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Quimica is the Annual Technical colloquium organized by the Department of Chemical Engineering of BIT

31/10/2026

𝐓𝐇𝐄𝐍 𝐕𝐒 𝐍𝐎𝐖: 𝐄𝐋𝐄𝐂𝐓𝐑𝐈𝐂𝐀𝐋 𝐒𝐈𝐆𝐍𝐀𝐋 𝐀𝐍𝐀𝐋𝐘𝐒𝐈𝐒

Before digital scopes came along engineers used analog meters and moving needles to watch electrical signals. It was a way to look at things and only showed a simple picture of what was going on in a circuit.

Then: Signal tracking meant watching a tiny mechanical needle swing across a paper scale using copper coils and magnets. These tools were delicate, easy to damage and took up valuable desk space. They could only show slow, steady changes. Fast electrical surges, high-frequency spikes, and hidden glitches disappeared before anyone could see them.

Now: Signal analysis is a fast, digital process. Modern plants and labs use storage oscilloscopes, which act like fast computer cameras. Oscilloscopes capture signals convert them into precise data and project clear waveforms on digital screens. They see how oscilloscopes freeze split‑second events, measure voltages and store records automatically.

The Shift: Complex electronics, compact circuit boards and high-speed devices have forced industries to ditch fragile analog needles for powerful, handheld digital scopes that pinpoint tiny electrical faults in seconds.

Quimica’s next process evolution will be unveiled next Saturday—stay tuned.

𝑹𝒆𝒈𝒂𝒓𝒅𝒔,
𝑻𝒆𝒂𝒎 𝑸𝑼𝑰𝑴𝑰𝑪𝑨.

31/10/2026

“वसुधैव कुटुम्बकम्।”
𝐓𝐫𝐮𝐞 𝐮𝐧𝐢𝐭𝐲 𝐛𝐞𝐠𝐢𝐧𝐬 𝐰𝐡𝐞𝐧 𝐰𝐞 𝐞𝐦𝐛𝐫𝐚𝐜𝐞 𝐭𝐡𝐞 𝐰𝐨𝐫𝐥𝐝 𝐚𝐬 𝐨𝐧𝐞 𝐟𝐚𝐦𝐢𝐥𝐲.

Every year on 31st October, National Unity Day is celebrated to honour the birth anniversary of Sardar Vallabhbhai Patel, fondly remembered as the "Iron Man of India". His remarkable contribution to India's freedom struggle and his determination to unite the country earned him a lasting place in the nation's history.

Rashtriya Ekta Diwas reminds us that unity is not merely about standing together but also about respecting differences, fostering harmony and sharing responsibility for our nation's future. Beyond language, culture and religion, we share a common identity as Indians and true national strength emerges when individual differences contribute to a shared purpose.

On this occasion, the Chemical Engineering Society pays tribute to Sardar Vallabhbhai Patel and his vision of a united India. Let us carry forward his legacy by embracing diversity, strengthening mutual respect, and working together towards a stronger and more harmonious nation.

𝑹𝒆𝒈𝒂𝒓𝒅𝒔,
𝑻𝒆𝒂𝒎 𝑸𝑼𝑰𝑴𝑰𝑪𝑨.

26/10/2026

𝐁𝐞𝐡𝐢𝐧𝐝 𝐭𝐡𝐞 𝐁𝐫𝐞𝐚𝐤𝐭𝐡𝐫𝐨𝐮𝐠𝐡: 𝐓𝐡𝐫𝐞𝐞-𝐖𝐚𝐲 𝐂𝐚𝐭𝐚𝐥𝐲𝐭𝐢𝐜 𝐂𝐨𝐧𝐯𝐞𝐫𝐭𝐞𝐫𝐬 — 𝐂𝐥𝐞𝐚𝐧𝐢𝐧𝐠 𝐀𝐮𝐭𝐨𝐦𝐨𝐭𝐢𝐯𝐞 𝐄𝐱𝐡𝐚𝐮𝐬𝐭

1970s: The Smog Crisis

With the explosion of automotive transport, cities were choked by thick photochemical smog. Vehicles were emitting huge volumes of unburnt hydrocarbons, toxic carbon monoxide, and nitrogen oxides, with no effective way to neutralize them.

The Turning Point – Simultaneous Oxidation and Reduction

The real challenge for chemical engineers was running both oxidation and reduction reactions at the exact same moment within a fast-moving, high-temperature exhaust line.

The Breakthrough – Three Pollutants, One Converter

Engineers created the Three-Way Catalytic Converter using a ceramic honeycomb structure lined with catalytic metals (Pt, Pd, and Rh). Paired with an oxygen sensor, it balanced the reaction chemistry.

The Impact – Cleaner Air for Global Cities

The three-way catalytic converter revolutionized environmental engineering. By removing over 90% of toxic vehicle emissions under suitable operating conditions, it helped reduce harmful air pollution and set the benchmark for modern vehicular exhaust systems.

Stay tuned with QUIMICA as we uncover the ideas that quietly transformed the world.

𝑹𝒆𝒈𝒂𝒓𝒅𝒔,
𝑻𝒆𝒂𝒎 𝑸𝑼𝑰𝑴𝑰𝑪𝑨.

24/10/2026

𝐓𝐇𝐄𝐍 𝐕𝐒 𝐍𝐎𝐖: 𝐇𝐄𝐀𝐑𝐈𝐍𝐆 𝐀𝐈𝐃𝐒

Before, people relied on heavy metal ear trumpets just to catch basic sounds. They had to hold bulky funnels to their ears for a simple conversation. Today, modern cochlear implants and digital hearing devices are changing that routine, using quick sound‑sending technology.

Then: Ear trumpets could gather nearby sounds. People had to hold them steady and strain to listen. Users dealt with muffled audio and awkward, heavy gear.

Now: Tiny electronic processors and internal sensors capture waves instantly. Tiny electronic processors and internal sensors send signals directly to the nerve without relying on damaged ear parts.

The shift: Switching to smart audio technology makes hearing clearer, easier and far more natural. This shows how smart audio technology, with engineering fixes, can improve our daily lives.

Quimica's next process evolution will be unveiled next Saturday—stay tuned.

𝑹𝒆𝒈𝒂𝒓𝒅𝒔,
𝑻𝒆𝒂𝒎 𝑸𝑼𝑰𝑴𝑰𝑪𝑨.

20/10/2026

“परित्राणाय साधूनां विनाशाय च दुष्कृताम्।
धर्मसंस्थापनार्थाय सम्भवामि युगे युगे॥”

Vijayadashami, also known as Dussehra, is a festival that celebrates the victory of good over evil. It marks Lord Rama’s victory over Ravana and reminds us of the importance of truth, courage and goodness.

The festival also teaches us to overcome the negativity within ourselves. The burning of Ravana’s effigy represents leaving behind anger, ego and other negative qualities. It reminds us to choose the right path, stand for what is good and face challenges with courage and faith.

On this auspicious occasion, the Chemical Engineering Society wishes everyone a very Happy Vijayadashami. May this festival bring positivity, happiness and strength to everyone.

𝑹𝒆𝒈𝒂𝒓𝒅𝒔,
𝑻𝒆𝒂𝒎 𝑸𝑼𝑰𝑴𝑰𝑪𝑨.

19/10/2026

𝐁𝐞𝐡𝐢𝐧𝐝 𝐭𝐡𝐞 𝐁𝐫𝐞𝐚𝐤𝐭𝐡𝐫𝐨𝐮𝐠𝐡: 𝐁𝐢𝐨𝐠𝐚𝐬 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐲 — 𝐓𝐮𝐫𝐧𝐢𝐧𝐠 𝐎𝐫𝐠𝐚𝐧𝐢𝐜 𝐖𝐚𝐬𝐭𝐞 𝐢𝐧𝐭𝐨 𝐄𝐧𝐞𝐫𝐠𝐲

1859 : From Waste to Energy

As waste management and energy demands grew, scientists explored ways to convert organic matter into useful fuel. In 1859, an early digestion plant was built at a leprosy colony in Bombay, India.

The Turning Point – Understanding Anaerobic Digestion

During the 1930s, researchers identified anaerobic bacteria and the conditions required for methane production and carbon dioxide, advancing the scientific understanding of converting biological waste into a valuable energy source.

The Breakthrough – Turning Organic Waste into Biogas

Biogas technology uses airtight digesters where microorganisms break down organic matter without oxygen. The resulting gas mainly contains methane and carbon dioxide, creating a renewable fuel for everyday use.

The Impact – Cleaner Energy and Waste Management

Today, biogas technology converts agricultural waste, animal manure and sewage into energy. It also reduces waste accumulation and produces nutrient rich digestate for agriculture, supporting a more sustainable future.

Stay tuned with QUIMICA as we uncover the ideas that quietly transformed the world.

𝑹𝒆𝒈𝒂𝒓𝒅𝒔,
𝑻𝒆𝒂𝒎 𝑸𝑼𝑰𝑴𝑰𝑪𝑨.

19/10/2026

सिद्धगन्धर्वयक्षाद्यैरसुरैरमरैरपि ।
सेव्यमाना सदा भूयात् सिद्धिदा सिद्धिदायिनी ॥

The ninth day of Navaratri, also known as Maha Navami, is dedicated to Maa Siddhidatri. She is the goddess of wisdom, perfection and success. The word 'siddhi' means spiritual power or attainment and 'datri' means 'giver'. Maa Siddhidatri represents the ninth form of the Maa Durga, showering her devotees with knowledge, clarity and inner strength.

On this day, people offer kheer, coconut, sesame seeds and fresh flowers as bhog to seek her divine blessings. Many perform Kanya Pujan, worshiping young girls as manifestations of the goddess and offering them food and gifts as a sign of respect to Maa Durga herself.

The Chemical Engineering Society warmly wishes you and your family a blessed Maha Navami and a joyful Navaratri. May Maa Siddhidatri bless you with peace, good health and success.

𝑹𝒆𝒈𝒂𝒓𝒅𝒔,
𝑻𝒆𝒂𝒎 𝑸𝑼𝑰𝑴𝑰𝑪𝑨.

18/10/2026

श्वेते वृषे समारूढा श्वेताम्बरधरा शुचिः।
महागौरी शुभं दद्यान्महादेवप्रमोददा॥

Maha Ashtami marks the celebration of Maa Mahagauri, the resplendent manifestation of divine purity, grace, and boundless energy. Clad in spotless white and mounted upon a bull, her aura illuminates the cosmos, washing away deep-seated doubts, fears and burdens.

Beyond calmness, Maa Mahagauri the embodiment of resilience that comes from perseverance. Maa Mahagauri’s fierce penance shows that true change starts inside us when we act with discipline, purpose and a steadfast commitment to growth.

On this auspicious day, The Chemical Engineering Society extends energetic festive wishes to all, hoping her divine light drives innovation, resilience and success in every endeavor.

𝑹𝒆𝒈𝒂𝒓𝒅𝒔,
𝑻𝒆𝒂𝒎 𝑸𝑼𝑰𝑴𝑰𝑪𝑨.

17/10/2026

𝐓𝐇𝐄𝐍 𝐕𝐒 𝐍𝐎𝐖: 𝐃𝐄𝐍𝐓𝐀𝐋 𝐌𝐀𝐓𝐄𝐑𝐈𝐀𝐋𝐒

Earlier, the dental fillings used amalgam and gold. They were strong but looked different from the natural teeth. Today, tooth coloured materials offer a more natural look.

Then: Old style fillings were commonly used for the repairing of the cavities. They were durable and functional but had less attractive apperance and often required traditional tooth preparation.

Now: Tooth coloured composite materials are applied in layers, shaped carefully and also hardened using light-curing technology. Improved adhesion allows the better attachment to the tooth while preserving its natural structure.

The shift: Dental materials evolved from conventional fillings to the modern composites, making the restorations more natural-looking and comfortable.

Quimica's next process evolution will be revealed next Saturday - stay tuned.

𝑹𝒆𝒈𝒂𝒓𝒅𝒔,
𝑻𝒆𝒂𝒎 𝑸𝑼𝑰𝑴𝑰𝑪𝑨.

17/10/2026

एकवेणी जपाकर्णपूरा नग्ना खरास्थिता ।
लम्बोष्ठी कर्णिकाकर्णी तैलाभ्यक्तशरीरिणी ॥

The seventh day of the Navaratri is of the Maa Kalaratri. She is another very powerful form of the Maa Durga who represents courage, strength and protection. Her blessed presence shows us that the darkness can never win the light of faith and dedication. She inspires us to face every challenge with a brave heart and strong will.

Maa Kalaratri teaches us to rise above fear, negativity and self-doubt. Her powerful form reminds us that the true strength comes from inside and that even the difficult times can lead us towards hope, positivity and a brighter path.

On this auspicious day, The Chemical Engineering Society wishes everyone a blessed Navaratri. May Maa Kalaratri bless us with courage, strength and prosperity, guiding us towards a life filled with positivity and success.

𝑹𝒆𝒈𝒂𝒓𝒅𝒔,
𝑻𝒆𝒂𝒎 𝑸𝑼𝑰𝑴𝑰𝑪𝑨.

Address

BIT Sindri
Dhanbad
828123

Website

https://quimicabits.blogspot.com/

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