Hydrocarbon Processing - May 2022 - 71

History of the HPI
duction line at the Corunna site in 1976,
followed by licensing the SCLAIRTECH
process worldwide in 1980-the technology
can produce a range of products
from LLDPE to HDPE.124
DuPont Canada's
PE business, including the St. Claire
PE plant, was eventually purchased by
Nova Chemicals in 1994.
In the 1970s/1980s, several other
companies began to produce their own
LLDPE resins. These included Dow
Chemical, Union Carbide and bp Chemicals,
among others. Union Carbide's
LLDPE technology's origins emerged
from research and development on a
low-pressure, gas-phase fluidized bed
process to produce HDPE. This process-known
as the UNIPOL PE process
(now licensed by Univation Technologies)-came
to fruition
in 1968
with the startup of the G-1000 plant in
Seadrift, Texas (U.S.). The UNIPOL
process extended its reach into LLDPE
production in 1977.125
By the late 1980s,
more than 70% of the world's LLDPE
production was produced via gas-phase
polymerization-the basis of the UNIPOL
process.123
Today, several additional
companies license their own LLDPE process,
including Borealis, Chevron Phillips
Chemical, INEOS and LyondellBasell,
among others. LLDPE is used in many
consumer goods such as plastic grocery/
trash bags, shrink wrap, toys/playground
and plastic gardening equipment, tubing,
flooring and many other applications.
Over the past 60 yr, the LLDPE market
has significantly expanded, with forecasts
showing the global LLDPE market will
exceed $65 B by the mid-2020s and increase
to more than $85 B by 2030.126,127
Gore-Tex. In the late 1950s, Bill Gore
left his job at DuPont to pursue detailed
research and analysis on the untapped potentials
of PTFE.128
The polymer PTFE
was discovered by accident in the late
1930s by Roy Plunkett who was working
at DuPont at the time. This discovery
eventually led to the development of
Teflon-the discovery of PTFE and the
subsequent creation of Teflon was detailed
in the History of the HPI segment
published in the February issue of Hydrocarbon
Processing.
In 1969, Bill's son Robert (Bob) conducted
experiments by heating rods of
PTFE and stretching the material. However,
on one such occasion, primarily
out of frustration, he yanked the heated
PTFE rod, causing it to stretch about
800%. After analysis, he noticed that
the resultant material was incredibly
strong, microporous (the structure was
approximately 70% air), and contained
several key benefits, such as low water
adsorption and good weathering properties.128,129
The
expanded PTFE (ePTFE)
was given the name Gore-Tex and sold
commercially in the 1970s as a breathable,
waterproof and windproof fabric
for clothing (e.g., jackets).129
(ePTFE) found use in many applications
over the ensuing decades, including in insulation,
medical implants, high-performance
fabrics, gloves, footwear and even
on astronauts' spacesuits.
The PLC revolutionizes industrial
automation. The invention of the
PLC originated within the automotive
industry. In the late 1960s, Bedford Associates-from
Bedford, Massachusetts
(U.S.)-was awarded a contract from
GM Hydramatic [the automatic transmission
division of General Motors (GM)].
GM wanted to replace its hardwired relay
systems with a better electronic device.130
Hardwired relay systems had several disadvantages:
several relays were needed to
control a single device, improper wiring of
only one relay could cause the machine or
entire system to shut down, systems were
hard to troubleshoot and fix, and needed
changes to the system often required reconfiguring
the entire system.131
In 1968, the founder of Bedford Associates,
Richard (Dick) Morley (known
as the father of the PLC), unveiled the
world's first PLC, the Modicon 084
(FIG. 5)-the technology was named
Modicon (MOdular DIgital CONtroller)
084 since it was the company's
84th project.132
The creation of the PLC
meant that large banks of relays could be
replaced by a single device. It also contained
enough memory to retain loaded
programs in the event of a power outage
and worked well in harsh conditions.131
Bedford Associates soon adopted the
company name Modicon and began to
market PLCs. The company was also responsible
for the invention of the Modbus
in the late 1970s-Modus is a data
communications protocol that enables
electronic devices to communicate with
each other.133
Modicon was acquired by Gould
Electronics in 1977 and then by AEG in
106
Gore-Tex
LITERATURE CITED
96
Noble, P. G., " A short history of LNG shipping,
1959-2009, " Society of Naval Architects
and Marine Engineers, February 10, 2009,
online: https://higherlogicdownload.
s3.amazonaws.com/SNAME/1dcdb863-88814263-af8d-530101f64412/UploadedFiles/
c3352777fcaa4c4daa8f125c0a7c03e9.pdf
97
Sullivan,
F. W., V. Voorhees, A. W. Neeley and R.
V. Shankland, " Synthetic lubricating oils relation
between chemical constitution and physical
properties, " Industrial and Engineering Chemistry
Research, June 1931.
98
AMSOIL, " The history of synthetic oil (and
AMSOIL), " December 26, 2019, online: https://
blog.amsoil.com/the-history-of-synthetic-oil-andamsoil/
99
Bried,
E., H. F. Kidder, C. M. Murphy and W. A.
Zisman, " Synthetic lubricant fluids from branchedchain
diesters physical and chemical properties of
pure diesters, " Industrial and Engineering Chemistry
Research, April 1947.
100
Wikipedia, " United States Naval Research
Laboratory, " online: https://en.wikipedia.org/
wiki/United_States_Naval_Research_Laboratory
101
102
Wikipedia, " Amsoil, " online: https://en.wikipedia.
org/wiki/Amsoil
Mobil, " One great oil. One great story, " online:
ht tps://www.mobi l .com/en/lubricants/
about-us/mobil-1/one-great-oil-one-greatstory#:~:text=More%20than%2040%20years%20
ago,the%20widest%20range%20of%20temperatures
103
Wikipedia,
" Seven Sisters, " online: https://
en.wikipedia.org/wiki/Seven_Sisters_(oil_companies)
104
105
OPEC,
" Brief History, " online: https://www.opec.
org/opec_web/en/about_us/24.htm
Kuwait National Petroleum Co., " Shuaiba refinery, "
online: https://www.knpc.com/en/our-business/
petroleum-refining/shu#:~:text=The%20first%20
National%20Oil%20Refinery,was%20The%20
Company's%20first%20Refinery.
Gulf Petrochemicals and Chemicals Association,
" Key milestones and achievements in the Arabian
Gulf's petrochemical landscape, " online: https://
www.gpca.org.ae/history/
107
108
109
Wikipedia, " Zeolite, " online: https://en.wikipedia.
org/wiki/Zeolite#Catalysis
Wikipedia, " Axel Fredrik Cronstedt, " online: https://
en.wikipedia.org/wiki/Axel_Fredrik_Cronstedt
Milton, R. M., " Molecular sieve science and technology:
A historical perspective, " American Chemical
Society, July 1989, online: https://pubs.acs.org/
doi/pdf/10.1021/bk-1989-0398.ch001
110
Wikipedia, " Charles J. Plank, online: https://
en.wikipedia.org/wiki/Charles_J._Plank
Complete literature cited available online at
www.HydrocarbonProcessing.com
Hydrocarbon Processing | MAY 2022 71
1989. The company eventually became
part of Schneider Electric in 1994 with
the merger of AEG and Groupe Schneider-the
merger took the name Schneider
Electric in 1999.134
The invention of the PLC created a
new era in automation technology. Today,
PLCs are incorporated into refining
and petrochemical plant operations to
help monitor plant equipment, among
other production actions.
https://higherlogicdownload.s3.amazonaws.com/SNAME/1dcdb863-8881-4263-af8d-530101f64412/UploadedFiles/c3352777fcaa4c4daa8f125c0a7c03e9.pdf https://higherlogicdownload.s3.amazonaws.com/SNAME/1dcdb863-8881-4263-af8d-530101f64412/UploadedFiles/c3352777fcaa4c4daa8f125c0a7c03e9.pdf https://higherlogicdownload.s3.amazonaws.com/SNAME/1dcdb863-8881-4263-af8d-530101f64412/UploadedFiles/c3352777fcaa4c4daa8f125c0a7c03e9.pdf https://higherlogicdownload.s3.amazonaws.com/SNAME/1dcdb863-8881-4263-af8d-530101f64412/UploadedFiles/c3352777fcaa4c4daa8f125c0a7c03e9.pdf https://blog.amsoil.com/the-history-of-synthetic-oil-and-amsoil https://blog.amsoil.com/the-history-of-synthetic-oil-and-amsoil https://blog.amsoil.com/the-history-of-synthetic-oil-and-amsoil https://en.wikipedia.org/wiki/United_States_Naval_Research_Laboratory https://en.wikipedia.org/wiki/United_States_Naval_Research_Laboratory https://en.wikipedia.org/wiki/Amsoil https://en.wikipedia.org/wiki/Amsoil https://www.mobil.com/en/lubricants/about-us/mobil-1/one-great-oil-one-greatstory#:~:text=More%20than%2040%20years%20ago,the%20widest%20range%20of%20temperatures https://www.mobil.com/en/lubricants/about-us/mobil-1/one-great-oil-one-greatstory#:~:text=More%20than%2040%20years%20ago,the%20widest%20range%20of%20temperatures https://www.mobil.com/en/lubricants/about-us/mobil-1/one-great-oil-one-greatstory#:~:text=More%20than%2040%20years%20ago,the%20widest%20range%20of%20temperatures https://www.mobil.com/en/lubricants/about-us/mobil-1/one-great-oil-one-greatstory#:~:text=More%20than%2040%20years%20ago,the%20widest%20range%20of%20temperatures https://www.mobil.com/en/lubricants/about-us/mobil-1/one-great-oil-one-greatstory#:~:text=More%20than%2040%20years%20ago,the%20widest%20range%20of%20temperatures https://en.wikipedia.org/wiki/Seven_Sisters_(oil_companies) https://en.wikipedia.org/wiki/Seven_Sisters_(oil_companies) https://en.wikipedia.org/wiki/Seven_Sisters_(oil_companies) https://www.opec.org/opec_web/en/about_us/24.htm https://www.opec.org/opec_web/en/about_us/24.htm https://www.knpc.com/en/our-business/petroleum-refining/shu#:~:text=The%20first%20National%20Oil%20Refinery,was%20The%20Company’s%20first%20Refinery https://www.knpc.com/en/our-business/petroleum-refining/shu#:~:text=The%20first%20National%20Oil%20Refinery,was%20The%20Company’s%20first%20Refinery https://www.knpc.com/en/our-business/petroleum-refining/shu#:~:text=The%20first%20National%20Oil%20Refinery,was%20The%20Company’s%20first%20Refinery https://www.knpc.com/en/our-business/petroleum-refining/shu#:~:text=The%20first%20National%20Oil%20Refinery,was%20The%20Company’s%20first%20Refinery https://www.gpca.org.ae/history/ https://www.gpca.org.ae/history/ https://en.wikipedia.org/wiki/Zeolite https://en.wikipedia.org/wiki/Zeolite https://en.wikipedia.org/wiki/Axel_Fredrik_Cronstedt https://en.wikipedia.org/wiki/Axel_Fredrik_Cronstedt https://pubs.acs.org/doi/pdf/10.1021/bk-1989-0398.ch001 https://pubs.acs.org/doi/pdf/10.1021/bk-1989-0398.ch001 https://en.wikipedia.org/wiki/Charles_J._Plank https://en.wikipedia.org/wiki/Charles_J._Plank http://www.HydrocarbonProcessing.com

Hydrocarbon Processing - May 2022

Table of Contents for the Digital Edition of Hydrocarbon Processing - May 2022

Contents
Hydrocarbon Processing - May 2022 - Cover1
Hydrocarbon Processing - May 2022 - Cover2
Hydrocarbon Processing - May 2022 - Contents
Hydrocarbon Processing - May 2022 - 4
Hydrocarbon Processing - May 2022 - 5
Hydrocarbon Processing - May 2022 - 6
Hydrocarbon Processing - May 2022 - 7
Hydrocarbon Processing - May 2022 - 8
Hydrocarbon Processing - May 2022 - 9
Hydrocarbon Processing - May 2022 - 10
Hydrocarbon Processing - May 2022 - 11
Hydrocarbon Processing - May 2022 - 12
Hydrocarbon Processing - May 2022 - 13
Hydrocarbon Processing - May 2022 - 14
Hydrocarbon Processing - May 2022 - 15
Hydrocarbon Processing - May 2022 - 16
Hydrocarbon Processing - May 2022 - 17
Hydrocarbon Processing - May 2022 - 18
Hydrocarbon Processing - May 2022 - 19
Hydrocarbon Processing - May 2022 - 20
Hydrocarbon Processing - May 2022 - 21
Hydrocarbon Processing - May 2022 - 22
Hydrocarbon Processing - May 2022 - 23
Hydrocarbon Processing - May 2022 - 24
Hydrocarbon Processing - May 2022 - 25
Hydrocarbon Processing - May 2022 - 26
Hydrocarbon Processing - May 2022 - 27
Hydrocarbon Processing - May 2022 - 28
Hydrocarbon Processing - May 2022 - 29
Hydrocarbon Processing - May 2022 - 30
Hydrocarbon Processing - May 2022 - 31
Hydrocarbon Processing - May 2022 - 32
Hydrocarbon Processing - May 2022 - 33
Hydrocarbon Processing - May 2022 - 34
Hydrocarbon Processing - May 2022 - 35
Hydrocarbon Processing - May 2022 - 36
Hydrocarbon Processing - May 2022 - 37
Hydrocarbon Processing - May 2022 - 38
Hydrocarbon Processing - May 2022 - 39
Hydrocarbon Processing - May 2022 - 40
Hydrocarbon Processing - May 2022 - 41
Hydrocarbon Processing - May 2022 - 42
Hydrocarbon Processing - May 2022 - 43
Hydrocarbon Processing - May 2022 - 44
Hydrocarbon Processing - May 2022 - 45
Hydrocarbon Processing - May 2022 - 46
Hydrocarbon Processing - May 2022 - 47
Hydrocarbon Processing - May 2022 - 48
Hydrocarbon Processing - May 2022 - 49
Hydrocarbon Processing - May 2022 - 50
Hydrocarbon Processing - May 2022 - 51
Hydrocarbon Processing - May 2022 - 52
Hydrocarbon Processing - May 2022 - 53
Hydrocarbon Processing - May 2022 - 54
Hydrocarbon Processing - May 2022 - 55
Hydrocarbon Processing - May 2022 - 56
Hydrocarbon Processing - May 2022 - 57
Hydrocarbon Processing - May 2022 - 58
Hydrocarbon Processing - May 2022 - 59
Hydrocarbon Processing - May 2022 - 60
Hydrocarbon Processing - May 2022 - 61
Hydrocarbon Processing - May 2022 - 62
Hydrocarbon Processing - May 2022 - 63
Hydrocarbon Processing - May 2022 - 64
Hydrocarbon Processing - May 2022 - 65
Hydrocarbon Processing - May 2022 - 66
Hydrocarbon Processing - May 2022 - 67
Hydrocarbon Processing - May 2022 - 68
Hydrocarbon Processing - May 2022 - 69
Hydrocarbon Processing - May 2022 - 70
Hydrocarbon Processing - May 2022 - 71
Hydrocarbon Processing - May 2022 - 72
Hydrocarbon Processing - May 2022 - 73
Hydrocarbon Processing - May 2022 - 74
Hydrocarbon Processing - May 2022 - 75
Hydrocarbon Processing - May 2022 - 76
Hydrocarbon Processing - May 2022 - 77
Hydrocarbon Processing - May 2022 - 78
Hydrocarbon Processing - May 2022 - 79
Hydrocarbon Processing - May 2022 - 80
Hydrocarbon Processing - May 2022 - 81
Hydrocarbon Processing - May 2022 - 82
Hydrocarbon Processing - May 2022 - 83
Hydrocarbon Processing - May 2022 - 84
Hydrocarbon Processing - May 2022 - 85
Hydrocarbon Processing - May 2022 - 86
Hydrocarbon Processing - May 2022 - 87
Hydrocarbon Processing - May 2022 - 88
Hydrocarbon Processing - May 2022 - 89
Hydrocarbon Processing - May 2022 - 90
Hydrocarbon Processing - May 2022 - Cover3
Hydrocarbon Processing - May 2022 - Cover4
https://www.nxtbook.com/gulfenergyinfo/gulfpub/HPI-Market-Data-2023-v3
https://www.nxtbook.com/gulfenergyinfo/gulfpub/hpi-market-data-2024-v2
https://www.nxtbook.com/gulfenergyinfo/gulfpub/hpi-market-data-2024
https://www.nxtbook.com/gulfenergyinfo/gulfpub/gas-processes-handbook-2022_v2
https://www.nxtbook.com/gulfenergyinfo/gulfpub/gas-processes-handbook-2022
https://www.nxtbook.com/gulfenergyinfo/gulfpub/hp_202212
https://www.nxtbook.com/gulfenergyinfo/gulfpub/hpi-market-data-2023-v2
https://www.nxtbook.com/gulfenergyinfo/gulfpub/hpi-market-data-2023
https://www.nxtbook.com/gulfenergyinfo/gulfpub/hp_202211
https://www.nxtbook.com/nxtbooks/gulfpub/hp_202210
https://www.nxtbook.com/nxtbooks/gulfpub/hp_202209
https://www.nxtbook.com/nxtbooks/gulfpub/hp_202208
https://www.nxtbook.com/nxtbooks/gulfpub/hp_202207_v2
https://www.nxtbook.com/nxtbooks/gulfpub/hp_202207
https://www.nxtbook.com/nxtbooks/gulfpub/hp_202206_v2
https://www.nxtbook.com/nxtbooks/gulfpub/hp_202206
https://www.nxtbook.com/nxtbooks/gulfpub/hp_202205_v2
https://www.nxtbook.com/nxtbooks/gulfpub/hp_202205
https://www.nxtbook.com/nxtbooks/gulfpub/hp_202204_v2
https://www.nxtbook.com/nxtbooks/gulfpub/hp_202204
https://www.nxtbook.com/nxtbooks/gulfpub/hp_032022
https://www.nxtbook.com/nxtbooks/gulfpub/hp_202203
https://www.nxtbook.com/nxtbooks/gulfpub/hp_202202
https://www.nxtbook.com/nxtbooks/gulfpub/hp_202201
https://www.nxtbook.com/nxtbooks/gulfpub/hp_202112
https://www.nxtbook.com/nxtbooks/gulfpub/hp_202111
https://www.nxtbook.com/nxtbooks/gulfpub/hp_202110
https://www.nxtbook.com/nxtbooks/gulfpub/hpimarket_2022_v2
https://www.nxtbook.com/nxtbooks/gulfpub/hpimarket_2022
https://www.nxtbook.com/nxtbooks/gulfpub/hp_202109
https://www.nxtbook.com/nxtbooks/gulfpub/hp_202108
https://www.nxtbook.com/nxtbooks/gulfpub/petrochemical_processes_handbook_2021_v2
https://www.nxtbook.com/nxtbooks/gulfpub/petrochemical_processes_handbook_2021
https://www.nxtbook.com/nxtbooks/gulfpub/hp_202107
https://www.nxtbook.com/nxtbooks/gulfpub/hp_202106
https://www.nxtbook.com/nxtbooks/gulfpub/hp_202105
https://www.nxtbook.com/nxtbooks/gulfpub/hp_202104
https://www.nxtbook.com/nxtbooks/gulfpub/hp_ebooks
https://www.nxtbook.com/nxtbooks/gulfpub/hp_202103
https://www.nxtbook.com/nxtbooks/gulfpub/hp_202102
https://www.nxtbook.com/nxtbooks/gulfpub/hp_202101
https://www.nxtbook.com/nxtbooks/gulfpub/catalyst_handbook_2020_v2
https://www.nxtbook.com/nxtbooks/gulfpub/catalyst_handbook_2020
https://www.nxtbook.com/nxtbooks/gulfpub/hp_202012
https://www.nxtbook.com/nxtbooks/gulfpub/hp_202011
https://www.nxtbook.com/nxtbooks/gulfpub/hp_202010
https://www.nxtbook.com/nxtbooks/gulfpub/hpimarket_2021
https://www.nxtbook.com/nxtbooks/gulfpub/hp_202009
https://www.nxtbook.com/nxtbooks/gulfpub/hp_202008
https://www.nxtbook.com/nxtbooks/gulfpub/refining_processes_handbook_2020
https://www.nxtbook.com/nxtbooks/gulfpub/refining_processes_handbook_2020_v2
https://www.nxtbook.com/nxtbooks/gulfpub/hp_202007
https://www.nxtbook.com/nxtbooks/gulfpub/hp_202006
https://www.nxtbook.com/nxtbooks/gulfpub/hp_202005
https://www.nxtbook.com/nxtbooks/gulfpub/hp_202004
https://www.nxtbook.com/nxtbooks/gulfpub/hp_202003
https://www.nxtbook.com/nxtbooks/gulfpub/hp_202002
https://www.nxtbook.com/nxtbooks/gulfpub/hp_202001
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201912
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201911
https://www.nxtbook.com/nxtbooks/gulfpub/hpimarket_2020_v2
https://www.nxtbook.com/nxtbooks/gulfpub/hpimarket_2020
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201910
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201909
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201908
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201907
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201906
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201905
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201904
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201903
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201902
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201901
https://www.nxtbook.com/nxtbooks/gulfpub/petrochemical_2018_v2
https://www.nxtbook.com/nxtbooks/gulfpub/petrochemical_2018
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201812
https://www.nxtbook.com/nxtbooks/gulfpub/hpimarket_2019_v2
https://www.nxtbook.com/nxtbooks/gulfpub/hpimarket_2019
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201811
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201810
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201809
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201808
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201807
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201806
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201805
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201804
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201803
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201802
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201801
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201712
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201711
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201710
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201709
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201708
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201707
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201706
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201705
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201704
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201703
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201702
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201701
https://www.nxtbook.com/nxtbooks/gulfpub/hp_2017mediaplanner
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201612
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201611
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201610
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201609
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201608
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201607
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201606
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201605
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201604
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201603
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201602
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201601
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201512
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201511
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201510
https://www.nxtbook.com/nxtbooks/gulfpub/hp_2016mediaplanner
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201509
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201508
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201507
https://www.nxtbook.com/nxtbooks/gulfpub/hp_2015tmsd
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201506
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201505
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201504
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201503
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201502
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201501
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201412
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201411
https://www.nxtbook.com/nxtbooks/gulfpub/hp_2015mediaplanner
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201410
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201409
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201408
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201407
https://www.nxtbook.com/nxtbooks/gulfpub/hp_2014petrochemicalprocesses_v2
https://www.nxtbook.com/nxtbooks/gulfpub/hp_2014petrochemicalprocesses
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201406
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201405
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201404
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201403
https://www.nxtbook.com/nxtbooks/gulfpub/hp_2014calendar
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201402
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201401
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201312
https://www.nxtbook.com/nxtbooks/gulfpub/hp_2014mediaplanner
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201311
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201310
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201309
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201308
https://www.nxtbook.com/nxtbooks/gulfpub/hp_srsguide2013
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201307
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201306
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201305
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201304
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201303
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201302
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201301
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201212
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201211
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201210
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201209
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201208
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201207
https://www.nxtbook.com/nxtbooks/gulfpub/hp_srsguide2012
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201206
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201205
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201204
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201203
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201202
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201201
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201112
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201111
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201110
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201109
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201108
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201107_srsguide
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201107
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201106
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201105
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201104
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201103
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201102
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201101
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201012
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201011
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201010
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201009
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201008
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201007
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201006
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201005
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201004
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201003
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201002
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201001
https://www.nxtbook.com/nxtbooks/gulfpub/hp_200912
https://www.nxtbook.com/nxtbooks/gulfpub/hp_200911
https://www.nxtbook.com/nxtbooks/gulfpub/hp_200910
https://www.nxtbook.com/nxtbooks/gulfpub/hp_200909
https://www.nxtbook.com/nxtbooks/gulfpub/hp_200908
https://www.nxtbook.com/nxtbooks/gulfpub/hp_200907
https://www.nxtbook.com/nxtbooks/gulfpub/hp_200906
https://www.nxtbook.com/nxtbooks/gulfpub/hp_200905
https://www.nxtbook.com/nxtbooks/gulfpub/hp_200904
https://www.nxtbook.com/nxtbooks/gulfpub/hp_200903
https://www.nxtbook.com/nxtbooks/gulfpub/hp_200902
https://www.nxtbook.com/nxtbooks/gulfpub/hp_200901
https://www.nxtbookmedia.com