offered by Daiichi Engineering
the Next
Waste Liquid Incineration Process/Submerged Combustion System
This incineration process can treat waste liquid containing high COD organics and alkaline metal compounds, perfectly and stably.
Typical incinerator condition
• Temperature over 900 degree Celsius
• Mean residence time
Features
• Perfect decomposition, no regeneration Of dioxin.
• NO clogging trouble.
• Simultaneous treatment of waste liquid and waste gas.
Examples of Application over 2 sec
gas Flue gas
• Waste liquid/gas from manufacturing process Of chemicals, agrochemicals, organic pigment e.g. acrylonitrile, acid ester, caprolactam, CVL
• Waste liquid from industrial waste disposal facility
• Waste liquid from desulfurization process such as STRETFORD, TAKAHAX and FUMAX. liquid Incinerator Ventu ri scrubber
Organic Chloride Compound Incineration Process
This process can decompose completely organic chloride compounds without air pollution and regenerating dioxin. HCI generated can be recovered as specified concentration.
Features Examples of Application
• Recovery HCI,: N35% aqueous solution or 100% HCI gas. • Waste gas/liquid of organic chloride compounds and
• Heat recovery with waste heat boiler. organic silicate compounds.
• Pickling waste acid.
Flow of Incineration of
Chlorosilane-Based Waste
Liquid and Gas
Waste Gas Cooling
boiler
Bag filter
COOnng column
Absorber Scrubber
HF scrubber
Comparison of various processes
Process Spray Roasting
(Ruthner process) Fluidized roasting (Lurgi process) Wet Process
(Daiichi Engineering process)
Heating method Burner o Fluidized bed
(internal combustion) Steam (Waste heat may be used)
175 •c
Operating temperatures
Energy required 1,800 c
2,700 kJ/L 4,100 kJ/L 1,500 WC
Flue gas
NOX
HCI
C12
Dust 100 ppm
10 mg/Nm3
3 mg/Nrn3
Large 20 ppm
10 mg/Nm3
3 mg/Nm3
Large O ppm
0 mg/Nm3
0 mg/Nm3
None
Effluent Scrubber effluent Scrubber effluent Cake washing effluent
Turndown ratio 70-110 % 70-110 % 10-110 %
Startup and shutdown Complicated Complicated Simple
Applicable laws and regulations Handling of Hazardous Materials Handling of Hazardous Materials Safety of Boilers and Pressure Vessels
Bulk density
Primary particle size 400-600 kg/m3
um 3,500 kg/m3 kg/m3
1-2 um
Agglomerate particle size Specific surface area approx. 50 approx. 3 m2/g 1500 u m (mean)
1 m2/g approx. 40 m2/g
Chlorine content < 0.5%
Water content < 0.5% approx. 10%
Storage/Transport Big-bag container/Silo trucks Container/ Open truck Container/pelletization
Pelletization Not cost-effective Feasible
Iron oxide before drying
Recovered iron oxide
Scene from the laboratory SEM image of iron oxide (200x magnification) SEM image of iron oxide (2000x magnification)
Particle size distribution of iron oxide Examples of iron oxide applications
Sintering —• back into raw materials
Particle size (U m)
NH, - H2S0.system L: 10 m3/m2h
'Better Mass Transfer Performance
0.1
6000 8000 5*10•
'Superior Liquid Distribution Characteristic
MIRAX's distribution performance
11 (Cell)
MIRAX's distribution performance
'High Buckling Strength
MIRAX has a welded structure and its buckling strength exceeds 5 ton/m2. It allows using at high liquid loading conditions even with high packed heights. The thickness of the packing material can be adjusted to suit the conditions of use.
Product Data
Model FKP319 FKP327 TEP130
Application Mass/heat transfer Structured packing Demister
Specific surface area [rn2/rnYl 150 125
Corrugation height [ mm ) 19 27 18
Maximum length [ mm 2400 2400 2400
Maximum width [ mm 600 600 700
Height [ mm 300 • , 125/250
Material/Allowable temperature limit PP/80 •C(standard material) pp_HT/100 cc
PVC/60 •C PVDF/120 •C pp175
t Standard height for a single packing unit is 300 mm. A 600-mm layer can be made to order.
material properties in the manufacturing
process. MIRAX is available at prices that reflect the cost of the raw materials.
An example of a distributor
Company Profile
Compan y na me:
A d d r e s s
Date of Establishment:
C a p i t a l
P r e s i d e n t .
Bank of account:
B u s i n e s s
Daiichi Engineering Co., Ltd.
Ochanomizu Sora City Bldg.
101-0062 JAPAN
90 million yen (stockholder: Daiichi Jitsugyo Co., Ltd. 100%) Muneo Yamano
Mizuho Bank, Ltd. (Uchisaiwaicho Corporate Banking Division)
Mitsui Sumitomo Bank (Kojimachi Branch)
Our main business is process design and production of environmental protection plants for
the chemical, energy, and steel industries.
We also provide solutions to various industries, including the food, pharmaceutical and chemical industries.
(I) Waste liquid incineration process
(2) Organic chloride compound incineration process
(3) Solid waste incineration process
(4) Waste liquid evaporation process
(5) Solvent recovery process
(6) Acid regeneration process
(7) Waste water stripping and recovery process
(8) Hydrofluoric acid and nitric acid removal process
(9) Scrubbers for various applications
We design packed towers and sell low-pressure-drop, high-buckling-strength, structured packing (MIRAX).
(I) Flexible engineering solutions with a wide selection of plastic materials (PP, PVC, PVDF)
(2) Engineering for flue gas treatment, acid recovery, and effluent treatment
(3) Proposals to enhance the capacity of existing towers by packing replacement
DAIICHI ENGINEERING CO.,LTD.
4-6, 101-0062 JAPAN
TEL:+81-3-6370-8500 FAX: +81-3-6370-8501
E-mail: dekinf0@djkeng.com
URL: http://www.djkeng.com/