Wednesday, 30 October 2013
Cleaner Production: Addressing Future Horizon of B...
MAK's Dream: Cleaner Production: Addressing Future Horizon of B...: Cleaner Production: An Overview Cleaner Production (CP) : The term Cleaner Production was defined by UNEP in 1990 as: “The cont...
MAK's Dream: Cleaner Production: Addressing Future Horizon of B...
MAK's Dream: Cleaner Production: Addressing Future Horizon of B...: Cleaner Production: An Overview Cleaner Production (CP) : The term Cleaner Production was defined by UNEP in 1990 as: “The cont...
Monday, 28 October 2013
Cleaner Production: Addressing Future Horizon of Business Practices & Profession
Cleaner
Production: An Overview
Cleaner Production (CP) :
The term Cleaner Production was defined by UNEP in 1990 as:“The continuous
application of an integrated environmental strategy to processes, products and
services to increase efficiency and reduce risks to humans and the environment”.
Cleaner Production is the Manufacturing Process in which Waste Minimization and Waste Prevention Practices are
continuously applied. These practices include
(1)
Conservation
of Raw Materials and Energy,
(2) Elimination of Toxic Inputs, and
(3) Reduction in Toxic Outputs.
Cleaner Production (CP) is a strategy to
minimize waste through the:
Ø Prevention
of waste through good housekeeping, improved process management, new or
modified production process / equipment / technologies, material substitution /
reuse / recovery and changing products or producing useful by-products
Ø Systematic approach
to identify and implement options for improvement
Ø Integration in a company’s processes and
products
Ø Continuous
improvement by minimizing waste as an ongoing activity
CP Methodologies:
A 6-step methodology includes: Getting started; Analyzing process steps; Generating
CP opportunities; Selecting CP
solutions; Implementation of CP
solutions; Maintaining CP
In order to ensure Cleaner Production, a
broad knowledge are require to following
terms ;
Manufacturing Process: A process
involving raw materials, components, or assemblies, usually on a large scale
with different operations divided among different workers.
Raw Materials: Basic substance
in its natural, modified, or semi-processed state, used as an input to a
production process for subsequent modification or transformation into a
finished good.
Energy: Measure of the
ability of a body or system to do work or produce a change, expressed usually
in joules or kilowatt hours (kWh). The two basic types of energy are
1.
Potential: energy associated with the
nature, position, or state (such as chemical energy, electrical energy, nuclear
energy).
2.
Kinetic: energy associated with motion (such
as a moving car or a spinning wheel).
Manufacturing
Components:
Uniquely
identifiable input, part, piece, assembly or sub-assembly, system or subsystem,
that
1.
Is required to complete or finish an
activity, item, or job,
2.
Performs a distinctive and necessary
function in the operation of a system, or
3.
Is intended to be included as a part of
a finished, packaged, and labeled item.
Wastes: Generally wastes
are,
1.
Resources consumed by inefficient or
non-essential activities.
2.
Unwanted material left over from a
production process, or output which has no marketable value.
3.
Process or material that does not (from
the viewpoint of the customer) add value to a good or service.
4.
Material discharged to, deposited in, or
emitted to an environment in such amount or manner that causes a harmful
change.
In CP, There are literally hundreds
words for different types of waste:
• allowance
• BOD
• broke
• contaminated
solids
|
• core loss
• customer retu
• damage
• drainings
• dust
|
• effluent
• evaporation
• furnace loss
• greenhouse loss
• hidden losses
|
• leakage
•non-conforming material
• overfill
• packaging
|
• process loss
• rework
• second quality
• stock loss
• washings
and etc.
|
Toxic: Carcinogenic,
poisonous, or otherwise directly harmful to life in any form.. Technically, a
substance is toxic if its
1.
Medial lethal dose (Lethal Dose 50 or
LD50) is more than 50 milligrams (but not more than 500 milligrams) per
kilogram of body weight when administered orally to albino rats weighing between
200 to 300 grams each,
2.
LD50 is more than 200 milligrams (but
not more than 1000 milligrams or 1 gram) per kilogram of body weight when
administered by continuous contact for 24 hours (or less if death occurs within
24 hours) with the bare skin of albino rabbits weighing between 2 to 3
kilograms each,
3.
Median lethal concentration (Lethal
Concentration 50 or LC50) in air is more than 200 parts per million (but not
more than 2000 parts per million) by volume of gas or vapor (or more than 2
milligrams per liter but not more than 20 milligrams per liter of dust, fume,
or mist) when administered by continuous inhalation for more than 1 hour (or
less if death occurs within 1 hour) to albino rats weighing between 200 to 300
grams each.
Cleaner Production (CP) : Concepts and
Practice
Team
for CP success: A team comprises Managers, engineers
and finance people, product development,
plant operations need to develop who play an important role in disseminating information on good environmental practice.
Cleaner Production
practices:
1. Good Housekeeping: take
appropriate managerial and operational
actions to prevent:
- leaks
- spills
- to enforce existing operational
instructions
2. Input Substitution: substitute
input materials
- by less toxic
- or by renewable materials
- or by adjunct materials which have a
longer service life-time in production
3. Better Process Control modify:
- operational procedures
-
equipment instructions and process record keeping in order to run the processes
more efficiently and at lower waste and
emission generation rates
4. Equipment Modification modify the existing production equipment and utilities in order:
- run the processes at higher efficiency
- lower waste and emission generation
rates
5. Technology Change
replace of:
- the technology
- processing sequence
-
synthesis pathway in order to minimize waste and emission generation during production
6. On-site
Recovery/Reuse:
-
reuse of the wasted materials in the same process for another useful
application within the company
7. Product Modification
modify the product characteristics in order:
- to minimize the environmental impacts
of the product during or after its use (disposal)
- to minimize the environmental impacts
of its production
Tuesday, 22 October 2013
Roadmap to Zero Discharge Hazardous Chemicals (ZDHC)-An Overview
WHAT IS THE ZDHC PROGRAM?
COMMITMENT: To the goal of Zero Discharge of Hazardous Chemicals by year 2020
JOINT ROAD MAP: Drafted the Joint Road map, published on 15th Nov 2011
WHY:
- ZDHC is a very ambitious and challenging goal.
- A plan that makes change for the Apparel and Footwear industry
- The program is owned and led by the Signatory Members
COMMITMENT: To the goal of Zero Discharge of Hazardous Chemicals by year 2020
JOINT ROAD MAP: Drafted the Joint Road map, published on 15th Nov 2011
WHY:
- Chemicals are used in apparel and footwear production.
- Some chemicals are hazardous and can be harmful for the environment, for reproduction and for aquatic organisms.
- This is why we have been working hard since years in regulating chemical thresholds, which in many cases is more stringent than required by legal regulations or industry standards.
- However, residuals and contamination can still exist.
- That is why we have jointly made a commitment to lead our industry towards zero discharge of hazardous chemicals (ZDHC) by 2020.
- Ultimately, chemical management across our supply chain must be improved and integrated.
- Joint Road-map Published November 2011
- Understand how to achieve the goal for the industry
- Work collaboratively with the industry and stakeholders towards the goal
- Achieve the goal by 2020
Subscribe to:
Posts (Atom)