Author Archives: Salman Zafar

About Salman Zafar

Salman Zafar is the Founder and Editor-in-Chief of EcoMENA. He is a consultant, ecopreneur and journalist with expertise across in waste management, renewable energy, environment protection and sustainable development. Salman has successfully accomplished a wide range of projects in the areas of biomass energy, biogas, waste-to-energy, recycling and waste management. He has participated in numerous conferences and workshops as chairman, session chair, keynote speaker and panelist. He is proactively engaged in creating mass awareness on renewable energy, waste management and environmental sustainability across the globe Salman Zafar can be reached at salman@ecomena.org

Introduction to Trigeneration

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  Trigeneration refers to the simultaneous generation of electricity and useful heating and cooling from the combustion of a biomass fuel or a solar heat collector. Conventional coal or nuclear-powered power stations convert only about 33% of their input heat to electricity. The remaining 67% emerges from the turbines as low-grade waste heat with no significant local uses so it is usually rejected to the environment. What is Trigeneration In a trigeneration system, the supply of high-temperature heat first drives a gas or steam turbine powered generator and the resulting low-temperature waste heat is then used for water or space heating. Such systems can attain … Continue reading →

دليل المبتدئين للطاقة المتجددة

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إن الطاقة المتجددة متوفرة في كل مكان حولنا، لكن علينا أن ندرك كيف نستخدمها ونتعامل معها في حياتنا اليومية. جميعنا سمعنا عنها وعن الفوائد المتعددة لاستخدامها من الوقود الاحفوري كالفحم والنفط والغاز الطبيعي إلى طاقة الرياح، والشمس والوقود الحيوي والطاقة الكهرومائية وايضاُ خلايا وقود الهيدروجين. لكن، ماهي الطاقة المتجددة؟ ومن أين تأتي؟ حسناً، نحن نستطيع تسخير واستغلال هذه الطاقة من خلال توربينات الرياح والالواح الشمسية في المنزل او العمل، وأيضاً نستطيع الاستفادة من حقيقة أن الشركات مطالبة بتوليد وتوفير جزء من الكهرباء بإستخدام مصادر الطاقة النظيفة. حتى إن كانت بعض الشركات – إن لم يكن معظمها – لا تقدم برامج … Continue reading →

Solar in Colorado: 3 Things to Know

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Coal is one non-renewable energy source that people have long used. But due to industrialization and the increasing population, these sources of energy are decreasing at a fast rate. Additionally, non-renewable energy sources may have a negative impact on the environment. Due to these reasons, there was a need to develop a more sustainable and renewable energy source. Enter solar energy. States such as Colorado have made an effort to harness this non-depleting energy source, which is no surprise as it’s one of the sunniest states in the US. As technology advances, it has become easier for most Colorado residents … Continue reading →

Why You Should Consider Switching to LED Christmas Lights

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The number one decor that creates a festive atmosphere are Christmas lights. And even though no other decorations are included, these lights are going to make you imagine about Christmas. They are usually installed on Christmas trees but there are various techniques on how to use them as indoor decorations. They can be hung above your windows, hallways, doors and can even be installed on your stairways. These will surely fill your space with shimmering lights! Source: https://www.pinterest.ph/pin/647673990141529588/ Furthermore, you can make absolutely fabulous-looking wreaths and lanterns for indoors easier especially when you make use of LED lights. With exceptional … Continue reading →

الإعلان الإسلامي للمناخ يدعو للتخلص من الوقود الأحفوري

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أطلق قادة المسلمين من ٢٠ دولة الاعلان الاسلامي من اجل التغير المناخي لدعوة 1.6 مليار مسلم في جميع أنحاء العالم للنهوض بواجبهم الأخلاقي في التصدي لمسألة تغير المناخ في اطار واجباتهم الدينية .تم تبني هذا الإعلان من قبل ٦٠ مشارك في الندوة الاسلامية المعنية بتغير المناخ المنعقدة بإسطنبول في ال١٧ وال١٨ من شهر أغسطس لعام 2015 ، حيث دعا كافة الأطراف في “مؤتمر اتفاقية الأمم المتحدة الإطارية بشأن تغير المناخ”، الذي سيعقد في باريس في شهر ديسمبر القادم ويحضره زعماء العالم، ان يقوموا بإتخاذ قرارات والتزامات طموحة وملزمة قانونياً للدول المشاركة، لوقف التغير المناخي واستخدام الوقود الاحفوري عن طريق توفير … Continue reading →

10 Eco-Friendly Projects for School Students

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We should take care of our ecology. We kill our nature every day and this tendency must be stopped. Many schools teach little schoolers on how to protect our nature. There are different ecological projects that are initiated to rescue nature. essay pro review has 10 eco-friendly project ideas for school students that will engage them in being “green”. Teachers may also find this information useful to generate more ideas. Firstly, we’d like to pay your attention to the main risk factors that negatively affect the environment. Take a look at the list below borrowed from online custom essay writing … Continue reading →

العوائق والتحديات التي تواجه المؤسسات الصغيرة ومتوسطة الحجم العاملة في القطاعات الخضراء

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مع انطلاق كلمة “البيئة” ككلمة رنانة على مستوى جميع الصناعات والقطاعات، فان اتساع مجال التحول الأخضر في قطاع الأعمال وتطوير مهارات العاملين فيه أصبح ذا أهمية على مستوى العالم، والشرق الاوسط ليس بمنأى عن هذا التطور. إن المؤسسات الصغيرة ومتوسطة الحجم التي تعمل في قطاع التصميم البيئي ، العمارة الخضراء، الطاقة المتجددة وكفاءة استخدام الطاقة، والاستدامة بشكل عام كلها تعمل على توجيه الدفة نحو نحو التحول إلى الاقتصاد الأخضر في شتى القطاعات. إن قطاع المؤسسات الصغيرة والمتوسطة الحجم العاملة في المجال البيئي في الشرق الأوسط ينمو بشكل مطرد وإن كان بسرعة أقل من المتوقع. الإطار التنظيمي ان من أكبر العقبات … Continue reading →

MBBR Technology in Wastewater Treatment

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Moving bed biofilm reactor (MBBR) is a biological technology used for wastewater treatment process suitable for municipal and industrial application. Another common name is moving bed film reactor. It was invented in the 1980s. MBBR offer an economical solution for wastewater treatment. STP MBBR technology is the use of a moving bed biofilm reactor in sewage treatment plants. MBBR wastewater treatment system enables efficient results of the disposal using low energy. The technology is used to separate organic substances, nitrification and denitrification. MBBR design is made of an activated sludge aeration system. The sludge is collected on the plastic carriers … Continue reading →

8 Steps To Writing The Perfect College Essay As A Student

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How do you write an essay that will help you get into the college of your dreams? This can be a daunting task especially without an essay writer, and one that you’ll have to complete many times over as you go through school, from college admissions essays to scholarship applications to grad school applications. You want your essay to stand out from the crowd, and make sure that the reader knows that you’re just the type of student they want in their program. Here are eight steps that will help you write the perfect college essay as a student! 1. … Continue reading →

8 Tips to Help You Write Better Essays in College

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Writing in college can seem impossible at times, especially when you have no idea where to start and you’re afraid you won’t be able to finish your essays on time or without doing research that’s plagiarized from the Internet. Don’t worry, though—you can develop the skills you need to write better essays and get the grades you want in the process! Here are eight tips I use to write my essay till I got better in college 1. Start early Most of us have heard at some point that it’s good to start early on a writing assignment, especially an … Continue reading →

How To Write A Great College Essay: 7 Step-By-Step Guide

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Whether you’re applying to an Ivy League school or just trying to get into a state university, you need to write an essay that will impress the admission officers enough to accept you in their college or university. Of course, you may prefer to buy essay papers to write a paper effectively and explore more information on the necessary subject with writing experts. If you want to increase your chances of getting accepted, follow these simple 7 steps in writing your college essay without papers writing help – they will help you make your application stand out and get accepted! … Continue reading →

A Comprehensive Guide for Operating and Maintaining Butterfly Valves

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A butterfly valve is a flowing regulated device which includes a rotational disk to operate the flowing liquid in a process. On a perpendicular location of the butterfly valve, there is a metal-based disc which operates the closing technique of the fluid flowing. The operation of closing off of this valve is quite same as that of a ball valve. The advantages of using it over a floating ball valve are: It is light weight; hence it don’t require much support It is less costly as compared to other similar valves with different designs. Parts Of A Butterfly Valve A … Continue reading →