Author: Danielle Petterson

Unlock economic growth with trenchless technology

The 36th International No-Dig 2018 Conference and Exhibition Opens in Cape Town on 8 October and the Southern Africa Society for Trenchless Technology (SASTT) is inviting all interested parties to attend. The conference will be opened by the Executive Deputy Mayor of Cape Town, Alderman Ian Neilson, followed by a ground-breaking paper by Neil van Rooyen on the topic of “Unlocking economic growth in South Africa through the use of trenchless technology”. The industry’s role players and decision makers will unpack the various elements for expansion in the trenchless industry, detailing how this enables the creation of hundreds of new SMME contractors, immediate direct employment opportunities for 100 000 job entrants and cost savings worth billions of Rands. At the same time, trenchless offers cost saving solutions to repair South Africa’s leaking water and sewer pipes – a win-win situation for all. “Please come and join us for this vibrant discussion and help us improve the health and well-being of... Read More

Intelligent chemistry

Odour control has moved from an afterthought to a primary design consideration for most collection and treatment facilities. By Annejan Visser, process engineer at QFS   Intensive urbanisation, incremental population growth, and seasonal temperature rises within metropolitan areas have increased the likelihood of exposure to odour generating facilities. This, together with the additional need for corrosion control of waste pipelines and the health and safety of municipal personnel, has made odour control requirements more prevalent in recent times. Quality Filtration Systems (QFS) identified the local need for improved odour control measures at wastewater treatment plants and other odour generating sources, which led to the company concluding a technology partnership with Integrity Municipal Systems (IMS). Based in Poway, California, IMS is an odour-specific engineering company with over 20 years’ experience devoted to the design, manufacture and supply of innovative, preassembled odour solutions for the water and wastewater industry. Cost-effective vapour phase technologies available include: biofiltration – a biological technology with... Read More

Replicating the sun’s fusion energy

A spectacular vision is gradually becoming reality in Cadarache in the south of France. Modelled on the sun, the International Thermonuclear Experimental Reactor (ITER) fusion system uses nuclear fusion to generate energy in order to secure humanity’s supply of electricity. One of the biggest challenges is the high temperature inside the reactor. Technology by Sauer Compressors is a key factor in cooling the reactor: the manufacturer has supplied the world’s largest system for helium recovery. The ITER fusion reactor is an international consortium project involving the European Union, the United States, Russia, China, Japan, South Korea and India. The reactor is scheduled to be put into operation in 2020, with the aim of harnessing nuclear fusion – the sun’s source of energy – under terrestrial conditions as well. The hydrogen isotopes deuterium and tritium melt and form a plasma when exposed to immense heat. This process releases large quantities of energy. Researchers hope this will provide an infinite source... Read More

New ways commercial solar systems are changing the market

In the midst of fast-paced developing economies, energy markets are forced to make necessary adjustments in order to thrive. More sustainable and efficient technologies are being produced, opening the door to new alternative ways of producing energy. By Jabir Mohamed, Outreach Manager, NJ Solar Power Solar energy, along with wind and hydropower, stands out as one of the most promising and powerful alternatives. Sun energy promises to drive both industry and society away from the old-fashioned and highly toxic sources of energy, on which we are still heavily dependent. Here we are going to show the different ways in which solar energy is paving the way into a new world, with friendlier ways of producing energy that meet the population’s most basic necessities – the start of a technological revolution that generates energy with green resources. Costs are going down Due to technological advances, more businesses and residences are able to afford solar technology. This has made available the fabrication... Read More

Reuse with ultrafiltration

The growing issues of freshwater scarcity in many parts of the world are encouraging more wastewater reuse ideas, which all depend on effective filtration. The process of reusing water involves screening it to remove suspended solids, microbiological particles, inorganic salts and microorganics before disinfecting the by-product. Ultrafiltration (UF) has emerged as a more cost-effective water pretreatment solution to remove microbiological particles, as well as finer suspended solids prior to passing through reverse osmosis (RO) membranes, in the process preventing fouling. The UF process is also known for its ability to effectively remove viruses, bacteria and protozoa that could cause an immediate health risk. For more than two decades, Cape Town-based company Quality Filtration Systems (QFS) has trusted Memcor CPII UF technologies for pretreatment in RO, recently installing three wastewater reuse plants in South Africa – two in the Western Cape and one in KwaZulu-Natal. The Beaufort West facility in the Western Cape is a 2.3 MLD direct reclamation plant... Read More

How IoT is changing the wastewater industry

Water is perhaps one of the most precious natural resources. With rapid urbanisation, the resource is becoming scarce quickly. By Kelly Potter* For organisations and systems that operate in the water industry, there has been the dependency on Supervisory Control and Data Acquisition (SCADA) systems to monitor some parts of the water distributions systems, yet the practical limitation of its installation points has restricted its use. As stated in IoT and Hospitality, “The number of connected devices will grow by two billion objects in 2006 to a projected 200 billion by 2020.” With the growing number of connected devices, the water industry is taking advantage of IoT sensors to monitor water levels, chemical leaks, and even regulate water flows. IoT in water treatment uses the concept of smart sensors installed at various points in the water system. These sensors collect data and send it back to the monitoring systems. This data could include, water quality, temperature changes, pressure changes, water... Read More

The flagship event for road infrastructure

Africa poses unique challenges for the provision and preservation of roads and road transport. To address some of these challenges, the South African Road Federation (SARF) in association with the International Road Federation (IRF) and the World Roads Association (PIARC), is hosting the Regional Conference for Africa in October. The conference, which will be held under the theme Roads to Social and Economic Growth, will be held at the Durban International Convention Centre from 9 to 11 October 2018. “This conference has become the flagship event for road infrastructure in Southern Africa and in 2018 it will be further enhanced by the participation of the IRF and PIARC,” says Saied Solomon, SARF president and chairman of the conference committee. “Africa poses unique challenges for the provision and preservation of roads and road transport to serve an extensive range of needs in terms of economic development and social well-being. Demands range from providing national mobility, primarily for economic reasons, through... Read More

Building social justice and communities

The Independent Development Trust (IDT) is making a major difference through the implementation of strategic projects, which will help shape current and future societies that are integrated, inclusive and equipped with the skills to compete in the local and international arena. The rule of law is the foundation on which all democratic societies are built and, in this area, South Africa is recognised globally as one of the most progressive nations. For this reason, providing community access to legal centres is a priority. In this respect, the IDT has been rolling out a number of new magistrates’ courts that excel in terms of architectural design and provide a lasting statement that underscores government’s commitment to social justice. As of September 2018, two key projects are now ready to perform their roles, namely the Booysens Magistrates’ Court and the Plettenberg Magistrates’ Court, following completion of the planning, design and construction works on behalf of the Department of Justice and Correctional... Read More

Ramaphosa on Chinese investment in Africa

As a signature event of this year’s Forum on China-Africa Cooperation, the Conference of Chinese and African Entrepreneurs opened doors to over 2 000 business representatives from both sides. Their discussions focused on three major areas: Industrial cooperation, trade partnership and infrastructure construction. Source:... Read More

Rational design essential to prevent building fires

The recent spate of high-profile building fires has highlighted the need for rational design of performance-based fire-safety systems. This comes after three firefighters died attempting to extinguish the blaze at the Gauteng Health Department building in the Johannesburg CBD. The day prior to this, a devastating fire ripped through the Hilton Court apartments in Eastleigh, and the Heartfelt Arena in Thaba Tshwane in Pretoria was damaged extensively after a fire broke out. Why rational design? “Rational design takes into account the behaviour of a building during a fire, meaning the structure must be designed accordingly, thereby minimising any potentially devastating impact,” explains Michael van Niekerk, CEO of ASP Fire. A rational design is the performance-based design of fire safety and prevention mechanisms and strategies in a building in order to provide the same or better fire safety levels as prescribed in the National Building Regulations. All buildings in South Africa need to comply with the requirements of the National... Read More

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