EXHIBIT 10.4
Delivery Contract
between
Seiler Pollution Control AG (SEPC)
Bahnhofstrasse
CH - 4353 Leibstadt
and
deliverer
SEILER Hochtemperatur - Trennanlagen AG
CH-5316 Leuggern, Switzerland
Tel. +41 56 245 72 45 Fax +41 56 245 73 74
for the supply of a drying and
High-Temperature Separation System
for the Vitrification of Hazardous Wastes
(System SHT)
List of Contents
Part A Commercial
A1 Initial situation
A2 Contractual basis
A3 Price quotation
A4 Prices
A5 Terms and conditions of payment
A6 Duties and taxes
A7 Dates
A8 Validity
Part B Technical Section
B1 Technical basis for the offer
B2 Process specification
B3 Subassembly specification
B4 Design data
B5 Guarantee data
B6 Scope of supplies and services
B7 Limit of supply
B8 Supply exclusions
B9 Maintenance and servicing
B10 Confidentiality
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Part C Charts and Drawings
Part D General Conditions of Delivery
D1 General terms and conditions of business of Seiler HT AG
D2 General conditions of delivery for machines and systems, VSM
D3 General assembly conditions, VSM
D4 General delivery conditions for machines and replacement parts, VSM
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Part A Commercial
A1 Initial situation
A2 Contractual basis
A3 Price quotation
A4 Prices
A5 Terms and conditions of payment
A6 Duties and taxes
A7 Dates
A8 Validity
A Commercial Section
A1 Initial situation
SEPC wishes to dry hazardous waste streams such as paint- and hydroxide
sludges, and to vitrify these wastes in a Seiler high-temperature separation
system at temperatures of approximately 1500 degrees C.
A2 Contractual basis
This offer is based essentially on the principles set out below. These are an
integral part of this offer. They are essentially as follows:
- - Waste: Hazardous Waste containing heavy metals like Hydroxide
-or paintsludges, water-soluble (water content of sludges
<= 50%)
- - Drying plant Nominal output 250 kg/h, dry matter content > 95%
- - Separation plant Nominal output 350 kg/h, dry matter content > 95%
Maximum output 500 kg/h of dry matter content > 95%
A3 Price quotation
Inclusive
Complete plant, delivered free to place of use, installed, including
commissioning and trial operation for four weeks, and with one of our
specialists on-site for a period of one month.
Excluding
Pre-mix plant for the pre-treatment of the sludges.
A4 Prices
process line
Project management, factory assembly and site installation, IBN; PB
Product drying, storage
Fuel supply, gas and oxygen
Product separation
Gas cooling, complete
Waste gas purification, complete (without waste water purification)
Electrical and process line engineering
Total Systemprice SFr. 6.455.750.--
The total price relates to the aforementioned plant configuration, delivered
free to the plant, installed, excluding statutory Value Added Tax, including
commissioning and trial operation for four weeks, with one of our specialists
on-site for a period of one month, without any approval fees of any kind or
costs involved in statutory output and emission measurements performed by the
TUV or Gewerbeaufsichtsamt (Factories Inspectorate).
A5 Terms and conditions of payment
1st rate SFr. 100.000 on awarding the contract at 16.7.1993
SFr. 800.000 at 31.7.1993
2nd rate 10% at 31.8.1993
3rd rate 20% at 31.10.1993
4th rate 20% at 30.10.1993
5th rate 20% when ready for shipment
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6th rate 10% begin of installation
7th rate 10% after successful start up
10% 30 days after start of commissioning
Conditions net, after presentation of invoice, although not later than the
commencement of commercial operation
A6 Duties and taxes
The offer price shall be understood not to include customs clearance charges,
customary duties in this country, or Value Added Tax.
A7 Dates
according agreements
A8 Validity
This offer shall remain valid as long as agreed.
Leuggern, 16.07.1993
Seiler
Hochtemperatur - Trennanlagen AG
Seiler Pollution Control AG
(SEPC)
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Part B Technical Section
B1 Technical basis for the offer
B2 Process specification
B3 Subassembly specification
B4 Design data
B5 Guarantee data
B6 Scope of supplies and services
B7 Limits of supply
B8 Supply exclusions
B9 Maintenance and servicing
B10 Confidentiality
B1 Technical basis for the offer
o The offer is based essentially on the information currently in our possession
provided by the customer.
B2 Process Specification
B2.1 Product drying, storage
Hazardous wastes like Paint and hydroxide sludges are coagulated (mineral
flocculation) by the customer, divested of adhesive, and delivered in barrels
for intermediate storage. Drying takes place on a drum-type drier with an
integral separator system for the dried material.
B2.2 Pre-heating
The dried material is taken from the daily storage silo by means of a cell wheel
and is transferred to the buffer container of the pre-heaterplant. The dried
material, which is heated
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indirectly by means of (gas-heated) hot air, is gasified at about 700 degrees C
under controlled conditions. Volatile fractions are released and are introduced
into the high-temperature converter at the same time as the inert material via a
product burner.
B2.3 High-temperature converter
The gaseous and solid material fractions introduced into the converter (glass
furnace) are subjected to thermal decomposition with a modulating pilot flame
(gas firing) at approx. 1 500-1600 degrees C. Volatile heavy metalcompounds,
such as from Cd and Pb are already vaporized at temperatures of 800 degrees C to
1 050 degrees C. In order to guarantee the desired high degree of oxidation of
the heavy metals, additional technical oxygen can be added with gas/oxygen
burners.
It can be demonstrated that organic substances, such as aromatic and polycyclic
hydrocarbons, together with any dioxins and furanes that may be present, are
completely destroyed at the burner and converter temperatures.
Depending on the intended application for the glass, the purity (proportions of
heavy metals in the glass matrix) can be influenced with the oxygen burners
(oxidation of heavy metals).
Once a particular liquid glass volume is reached inside the converter, the glass
runs out continuously via a specially designed outlet and is granulated by means
of cooled belts or a water bath to form a product like medium abrasives.
B2.4 Heat recovery
The waste gas, of which the temperature is approx. 1 550 degrees C as it leaves
the converter, is cooled to around 600 degrees C in a air/flue gas heat
exchanger. The energy (hot air) released in this way can be used for drying the
sludges.
B2.5 Dioxin trap
In order to prevent the further formation of dioxins, the waste gas leaving the
heat exchanger at a temperature of 600 degrees C is cooled abruptly to approx
300 degrees C in a further quenching stage (water).
B2.6 Separation of dust and metal oxides
The waste gas next flows through a ceramic multiple-tube dust filter. The
separated/condensed and enriched metal oxide dusts and chlorides assume the form
of a powdery/crumb-like substance (specific gravity approx. 0.1) and are filled
into tightly sealing plastic containers and sent for further processing.
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B2.7 Gas purification
By mixing ammonia into the gas flow, the waste gas is conditioned and fed to the
following catalytic nitrogen removal stage.
The waste gas, which leaves the catalyst at a temperature of approx.
280 degrees C, is then divested of HCL and HF at a gas temperature of approx.
73 degrees C in a quenching and washing circuit (first stage) located ahead of
the wet gas cleaning stage, SO2 is washed out in the second stage, and aerosols
in the third step.
The outgoing water from all stages is neutralized in a compact plant and any
solids are brought into a fine filter press for dehydration. Depending on the
concentration the sludges are brought to the dryer for later vitrification.
The exhaust air is finally discharged into the atmosphere via an active carbon
filter (a so-called police filter) at a temperature of 70 degrees C (saturated)
via an exhaust air flue.
B2.8 Service facilities
Liquid petroleum gas or natural gas is used for firing the high-temperature
converter, and technical-grade oxygen (option) is used for the reduction of
heavy metals. The tank facilities and batteries of cylinders are positioned
outside the building for safety reasons.
B3 Subassembly specification
B3.1 Container construction
The entire plant is constructed semi-mobile. The equipment is combined into
subassemblies and built into transport frames. These frames can be moved by
loading them by crane onto low-loader transport vehicles. Once at their
destination, the modular units are positioned as required, connected to the
energy supply services (electricity, gas, water, compressed air), and are then
ready to be started up. The complete plant essentially consists of the following
units:
oDrying station
oPre-silo for dry material (daily silo)
oPre-heater
oHigh-Temperature Converter
oQuenching station, heat exchanger
oFilter plant
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oDenox plant
oWet gas purification, Stage 1
oWet gas purification, Stage 2
oWatertreatment Plant for neutralization, filter press for wet gas washer etc.
oActive carbon filter
oControl (central), Emergency power supply, waste gas fan
B4 Design data
B4.1 Technical data for production plant
Operating period per process line / converter
Operating period, nominal (3-shift running) 7 500 h/year
Travelling time, approx. 3 x 2 500 h
Interim overhaul/inspection 2 x 100 h
Annual overhaul 1 x 760 h
B4.2 Plant output
Per Process line / converter
Hourly Input nominal for a dry matter content of 95% 350 kg
maximum short-duration 700 kg
average 500 kg
average Input nominal 7500 h/year of dry matter (with a 3750 t
per year humidity content of 95%)
average input of nominal mixture of different waste streams 5-6000 t
waste per year not pretreated
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B4.3 Mass flows
See Process Chart
B5 Guarantee data
B5.1 Materials guarantee
We guarantee materials for a period of one year from the start of commissioning
on all commercially available components. The manufacturer's guarantees shall
apply for motors, transmissions, electrical components and fans. The supplier
will replace any defective components. However, the cost of their installation
must be met by the operator.
B5.2 Guarantee exclusion
All wearing parts throughout the entire plant and all materials that are exposed
to high temperatures, including refractory linings in the vitrification chamber
and the gas mixing chamber, are excluded.
B6 Scope of Supplies and services
B6.0 Sludge drying Charging device with mixer
Drier
Cyclone, dust discharge
Dust washer for part of gas flow
B6.1 Material storage Silo for dry material, 10 m3
B6.2 Fuel supply LPG tank (rented tank on-site)
Oxygen cylinder battery (rented cylinders on-site)
Pipework
Safety equipment
B6.3 Pre-heater / Gasifier Buffer container for dry material
Discharge equipment
Pre-heater, auxiliary burner plant
B6.4 High-temperature Converter housing, refractory linings
converter Product burner
Burner plants, support firing
Burner plants, main firing
Burner plant, oxygen
Ventilation and fans
Steel plate belt for glass discharge
Glass cooling equipment
B6.5 Flue gas cooling Air/flue gas heat exchanger
Hot air fan, pipework
Quenching, dioxin trap
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B6.6 Dust separation Hot gas filter, solids discharge
Drum filling equipment for oxides
B6.7 Nitrogen removal Ammonia mixer
Denox plant
B6.8 Exhaust gas Quenching, HCL and HF separation
purification SO2, aerosols
1st. + 2nd. stages Waste water treatment (option)
Sludge dehydration (option)
B6.9 Dioxin removal Active carbon filter
B6.10 Flue gas discharge Gas lines, flue gas fan,
Flue system
B6.11 Electrical System Mimic diagram for separation plant Process
wiring, SPS Siemens Low-voltage switchgear,
Siemens Field wiring Emissions
measurement O2, CO2, CO, NOx
We expressly reserve the right to introduce technical changes to the component
parts of individual subassemblies.
B7 Limits of supply
o Gas Line flange after gas tank
o Drinking water Line flange after fresh water distributor
o Industrial water Line flange after industrial water distributor
o Waste water Discharge from waste gas purification
o Electrical Terminal for high-voltage distribution
o Compressed air Line flange after compressed air distributor
o Process air Induction
o Waste air Flue outlet
o Waste gas Flue outlet
o Wet sludge Hopper, drier
o Glass Discharge plate conveyor / Cooler
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B8 Delivery exclusions
o Buildings and their infrastructure
o Workplace lighting and mains power supply sockets
o Internal technical services, staff areas, laboratory facilities
o Approval and authorization costs
o All necessary certificates for the authorization procedure
o Costs involved in official output measurements
o Connections/charges for power, water and waste water, etc.
o High-voltage transformer station and distribution
o Consumables and energy of all kinds for IBN and PB
o Securing sales of valuable materials and residues
o Customary duties in this country, such as Value Added Tax or other charges
B9 Maintenance and servicing
The supplier reserves all rights and interests in technically indicated,
necessary and recurring overhaul and servicing operations for the proper
maintenance of the high-temperature separation plant.
The areas of drying, gasification, vitrification and gas cooling may only be
inspected and overhauled by the supplier exclusively, expressly and
unconditionally. The necessary replacement parts or components must be obtained
exclusively from the supplier.
B10 Confidentiality
All documents, specifications, process charts and measurements relating to or
contained in this offer, and those provided in the event of the award of the
contract, are expressly subject to confidentiality.
They may be used expressly only in conjunction with projects and plants, and
they must not be shown or made available to third parties, or copied for other
purposes. They may only be published subject to the express written agreement of
the supplier.
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Part C Charts and Drawings
Part C Charts and Drawings
Brochure
Outline process chart
Subassembly drawings
Part D General Conditions of Delivery
Part D General Conditions of Delivery
D1 General terms and conditions of business of Seiler HT AG
D2 General conditions of delivery, VSM (Verein schweizerischer
Maschinenindustrieller - Swiss Mechanical Engineering Association).
D3 General assembly conditions, VSM (Verein schweizerischer
Maschinenindustrieller - Swiss Mechanical Engineering Association).
D4 General delivery conditions for machines and replacement parts, VSM
(Verein schweizerischer Maschinenindustrieller - Swiss Mechanical
Engineering Association).
UNTERSCHRIFTEN
Leuggern, 16.07.1993
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Seiler
Hochtemperatur - Trennanlagen AG
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Seiler Pollution Control AG
(SEPC)
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