Taiheiyo Cement by Numbers — Data Section

GlossaryA

AASHTO M240

A standard for blended cement specified by
the American Association of State Highway
and Transportation Officials.

Agitator truck

A truck that transports ready-mixed concrete
in a rotating cylindrical container whichagitates the concrete during transportation.
It is also sometimes called a cement truck orconcrete mixer truck.

A special cement that cures by absorbing
CO2. CO2 emissions are reduced by 60%
compared to ordinary Portland cement.

Carbon pricing

Concrete slump

Cathode material

Bag filter

Equipment that uses cloth to filter dust thatis contained in an air stream. When applied
to a cement kiln, the amount of dust in theexhaust gas can be reduced to extremely lowlevels.

Blast furnace slag

A by-product of the iron and steel making
process to remove impurities from steel
products, and sometimes referred to simply
as slag.

Bulk materials

A generic term for materials such as fly ash
and crushed blast furnace slag that are soldin powder form as-is, without being packed
in bags.

CC2SP Kiln

A clinker firing furnace capable of directly
capturing a high concentration of CO2 byseparating the combustion gas system fromthe oxygen-fired calciner. It inherits thefeatures of the NSP kiln.

CARBOCATCH

A CO2 mineralization technology thatuses carbonation. CO2 can be efficiently
mineralized in concrete by mixing cement
slurry that has absorbed CO2 with water.

CO2-cured

Career Day

Autoclaved lightweight concrete

B

Equipment that rapidly cools hightemperature clinker that has been fired ina cement kiln, using air supplied from acooling fan.
The process of absorbing CO2 whilst
hardening (curing). CO2-cured cement
absorbs CO2 during hardening.

ASTM are American industrial standards, andC595 is a standard for blended cement.
Concrete which contains many air bubbles
that is made from silica, cement, quicklime,
and aluminum, and cured under hightemperature and pressure conditions.

Clinker cooler

A policy approach that seeks to change thebehavior of emitters by putting a price on
CO2 emissions. Carbon taxes and emissions
trading schemes are typical examples.
An activity in which companies gather at aschool to explain their companies to students
and share information about the educationand skills needed for work and careeradvancement.

ASTM C595

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CARBOFIX cement

Material used for the positive electrode of abattery.

CCS

Carbon Capture and Storage - A series ofsystems in which CO2 is captured fromthe exhaust gases of industrial processes
such as power and cement plants, and ispermanently stored in depleted oil fields andsubmarine formations.

CCU

Carbon Capture and Utilization - A seriesof systems in which CO2 captured from theexhaust gases of industrial processes such as
power and cement plants, and is reused inindustrial processes or for plant cultivation.

CCUS technology

A generic term for a series of technologies
that captures CO2 for utilization or permanentstorage.

Cement based soil stabilizer

A cement-based ground improvement
material that is used to provide long-term,
stable strength enhancement to a wide
range of soil types.

Cement calcination

Synonymous with clinker calcination.

An index that indicates the fluidity of fresh
ready-mixed concrete, where the higher thenumber, the higher the fluidity. One of thecontrol items during concrete production.

DDistribution terminal

A material for mixing into soil that enables
the safer treatment of construction soil byinhibiting the leaching of heavy metals
that are specified in the Soil Contamination
Countermeasures Act.

IInnovandi

A worldwide research network operated by
the GCCA. It conducts research and studies
on materials such as sustainable concrete.

KKiln

A combustion furnace used for clinker firing.
Usually a cylindrical rotary furnace with adiameter of 5-6 m and a length of 60-100 m
is used.

FKiln brickFly ashAsh derived from coal which is generated
from a coal-fired thermal power plant and iscollected from the exhaust gas airstream by
an electrostatic precipitator.

Minute, lightweight ceramic spheres which
provide weight reduction and thermal
insulation/shielding properties for use incoating materials for home appliances,electronic components, resin products etc.

GGCCA

Clinker calcination

Glass cullet

Glass products that have been crushed forthe purpose of recycling. In addition to
being used as a raw material for glass, it isalso used as material for roadbeds and roadpaving.

A clinker firing kiln which boasts excellent
thermal efficiency and is equipped with apreheater consisting of four to five stages ofcyclones and a combustion furnace called acalciner.

OOSHMSA framework for reducing potential
dangers of occupational accidents at
workplaces and promoting comfortable
work sites by autonomously practicing
continuous, uninterrupted health and safety
management.

P

Semiconductors that control motors
and lighting or convert power, and arecharacterized by the high voltages andcurrents they handle.

Low-temperature embrittlement

Functional hollow particles

NSP kiln

Kiln operation

Fresh concrete

Concrete that has not yet cured (hardened),
which includes ready-mixed concrete.

A type of blended cement that is not includedin the product specifications for blendedcement, and is predicted to be made frommultiple types of diverse blended materials.

Portland cement

Fly ash blended cement

A blended cement that uses fly ash as a
blending material.

New type of blended cement

Refractory bricks that are laid inside a kiln
used for clinker firing in order to protect thesteel outer casing, as the temperature inside
the kiln can reach 1,450°C.
The series of operations in which the kiln isoperated and the cement material is fired.

An intermediate, nodular cement productproduced when the raw materials of cement
such as limestone and clay are fired in a kiln.
A process in which the raw materials ofcement such as limestone and clay areheated at 1450°C to obtain clinker.

Heavy metal immobilizer

An intermediate cement distribution center
that connects cement plants and users. It isalso called service station or SS in Japan.

The Global Cement and Concrete Association
is an industry association of approximately
40 cement manufacturing companies
worldwide, covering about 40% of global
production capacity.

ClinkerHL

Technology that improves the shreddabilityof waste material that is difficult to process
due to plastic and metal being entwined,
such as automobile shredder residue, andseparates the constituents.

MMethanation

The synthesis of methane from CO2 andhydrogen. This technology is attracting
attention as it is carbon neutral through theuse of green hydrogen.

N

Nanolitia

Lithium-ion battery cathode material thatfeatures high thermal stability and does notuse cobalt.

Nature positive

Being aimed toward halting the lossof biodiversity and moving towards
rehabilitation.

A generic term for commonly used cement,and primarily refers to ordinary cement.

Power semiconductors

Premix products

Commercial products that contain cement,sand, and other materials in a predeterminedratio and can be mixed with water to makematerials such as mortar.

R

Return roller return powder cleanup
work
The lower rollers of a conveyor belt arecleaned periodically because the material
which adheres to a conveyor belt tends toaccumulate there like a snowball.

Rotary kiln

A rotating cylindrical firing furnace for clinker
firing. It is sometimes simply called a kiln.

SShake Out drill

An earthquake response drill in which allparticipants simultaneously take actions fortheir own safety, such as hiding under a desk,
which provides an opportunity to confirm theeveryday disaster prevention measures.

Slag

Blast furnace slag.

SludgeA mixture of dirt and liquid. In particular,
concrete sludge is generated during theproduction and laying of ready-mixedconcrete.

SP Kiln

A clinker firing kiln with a preheater
consisting of four to five stages of cyclones.
Thermal efficiency is improved by dry
blending the raw materials.

TTotal basin risk score

An assessment indicator of water risk; theWWF's Water Risk Filter and the WRI's
Aqueduct are standardly used.

UUltra-pure silicon carbide

A compound of silicon and carbon withextremely high purity such as 3N (99.9%or higher). It is used as a raw material for
semiconductors that handle high electricpower.

V

Volume reduction technology

A generic term for technologies that reducethe volume of an object. For example,
incineration of solid municipal waste reduces
the load on landfills.

W

Wet long kiln

A clinker firing kiln in which the rawmaterials are prepared in a wet consistency
and directly fed into the kiln. As the water
is removed through evaporation, thethermal efficiency is low and not suitable forincreased production.

SBTScience Based Target for CO2 emissions
reduction. CO2 emission reduction targets
based on scientific evidence and consistent
with the Paris Agreement. Primarily, emission
reductions of at least 4.2% per year arerequired.

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