Electric Power Generation from Kiln Off-Gases
Waste Heat Recovery based power generation projects (WHR) in cement and lime plants are designed to capture
Entries by pecdev
Sandstone Deagglomeration for Frac Sand
SANDSTONE DEAGGLOMERATION FOR FRAC SAND
Sand particles derived from sandstone are delivered to the crusher hopper as rocks and boulders. Unlike mine crushing where the purpose is to reduce the size of the rocks to go into mills, the goal in frac sand operations is to…
2018
Two of PEC Consulting’s members attended the VDZ Conference in September 2018: Frank Benavides, Principal Consultant, and Mohammed Dimah, Process Consultant…Read More PEC Consulting has been hired to provide Commissioning and operations planning for a lime plant in Peru. PEC Consulting is performing a due diligence study on an operating coke calcining plant. PEC Consulting […]
Silo Roof Failure: Are Your Silo Roofs Failing?
SILO ROOF FAILURE
ARE YOUR SILO ROOFS FAILING?
Maintenance of cement storage silo roofs is challenging because the areas which may need repair are not readily visible and often structural damage is not noticed until a significant failure has occurred, the roof has settled, and the risk of …
NFPA 652 Dust Hazard Analysis (DHA) Study
NFPA 625
DUST HAZARD ANALYSIS (DHA) STUDY
The most recent NFPA publication applicable to cement and lime Plants, NFPA 652 mandates that every industrial facility handling solid fuels needs to complete a Dust Hazard Analysis (DHA) Study by August 2018, after which deadline, plants risk becoming …
July 2017
GEOLOGICAL STUDIES – The expertise of our Geological Consultants is being utilized by one of our clients in Colombia for the research and development of cementitious products to use as raw materials for clinker production. At the same time, our Geologist is assisting with the certification of clay pit resources for their quality and reserves. […]
How to Increase Frac Sand Product Yield
How to Increase Frac Sand Product Yield
There is a direct correlation between wasted product – which sometimes could be as high as 50% — and the process system efficiency at a frac sand manufacturing plant. The solution to minimize waste and increase profits lies in the optimization of plant product yield…
April 2017
MAIN DUST COLLECTOR STUDY — A US cement manufacturing client is looking for alternatives to upgrade its main baghouse in order to meet current NESHAP environmental regulations and improve its maintenance practices. A study is underway to develop the design criteria and specify modifications for the baghouse and provide a CAPEX for the project. BUILDING […]
January 2017
The New Year kicked off with the award of an amalgam of projects for new and existing clients: Inspection of kiln components being fabricated in China for a cement customer in Ecuador. Studies for transfer terminals in North America: An efficiency study to expand the capacity and storage potential of several terminals to handle grains […]
Use Of Alternative Fuels In The Cement Industry
Use Of Alternative Fuels In The Cement Industry
Cement kilns offer very favorable conditions for incinerating waste fuels. High temperatures, long residence times, an oxidizing atmosphere and alkaline environment, ash absorption by clinker, and…
September 2016
We welcomed the third quarter of 2016 with the award of many Studies for new and current clients in the cement industry. Some of the solutions we are providing our clients in the United States are related to issues they have with new environmental regulations, logistics of distribution terminals, fly ash and raw material storages, […]
Optimization of Cement Grinding Operation in Ball Mills
Optimization of Cement Grinding Operation in Ball Mills
Several energy efficient options for cement grinding are available today such as vertical roller mills, roller presses (typically in combination with a ball mill), and clinker pre-grinders with…
July 2016
July 2016 marks the 30th anniversary of PENTA Engineering Corp., of which PEC consulting is a subsidiary. There is much excitement in our office as we prepare to celebrate the many successful years we have been in business. These past years have been memorialized by many in the excellent services that we have provided our […]
Guidelines for Review of General Arrangement Drawings
Guidelines for Review of General Arrangement Drawings
General Arrangement drawings (GAs) should be prepared in sufficient detail to show the location of process equipment, material handling and storage, power distribution, utilities, floor elevations, column lines, maintenance access, stair …
April 2016
PEC Consulting has been hired to do a conceptual study for a Greenfield cement manufacturing facility in South America. A Feasibility Study for the optimization of a cement grinding facility in North America is underway. The study includes a review of the current operation, identification of bottlenecks, and recommendations to increase the capacity of the […]
OPTIMIZING OPERATING COSTS TO IMPROVE PROFITABILITY IN A CEMENT PLANT
Optimizing operating costs to improve profitability in a cement plant
The Cement Industry is under increasing pressure to become more profitable. Globally, there is overcapacity of production. To be competitive, Production Units need to optimize operations to the maximum possible level so as to lower …
February 2016
Len Dolby has been promoted to Vice President of PEC Consulting. He will be in charge of Business Development and operations of the group. Len has held key positions in consulting and mining operations. He holds a degree in Mining Engineering from Pennsylvania State University, he is a Professional Engineer in Virginia, and is a […]
Coal grinding and Firing Systems – HAZOP Analysis
Coal grinding and Firing Systems – HAZOP Analysis
A Process Hazard Analysis (PHA) is a key element of a Process Safety Management (PSM) program. It analyzes potential risks to personnel operating in an industrial environment. A PHA is a thorough detailed systematic approach to finding potential hazards in …
Happy Holidays
Happy Holidays
2015 has been a very successful year of business growth and development for our consulting group. We are thankful to our Clients for the trust bestowed on our services and being receptive to our ideas and recommendations. We are also …
December 2015
2015 has been a very successful year of business growth and development for our consulting group. We are thankful to our Clients for the trust bestowed on our services and being receptive to our ideas and recommendations. We are also appreciative of our valuable staff which through teamwork and dedication has again provided our customers […]
Cement Import Distribution Terminals – Featured Industry – PEC Consulting Group
CEMENT IMPORT DISTRIBUTION TERMINALS
For the implementation of a new Cement Import Terminal, the best practice begins with hiring an experienced consultant to perform a Feasibility Study. As a preliminary step, prior to beginning the feasibility study, a scoping study should be …
Plant Commissioning – Featured Industry – PEC Consulting Group
PLANT COMMISSIONING
When done systematically and in coordination with the plant process, the commissioning process of a plant results in a fully functional and lucrative operation. This article describes elemental pre-commissioning and commissioning activities for achieving the delivery of a quality project and …
Coal grinding systems – Safety considerations
Coal grinding systems – safety considerations
Most rotary kilns use solid fuels as the main heat source to produce cement clinker. A training program should be developed and extensive training for coal mill system operators provided on a regular basis. Safety considerations, such as the prevention of fire or …
September 2015
New Studies assigned to the Consulting Group: Conceptual Study for a cement import facility – USA Conceptual Study for a cement grinding plant – USA Lime Plant Expansion – South America Management of Engineering for a major cement plant expansion – South America Study for selection of calcining equipment for a lime plant – South America Global Cement Magazine will […]
Evaluation of process plant equipment tenders
Evaluation of process plant equipment tenders
Equipment tenders submitted by Original Equipment Manufacturers (OEMs) should be methodically evaluated. Tenders are first evaluated against process and technical mandatory parameters as specified in the Request for Quotation (RFQ). Bidders who do not meet design criteria are …
August 2015
Jorge L. Lerena, V.P., PEC Consulting Group, will attend the XXXII Congreso Técnico FICEM (Federación Internacional del Cemento) in Mexico D.F., August 31 through September 2, 2015. The conference is geared towards facilitating the exchange of ideas and dissemination of knowledge regarding the latest technologies and equipment applicable to the cement industry in Latin America. It is […]
July 2015
G. Gifford, of PENTA Industrial Corp., and M. Dimah, of PEC Consulting – attended the North American Frac Sand Conference in Houston, TX, June 29-30. M. Dimah’s presentation — “Proppants Transloading Terminals” — can now be viewed by clicking on the following link: Presentation. N. Jayaraman’s and F. Benavides’ article on “Process Optimisation” has been published […]
BUILDING CEMENT PLANTS WITH USED EQUIPMENT
Building Cement Plants with Used Equipment
Utilizing used equipment to build a cement plant is not always economically attractive as it may appear at face value. Although the cost of the equipment appears to be favorable, there are many factors which need to be considered in the capital cost analysis (CapEx). In most cases, the equipment …
June 2015
Two of our Consultants – Frank Benavides and Mohammed Dimah – will attend the North American Frac Sand Conference in Houston, TX, June 29-30, at the Houston Convention Center. The two-day conference will cover topical subjects related to the industry, including Mohammed Dimah’s presentation, ” Proppants Transloading Terminals” on the 30th at 11:50 a.m. We […]
May 2015
Commissioning Assignment, Chile Two of our Process & Commissioning Senior Consultants have been assigned to assist CALCHILE in the commissioning of their new lime plant in Chile. Jagrut Upadhyay and Sergio Chaparro left for Chile mid-April to lead the commissioning work at the site. The plant is unique in that it is one of the […]
